Senior Security Engineer - Detection and Response KlaviyoSenior Security Engineer - Detection and ResponseDenver, CO$141,600–$212,400 / yearIn addition to base salary, our total compensation package may include participation in the company’s annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility. As a Senior Security Engineer, you will have the opportunity to leverage your security and engineering skills to provide thought leadership, solve complex security challenges and ultimately improve Klaviyo’s overall security posture.
System Development Engineer, ADC - RAPP (Route 53 and Perimeter Protection) Amazon Data Services, Inc.System Development Engineer, ADC - RAPP (Route 53 and Perimeter Protection)Denver, COThe AWS RAPP (Route 53 and Perimeter Protection) ADC team is seeking highly motivated engineers who are focused on operational excellence, troubleshooting complex system operations, have a good understanding of Linux, networking, and general knowledge of cloud services. On a typical day, a RAPP System Development Engineer manages and monitors systems in air-gapped regions, and builds software based solutions to improve how we manage and monitor our systems.
NewAzure DevOps Engineer JobotAzure DevOps EngineerDenver, CO$100,000–$130,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our proprietary software platform helps multi-location businesses centralize and manage their storage and fulfillment assets nationwide — replacing fragmented, manual processes with a single, real-time platform that saves our customers time and money.
Systems Development Engineer II, AWS Commerce Platform-ADC Amazon Development Center U.S., Inc.Systems Development Engineer II, AWS Commerce Platform-ADCDenver, COOn a “typical” day engineers might deep dive to root cause a customer issue, investigate why a metric is trending the wrong way, consult with the top engineers at Amazon, or discuss radical new approaches to automate the remediation of operational issues. A successful Systems Development Engineer is focused on building services and tooling that enhance our operational posture and thinks about the impact of their designs on the scalability, availability, and operational readiness of what they create.
NewSecurity Systems Technician / Programmer JobotSecurity Systems Technician / ProgrammerGreenwood Village, CO$35–$50 / hourInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Overview: We’re looking for a hands-on Security Systems Technician / Programmer to support the design, installation, and programming of integrated security solutions across commercial and mission-critical facilities.
NewDirector, Google Cloud Security, Solution Architect KPMGDirector, Google Cloud Security, Solution ArchitectDenver, COInnovate and evangelize next-generation security operations solutions by leveraging Google Cloud's advanced capabilities, including AI and machine learning within the Google SecOps platform; critically assess client security technology and processes, providing expert justification for migrating to and optimizing with Google Cloud native security solutions. Collaborate closely with KPMG and Google Cloud sales teams to develop and present compelling technical solutions, product demonstrations, and architectural designs focused on Google Cloud's security portfolio (e.g., Google SecOps SIEM and SOAR, Google Unified Security, Security Command Center).
New.Net - Azure Software Development Engineer IV Epitec, Inc.Net - Azure Software Development Engineer IVGreenwood Village, CO$60–$78 / hourAssists with performance tuning Ensures security is a priority and understands the various areas where security vulnerabilities arise Ensures application resiliency, and disaster recovery Documentation and Knowledge Sharing: Creates detailed documentation for the application. - Strong and current familiarity with Azure platforms and services, including Azure App Services, Azure API Management, Key Vault, Azure Monitor, Azure Application Insights, Azure SQL, etc.
NewManager, Cloud Engineer - Terraform KPMGManager, Cloud Engineer - TerraformDenver, COQualifications: Minimum five years of recent experience in IT infrastructure technology management and architecture including IaaS/PaaS/DevOps cloud transformation programs and infrastructure automation, prior system/storage; admin/engineering experience and consulting experience; four years of cloud strategy, migration, and transformation leadership including cloud services (IaaS/PaaS) implementation & migration, including Azure or AWS. Additional desirable experience in infrastructure automation and instrumentation (Unix Admin, Scripting / Programming Capabilities, SDLC Process Knowledge), Unified Communications, Collaboration, Database/application server architecture, network, information security, GenAI, RAG.
NewSenior Associate, Cloud Engineer - Terraform KPMGSenior Associate, Cloud Engineer - TerraformDenver, COQualifications: Minimum three years of recent experience in IT infrastructure technology management and architecture including IaaS/PaaS/DevOps cloud transformation programs and infrastructure automation, prior system/storage; admin/engineering experience and consulting experience; four years of cloud strategy, migration, and transformation leadership including cloud services (IaaS/PaaS) implementation & migration, including Azure or AWS. Additional desirable experience in infrastructure automation and instrumentation (Unix Admin, Scripting / Programming Capabilities, SDLC Process Knowledge), Unified Communications, Collaboration, Database/application server architecture, network, information security, GenAI, RAG.
Principal SDET, Cybersecurity Test Engineer JouléPrincipal SDET, Cybersecurity Test EngineerDenver, CO$144,000–$180,000 / yearTechnical Leader, this role is responsible for developing and driving the cybersecurity testing strategy across the Software Quality Engineering organization while enabling the broader organization to consistently implement and execute a unified cybersecurity testing approach. A core focus of this role is embedding cybersecurity as a continuous, front-loaded component of the software development lifecycle to enable early identification and prevention of vulnerabilities and potential security risks, while maintaining compliance with medical device regulatory requirements.
NewCyber Risk Defense Consultant V - Splunk & Cribl Engineer Kaiser PermanenteCyber Risk Defense Consultant V - Splunk & Cribl EngineerGreenwood Village, CO$153,500Bachelors degree in Business Administration, Computer Science, Social Science, Mathematics, or related field and Minimum eight (8) years experience in IT or a related field, including Minimum two (2) years in information security or network engineering. As the position requires significant individual contributions, the successful candidate will present with qualifications commensurate with the expert-level position, demonstrate knowledge of Splunk & Cribl administration, data integration/onboarding via Cribl Stream, and application support for Splunk Enterprise.
NewTransmission Line Engineer LeidosTransmission Line EngineerDenver, CO$59,150–$106,925If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . February 27, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
NewLead Transmission Line Engineer LeidosLead Transmission Line EngineerDenver, CORemote$92,300–$166,850Additionally, the candidate will direct a team of engineers that regularly perform engineering analyses, PLS-CADD modeling, structure loading calculations, design structure framing and hardware assemblies, draft plans and specifications, and prepare bill of materials and procurement documents across project planning, engineering, environmental, permitting, and construction management phases. This is a senior leadership role with primary responsibilities in client relations, staff management, proposal development, scope creation/change, project execution, and new business capture for the teams’ full book of work.
Senior Civil/Structural Engineer LeidosSenior Civil/Structural EngineerDenver, CO$92,300–$166,850Clients requiring subject matter expertise consulting could include private equity, infrastructure and hedge funds, investment and commercial banks, private developers, legal and financial advisors, original equipment manufacturers, DOE, and EIA, among others. Our services include engineering, planning, project management, construction management, and commissioning for electric power substations and transmission and distribution lines; protection and controls design; and electrification programs.
Civil/Structural Engineer LeidosCivil/Structural EngineerDenver, CORemote$73,450–$132,775Clients requiring subject matter expertise consulting could include private equity, infrastructure and hedge funds, investment and commercial banks, private developers, legal and financial advisors, original equipment manufacturers, DOE, and EIA, among others. Our services include engineering, planning, project management, construction management, and commissioning for electric power substations and transmission and distribution lines; protection and controls design; and electrification programs.
NewSenior Data Engineer Xcel EnergySenior Data EngineerDenver, COAs a leading combination electricity and natural gas energy company, Xcel Energy offers a comprehensive portfolio of energy-related products and services to 3.4 million electricity and 1.9 million natural gas customers across eight Western and Midwestern states. The role requires strong technical judgment, comfort working in ambiguity, and the ability to translate loosely defined needs into usable tools and data products for planners and engineers.
NewSenior Data Applications Engineer Xcel EnergySenior Data Applications EngineerDenver, COAs a leading combination electricity and natural gas energy company, Xcel Energy offers a comprehensive portfolio of energy-related products and services to 3.4 million electricity and 1.9 million natural gas customers across eight Western and Midwestern states. This position works closely with Product, Data Science, Enterprise IT, and external consultants to turn planning workflows, model outputs, and complex datasets into usable tools for planners and engineers.
NewSenior GIS IT Engineer Xcel EnergySenior GIS IT EngineerDenver, COAs a leading combination electricity and natural gas energy company, Xcel Energy offers a comprehensive portfolio of energy-related products and services to 3.4 million electricity and 1.9 million natural gas customers across eight Western and Midwestern states. This role designs, deploys, administers, and optimizes GIS solutions that support electric and gas operations - including asset management, network modeling, outage response, engineering, and field operations.
NewManager, AI Engineer KPMGManager, AI EngineerDenver, COManage AI projects including architecture design, model development, integration, and testing, and ensure projects follow best practices in MLOps, security, compliance, and scalability to support enterprise-grade adoption; partner directly with clients to translate business objectives into technical solutions, aligning with enterprise strategy and measurable outcomes. Track record of delivering AI/ML solutions at enterprise scale, including integrations with core business systems with demonstrated ability to lead technical teams, manage deliverables, and build trusted client relationships; hands-on expertise with at least two major cloud AI platforms (Azure AI/ML, AWS Bedrock/SageMaker, or Google Cloud Vertex AI).
NewSenior Associate, SailPoint Identity Governance Engineer KPMGSenior Associate, SailPoint Identity Governance EngineerDenver, COSolid understanding of core Identity and Access Management principles, including identity lifecycle management, access requests, access certification, and role engineering; understanding of IAM and governance concepts, security controls, and regulatory requirements related to access governance (for example: SOX, NIST, ISO 27001); familiarity with cloud environments (AWS, Azure, or GCP). If you're looking for a firm with a strong team connection where you can be your whole self, have an impact, advance your skills, deepen your experiences, and have the flexibility and access to constantly find new areas of inspiration and expand your capabilities, then consider a career in Advisory.
NewDirector, AI Engineer KPMGDirector, AI EngineerDenver, CODeep understanding of scaling AI-driven solutions, ethical AI, and MLOps practices for maintaining models; ability to bring industry consulting insights with a balance of technical and business acumen to deliver strategic, value-driven AI solutions; In-depth knowledge of AI orchestration and best practices. Proficient in architecting and implementing AI-powered workflow solutions using Microsoft, AWS, or Google Cloud services (For example: Foundry, Bedrock, Vertex AI), with capabilities in defining blueprints and technical requirements for scalable, automated systems with expertise in agentic AI and automation.
Field Site Senior ISR Engineer / Analyst - Colorado Johns Hopkins Applied Physics Laboratory (APL)Field Site Senior ISR Engineer / Analyst - ColoradoAurora, CO$100,000–$245,000Our engineers and analysts apply multi-disciplinary domain knowledge in areas such as sensor and data fusion, signal and image processing, operations research, applied physics, software fielding, and artificial intelligence to build systems that automatically or autonomously orchestrate sensors, process data into information, and make intelligent inferences and predictions about complex threats and environments. Your primary responsibility will be to lead APL’s associated technical development and field test efforts, serving as APL’s technical liaison within a cross-organizational team consisting of industry and government partners and operators at an industry partner site in the Denver, Colorado area, at APL field sites and government sites in the Denver, Colorado area.
Mid-Level SQL Engineer LeidosMid-Level SQL EngineerAurora, CO$87,100–$157,450April 16, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com .
Mid-Level Backend Software Engineer LeidosMid-Level Backend Software EngineerAurora, CO$87,100–$157,450If you’ve been building your skills in backend development, object‑oriented programming, and mission‑driven engineering , and you’re ready for work that actually moves the needle, this is the kind of opportunity cleared engineers pursue when they want to grow while making real impact. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com .
NewNetwork Security Engineer Bank of America CorpNetwork Security EngineerDenver, CO$98,400–$160,000 / yearExperience deploying network security solutions into cloud based networks like Akamai and CloudflareNetwork Security or Cloud Security is a plusExperience configuring and troubleshooting Web Application Firewall (WAF) is a plusSkills:InfluenceResult OrientationSolution DesignStakeholder ManagementTechnical Strategy DevelopmentAccess and Identity ManagementCritical ThinkingCyber SecurityInformation Systems ManagementRisk ManagementCollaborationDevOps PracticesFinancial ManagementSolution Delivery ProcessTest EngineeringThis job will be open and accepting applications for a minimum of seven days from the date it was posted. We provide industry-leading benefits, access to paid time off, resources and support to our employees so they can make a genuine impact and contribute to the sustainable growth of our business and the communities we serve Washington, DC pay and benefits information Washington, DC pay range: $98,400.00 - $160,000.00 annualized salary, offers to be determined based on experience, education and skill set.
Sr. Network Security Engineer Axos BankSr. Network Security EngineerCentennial, COLearn to design, build, and manage AI agents (using platforms such as Kindo.ai, n8n, and Claude/Anthropic APIs) that automate routine network security operations including policy reviews, firewall rule audits, segmentation gap analysis, and anomaly triage. Requirements: 7+ years of progressive experience in network security engineering, with hands-on work in firewall management, network segmentation, VPN/ZTNA, and intrusion detection/prevention.
Senior Offensive Security Engineer - Pentester Bank of America CorpSenior Offensive Security Engineer - PentesterDenver, CO$160,000–$205,000 / yearYou will coordinate with senior leadership on development projects, share your knowledge and experience by mentoring junior engineers, and assist with monitoring and response functions so that those teams can practice and improve their capability to respond to a realistic threat actor. You will lead and participate in collaborative technical assessments that leverage a wide range of penetration testing techniques, reconnaissance, weaponization, delivery, exploitation, to identify and prove the concept of high-risk vulnerabilities across a variety of technologies.
Senior Cyber Security Engineer Cooley LLPSenior Cyber Security EngineerCO$145,000–$210,000 / yearCompetencies: • Exceptional customer service skills • Excellent analytical, problem-solving, customer service, project management and communication skills • Goal-oriented • Excellent decision making, integrity and working with IT management, business users and staff • Excellent oral and written communication skills, including technical and user documentation • Strong organizational skills • Ability to work independently and under high pressure with tight schedules and deadlines • Ability to interact well with all levels of business professionals • Excellent active listening skills • Flexible and patient with process development/execution and adherence to instruct project management practices • Capable of grasping new concepts quickly and without prior experience • Detail-oriented • Ability to multi-task and work in fast-paced environment • Ability to interact and coordinate with several teams to achieve objectives • Ability to solve problems independently and simultaneously, effectively managing multiple tasks • Professional demeanor at all times. Preferred: • Bachelor's Degree in Information Technology or Computer Information Systems • CISSP or equivalent certifications and/or experience • Experience working with the following products: • Palo Alto Network's Firewalls and Prisma Access • Tenable Vulnerability Scanner • VMWare • Cyberhaven Data Loss Prevention • Proofpoint Email Gateway and Anti-Spam • Forensic Tools • S/MIME email encryption • Delina Secret Server • Crowdstrike • Google SecOps SIEM • Two factor authentication technologies • Penetration testing tools • Patch management systems.
Security Engineer - Cloud Security Controls PNC BankSecurity Engineer - Cloud Security ControlsDenver, ColoradoAccess Control (AC), AWS Devops, Building Architecture, Cloud Security, Customer Solutions, Disaster Recovery Planning, Information Security, Microsoft Azure Security, Network Security, Physical Security, Risk Assessments, Security Technologies Competencies . In addition, PNC generally provides the following paid time off, depending on your eligibility: maternity and/or parental leave; up to 11 paid holidays each year; 9 occasional absence days each year, unless otherwise required by law; between 15 to 25 vacation days each year, depending on career level; and years of service.
ICS/OT-Cybersecurity Engineer/Network Security Engineer Logical SystemsICS/OT-Cybersecurity Engineer/Network Security EngineerGolden, ColoradoICS/OT Cybersecurity Engineers and ICS/OT Network Security Engineers support clients in assessing, improving, and maintaining the cybersecurity posture of their ICS/OT environments to mitigate security risks (e.g., insider and external threats, intentional and accidental). ICS/OT Cybersecurity Engineers and ICS/OT Network Security Engineers assist in reviewing and developing Industrial Cybersecurity programs, security policies, and plans, and provide guidance to help clients improve their existing OT security programs.
Security Engineer - Network, Governance, Risk PNCSecurity Engineer - Network, Governance, RiskDenver, CO$91,000–$185,900 / yearPreferred Skills & Experience:** + Networking knowledge + Subnets/terminology + routers, switches, VLANs, VRFs, routing + Troubleshooting (following the packet) + Network Security + Firewalls such as Fortinet + Micro segmentation + Proxy (basic understanding/function) + VPN tunnels + Least privilege enforcement + Scripting knowledge (python is a great PLUS) + Server architecture knowledge (Web/app/db and communication layouts) + Understanding enterprise supporting infrastructure such as: + Load balancers + DNS + BGP + Provisioning and Orchestration + Containers/Kubernetes + Databases + User connectivity + Proxy + Remote access connectivity + Load testing + Web application firewall + Policy and procedure experience + Drafting/revising policy language + Enforcing + Reviewing policy exceptions as part of GRC functionality + Revising procedures and processes for improvement + Vulnerability management and remediation PNC Employees take pride in our reputation and to continue building upon that we expect our employees to be: + **Customer Focused** - Knowledgeable of the values and practices that align customer needs and satisfaction as primary considerations in all business decisions and able to leverage that information in creating customized customer solutions. In addition, PNC generally provides the following paid time off, depending on your eligibility: maternity and/or parental leave; up to 11 paid holidays each year; 9 occasional absence days each year, unless otherwise required by law; between 15 to 25 vacation days each year, depending on career level; and years of service.
Cisco Network Security Engineer/ Senior Consultant Deloitte Touche Tohmatsu LtdCisco Network Security Engineer/ Senior ConsultantDenver, CO$105,400–$207,800 / year3+ years of experience with Cisco Identity Services Engine (ISE) 802.1X Network Access Control (NAC), guest lifecycle management, profiling policies, TrustSec segmentation, and Cisco Firepower capabilities including intrusion prevention system (IPS), malware protection, Uniform Resource Locator (URL) filtering, Domain Name System (DNS)-based security, Secure Sockets Layer/Transport Layer Security (SSL/TLS) decryption, and cloud firewall deployments in Amazon Web Services (AWS), Microsoft Azure, or Google Cloud Platform (GCP). 5+ years of experience designing, deploying, and managing Cisco Firepower Threat Defense (FTD) and Firepower Management Center (FMC) in enterprise environments, including physical appliances, virtual instances, and cloud-delivered Firewall Management Center (cdFMC).
Cyber Zscaler Network Security Engineer / Senior Consultant, Strategy, Growth, and Transformation Deloitte Touche Tohmatsu LtdCyber Zscaler Network Security Engineer / Senior Consultant, Strategy, Growth, and TransformationDenver, CO$105,400–$207,800 / year1+ years of experience designing, deploying, and managing Zscaler Cloud Connector, including deployment within cloud environments (AWS, Azure, and/or GCP), workload-to-internet and workload-to-workload traffic inspection, and integration with cloud-native networking constructs (e.g., VPCs, VNets, Transit Gateways). 5+ years of hands-on experience designing, deploying, and managing Zscaler Private Access (ZPA), including application segment configuration, access policies, connector deployment, and zero trust network access (ZTNA) architectures replacing legacy VPN infrastructure.
Security Engineer - Cloud Security Controls The PNC Financial Services Group IncSecurity Engineer - Cloud Security ControlsLakewood, CO$80,000–$185,150 / yearIn addition, PNC generally provides the following paid time off, depending on your eligibility: maternity and/or parental leave; up to 11 paid holidays each year; 9 occasional absence days each year, unless otherwise required by law; between 15 to 25 vacation days each year, depending on career level; and years of service. PNC Employees take pride in our reputation and to continue building upon that we expect our employees to be: Customer Focused - Knowledgeable of the values and practices that align customer needs and satisfaction as primary considerations in all business decisions and able to leverage that information in creating customized customer solutions.
Senior IT Security Engineer - Mission System Cybersecurity & Compliance Lunar Outpost Inc.Senior IT Security Engineer - Mission System Cybersecurity & ComplianceGolden, COThe ideal candidate will bring with them a thorough understanding of security architecture, risk management, US government contracting, controlled environments, and a readiness to work in a dynamic but pragmatic startup environment. Manage security and compliance documentation including SSPs, POA&Ms, Security Control Traceability Matrices (SCTM) and provide evidence of cybersecurity compliance/supporting authorization for operation.
Sr Systems Security Engineer Sierra Nevada CorpSr Systems Security EngineerEnglewood, CO$143,487.14–$197,294.82 / yearJoin the SNC-led SAOC team and be a part of exciting and meaningful work to modernize and deliver the next-generation SAOC aircraft trusted by the President, Secretary of Defense and Chairs of the Joint Chiefs of Staff to ensure continued critical command, control and communication during national emergencies. The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems.
Senior Information Security Engineer Offensive Security Verite Group, Inc.Senior Information Security Engineer Offensive SecurityBoulder, COSeeking experienced offensive security professionals to conduct security assessments, red team operations, and network exploitation activities in support of client security requirements. Bachelor Degree in Computer Science or related field is required or 5 years of direct work experience.
Staff Cloud Security Engineer VantorStaff Cloud Security EngineerWestminster, ColoradoExperience automating, running and maintaining a variety of security tool types (some combination of i.e. monitoring, compliance, vulnerability detection, intrusion detection and prevention, change management and detection, code analysis, etc.). In this role you will have ownership responsibility for the operation of several security applications/services, for integrating security requirements into the common infrastructure design and supporting common infrastructure service solutions for the enterprise.
NewAI Security Engineer LiteraAI Security EngineerDenver, ColoradoAs AI becomes more deeply embedded in our customer experiences and development workflows, the AI Security Engineer will play a critical role in protecting sensitive data, reducing emerging AI-related risks, and strengthening confidence in Litera’s AI capabilities. Working knowledge of LLM security risks and mitigations, including OWASP LLM Top 10 concepts such as prompt injection, insecure output handling, RAG poisoning, model denial of service, and sensitive information disclosure.
Security Engineer Candid HealthSecurity EngineerDenver, CO$180,000–$258,000 / yearCollaborate with Engineering Teams: Participate in design reviews and threat modeling sessions to identify potential security flaws early in the development process, and validate the security of new features and services during rollout ensuring security remains at the forefront of all initiatives. We're rethinking medical billing from the ground up, building software backed by best-in-class data science (and, soon, a dash of machine learning) to automate much of this complexity so healthcare providers can get paid dramatically more easily and inexpensively.
Principal Systems Security Engineer Sierra Nevada CorpPrincipal Systems Security EngineerCentennial, CO$165,010.21–$226,889.04 / yearJoin the SNC-led SAOC team and be a part of exciting and meaningful work to modernize and deliver the next-generation SAOC aircraft trusted by the President, Secretary of Defense and Chairs of the Joint Chiefs of Staff to ensure continued critical command, control and communication during national emergencies. The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems.
Principal Systems Security Engineer / Senior ISSM Sierra Nevada CorpPrincipal Systems Security Engineer / Senior ISSMLone Tree, CO$165,010.21–$226,889.04 / yearThis role combines active hands-on-keyboard technical security execution - vulnerability scanning, SIEM operations, STIG hardening, and system monitoring - with senior leadership accountability for ISSO team development, ATO lifecycle management, DCSA/DoW/IC compliance framework implementation, and direct representation of program security posture to government stakeholders and Authorizing Officials. Tenable Dashboard Creation ELK Stack (Elastic/Kibana), Splunk SIEM, DISA STIGs / SRGs, eMASS / XACTA, RHEL / Linux, vSphere/VMware, GitLab / GitHub, Bash Scripting, CPU / System Architecture, PKI / Certificate Mgmt, NIST 800-53 Rev 5, RMF / ATO Process, DCSA DAAPM, CMMC Level 2/3, TEMPEST Requirements, PPSM Creation.
Senior Information Security Engineer, Offensive Security GRVTYSenior Information Security Engineer, Offensive SecurityBoulder, CO$175,000–$250,000 / yearSeeking experienced offensive security professionals to conduct security assessments, red team operations, and network exploitation activities in support of client security requirements. Pay Range: At GRVTY, we understand that compensation is influenced by many factors—such as geographic location, federal contract labor categories, wage rates, prior experience, skillsets, education, and certifications.
Staff Information Security Engineer Lumos Networks Corp.Staff Information Security EngineerDenver, CO$116,025–$140,000 / yearAbout Segra: Segra owns and operates a wide and dense fiber-optic infrastructure footprint that provides state-of-the-art connectivity, cybersecurity, voice, cloud and colocation solutions, all backed by industry-leading service and reliability. This role requires collaboration with architects, senior-level engineers, management, and stakeholders inside and external to the organization, both to ensure awareness of security risks and to ensure appropriate mitigation steps are taken.
NewCloud Security Engineer HonorVet TechnologiesCloud Security EngineerDenver, CORemoteThe ideal candidate will have strong expertise in Azure security services, cloud governance, CSPM, identity and access management, infrastructure-as-code (IaC), and cloud-native security tooling. HonorVet Technologies is a veteran-owned IT staffing firm, ISO 9001 and ISO 27001 certified, working with federal agencies, state governments, and Fortune 500 enterprise clients across the US.
Senior Cloud Security Engineer True Anomaly IncSenior Cloud Security EngineerDenver, CO$145,000–$195,000 / yearStrong experience with cloud networking and troubleshooting across AWS and Azure: VPCs/VNets, subnets, NACLs/NSGs, Security Groups, Transit Gateways/Virtual WAN, VPC peering, route tables, and VPN/ExpressConnect-you can debug "why can't X talk to Y" across multi-account/multi-subscription network topologies. Strong PKI knowledge with hands-on experience working with certificate infrastructure-including certificate lifecycle management, mTLS implementation, certificate-based authentication, and X.509/TLS troubleshooting.
Sr. Application Security Engineer Vertafore IncSr. Application Security EngineerDenver, CORemoteCore Requirements and Responsibilities: Essential job functions included but are not limited to the following: Partner with product and engineering teams to perform application security reviews, secure architecture reviews, and threat modeling for new and existing applications, services, APIs, integrations, and cloud-native workloads. Experience with at least several of the following security tools or control areas: SAST, DAST, SCA, secrets scanning, container scanning, IaC scanning, API security testing, WAF, CNAPP/CSPM, CI/CD security controls, SIEM/logging, or runtime application security monitoring.
Staff Cloud Security Engineer Maxar Technologies Inc (Inactive)Staff Cloud Security EngineerWestminster, CO$102,000–$136,000 / yearExperience automating, running and maintaining a variety of security tool types (some combination of i.e. monitoring, compliance, vulnerability detection, intrusion detection and prevention, change management and detection, code analysis, etc.). In this role you will have ownership responsibility for the operation of several security applications/services, for integrating security requirements into the common infrastructure design and supporting common infrastructure service solutions for the enterprise.
Lead Security Engineer, Enterprise Security Klaviyo IncLead Security Engineer, Enterprise SecurityDenver, CO$175,200–$262,800 / yearKnowledgeable in secrets management, JITA, and modern identity patterns including SSO, SCIM, and privileged access workflows including SAML 2.0, SCIM, OAuth and OIDC - note this is not a dedicated IAM role; fluency in these areas supports broader enterprise security ownership, not identity program management. In addition to base salary, our total compensation package may include participation in the company's annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility.
NewInformation Systems Security Engineer (ISSE) EntarianInformation Systems Security Engineer (ISSE)Denver, Colorado$154,000–$192,000 / yearThe ideal candidate will have demonstrated experience supporting large-scale defense or space environments involving space systems, ground infrastructure, mission operations, communications networks, cloud environments, or enterprise information technology capabilities. Develop and maintain technical cybersecurity documentation including System Security Plan (SSP) content, control implementation statements, security architecture diagrams, data flow diagrams, network diagrams, interface documentation, and engineering analyses.