NewSecurity Engineer SteerBridgeSecurity EngineerVienna, VAExperience with the following methodologies and tools: SIEM, XDR, SAST/DAST, STIG, SCAP · Experience implementing and managing identity and access management controls, including role-based, attribute-based, and federated access models, ensuring least-privilege enforcement and secure authorization across architectures and access governance practices. Key Responsibilities: · Plan, implement, and monitor on-premises and virtual network services and systems · Configure and maintain systems in compliance with organizational security policies and procedures including: · User account management · System configuration · Backup and recovery · Develop and harden secure solutions across cloud and hybrid infrastructures in support of mission essential systems.
NewStaff Security Engineer Alarm.comStaff Security EngineerTysons Corner, VA$167,500–$180,500 / yearOur comprehensive suite of solutions—including security, video surveillance, access control, active shooter detection, intelligent automation, energy management, and wellness—is delivered exclusively through a trusted network of thousands of professional service providers and commercial integrators across North America and worldwide. We collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies.
NewInformation Systems Security Engineer System OneInformation Systems Security EngineerClarksburg, MD$180,000 / yearYou’ll be hands-on with the Risk Management Framework (RMF), Assessment & Authorization (A&A), ATO sustainment, control validation, continuous monitoring, and vulnerability/stig compliance efforts—partnering closely with security and technical teams. In this role, you’ll help build, secure, and maintain systems by applying cybersecurity engineering best practices across design, implementation, authorization, and ongoing compliance.
NewSubject Matter Expert III - Information Systems Security Engineer OneZero SolutionsSubject Matter Expert III - Information Systems Security EngineerArlington, VAThe role is the lead technical authority for designing, building, and sustaining DSCA's layered security automation architecture in AWS infrastructure provisioning, configuration management, Policy-as-Code compliance validation, and orchestration and for translating DoW regulatory requirements into functional, automated, operational code. Title: Subject Matter Expert III - Information Systems Security EngineerLocation: Arlington, VA or Mechanicsburg, PAClearance: SecretJob Summary:The Subject Matter Expert III is key personnel serving as the lead Information Systems Security Engineer (ISSE).
NewSenior Security Engineer - Splunk UltraViolet CyberSenior Security Engineer - SplunkWashington, DCEmbed Splunk across a wide range of tools across Enterprise IT operations to ingest endpoint and firewall logs, analyze vulnerability scanning data, enhance privileged access monitoring and audit logging, monitor encryption and key management, and enhance threat detection and incident response. Founded and operated by security practitioners with decades of experience, the UltraViolet Cyber security-as-code platform combines technology innovation and human expertise to make advanced real-time cybersecurity accessible for all organizations by eliminating risks of separate red and blue teams.
NewMid-Level Security Engineer HalvikMid-Level Security EngineerAlexandria, VAThis is a hybrid position based at the customer location in Alexandria, VA.Core ResponsibilitiesOperational Support: Configure and maintain data discovery and classification policies across assigned cloud, on-premises, SaaS, and developer repositories, supporting prioritized rollout to high-risk systems. Working under the direction of the Lead Senior Security Engineer and Program Manager, the Mid-Level Security Engineer helps operationalize policy controls, maintain compliance dashboards, and support remediation activities that protect sensitive agency and stakeholder information.
NewSr. Security Engineer HalvikSr. Security EngineerAlexandria, VAThis is a Hybrid position requiring work at the customer location in Alexandria, VA.Core ResponsibilitiesStrategic Execution: Lead the architecture and phased rollout of enterprise data discovery, classification, and AI governance capabilities, prioritizing high-risk repositories and expanding coverage across cloud, on-premises, SaaS, and developer environments. This role leads the design, implementation, and operationalization of enterprise-scale data discovery and classification, AI governance and protection controls, and detection capabilities for emerging AI-native development artifacts (e.g., Markdown-based prompt files, cursor rules, GitHub Copilot instructions, and Model Context Protocol configuration files).
NewDHS Sr. Operational Technology (OT) Security Engineer OneZero SolutionsDHS Sr. Operational Technology (OT) Security EngineerWashington, DCThe result of these efforts will be that the systems meet all the requirements for ATO approval before they are officially submitted to the Office of Chief Information Officer (OCIO).Job SummaryServe as the Cybersecurity Assessment Team's principal Operational Technology SME.Participate in the development and implementation of comprehensive Cybersecurity program strategies, including OT security engineering design review, vulnerability assessments, penetration testing, and incident response planning. Operational Technology (OT) Security EngineerLocation: NCRClearance: TS /SCIOneZero Solutions is on contract to provide division-wide support for Federal Information Security Modernization Act (FISMA) compliance, execution of the Risk Management Framework (RMF) process to achieve and maintain Authority to Operate (ATO) security authorizations, and deliver cyber security compliance for DHS operational mission systems.
NewSecurity Product Reverse Engineer (TS/SCI w POLY) Falls TechnologySecurity Product Reverse Engineer (TS/SCI w POLY)McLean, VAAbout the Role:** Join our team as a Security Product Reverse Engineer to analyze and audit security products, focusing on vulnerability research and code exploitation. - At least 5 years of hands-on experience with Computer Network Exploitation (CNE) development and testing against at least one of: Personal Security Products, Security Appliances, or Embedded OS security.
NewLead Security Engineer Revolutional, LLCLead Security EngineerSuitland, MD$140,000–$200,000 / yearWe apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes. This program is driving a large-scale transformation of systems into a data-centric, cloud-native ecosystem capable of supporting high-volume, near real-time data processing and advanced analytics.
NewAOUSC - Blue Team Security Engineer cFocus Software IncorporatedAOUSC - Blue Team Security EngineerWashington, DC3+ years of experience designing effective, practical security solutions/measures to include measuring control efficacy and communicating cybersecurity risk to all levels of technical and nontechnical staff. Job Description cFocus Software seeks a Blue Team Security Engineer to join our program supporting the Administrative Office of the United States Courts (AOUSC).
NewInfrastructure Security Engineer SpaceXAIInfrastructure Security EngineerWashington, DC$100,000–$258,000 / yearThis role focuses on securing critical infrastructure across multi-cloud and hybrid environments, with work that may span platforms such as SpaceXAI, X Social, X Money and related systems. Experience with observability and security operations tooling (e.g., Prometheus, Grafana, CloudWatch, Karma; SIEM platforms such as Wazuh).
NewCloud Security Engineer ESMCloud Security EngineerWashington, DCRequired Knowledge, Skills and Abilities (KSA)Experience with cloud-native architectures and AWS services, including VPCs, Security Groups, IAM, Docker, KMS, S3 and RDS encryption, HTTPS/SSL certificates, API Gateway, Lambda, CloudFormation, CloudFront, Cloudflare, egress proxies, data lake security, application security, domain segmentation, authentication, data protection, and process automation. Job Description and ResponsibilitiesThe successful candidate will design, implement, and secure cloud-native AWS environments using technologies and services including VPC, IAM, Security Groups, Docker, Lambda, API Gateway, CloudFormation, CloudFront, CloudFlare, encryption technologies, and data protection controls.
NewPrincipal Engineer -Cyber Security A3 Technology, Inc.Principal Engineer -Cyber SecurityWashington, DC$50,000–$175,000 / year10+ years of FAA security experience supporting the National Airspace System (NAS): Experience with the full lifecycle security compliance for mission-critical systems, ensuring strict adherence to FAA Order 1370.121 (Information Security and Privacy Program) and NIST SP 800-53 Rev. Provide Chief Security Architect–level expertise to develop, review, and validate cybersecurity architectures, designs, and interface specifications for NAS enterprise systems and services.
NewSenior Security Tools Engineer Ashburn ConsultingSenior Security Tools EngineerCamp Springs, MDThis Key Personnel role will administer, integrate, automate, and optimize enterprise-grade security tools supporting vulnerability management, endpoint security, SIEM, dashboarding, automation, API development, audit support, and CDM-aligned reporting for a proposal opportunity. Hands-on experience with tools and platforms such as Splunk, Tenable Vulnerability Management, CrowdStrike, ForeScout, Zscaler, AWS, Jenkins, Sumo Logic, Ansible, Active Directory, VMware, and Cisco UCS.
NewPhysical Security Engineer CloudHQ LLCPhysical Security EngineerAshburn, VAThe PSE shall report to the Security Program Manager and provide support and management for the day-to-day security operations of CloudHQ’s large scale data centers, while ensuring that the highest levels of security, plant safety and tenant availability are maintained. We are strengthened by industry experts who bring extensive knowledge, skill, and experience; leaders who bring vision, innovation and commitment to our people; and an expanding team of individuals who believe in that vision and bring their best to support their customers and team.
NewEndpoint Security Engineer HalvikEndpoint Security EngineerAlexandria, VAPosition OverviewThe SentinelOne Endpoint Security Engineer is responsible for the administration, management, and optimization of the organization's endpoint security environment, with a primary focus on SentinelOne Endpoint Protection Platform (EPP) and Endpoint Detection and Response (EDR). Halvik is a highly successful WOB business with more than 50 prime contracts and 500+ professionals delivering Digital Services, Advanced Analytics, Artificial Intelligence/Machine Learning, Cyber Security and Cutting-Edge Technology across the US Government.
NewSecurity Systems Design Engineer EMD LLCSecurity Systems Design EngineerAlexandria, VASpecific experience integrating or designing enterprise-level IP CCTV camera systems, Emergency Notification systems, Automated Access Control systems, Intrusion Detection systems. · Manual dexterity required for frequent reaching, climbing, and lifting of moderate objects (50-80 pounds), operation of power and manual tools/equipment, and operating office equipment.
NewSecurity Engineer Eliassen GroupSecurity EngineerWashington, DC$40–$48 / hourFor nearly 40 years, we have combined exceptional people, deep domain expertise, and intelligent capabilities to expand our clients’ capacity and accelerate meaningful outcomes. You may receive email and SMS notifications from the Eliassen Virtual Recruiting Team ( noreply@eliassen.com , 781-808-2924) inviting you to complete a brief voice screening as part of your application process.
NewSr. Network Engineer JobotSr. Network EngineerGaithersburg, MD$110,000–$130,000 / yearWith deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. The ideal candidate has approximately 10+ years of experience in network engineering, a strong understanding of enterprise networking technologies, and experience working with Cisco, Juniper, or similar networking platforms.