Ground Systems Engineer & Architect UmbraGround Systems Engineer & ArchitectReston, VA$195,000–$235,000Working closely with software, hardware, network, cybersecurity, and mission engineering teams, the Ground Systems Engineer & Architect ensures successful delivery of modern ground infrastructures leveraging virtualization, containerized services, DevSecOps practices, and enterprise IT technologies to enable reliable mission operations for U.S. Government and Intelligence Community customers. Enable Mission Operations & Modern Engineering Practices: Collaborate across multidisciplinary engineering teams to deliver mission-ready ground capabilities using systems engineering best practices, DevSecOps, Infrastructure as Code (IaC), automation, and modern software deployment pipelines supporting U.S. Government and Intelligence Community programs.
Technical Lead/Chief Security Architect Revolutional, LLCTechnical Lead/Chief Security ArchitectWashington, DCRemote$200,000–$250,000 / yearMaster's degree in Cybersecurity, Mathematics, Engineering, Computer Science, Information Technology, Information Systems Architecture, Telecommunications Systems Design, Architecture Implementation, Information Systems Integration, Software Development Methodologies, Security Engineering, or Network Systems Communications Management. Advance the development of legacy and new health IT digital architectures spanning cloud, mobile, IoT, APIs, VR/XR, 5G, Post-Quantum Cryptography (PQC), Data Loss Prevention (DLP), cryptography, quantum computing, and Artificial Intelligence (AI) technologies.
Cyber Network Operations (CNO) Advisor Veros Technologies, LLCCyber Network Operations (CNO) AdvisorReston, VADesired Experience performing similar roles within the Federal Intelligence Community;Proficiency scripting/programming in various languages such as Python, Bash, Java, PowerShell, or C# with the ability to create and customize tools and craft custom exploits for proof-of-concept code;Desired Professional Certifications: Offensive Security Certifications (OSCP, OSCE, OSWP, OSWE, OSEE), SANS GIAC Certifications (GPEN, GWAP, GPYC, GXPN, GSE), Certified Ethical Hacker (CEH);Experience with collection management processes, capabilities, technical targeting, and reporting. Experience: Minimum of 10 years of relevant work experience in areas such as: offensive computer operations, computer network operations, computer network defense, or computer network exploitation; Understanding of client relationships, including determining needs, learning expectations, and demonstrating commitment to delivering quality results.
Cyber Network Ops (CNO) Advisor Veros Technologies, LLCCyber Network Ops (CNO) AdvisorReston, VADesired Experience performing similar roles within the Federal Intelligence Community;Proficiency scripting/programming in various languages such as Python, Bash, Java, PowerShell, or C# with the ability to create and customize tools and craft custom exploits for proof-of-concept code;Desired Professional Certifications: Offensive Security Certifications (OSCP, OSCE, OSWP, OSWE, OSEE), SANS GIAC Certifications (GPEN, GWAP, GPYC, GXPN, GSE), Certified Ethical Hacker (CEH);Experience with collection management processes, capabilities, technical targeting, and reporting. Experience: Minimum of 10 years of relevant work experience in areas such as: offensive computer operations, computer network operations, computer network defense, or computer network exploitation; Understanding of client relationships, including determining needs, learning expectations, and demonstrating commitment to delivering quality results.
Senior Cybersecurity Engineer MobiusSenior Cybersecurity EngineerWashingtonMobius is an award winning, Small Business Administration (SBA) certified Historically Underutilized Business Zone (HUBZone) company and certified Woman-Owned Small Business (WOSB) providing engineering, analytical, and programmatic expertise to the Federal Government and commercial customers. Support the phasing and fielding of cybersecurity solutions for existing systems and future needs through planned integration of the necessary cyber related architectural features and tools to protect the confidentiality, integrity and availability of the systems, networks platform mission and operation.
Staff Security Engineer Alarm.com IncorporatedStaff 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.
Staff 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.
Senior Information Systems Security Engineer (ISSE) DAn SolutionsSenior Information Systems Security Engineer (ISSE)Reston, VAFull timeNo Telework.· Designs, develops, and recommends integrated security system and physical control solutions that will ensure proprietary/confidential data and systems are protected· Assist team in DIA's Authorization and Accreditation (A&A) process using RMF across the design lifecycle for classified systems obtaining and maintaining Interim Authorization to Test (IATT), Authority to Connect (ATC) and Authorization to Operate (ATO)· Offers technical engineering services for the support of integrated security systems and solutions, managing information-related risks effectively· Works closely with the client during the strategic design process to translate security and business requirements into actionable technical designs· Configures and validates secure systems and physical controls, and tests security products and systems to detect security weakness· Develop comprehensive system test plans (STP) to assess the security posture of the information systems· Analyze scan results and security findings to prioritize remediation efforts and implement corrective measures· Participate in incident response activities and assist in the resolution of security incidents as needed Requirements:· Exhibits advanced Windows administration capabilities and Linux proficiency for optimal system management· Security credentials, certifications, and experience commensurate with the job description· Practical experience deploying, maintaining, and troubleshooting security tools· Demonstrates the ability to critically assess current practices, identify deficiencies, propose innovative solutions, and effectively implement these improvements· Thrives in a fast-paced, complex environment; displays exceptional poise and an unwavering commitment to hard work· Displays excellent problem-solving abilities and attention to detail· Experience with each of the following security tools: Assured Compliance Assessment Solution (ACAS), Trellix, Splunk, and Security Technical Implementation Guide (STIG)'s· Collaborate with stakeholders to identify security requirements and ensure alignment with organizational objectives· Stay abreast of the latest security trends, technologies, and best practices to continually enhance the security posture of the information systems· A Bachelor's Degree from an accredited institute in an area applicable to this position and four (4) years of relevant experience· An additional four (4) years of relevant experience may be substituted for the bachelor's degree· Must presently be 8570 compliant (IAT Level 2 preferred); must be 8570 compliant (IAT Level 2) by date of security indoctrination with any necessary continuing education (CE) for certification Desired Qualifications:· Familiar with tiered security environments (U, S, TS)· Deep understanding of Trellix antivirus suite of products· Knowledge of Splunk architecture and experience structuring multi-level queries· Windows expert - capable of advanced Powershell scripting and general administrative functions· Experience with one or more commercial government cloud service provider's system accreditation process· Experience as a Cybersecurity Control Assessor for SAP· Experience with Ongoing Authorizations and Assessments· Experience with C2S Cloud, or DevOpsSec Salary Range Disclaimer: The posted salary range represents the good-faith minimum and maximum compensation DAn Solutions expects to pay for this position. ISSE are as follows:· Provides technical expertise to ensure the network systems meet DIA C&A and IA requirements and are properly certified and accredited· Responsibilities are full-time on customer's onsite and will cover classified programs and Special Access Programs (SAP).
NOC Engineer LeidosNOC EngineerChantilly, VirginiaAugust 14, 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. Real-Time Monitoring: Watch over network performance, server health, bandwidth utilization, and core infrastructure via enterprise monitoring tools, such as SolarWinds and Splunk.
NewTier II Network Technician LeidosTier II Network TechnicianChantilly, VirginiaThe Digital Modernization Sector at Leidos has an opening for a Tier II Network Technician to support the customer’s computer data communications systems, in providing design specifications, testing and inspections for computer networks; plan and implementing upgrades; as well as, analyzing and organizing corresponding hardware and software combined solutions through network modeling. August 22, 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.
Information Technology - Engineer, Systems Ld Lumen Solutions Group, Inc.Information Technology - Engineer, Systems LdReston, VAESSENTIAL FUNCTIONS: 30% Installs, tunes, upgrades, troubleshoots, and maintains all computer systems relevant to the supported applications including all necessary tasks to perform operating system administration, user account management, disaster recovery strategy and networking configuration. Must have strong hands-on knowledge of AWS platform and services but not limited to VPC, Networking, Direct Connect, Subnets, NACLs, Security Groups, EC2, S3, IAM, ELBs, Lambda, CloudWatch, CloudTrail, EKS etc.
Network/Systems Engineering Manager PeratonNetwork/Systems Engineering ManagerLaurel, Maryland$176,000–$282,000 / yearFull timeOur dynamic team provides full spectrum network connectivity including architecture, engineering, development, integration, deployment, configuration management, project management and network security services to the global enterprise, as well as systems and cloud engineering services for application modernization and transition of legacy applications into hybrid cloud platforms. Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and participation in an attractive bonus plan.
NewCloud Security Architect Booz Allen Hamilton Inc.Cloud Security ArchitectArlington, VA$62,000–$141,000 / yearOnsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. You'll work closely with stakeholders, Security and Compliance teams, and architects to implement secure cloud solutions, design assessment methodologies, and establish continuous monitoring strategies.
Cyber Security Engineer SME Abacus TechnologyCyber Security Engineer SMEWashington, Washington, DCDevelop automation scripts for security monitoring and incident response tasks using tools like Terraform, Ansible, or cloud-native automation tools and implement and maintain security tools and technologies that enhance the overall security posture such as Prisma Cloud CSPM (Cloud Security Posture Management) platform. Experience in assisting responses to external audits, penetration tests, vulnerability assessments, recommending and coordinating application fixes, patch management, risk assessments, and implementing security procedures in the event of a security breach.
Senior Cybersecurity Engineer Fluence EnergySenior Cybersecurity EngineerArlington, VirginiaThe Senior Cybersecurity Engineer works closely with product, software, networking, and operations teams to integrate security into development and deployment processes while ensuring alignment with business and operational needs. The Senior Cybersecurity Engineer is responsible for implementing and advancing cybersecurity engineering practices across Fluence software products, operational technology (OT) environments, and supporting infrastructure.
Network/System Administrator (Net/Sys Admin) III TAC Integrated SolutionsNetwork/System Administrator (Net/Sys Admin) IIIDistrict of ColumbiaLead IT ops team on day to day management and operations of Networks and implement capabilities vetted through Cybersecurity, ISSE and higher headquarters to maintain JSIG/RMF Authority to Operate and maintain Continuous Monitoring tools and processes. Position Description The primary function will be to organize, install, and support government organization’s computer systems, including local area networks (LANs), wide area networks (WANs), network segments, intranets, and other data communication systems.
IT Security Operations Analyst Terrestris Global SolutionsIT Security Operations AnalystWashington, DCRemoteThis project will provide IT service desk, systems, network, and security operations support for Federal Prison Industries (UNICOR), supporting end users, Microsoft infrastructure, and mission-critical business systems in hybrid work environments. Deploy third-party software patches using Enterprise Lifecycle Management Services (ELMS) and Microsoft Endpoint Configuration Manager (MECM).
IT Security Operations Analyst (Remote) Terrestris Global SolutionsIT Security Operations Analyst (Remote)Washington, DCRemoteThis project will provide IT service desk, systems, network, and security operations support for Federal Prison Industries (UNICOR), supporting end users, Microsoft infrastructure, and mission-critical business systems in hybrid work environments. Deploy third-party software patches using Enterprise Lifecycle Management Services (ELMS) and Microsoft Endpoint Configuration Manager (MECM).
Senior Systems Infrastructure Engineer & Architect (Enterprise Mission Systems SME) Virginia Tech Applied Research CorporationSenior Systems Infrastructure Engineer & Architect (Enterprise Mission Systems SME)Arlington, VA$200,000–$275,000 / yearVT-ARC is seeking a Senior Systems Infrastructure Engineer & Architect (Enterprise Mission Systems SME) to support enterprise systems engineering, secure infrastructure modernization, classified enclave implementation, and operational transition for mission-critical enterprise communications, network modernization, and cyber programs within TS/SCI environments. The selected candidate will design, implement, and sustain secure enterprise systems capabilities across Windows, Linux, virtualization, directory services, DNS/DHCP/NTP, PKI/certificates, storage, backup and recovery, monitoring, patching, configuration management, and automation.
Senior Network Modernization & Policy Analyst CACI International Inc.Senior Network Modernization & Policy AnalystAlexandria, VA$103,800–$218,100 / yearThis position independently supports an Action Officer and serves as the primary SME driving enterprise-wide network modernization across the Department of Defense Information Network (DoDIN) including DISN optimization, MILDEP network convergence, tactical edge cloud initiatives, and Mission Partner Environment (MPE) capability development. Support the development and coordination of implementation plans to modernize and optimize network capabilities (e.g., DISN, MILDEP network convergence, and edge cloud) in support of DoD priorities to increase security, enhance effectiveness, and gain efficiencies across the DoDIN.