VULNERABILITY ASSESSMENT ANALYST Quantum Research International IncVULNERABILITY ASSESSMENT ANALYSTSpringfield, VAOverview: Quantum Research International, Inc. (Quantum) is a certified DoD Contractor providing services and products to US/Allied governments and industry in the following main areas: (1) Cybersecurity, High Performance Computing Systems, Cloud Services and Systems; (2) Space and Ground Support Systems; (3) Aviation Systems; (4) Missile Systems; (5) Artificial Intelligence/ Machine Learning Systems and Experimentation/Training; and (6) Audio Visual Systems and Services. Mission: As a member of the NGA Defender Cybersecurity Vulnerability Management team, the contractor executes the Vulnerability Management aspect of the Risk Management Framework (RMF) in accordance with NIST SP 800-37 R2 (or subsequent versions) and National Geospatial-Intelligence Agency's (NGA) RMF Implementation Guide (RIG) for all NGA-authorized systems.
NewEquipment Tech MDE Audit Technician Opus GroupEquipment Tech MDE Audit TechnicianAnnapolis, MDOur mission: to make the world a cleaner and safer place by providing highly effective solutions for vehicle inspection through innovative technologies, customer focus and operational excellence. Envirotest is a proud subsidiary of Opus Inspection, the worldwide provider of vehicle emissions testing equipment and services.
Site Leader - Ashburn, VA Vertiv Group Corp.Site Leader - Ashburn, VAAshburn, VAIf assigned a project not located in the vicinity of Site Leader residence, travel will consist of a field rotation that includes (3) consecutive weeks on the customer site followed by (1) week of a service break in their home office whereby the Site Leader is expected to work their minimum of 40 hours on billable tasks and any administrative duties (i.e. Safety training, cycle counts, etc.) as necessary. The Site Leader is the primary Vertiv Service on-site technical representative for large jobs, from construction start, through start-up, site acceptance testing, and project completion.
Site Leader - Manassas, VA Vertiv Group Corp.Site Leader - Manassas, VAManassas, VAIf assigned a project not located in the vicinity of Site Leader residence, travel will consist of a field rotation that includes (3) consecutive weeks on the customer site followed by (1) week of a service break in their home office whereby the Site Leader is expected to work their minimum of 40 hours on billable tasks and any administrative duties (i.e. Safety training, cycle counts, etc.) as necessary. The Site Leader is the primary Vertiv Service on-site technical representative for large jobs, from construction start, through start-up, site acceptance testing, and project completion.
System Integration Engineer LeidosSystem Integration EngineerArlington, VirginiaBachelor’s degree in engineering or related field with 4+ years of prior relevant experience or a master’s degree with at least a year experience in one of these areas: computer engineering, software engineering, test engineering or related field. June 8, 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.
Data Analyst (Network Security) NoblisData Analyst (Network Security)Washington, Washington, DC$59,200–$112,150 / yearFull timeCompensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws. The ideal candidate will have experience working with network and security data, using scripting languages and advanced Excel capabilities to identify anomalies, validate information accuracy, and support cybersecurity decision-making.
Sr. Core Network Engineer LeidosSr. Core Network EngineerChantilly, VirginiaJuly 21, 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. Network Architecture provides solutions for modernizing the network components while supporting service delivery for customer requirements in a mission-focused operational enterprise.
Application Support DevOps Engineer Recorded Future IncApplication Support DevOps EngineerWashington, DC$129,000–$193,500 / yearDesign, build, and maintain custom Docker images (desktops, browsers, and single-application workspaces) based on upstream core images, including adding software, startup scripts, branding, and launch forms to meet internal team requirements. Lead the deployment, upgrade, and lifecycle management of a containerized workspace streaming platform running on Kubernetes, including Helm chart customization, namespace and zone design, and configuration of core services such as the API, manager, and connection proxy components.
Sr. ISSE TS/SCI Polygraph LeidosSr. ISSE TS/SCI PolygraphAnnapolis Junction, MarylandOur team of security engineers support enhancements to system security architecture and cyber security capabilities; manage multiple system security plans for development, test and production systems following the Risk Management Framework (RMF); manage cross domain capabilities; and support Security Verification Testing (SVT) of relevant Type 1 devices. The strongest candidates will have experience working in these areas: Validating and verifying system security requirements and establishing system security designs for large-scale systems, major system elements, and interfacing systems that are part of a large complex network environment with geographically distributed components.
Media Malware Analyst, Senior LeidosMedia Malware Analyst, SeniorOdenton, MarylandThe National Security Sector (NSS) seeks a highly qualified and trained Senior-level Media Malware Analysts to support United States Cyber Command (USCYBERCOM) operations by identifying and analyzing sophisticated malware threats targeting USCYBERCOM the Department of Defense Information Network (DODIN), and associated networks and organizations. Desired Certifications (not all inclusive, no expectations for candidate to hold all certifications): GIAC Reverse Engineering Malware (GREM); Certified Reverse Engineering Analyst (CREA); Certified Malware Analyst (CMA); Digital Forensics and Incident Response (DFIR); GIAC Certified Forensic Analyst (GCFA); GIAC Cyber Threat Intelligence (GCTI).
Senior Linux Systems Administrator LeidosSenior Linux Systems AdministratorAnnapolis Junction, MarylandApril 15, 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. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.
Cyberspace Operations Planner, Senior LeidosCyberspace Operations Planner, SeniorOdenton, Maryland12 years or greater recent (since 2010) work experience as CO Planner or combined experience in planner position and other CO support positions: can waive two years of experience requirement for every year spent on a Combat Mission Team (CMT) in any work role; can waive two two years work experience requirement for every year spent in an Offensive Cyberspace Operations planner role within a Joint Force Headquarters – Cyber (JFHQ-C) command; OR four years recent (since 2013) work experience in offensive cyberspace capabilities development; can waive two years of experience requirement for every year spent on a CMT in any work roles; can be concurrent with CO Planner or other CO support role. The Leidos Intelligence Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers’ mission to defend against evolving threats around the world.
NewSenior Network Administrator - TS/SCI with Polygraph General Dynamics Information TechnologySenior Network Administrator - TS/SCI with PolygraphWashington, DC$124,093–$161,000 / yearType of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret SCI Polygraph Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Network Infrastructures, Networking Hardware, Network Systems Certifications: None Experience: 6 years of related experience US Citizenship Required: Yes Job Description: Transform technology into opportunity a Network Computer Systems Administrator with GDIT. WHAT YOU’LL NEED TO SUCCEED: Required Education and Experience: Technical Training, Certification(s) or Degree 8 years Certifications: DoD Manual 8570.01-M at the Information Assurance Technical (lAT) Level II role & Cisco Certified Network Associate (CCNA) minimum requirement; Cisco Certified Network Professional (CCNP) preferred.
NewSenior Zscaler / Network Engineer General Dynamics Information TechnologySenior Zscaler / Network EngineerRockville, MD$124,093–$165,600 / yearType of Requisition: Incumbent Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: NACI (T1) Job Family: Cyber and IT Risk Management Job Qualifications: Skills: Cloud Network Architecture, Network Architecture, SCIM (Inactive), Security Assertion Markup Language (SAML), Zscaler Architecture Certifications: None Experience: 10 years of related experience US Citizenship Required: No Job Description: We are seeking a highly skilled Senior Zscaler Engineer / Secure Access Service Edge (SASE) Subject Matter Expert (SME) to support the Health Resources and Services Administration (HRSA). Implement and support RSA SecurID / RSA Authentication Manager solutions, including integration with VPNs, RADIUS, and enterprise authentication systems Design, implement, and troubleshoot IPv4 and IPv6 network architectures, ensuring seamless integration and scalability across environments Provides innovative methods and technical solutions using the engineering design process.
NewMission Systems Support Armison TechMission Systems SupportChantilly, VirginiaWork includes technical support services, system administration, network design and management, and management of business workflows through business application and data management. As we help each of our new employees make adjustments to our operational methods, we make sure every professional is able to handle the workload of each project by resolving any relevant concerns or issues they may have relating to this recent career shift.
Test Analyst (Network/Cyber) StratAcuity Staffing Partners IncTest Analyst (Network/Cyber)Alexandria, VA$41–$87 / hourIn terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. The position will involve collecting, correlating, analyzing, and visualizing network, cyber, and operational test data to assess the performance, interoperability, and security posture of Counter-Unmanned Aircraft Systems (C-UAS) technologies.
Sr. Network Engineer NewGen TechnologiesSr. Network EngineerLorton, VirginiaFamiliarity with network hardware and software, including routers, switches, load balancers, and network operating systems (e.g., Cisco, Juniper), as well as Azure networking components like virtual networks, subnets, VPN gateways, and Azure ExpressRoute. As a Network Engineer , you will be responsible for providing senior-level support for their network infrastructure, with a focus on LAN/WAN designs, configurations, management, and Azure networking.
Senior Network Engineer PeratonSenior Network EngineerWashington, D.C.$104,000–$166,000 / yearFull timeWe are seeking a highly skilled and motivated Senior Network Engineer to support a federal government customer in designing, implementing, securing, and maintaining enterprise network infrastructure within a mission-critical environment. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies.
Systems Administrator Support to PMO PeratonSystems Administrator Support to PMOAnnapolis Junction, Maryland$112,000–$179,000 / yearFull timeIn addition, you will provide support for the escalation and communication of status to agency management and internal customers; provide support for the secure and unclassified systems; provide support for hardware problems; remain involved in the resolution process; configure and manage Windows operating systems; install/load operating system software; troubleshoot, maintain integrity, and configure network component; and implement operating systems enhancements to improve reliability and performance. 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, a generous PTO cap and eligibility to participate in an attractive bonus plan.
NS-Senior Systems Engineer (Tactical Network / SATCOM / RF) (Remote) NETSEA TechnologiesNS-Senior Systems Engineer (Tactical Network / SATCOM / RF) (Remote)APG, MDRemoteThe Senior Systems Engineer provides end-to-end systems engineering support for complex DoW tactical communications systems, with emphasis on integrated network, RF, and SATCOM architectures. This role leads requirements development, system integration, and technical oversight across the system lifecycle to ensure operational effectiveness, interoperability, and mission readiness: Key Responsibilities.