Application Security Engineer — Secure Mission Systems RacknerApplication Security Engineer — Secure Mission SystemsLaurel, MDYou will work closely with software engineers, AI/ML engineers, platform teams, DevSecOps professionals, and customer technical leads to identify meaningful risks, support vulnerability remediation, and strengthen secure-development practices. You will help teams understand security findings, separate actionable risks from false positives, verify fixes, improve software supply-chain security, and deliver resilient software with greater confidence.
Security Engineer Booz Allen Hamilton Inc.Security EngineerAnnapolis Junction, MD$112,800–$257,000 / 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. Experience building or fine-tuning ML models outside Elastic, including Python, scikit-learn, and PyTorch, for security use cases such as threat detection or lateral movement scoring.
Network Engineer Armison TechNetwork EngineerChantilly, VirginiaWe're a company predominantly focused on cyber security for our government customers yet our expertise in other areas include big data analytics, instructional design, information management, and computer network infrastructure. 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.
NewCyber Security Engineer - TS/SCI with Polygraph General Dynamics Information TechnologyCyber Security Engineer - TS/SCI with PolygraphHerndon, VirginiaThe successful candidate will have proven experience communicating effectively with a variety of business partners and customers and have a demonstrated capacity to develop effective interpersonal relationships; strong analytic and organization skills; self-starter attitude; the ability to work effectively and independently, with little direction; and the ability to prioritize and handle multiple tasks simultaneously. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.
Senior Systems Engineer Fantom CorporationSenior Systems EngineerFort Meade, MarylandEstablished in 2015, Fantom Corp serves Federal customers with top-notch Cybersecurity Architects, Data Scientists/Analysts, Software Engineers/Developers, DevSecOps Engineers, Project Managers, Identity, Credential Access Management (ICAM) services, and Cloud-certified practitioners. The ideal candidate has extensive experience supporting large-scale systems engineering initiatives involving DoD architectures, service-oriented architectures, systems integration, and technical program leadership.
Systems Engineer 3 M.C. Dean, IncSystems Engineer 3Tysons, Virginia$104,240–$130,300 / yearFull timeAs part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets. Strong engineering experience with the following core platforms and services: VMware ESXi and vSphere Microsoft Windows Server 2016 and 2019 Deployment and Administration Microsoft Windows 10 Deployment and Administration DNS, DFS, and DHCP Active Directory and defining, implementing, and maintaining.
Cyber Incident Manager III NewGen TechnologiesCyber Incident Manager IIIArlington, VirginiaKnowledge of system and application security threats and attack methods (e.g., buffer overflow, mobile code, cross-site scripting, PL/SQL and injections, race conditions, covert channel, replay, return- oriented attacks, and malicious code). Our Partner is support a US Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, bringing immediate investigation and resolution.
NewProgram Security Representative (PSR) II GD Information TechnologyProgram Security Representative (PSR) IISuitland, MarylandTo ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
NewActivity Security Representative (ASR) II ~ Washington, DC area GD Information TechnologyActivity Security Representative (ASR) II ~ Washington, DC areaChantilly, WashingtonTo ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
Cloud Security Process Lead Booz Allen HamiltonCloud Security Process LeadAshburn, VirginiaExperience defining security workflows, remediation processes, escalation paths, SOPs, playbooks and operating procedures, including remediation ownership, prioritization criteria, escalation timelines, exception processes, and performance metrics. Onsite : 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.
Electrical Equipment Technician T1/T2 (Nova Region) Dominion EnergyElectrical Equipment Technician T1/T2 (Nova Region)Herndon, VA$64,500–$83,800 / yearOther comparable disciplines may be substituted for the disciplines listed above; As an alternative to the above education requirements, the company is actively seeking United States military veterans and service members who meet the qualifications outline below: Total of 5 years of military experience that includes at least 1 year of military technical training/education, including on the job training, in electrical theory, AC/DC circuits, basic electrical principals and calculations, Ohms Law, Fault isolations, and multimeter applications. The knowledge, skills, abilities, and experiences that are required for entry into this job include the following: Electrical Equipment Technician T1: 0-1 years of relevant experience with required education set forth in the "Education Requirements" section of this posting.
Information Systems Security Officer LeidosInformation Systems Security OfficerAnnapolis Junction, MarylandMarch 12, 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.
Senior Information Systems Security Officer ISSO LeidosSenior Information Systems Security Officer ISSOAnnapolis Junction, MarylandAugust 5, 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.
Insider Threat Monitoring Analyst LeidosInsider Threat Monitoring AnalystAshburn, VirginiaThe Department of Homeland Security (DHS), Customs and Border Protection (CBP) Cyber Security Directorate (CSD) Security Operations Center (SOC) is a US Government program responsible to prevent, identify, contain and eradicate cyber threats to CBP networks through monitoring, intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN), commercial Internet connection, public facing websites, wireless, mobile/cellular, cloud, security devices, servers and workstations. As a member of this highly technical digital forensics team supporting U.S. Customs and Border Protection (CBP), you will be responsible for leading user activity monitoring activities, foreign service national monitoring, insider threat analysis, and investigating policy violations, data loss prevention (DLP) events, and sensitive data spillages.
Senior Storage Systems Engineer- 3649536 CTCSenior Storage Systems Engineer- 3649536Manassas, VirginiaCoordinate with client Management, staff, Project Managers, vendors, clients, customers, senior staff, information systems professionals, and non-technical users to support project execution, customer service, status reporting, and effective oral and written communication. Expert knowledge of Microsoft File NAS, including managing, modifying, applying, and troubleshooting share permissions, Windows NTFS folder and file permissions, ACLs, and access for Active Directory groups and users.
RMF Cybersecurity Engineer Booz Allen Hamilton Inc.RMF Cybersecurity EngineerFort Meade, MD$99,000–$225,000 / 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. Perform risk and vulnerability assessments in network, system, and application areas, and leverage big data analytics and traditional security event types to identify advanced threats or indicators of compromise.
Cross Domain Systems Engineer, Senior Booz Allen Hamilton Inc.Cross Domain Systems Engineer, SeniorWashington, DC$86,800–$198,000 / yearYou will lead efforts to plan, design, and implement cross-domain data flows, help users understand and define their data schemas, and help define and validate appropriate data handling and filtering policies. You will lead customer engagement to capture, define, and understand user and security requirements, decompose hardware, software, interface, and security control requirements, coordinate with stakeholders throughout system development and fielding activities, coordinate and plan system integration, and test and deployment.
Systems Engineer for Embedded Software Johns Hopkins Applied Physics LaboratorySystems Engineer for Embedded SoftwareLaurel, MarylandFull timeOur spacecraft technologies help our civilian space and national security space sponsors reason about multiple new technologies including space-based networking, machine learning, cyber security, and image recognition. This includes historic, science space firsts like New Horizons reaching Pluto, Parker Solar Probe being the first to “touch” the sun, and the DART mission that redirected an asteroid for planetary defense.
IAM Security Architect Accenture Federal ServicesIAM Security ArchitectWashington, DCThe pay range for the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland is: $126,300—$243,100 USD What We Believe As a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. As required by local law, Accenture Federal Services provides reasonable ranges of compensation for hired roles based on labor costs in the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland .
NewSECURITY SPECIALIST (SCI) U.S. Department of DefenseSECURITY SPECIALIST (SCI)Washington, DC$102,415–$133,142 / yearFor this position, qualifying experience is defined as: Executing personnel security protocols (e.g., clearance processing and adjudication support);or developing or managing a multi-faceted security program; or enforcing physical security measures to protect facilities and assets; or coordinating personnel security, physical security, and information security for a comprehensive program. Veterans Preference Documentation (if applicable): Candidates claiming Veterans Preference must submit a DD-214 (Member Copy 4), or, if you are CURRENTLY serving on active duty, a statement of service from your unit which states the date you entered on active duty, the date you are separating, and the campaign medals you have received.