PlanIT GroupNewIT- Cyber Security Architect/ Engineer III PlanIT GroupIT- Cyber Security Architect/ Engineer IIIFalls Church, VASecuring AI Workflows: Design security frameworks for the end-to-end AI lifecycle, including securing data ingestion, protecting model weights, and implementing "Guardrail" architectures for Large Language Models (LLMs). • AI-Enhanced Pipeline Security: Architect and maintain automated CI/CD pipelines that utilize AI/ML models for static and dynamic analysis (SAST/DAST) to identify complex vulnerabilities that traditional rule-based tools miss.
LeidosNewCyber Operations Watch Specialist LeidosCyber Operations Watch SpecialistOdenton, MD$87,100–$157,450GSM-O II enables Current Operations Command, Control, and defensive cyber operations (DCO) functions across all - Combatant Commands, Service Cyber Components, Agencies, and Field Activities’ (CC/S/A/FAs) Area of Operations (AOs) in addition to 24/7 coordination with USCYBERCOM and other partner agencies. Support various collaborative and cross functional (Intelligence, Current Operations, Future Operations, Logistics, Planning, Resourcing and Requirements) forums to achieve centrally coordinated, threat informed and prioritized vulnerability scoring and mitigation methodology.
In-Q-TelNewTechnology Architect - Cyber In-Q-TelTechnology Architect - CyberMcLean, VADemonstrated expertise in one or more of the following fields: secure software development, embedded systems security, cryptography, vulnerability assessment, endpoint security, network security, cloud security, and malware analysis. This position will work closely with IQT’s government partners to understand their technology challenges and use their mastery of technology to investigate and recommend potential solutions from the venture-backed startup landscape.
Aminov Search PartnersNewCryptologic Cyber Planner Aminov Search PartnersCryptologic Cyber PlannerColumbia, MD$135,000–$135,000 / yearWe are looking for a dedicated professional to drive the development and integration of cyber operational strategies within high-security environments. Qualifications: • Proven track record supporting missions for the NSA, Intelligence Community, or Department of Defense.
LeidosNewCyber Operations Planning SME LeidosCyber Operations Planning SMEOdenton, MD$154,050–$278,475Bachelor's degree in a relevant technical discipline and 15 years of overall related experience in military operational planning, with a proven track record of success in a joint, multi-domain environment or Master’s degree with 10 years of prior relevant experience. Compose and disseminate orders and directives (OPORDs, FRAGORDs, etc.) that address complex policy and doctrinal issues, such as dual chains of command, and direct maneuver and effects across National, Joint, and internal operational environments.
LeidosNewMCCC Cyber Compliance Officer LeidosMCCC Cyber Compliance OfficerCamp Springs, MD$73,450–$132,775The successful candidate will assist the Government staff by providing situational awareness of Air Force District of Washington (AFDW) unique functional systems, availability, base communications squadron network events, compliance against orders, and the status of network taskings. Advises the AFDW/CC, AFDW/A3/5/6, and 844 CG/CC on completion of cyber orders or inability to complete assigned tasks pertaining to AFNET, PMO, and AFDW-unique systems as required/directed by the AFDW/CC or delegated authority.
American Public Power AssociationNewSecurity Program Senior Manager American Public Power AssociationSecurity Program Senior ManagerArlington, VAGlobal Industrial Cyber Security Professional (GICSP), GIAC Critical Infrastructure Protection (GCIP), GIAC Response and Industrial Defense (GRID), (ISC)2 Certified Information Systems Security Professional (CISSP), Certified Operational Technology Cybersecurity Professional (TÜV) or similar cyber security certifications preferred. As part of our strategic plan, we aim to assist members in meeting workforce challenges-including attracting and retaining a diverse, equitable, and inclusive workplace culture-through offering educational programs, developing resources, and serving as a platform for the public power community to exchange ideas and best practices.
Active Security Consulting LLCNewElectronic Security Project Engineer Active Security Consulting LLCElectronic Security Project EngineerSterling, VAActive Security designs, develops, implements, and sustains advanced C5ISR and security solutions to enhance defense and mission capabilities, addressing threats across physical, electronic, cyber, and communications security for commercial and U.S. Government clients. The Project Engineer works closely with project managers, field technicians, and clients to coordinate activities, resolve technical challenges, and maintain project momentum.
Gables Search GroupCryptologic Cyber Planner - ( TS/SCI FS Poly Required) Gables Search GroupCryptologic Cyber Planner - ( TS/SCI FS Poly Required)Columbia, MD$135,000–$145,000We are seeking a Cryptologic Cyber Planner to develop and integrate cyber operational planning strategies within secure environments. This role supports strategic and operational cyber planning aligned with FTC4 mission needs.
LeidosNewFederal Business Development Leader - Cyber Growth for CISA/DHS LeidosFederal Business Development Leader - Cyber Growth for CISA/DHSReston, VA$154,050–$278,475The selected candidate will operate as part of the Homeland Growth Engine — integrating account strategy, capture discipline, competitive positioning, and executive engagement to materially increase pipeline quality, win probability (Pwin), and revenue growth across the DHS cyber portfolio. February 24, 2026For 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.
LeidosNewCyber Support Center (CySC) Director of Operations LeidosCyber Support Center (CySC) Director of OperationsCamp Springs, MD$116,350–$210,325BS degree and 12+ years of prior relevant experience or a Masters degree and 10+ years of prior relevant experience, additional years of experience, certifications, specific Air Force IT systems experience accepted in lieu of a degree. The CySC Director of Operations works directly for the CySC Manager and Government Service Owners to deliver top-notch customer service and respond to the dynamic needs of the user base to meet the diverse missions of the Air Force in the NCR.
Active Security Consulting LLCNewLead Security Systems Technician Active Security Consulting LLCLead Security Systems TechnicianDulles, VAActive Security designs, develops, implements, and sustains advanced C5ISR and security solutions to enhance defense and mission capabilities, addressing threats across physical, electronic, cyber, and communications security for commercial and U.S. Government clients. Technical Leadership: Perform complex troubleshooting and diagnostics, including advanced programming and system integration tasks, independently and collaboratively resolving complex issues on-site.
Active Security Consulting LLCNewService Technician – Electronic Security Systems Active Security Consulting LLCService Technician – Electronic Security SystemsSterling, VACustomer Site Ownership: Serve as the primary service technician for designated client sites, maintaining regular scheduled on-site service hours and ensuring systems remain operational, compliant, and properly maintained. Requirements:Responsibilities: System Maintenance & Service Support: Perform advanced diagnostics, repairs, and preventive maintenance on integrated security systems including access control, video surveillance, intrusion detection, and supporting infrastructure to ensure reliable system performance.
LeidosNewLead Security Engineer with TS/SCI Poly LeidosLead Security Engineer with TS/SCI PolyAnnapolis Junction, MD$154,050–$278,475The selected individual will lead all security engineering efforts for a large, complex network environment with geographically distributed systems; and will manage a team of Information Systems Security Officers (ISSOs) and Information Systems Security Engineers (ISSEs), providing technical leadership and direction to meet program requirements. At least twelve years of experience with defense-in-depth principals/technology (including access control, authorization, identification and authentication, public key infrastructure, network and enterprise security architecture) and applying risk assessment methodology to system development.
Dunhill SolutionsSOC Analyst Dunhill SolutionsSOC AnalystBethesda, MD$100,000–$120,000 / yearFull timeUtilize various security tools like Tenable Security Center, Splunk, MS Defender, SEIM, Symantec DLP, Netsparker, Penetration Testing, Service Now, Web Application Security, Data Loss Prevention, Incident Response, Forensics, Security Tool Evaluation, and Endpoint Protection (Cylance). Bachelor’s or Master’s Degree in Information Technology or related disciplines; or have equivalent and direct experience with the management, operation, and direction of a network and/or security operations center.
CredenceNewSenior Google AI Engineer CredenceSenior Google AI EngineerMcLean, VAArchitect and deliver end‑to‑end AI/ML solutions on Google Cloud using Vertex AI (Workbench, Pipelines, Training, Model Registry, Online/Batch Prediction, Feature Store, Model Monitoring) and Gemini/LLM services—optimized for performance, cost, and maintainability. Proven experience architecting robust data ingestion, processing, and transformation workflows using Dataflow, Data Fusion, Dataproc, BigQuery, and Looker and integrating these platforms with Vertex AI for model training, deployment, and inference.
MANTECHNewCNO Reverse Engineer MANTECHCNO Reverse EngineerHanover, MDIn this role, you will contribute to the development of mission-critical cyber capabilities, drive excellence in CNO development and lead efforts in advanced Computer Network Operations (CNO). Perform Reverse Engineering of Hardware Components and Software Applications to design and develop new bleeding edge CNO software.
LeidosNewSenior Migration Architect LeidosSenior Migration ArchitectAlexandria, VA$92,300–$166,850If 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. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
MANTECHNewLinux Engineer MANTECHLinux EngineerQuantico, VABachelor’s degree and minimum of 4 years of experience working with Red Hat Enterprise Linux 7.X, 8.X, 9.X with a strong command-line interface (CLI) skillset (additional 2 years of experience may be substituted in lieu of degree). The Linux Engineer will maintain, update, and secure existing Linux systems on both classified and unclassified networks in support of Cyber investigations and operations.
LeidosNewCloud Operations Manager LeidosCloud Operations ManagerAlexandria, VA$92,300–$166,850April 25, 2026For 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.
LeidosNewISSO LeidosISSOAlexandria, VA$107,900–$195,050will assist with tracking, documenting, and remediating vulnerabilities identified by the customer’s Cyber Security division and direct remediation efforts for system administrator staff, provide status updates to government and program leadership, and update relevant RMF packages as required. NIST, RMF, Common Criteria, DoD, and Intelligence Community Directives (ICDs)) and works to mitigate risks by applying security controls effectively to maintain an acceptable degree of operational risk across multiple enclaves in an enterprise environment.
LeidosNewSenior Cybersecurity Engineer LeidosSenior Cybersecurity EngineerLorton, VA$131,300–$237,350If 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. Motivated self-starter with strong written and verbal communication skills for collaborating with technical and non-technical stakeholders, and the ability to create complex technical reports on analytic finding .
Chinook SystemsElectrical Engineer Chinook SystemsElectrical EngineerArlington, VA$120,000–$170,000 / yearIf you have a strong background in Electrical engineering, with a particular focus on power generators, uninterruptible power supplies, life safety/emergency/mission critical power distribution, electric vehicle (EV) infrastructure, and other electrical equipment and system, we want to hear from you. Conduct surveys of existing areas and facilities, conduct design reviews, conduct code compliance inspections, witness code required testing, assist in code development and implementation, and execute small systems designs.
LeidosNewInsider Threat / UAM Analyst LeidosInsider Threat / UAM AnalystAlexandria, VA$107,900–$195,050If 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. •Demonstrated understanding of the life cycle of cybersecurity threats (internal and external), attacks, attack vectors and methods of exploitation with an understanding of intrusion set tactics, techniques and procedures (TTPs).
LeidosNewISSO CTO LeidosISSO CTOAshburn, VA$131,300–$237,350Ensure that assigned systems are operated, maintained, and disposed of in accordance with applicable policies and procedures NIST SP 800-37, Rev 2, Risk Management Framework for Information Systems and Organizations: A System Life Cycle Approach for Security and Privacy, DHS 4300A Policy and Handbook, CBP Information Systems Security Policies and Procedures Handbook (HB 1400-05D), and internal CBP (i.e., Office of Information Technology, Security Operations Division, etc.) security policies and practices . Develop, review, maintain, and provide system security documentation for assigned systems, including System Security Plans, Interconnection Security Agreements, Contingency Plans, Plans of Action and Milestones, (POA&M), Waivers, and Exceptions through the DHS FISMA system management tool in use to implement and manage the NIST Risk Management Framework.
LeidosNewChief Software Architect (CSA) LeidosChief Software Architect (CSA)Reston, VA$154,050–$278,475The CSA will partner with the Sector and BA CTOs, AI Lead, Solution Architects, and the Sector’s community of developers to architect and deliver platform-based, reusable, and composable software ecosystems that accelerate mission outcomes and differentiate Leidos in the Intelligence Community. The CSA will support Growth, Capture, and Customer Engagement by serving as the lead software architect for priority captures and proposals, including shaping differentiated, architecture-led solutions and defining technical baselines and solution roadmaps.
LeidosNewSenior Software Engineer LeidosSenior Software EngineerGaithersburg, MD$107,900–$195,050Leidos National Security 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. Leidos Intel 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.
LeidosNewPrincipal Software Engineer (SWE-4) LeidosPrincipal Software Engineer (SWE-4)Annapolis Junction, MD$131,300–$237,350Our 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. Seeking an experienced and talented software developer to join an existing team that develops and manages software products and tools integral to discovering new mobile data related to the mission.
Company ConfidentialCyber Tools Administrator - Majestic Company ConfidentialCyber Tools Administrator - MajesticFort Belvoir, VA$85,018–$160,000Full timeImplementing and maintaining the organization's cybersecurity toolsets, such as endpoint security solutions (ESS), malware protection, network detection & response (NDR), and endpoint detection & response (EDR) . As a Cyber Tools Administrator, you'll play a pivotal role in protecting our digital assets and strengthening our security posture through proactive monitoring, analysis, and implementation of cutting-edge security solutions.
Company ConfidentialCyber Hunt Analyst (Hybrid) - 27591 Company ConfidentialCyber Hunt Analyst (Hybrid) - 27591Fort Meade, MDFull timeEnlighten is looking for a Cyber Hunt Analyst with Data Science experience to apply strong cyber security, Defensive Cyber Operations (DCO), and networking domain knowledge to support cyber analytics product development, threat analysis, statistical analysis, model development, and direct customer mission support. 5+ years experience in cyber security operations related fields with Bachelors in Information Technology, Cyber Security or related field; 3 years relevant experience with Masters in realted field; or High School Diploma or equivalent and 9 years relevant experience.
Company ConfidentialCyber Engineer - 27644 Company ConfidentialCyber Engineer - 27644Annapolis Junction, MD$128,887–$175,000Full time9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience. HII Mission Technologies has a need for a Cyber Engineer who will be responsible for guiding systems through the full Risk Management Framework (RMF) lifecycle and ensuring all security controls are properly designed, implemented, documented, and assessed.
Company ConfidentialCyber Software Engineer Company ConfidentialCyber Software EngineerAnnapolis Junction, MD$130,000–$180,000Full time5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners.
Company ConfidentialCyber Network Analysis Tech, Majestic Company ConfidentialCyber Network Analysis Tech, MajesticFort Belvoir, VA$73,193–$189,985Full timeAs a Cyber Network Analyst, you'll play a pivotal role in protecting our digital assets and strengthening our security posture through proactive monitoring, analysis, and implementation of cutting-edge security solutions. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners.
Company ConfidentialCyber Architect, Majestic Company ConfidentialCyber Architect, MajesticFort Belvoir, VA$89,120–$130,000Full timeEnsure system security needs established and maintained for operations development, security requirements definition, security risk assessment, systems analysis, systems design, security test and evaluation, certification and accreditation, systems hardening, vulnerability testing and scanning, incident response, disaster recovery, and business continuity planning and provides analytical support for security policy development and analysis. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners.
Company ConfidentialCyber Product Trainer (Hybrid) - 26419 Company ConfidentialCyber Product Trainer (Hybrid) - 26419Columbia, MDFull timeEnlighten, honored as a Top Workplace from USA Today, is a leader in big data solution development and deployment, with expertise in cloud-based services, software and systems engineering, cyber capabilities, and data science. Develop engaging training materials in a variety of formats including web-based training, videos, slides, instructor/participant guides, knowledge checks, practical exercises/labs, use cases and best practices.
Company ConfidentialInformation Systems Security Manager ISSM (Engineer Info Assurance 5) Company ConfidentialInformation Systems Security Manager ISSM (Engineer Info Assurance 5)Fairfax, VA$153,605–$184,124Full timeHII - Mission Technologies is currently seeking a SME Information System Security Manager (ISSM) to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • 15 years relevant experience with Bachelors in related field; 13 years relevant experience with Masters in related field; 10 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 19 years relevant experience.
Company ConfidentialInformation System Security Officer (Engineer Info Assurance 4) Company ConfidentialInformation System Security Officer (Engineer Info Assurance 4)Fairfax, VA$128,887–$184,124Full timeHII - Mission Technologies is currently seeking a Senior Information System Security Officer (ISSO) to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • 10 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience.
Company ConfidentialComputer/Network Security Systems Specialist (Lead) Company ConfidentialComputer/Network Security Systems Specialist (Lead)Fort Belvoir, VA$106,681–$246,980Full timeWill analyze site survey reports, recommend network modernization upgrades, craft network architectures, and assist operations leads in creating deployment plans and executing capability roll outs. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.
Company ConfidentialContract Program Security Officer Company ConfidentialContract Program Security OfficerWashington, DC$53,937–$114,395Full timeThe CSPO, as the liaison, must effectively communicate with senior leaders and be knowledgeable of all security pillars: Physical security, Industrial Security, Information Security, personnel security, and Cyber Security; Development of Program Protection Plans, OPSEC Plans, SOPS, SSAs and Transportation plans. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.
Company ConfidentialCognizant/Alternate Cognizant Security Officer Company ConfidentialCognizant/Alternate Cognizant Security OfficerSuitland, MD$53,937–$114,395Full timeOur capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.
Company ConfidentialSenior IaC Engineer (Computer Sys Security Anlyst 5) Company ConfidentialSenior IaC Engineer (Computer Sys Security Anlyst 5)Fairfax, VA$149,168–$184,124Full timeHII - Mission Technologies is currently seeking Senior-level IaC Engineer to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platformdesigned to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • Designs and implements automated cloud architectures using Terraform, Ansible, and CloudFormation to support system administration, release management, cybersecurity controls, and continuous integration pipelines across multiple operational enclaves.
Company ConfidentialCloud Security Engineer (Cloud Engineer 3) Company ConfidentialCloud Security Engineer (Cloud Engineer 3)Fairfax, VA$115,199–$164,570Full timeHII - Mission Technologies is currently seeking an Intermediate-level Cloud Security Engineer to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • Conducts patch management operations across Advana cloud enclaves by operating vulnerability scanning workflows, identifying required updates, tracking patch applicability, and automating deployment actions aligned with Department of Defense patching directives supporting Joint Staff elements and mission-owner communities.
Company ConfidentialIaC Engineer (Computer Sys Security Anlyst 3) Company ConfidentialIaC Engineer (Computer Sys Security Anlyst 3)Fairfax, VA$104,336–$149,052Full timeHII - Mission Technologies is currently seeking Intermediate-level IaC Engineer to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platformdesigned to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. "• 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience.
Company ConfidentialJr. Contract Security Program Officer (CSPO) Company ConfidentialJr. Contract Security Program Officer (CSPO)Washington, DC$59,023–$85,000Full timeThe CSPO, as the liaison, must effectively communicate with senior leaders and be knowledgeable of all security pillars: Physical security, Industrial Security, Information Security, personnel security, and Cyber Security; Development of Program Protection Plans, OPSEC Plans, SOPS, SSAs and Transportation plans. Industrial Security Analyst 2 : 3 years relevant experience with Bachelors in related field; 1 year relevant experience with Masters in related field; or High School Diploma or equivalent and 7 years relevant experience.