NewAnti-Tamper (AT) Subject Matter Expert (Senior Engineer / SME), TS/SCI Blue Sky InnovatorsAnti-Tamper (AT) Subject Matter Expert (Senior Engineer / SME), TS/SCIWashington, DC$150,000–$250,000 / yearBlue Sky Innovators is seeking two highly experienced Anti-Tamper (AT) Subject Matter Experts to support the Anti-Tamper Executive Agent (ATEA) within SAF/AQL. If you are a qualified job seeker with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.blueskyinnovators.com as a result of your disability.
Principal Cybersecurity Engineer With Ts/Sci Poly Leidos Holdings Inc.Principal Cybersecurity Engineer With Ts/Sci PolyAnnapolis Junction, MD$154,050–$278,475 / yearThe 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.
ZERO TRUST (ZT) APPLICATION DEVELOPMENT SECURITY SME (VIRTUALIZATION AND APPLICATION DEVELOPMENT SME) Zermount, IncZERO TRUST (ZT) APPLICATION DEVELOPMENT SECURITY SME (VIRTUALIZATION AND APPLICATION DEVELOPMENT SME)Arlington, VAFull timeSUBJECT MATTER EXPERTISE SME Area #1 – Application Security, Cloud Workload Protection & DevSecOps AdvisoryExpert-level mastery of application security architecture including ZT application access control design, API security strategy, authorization gateway architecture, and DevSecOps integration demonstrated through operational implementation or senior advisory engagement in a federal or large enterprise environment. ZERO TRUST (ZT) APPLICATION DEVELOPMENT SECURITY SME POSITION OVERVIEWThe Zero Trust Virtualization / Application Development Technical SME exists to serve as the agency's primary technical advisor for the CISA ZTMM v2.0 Applications & Workloads pillar - the pillar responsible for extending ZT enforcement to the application layer across the agency's enterprise software portfolio.
NewSystem Engineer Varada ConsultingSystem EngineerLinthicum, MDPreferred Qualifications: Working knowledge of the DoD Information Network (DODIN), DoD IT system and network certification and accreditation processes (i.e., RMF), to include system security authorization agreements and current and emerging cybersecurity threats. This role involves evaluating vulnerabilities, translating threat intelligence into technical mitigations, and supporting C3I systems engineering efforts.
NewSenior Network Engineer (SME) Global Enterprise Services, LLCSenior Network Engineer (SME)Washington, DCGES is seeking a Senior Network Engineer (SME) to lead the design, implementation, and sustainment of secure enterprise network infrastructure supporting Pentagon operations. Design, configure, and maintain Cisco, Juniper, Aruba, and Stratix network devices.
5G Cyber Security Engineer (Active TS/SCI Clearance) Akima, LLC5G Cyber Security Engineer (Active TS/SCI Clearance)Fort Meade, Maryland$140,000–$150,000 / yearPrevents the compromise of privileged account credentials from cyberattacks, promote credential hygiene and cybersecurity best practices, while ensuring systems/services comply with DoD cybersecurity requirements. Develops 5G reference architecture Course of Action (COAs), including network slicing as a service (NSaaS), that showcase leveraging secure carrier networks to access the DoDIN.
Software Security Engineer- Cloud/Govcloud (Top Secret Cleared) ICF International, IncSoftware Security Engineer- Cloud/Govcloud (Top Secret Cleared)Reston, VARemote$81,499–$138,549 / yearPay Range- There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, geographic location, education and certifications as well as contract provisions regarding labor categories that are specific to the position. If you accept this position, you should note that ICF does monitor employee work locations and blocks access from foreign locations/foreign IP addresses and also prohibits personal VPN connections.
Principal Cloud Engineer Seneca HoldingsPrincipal Cloud EngineerChantilly, Virginia$135,000–$200,000 / yearThe Principal Cloud Engineer will leverage their strong technical background and knowledge to design, implement, and manage secure cloud infrastructures in support of mission-critical operations, with a strong focus on security monitoring and threat detection. Supporting AWS, Azure, Oracle, and GCP cloud services and infrastructure using Infrastructure as Code (IaC) tools such as Terraform or ARM templates.
Xcelerate Solutions Careers - Security Engineer Container Security - Secret Xcelerate SolutionsXcelerate Solutions Careers - Security Engineer Container Security - SecretAlexandria, VAThis strong commitment to our employees has been recognized by our inclusion on the Washington Business Journal's "50 Best Places to Work" list as well as being a "Great Place to Work" certified company with a 4.6 star, and a 99% CEO approval Glassdoor rating. Xcelerate Solutions is seeking a Security Engineer- Container Security to support Cyber Primes cybersecurity, privacy, records and information management, and related enterprise support for DHRA, including DMDC and OUSD(P&R).
Senior Engineer, Application Security CventSenior Engineer, Application SecurityTysons Corner, VirginiaFull timeLead the development of security agents and AI tooling — define the architecture for LLM-integrated workflows (via APIs and MCP connectors), set patterns for tool/function design, and decide build-vs-buy across the toolchain. This isn't someone who just uses AI tooling — it's someone who architects it: agentic systems that automate threat modeling end to end, AI-assisted vulnerability management, and self-serve security capabilities that change how an engineering org works.
Systems Engineer SME w/Poly GD Information TechnologySystems Engineer SME w/PolyHerndon, VirginiaTo 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.
Systems Engineer Azure Endpoint Management Career ListingsSystems Engineer Azure Endpoint ManagementFt Belvoir, VAFull timeThe ideal candidate is an experienced cloud engineer who thrives in fast-paced environments, enjoys solving complex technical challenges, and is capable of developing greenfield cloud solutions while collaborating with cross-functional engineering and cybersecurity teams. This position requires both strategic cloud architecture expertise and hands-on engineering experience in designing and deploying modern cloud infrastructure, endpoint management, and security solutions within highly secure enterprise environments.
Xcelerate Solutions Careers - Cyber Security Engineer - Ts/Sci Xcelerate SolutionsXcelerate Solutions Careers - Cyber Security Engineer - Ts/SciBethesda, MDMaintain application, network, and database scanning infrastructure (application/product updates, database maintenance, benchmark/audit files, application/server builds, rule pack/content updates, scanner, or agent deployment etc.). This strong commitment to our employees has been recognized by our inclusion on the Washington Business Journal's "50 Best Places to Work" list as well as being a "Great Place to Work" certified company with a 4.6 star, and a 99% CEO approval Glassdoor rating.
Information System Security Professionals Isso Isse Leidos Holdings Inc.Information System Security Professionals Isso IsseFort Meade, MD$131,300–$237,350 / yearOur 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. Apply system security engineering expertise in areas such as system security design, life cycle, risk management, and security testing, using industry system security engineering methodologies.
Senior Systems Engineer / Information Systems Security Officer (ISSO) CACISenior Systems Engineer / Information Systems Security Officer (ISSO)Fort Meade, MarylandPay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Join CACI as a Systems Engineer with an Information Systems Security Officer (ISSO) focus, where you will play a key role in ensuring the security, integrity, and reliability of mission‑critical systems.
Border Security Devops Engineer GuidehouseBorder Security Devops EngineerSterling, VANote that Guidehouse will never charge a fee or require a money transfer at any stage of the recruitment process and does not collect fees from educational institutions for participation in a recruitment event. What We Offer: Guidehouse offers a comprehensive, total rewards package that includes competitive compensation and a flexible benefits package that reflects our commitment to creating a diverse and supportive workplace.
Senior ServiceNow Software Development Engineer (Risk & Security) CACISenior ServiceNow Software Development Engineer (Risk & Security)Chantilly, Virginia$103,800–$218,100 / yearRequired Qualifications:Active TS/SCI Clearance with PolygraphA Bachelor’s Degree OR advanced degree in a related fieldA minimum of 5 years' technical experienceSecurity+ (or equivalent IAT Level II) is required, or be obtained within one month of startExcellent oral and written communication skillsExpert proficiency in GlideScripting, JavaScript, and AjaxDeep understanding of CMDB architecture and its relationship to Asset ManagementExperience working on complex ServiceNow projects where analysis of situations or data requires in-depth evaluationExperience with Security Data: Proven experience integrating data from at least one enterprise security source (e.g., SIEMs like Splunk/Sentinel, or Scanners like Tenable/Qualys/CrowdStrike) into the ServiceNow platform. Desired Qualifications:ServiceNow Certified System Administrator and Certified Application DeveloperFunctional Expertise: Proven experience implementing at least one major security suite:SecOps: Security Incident Response, Vulnerability Response, or Configuration ComplianceIRM/GRC: Policy & Compliance, Risk Management, or CAM (Continuous Authorization and Monitoring)Framework Knowledge: Technical familiarity with the NIST Risk Management Framework (RMF) or 800-53 controlsFamiliarity with Git-based development, Automated Test Framework (ATF), or Now Assist AI/ML integrationKnowledge of at least one operating system: Linux, Unix, Windows Strong technical background in Cloud Architecture.
Border Security AI/ML Engineer GuidehouseBorder Security AI/ML EngineerSterling, VirginiaNote that Guidehouse will never charge a fee or require a money transfer at any stage of the recruitment process and does not collect fees from educational institutions for participation in a recruitment event. Guidehouse offers a comprehensive, total rewards package that includes competitive compensation and a flexible benefits package that reflects our commitment to creating a diverse and supportive workplace.
Border Security DevOps Engineer GuidehouseBorder Security DevOps EngineerSterling, VirginiaNote that Guidehouse will never charge a fee or require a money transfer at any stage of the recruitment process and does not collect fees from educational institutions for participation in a recruitment event. Guidehouse offers a comprehensive, total rewards package that includes competitive compensation and a flexible benefits package that reflects our commitment to creating a diverse and supportive workplace.
Border Security Ai/Ml Engineer GuidehouseBorder Security Ai/Ml EngineerSterling, VANote that Guidehouse will never charge a fee or require a money transfer at any stage of the recruitment process and does not collect fees from educational institutions for participation in a recruitment event. What We Offer: Guidehouse offers a comprehensive, total rewards package that includes competitive compensation and a flexible benefits package that reflects our commitment to creating a diverse and supportive workplace.