NewInformation Systems Security Engineer MarkonInformation Systems Security EngineerAnnapolis Junction, Maryland$185,000–$225,000 / yearFull timeThis role integrates system security engineering with hands-on IT deployment, so the ideal candidate reasons fluently about NIST 800-53 control implementation and the RMF authorization lifecycle while remaining comfortable standing up containerized infrastructure in the customer environment. The Information Systems Security Engineer (ISSE) serves as the on-site technical lead responsible for deploying, maintaining, and supporting a customer's TECTIX instance while supporting the security engineering and authorization workload the platform is built to accelerate.
Security Admin - TS/SCI CI Poly Tenica and Associates LLCSecurity Admin - TS/SCI CI PolyChantilly, VAConduct Defense Central Index of Investigations (DCII), Joint Personnel Access System (JPAS), and SAPNP reviews of candidates being submitted for SAP access. The security administrative specialist's primary function is to provide multi-disciplined security support to a customer's facility and organization.
Data Center Physical Security Systems Engineer OpenAI LLCData Center Physical Security Systems EngineerDCFor unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. As OpenAI's global compute footprint continues to expand, this role will partner closely with infrastructure engineering, hardware operations, networking, and regional operations teams to design and deploy scalable security architectures across a diverse portfolio of data center environments.
NewINFORMATION SYSTEM SECURITY MANAGER (ISSM) Marine Corps Community ServicesINFORMATION SYSTEM SECURITY MANAGER (ISSM)VASkill in applying security controls, analyzing traffic to identify network devices, conducting application vulnerability assessments, assessing security systems designs, interpreting vulnerability scanner results to identify vulnerabilities, assessing cloud security measures and microservices, preparing Test & Evaluation reports, and running Security Content Automation Protocol (SCAP) content and Security Technical Implementation Guides (STIGS) based tools for benchmark, compliance checks, and security configuration reviews. Ability to identify systemic security issues based on the analysis of vulnerability and configuration data, apply cybersecurity and privacy principles to organizational requirements (relevant to confidentiality, integrity, availability, authentication, non-repudiation), conduct vulnerability scans and recognize vulnerabilities in security systems, and translate data and test results into evaluative conclusions.
Information Systems Security Engineer (ISSE) - SME/Cloud-based, Senior Advisor - TS/SCI w/poly PeratonInformation Systems Security Engineer (ISSE) - SME/Cloud-based, Senior Advisor - TS/SCI w/polyWashington, D.C.$176,000–$282,000 / yearFull timeBenefits: Peraton offers enhanced benefits to employees supporting 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 eligibility to participate in an attractive bonus plan. Serve as a principal technical advisor on cybersecurity, bringing subject-matter expertise to risk analysis, incident response, system remediation, and audit support efforts.
Information System Security Officer (ISSO) PeratonInformation System Security Officer (ISSO)Laurel, Maryland$104,000–$166,000 / yearFull timeYou will own day-to-day security operations aligned to RMF, drive continuous monitoring, maintain ATO posture, and partner closely with subcontractor and customer personnel to ensure implementation and compliance. Responsibilities: Peraton Labs is seeking a poly cleared Information System Security Officer for a mission-critical, highly complex HPC environment enabling research across multiple security domains.
Boeing Summer 2027 Internship Program (Paid) - Security & Fire Operation (S&FO) The Boeing CoBoeing Summer 2027 Internship Program (Paid) - Security & Fire Operation (S&FO)Herndon, VA$44,000–$89,000 / yearThe Boeing Security & Fire Operations (S&FO) is seeking talented, forward-thinking students ready to join our energetic team, gaining hands-on experience across corporate site security, aviation security, emergency preparedness, business resilience, and fire protection engineering. The Boeing Company also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work.
Information System Security Officer (ISSO) Peraton IncInformation System Security Officer (ISSO)Laurel, MD$104,000–$166,000 / yearYou will own day-to-day security operations aligned to RMF, drive continuous monitoring, maintain ATO posture, and partner closely with subcontractor and customer personnel to ensure implementation and compliance. As the worlds leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies.
NewPega Platform Systems Administrator Technatomy CorporationPega Platform Systems AdministratorFairfax, VAFull timeWe are seeking an experienced Pega Platform Systems Administrator to maintain secure, available, observable, and release-ready Pega environments supporting an enterprise Department of Veterans Affairs solution. The role manages platform administration, access, monitoring, capacity, environment health, deployment support, audit reporting, continuity coordination, and operational documentation across production and non-production environments.
Top Secret | Systems Network Engineer (DoS) ConcerasTop Secret | Systems Network Engineer (DoS)DCFull timeRequired Education & Experience: Bachelor’s degree in computer science, computer engineering, or a related discipline and at least 5 years of relevant experience; or a master’s degree and at least 3 years of experience. Familiarity with the Department of State environment, including data and voice networks, IT security systems, policies, and procedures; knowledge of Foreign Affairs Handbooks (FAHs) and Foreign Affairs Manuals (FAMs).
Project Leader (Electronic Security) Zp Group LlcProject Leader (Electronic Security)Mclean, VA$100,000–$140,000 / yearRequired Qualifications for the Project Leader: 5+ years of experience in construction specific to Telecommunications & Security Systems with a Bachelor's Degree in Engineering Science, Information Technology, Construction Management, or Engineering discipline. Minimum 4+ years of experience & established knowledge in complex markets on projects specific to Federal Aviation, & Government Airports, Higher-Education, Information Transit Systems.
Industrial Security Specialist SeekrIndustrial Security SpecialistReston, VirginiaAvailable across cloud, on-premises, and edge environments, SeekrFlow reduces bias, strengthens data integrity, and simplifies model oversight so organizations can rely on trusted AI decisions in high-stakes settings that impact society’s most sensitive and vital systems. Trusted by leading enterprises and government agencies, we partner with defense, finance, telecom, and critical infrastructure leaders to enable AI solutions that drive real-world results with unmatched transparency and control.
Senior Information System Security Officer CACI International Inc.Senior Information System Security OfficerSpringfield, VA$120,800–$265,800 / yearDesired: - Previous DHS or DoD experience with classified systems- Experience with Supply Chain Risk Management for classified networks- Must have one of the following Information Assurance Technician (IAT) Level III qualifications:- Certified Information System Security Professional (CISSP)- Certified Information Security Manager (CISM)- CompTIA Advanced Security Practitioner (CASP+)- Experience with CSAM, RegScale, eMASS, or similar GRC tools in classified environments- Knowledge of Intelligence Community Directive (ICD) 503 and related requirements- Experience supporting emergency operations or disaster response missions- Strong communication skills. The Senior ISSO will ensure proper access controls are implemented for system access, track and suggest technologies, processes, and practices designed to protect networks, devices, programs, and data from malicious attack, damage, or unauthorized access, and research and maintain proficiency in tools, techniques, countermeasures, and trends in computer and network vulnerabilities, data hiding, and network and device security and encryption.
ZERO TRUST (ZT) APPLICATION DEVELOPMENT SECURITY SME (VIRTUALIZATION AND APPLICATION DEVELOPMENT SME) Hiring Our HeroesZERO 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.
Systems Integrator (SME) - $184K – $204K RCT SystemsSystems Integrator (SME) - $184K – $204KReston, VirginiaSenior systems integration role focused on Identity & Access Management (IAM), digital access-control policy, data governance, and Zero Trust. The person will translate legal, security, and governance requirements into practical technical workflows that enforce least-privilege access.
Junior Systems Administrator AkimaJunior Systems AdministratorAlexandria, VAstrong>For our government customers, Tuvli ensures that solutions are strictly aligned with agency processes and desired program outcomes while delivering the best value for technology investments. + Deploy, manage, maintain, and support Microsoft Windows (all versions), Active Directory, local applications, servers, workstations and related technologies.
Systems Administrator ManTechSystems AdministratorLinthicum Heights, MDOccasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and/or virtual communication, which may involve delivering presentations. You will be responsible for the installation, configuration, and maintenance of cryptographic hardware and software solutions, ensuring compliance with industry regulations and safeguarding sensitive data for the Department of Defense and the Community.
Security Control Assessor PeratonSecurity Control AssessorLinthicum, Maryland$135,000–$216,000 / yearFull timeKnowledge of system and application security threats and vulnerabilities (e.g., buffer overflow, mobile code, cross-site scripting, Procedural Language/Structured Query Language [PL/SQL] and injections, race conditions, covert channel, replay, returnoriented attacks, malicious code). Responsibilities: Peraton is seeking a Security Control Assessor in our Linthicum, MD office in support of our Department of Defense (DoD) customer as part of a highly talented, highly motivated, and high-performing team.
Sales Engineer Kastle SystemsSales EngineerFalls Church, Virginia$90,000–$105,000 / yearSkills and experience with installing, managing, programming, and troubleshooting: web-based access control systems, video management systems, IP cameras, NVRs, visitor management systems, and physical security system components (i.e. electrified locks, badge readers, intrusion sensors, etc.). Sales Engineers at Kastle Systems design, quote, and support the Sales and Project Management teams for electronic security system infrastructure that keeps Kastle System’s clients safe.
NewSecurity Analyst - CPE Ground JANUS Research GroupSecurity Analyst - CPE GroundFort Belvoir, VA$75,000–$85,000 / yearAudits, processes, and tracks access provisioning requests via DD Form 2875 System Access requests utilizing automated frameworks like Identity, Credential, and Access Management (ICAM) and the Army Enterprise Systems Integration Program (AESIP). This role is responsible for processing workforce compliance pipelines, navigating specialized defense tracking networks, and delivering data-driven metrics to senior leadership within the Acquisition and Enterprise Support Directorate.