Senior Systems Infrastructure Engineer & Architect (Enterprise Mission Systems SME) Virginia Tech Applied Research CorpSenior Systems Infrastructure Engineer & Architect (Enterprise Mission Systems SME)Arlington, VAPosition Overview: VT-ARC is seeking a Senior Systems Infrastructure Engineer & Architect (Enterprise Mission Systems SME) to support enterprise systems engineering, secure infrastructure modernization, classified enclave implementation, and operational transition for mission-critical enterprise communications, network modernization, and cyber programs within TS/SCI environments. The selected candidate will design, implement, and sustain secure enterprise systems capabilities across Windows, Linux, virtualization, directory services, DNS/DHCP/NTP, PKI/certificates, storage, backup and recovery, monitoring, patching, configuration management, and automation.
National Industrial Security Program Security Specialist Axient LLCNational Industrial Security Program Security SpecialistColumbia, MD$78,000–$100,000 / yearAstrion has an exciting opportunity for an experienced Security Specialist to be assist the FSO and CSSO in administering the location's National Industrial Security Programs and ensuring compliance with the 32 CFR, Part 119, NISPOM. Security education and training: Conduct or coordinate initial security briefings, annual refresher training, debriefings, insider-threat awareness, reporting requirements, and other required training.
Senior Cloud & Security Engineer UnacastSenior Cloud & Security EngineerAshburn, VARemote$130,000–$170,000 / yearAs AI tools become embedded in engineering workflows, this role will support Unacast's responsible adoption of AI by helping define approved tools, appropriate use of company and customer data, and guardrails to protect against data leakage, prompt injection, and other AI- specific risks. Educate engineering and non-technical teams on safe AI practices, including prompt hygiene, awareness of prompt injection and data exfiltration risks, and secure use of agentic tools perform actions within company systems.
NewIT - Systems Engineer II PlanIT GroupIT - Systems Engineer IIWashington, DCThe selected candidate needs to have the necessary skills to provide technical assistance at the customer's physical premises to install, move, troubleshoot, repair, modify, and assist with any issue that may arise with telecommunications and related equipment, wiring, circuits, connections, as well as supporting networking and telephone/data communication services. Responsibilities: Overseeing the day-to-day activities related to installation, verification and maintenance of telecommunications equipment, network ports, ethernet and optical Fiber cabling, IP networks.
Information System Security Officer ManTechInformation System Security OfficerFort Washington, 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. + Lead the design, development and delivery of compliance and analytical software tools for Air Force Combatant Commands, OUSDI and PREM, and EMSO programs.
Senior Information System Security Engineer ManTechSenior Information System Security EngineerWashington, DCHold at least one of the following certifications: Certified Information Systems Security Professional (CISSP) (or Associate), CompTIA Advanced Security Practitioner (CASP) CE, Certified Secure Software Lifecycle Professional (CSSLP), CISSP- Information System Security Engineering Professional (ISSEP), Certified Information Security Manager (CISM), or CISSP- Information System Security Architecture Professional (ISSAP). + Knowledge of federal cybersecurity directives and frameworks, including CISA Emergency Directives (EDs), Binding Operational Directives (BODs), and DOJ Vulnerability Patch Requirements (VPRs).
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 Engineer - (Expert) Allen Integrated SolutionsSystems Engineer - (Expert)Springfield, VAThis role applies to a multi-disciplinary approach to the development, integration, and sustainment of space-based capabilities within Controlled Access Programs (CAPs) and Special Access Programs (SAPs) across the National System for Geospatial Intelligence (NSG) and the Department of Defense/Intelligence Community (DoD/IC). The engineer will engage in activities including requirements engineering, solutions development, systems reliability and resiliency, services deployment, research and development (R&D), systems integration, test and evaluation (T&E), and maintainability analysis.
Oracle Cloud Security & Configuration Lead Digital Management LLCOracle Cloud Security & Configuration LeadWashington, DCThis role ensures that security best practices are embedded throughout the cloud lifecycle-from design and deployment to operations and monitoring-while enabling scalable and compliant cloud adoption to support Enterprise applications, ERP, HCM, EPM, EDM, and supporting migration from on-prem to Oracle Cloud. With a focus on end-to-end managed IT services, including managed mobility, cloud, cybersecurity, network operations, and application development, DMI supports public sector agencies and commercial enterprises around the globe.
Technical Program Manager - Security Clearance Required Virtru CorpTechnical Program Manager - Security Clearance RequiredWashington, DC$170,000–$220,000 / yearCollaborating across Virtru's engineering, product, security, and delivery teams, you will manage schedules, mitigate risks, ensure compliance (e.g., FedRAMP, NIST, CMMC), and consistently exceed client expectations-delivering mission-critical encryption, policy enforcement, and secure sharing capabilities on time and within scope. Experience leading Agile/hybrid projects for mission-critical deliverables: requirements gathering, technical roadmapping, risk/issue resolution, dependency management, and on-time/on-budget execution in cross-functional teams (engineers, security, partners).
Weapon Control Analyst/Engineer, Shipboard Systems Group Johns Hopkins University Applied Physics Laboratory LLCWeapon Control Analyst/Engineer, Shipboard Systems GroupLaurel, MDWe are seeking a current or former Trident II D5 Strategic Weapon System (SWS) operator to serve as a Subject Matter Expert (SME) on a cross-disciplinary team dedicated to supporting the Navy and warfighter through system analysis and virtual trainer development. Do you love the idea of designing immersive training systems that train sailors to operate the weapon system, while also analyzing data to ensure it continues performing at peak efficiency?.
Mission Critical Cyber Security/Isso Opportunity - Ts/Sci W/ Poly Required Leading Path ConsultingMission Critical Cyber Security/Isso Opportunity - Ts/Sci W/ Poly RequiredMcLean, VAThe successful candidate will have requisite cyber security experience with methods and tools used to improve the security posture of critical systems such as identifying risks, vulnerabilities, anomalies, patching, auditing, automation, security hardening, best practices, and evaluating system changes. Applied experience with open-source and commercial tools and systems such as nmap, Nessus, Rapid7, Splunk, Nipper, Elasticsearch, Jira, Confluence, Cisco, VMware, Citrix, or Trellix, as well as GOTS tools used by the customer.
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).
Senior Cyber Security Engineer Howard University HospitalSenior Cyber Security EngineerWashington, DC$145,000–$165,000 / yearAs a mission-driven healthcare organization, Howard University Hospital relies on secure, resilient, and high-performing technology systems to support patient care, clinical operations, and enterprise services. Working across on-premises, hybrid, and cloud environments, the Senior Cybersecurity Engineer helps ensure the hospital’s technology environment remains secure, compliant, and resilient against emerging threats.
Security 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.
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.
Information System Security Officer Applied Information SciencesInformation System Security OfficerWashingtonYou’ll work on projects that matter, alongside industry-leading experts, in an environment that fosters innovation, driving client success, and empowering our team to make a lasting impact. Teamwork & Communication: Leads and mentors teams, aligns efforts with organizational goals, manages performance, and develops training programs.
Information System Security Engineer (Isse) TLA-LLCInformation System Security Engineer (Isse)McLean, VAExperience: A minimum of 5-8 years of experience in information security engineering, system administration, and/or cybersecurity, with hands-on experience in implementing security controls and supporting authorization processes. · Collaboration and Guidance: Serve as a subject matter expert, providing guidance to development, engineering, and program teams on secure design, development, and secure coding techniques.
Information System Security Engineer (ISSE) TLA-LLCInformation System Security Engineer (ISSE)McLean, VAExperience: A minimum of 5-8 years of experience in information security engineering, system administration, and/or cybersecurity, with hands-on experience in implementing security controls and supporting authorization processes. · Collaboration and Guidance: Serve as a subject matter expert, providing guidance to development, engineering, and program teams on secure design, development, and secure coding techniques.