Senior Federal Account Executive, Intelligence Community Horizon3Senior Federal Account Executive, Intelligence CommunityWashingtonRemoteWorking understanding of offensive security and cyber operations concepts — penetration testing, attack paths, lateral movement, privilege escalation, Active Directory weaknesses, and the practical limits of scanner-based vulnerability programs — sufficient to lead a credible technical conversation with operators. Build and monetize relationships with cleared primes, systems integrators, and mission-capable delivery partners who hold the facilities, personnel, and operating authority to reach programs we cannot reach directly, and who can carry deployment and support inside classified environments.
Senior Principal Solutions Specialist Cloud Software Group IncSenior Principal Solutions SpecialistDC$208,293–$312,439 / yearDevelop and present executive-level value narratives and business cases, including TCO and ROI analysis and comparisons with existing VDI, AVD, Dev Box, local development, and alternative CDE platforms such as GitHub Codespaces, Gitpod, and Coder. Design governed environments for AI-assisted development and agent execution, including credential brokering, workspace-level network controls, MCP and tool governance, agent identity, policy enforcement, auditability, and controlled access to enterprise systems.
NewNOSC Technician Network Administrator Senior Career ListingsNOSC Technician Network Administrator SeniorFt Belvoir, VAFull timePrimary Responsibilities: The candidate's primary duties will focus on systems analysis, architectural engineering, and operational leadership: Systems Analysis & Architecture: Apply advanced systems analysis techniques to consult with DTRA leadership and mission partners, determining complex system functional specifications, capacity requirements, and architectural roadmaps. The I3TS program provides enterprise-wide IT support to enable DTRA’s Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to internal and external partners operating in CONUS and OCONUS locations.
Senior Full Stack Developer – (React, Node, AWS & Agentic AI) Dev Technology GroupSenior Full Stack Developer – (React, Node, AWS & Agentic AI)Reston, VA$116,000–$190,000 / yearAs a Washington Post Top Workplace award winner for the past THIRTEEN years in a row, the Top Workplaces USA for the past five years, and a recipient of the Companies As Responsive Employers (CARE) Award for the past six years, Dev Technology employees enjoy: Generous and flexible time-off policy. Use AI-powered development tools such as Kiro, Amazon Q Developer, GitHub Copilot, or similar agentic AI environments for code generation, refactoring, testing, and specification-driven development.
Senior Program Analyst ARCTICOM LLCSenior Program AnalystQuantico, VAFacilitate assessments of Cruise Missile Defense Systems (CMDS), Counter -Unmanned Aircraft Systems (C-UAS), Counter-Rocket, Artillery, Mortar (C-RAM), Maneuver Short Range Air Defense (MSHORAD) and Air Defense missile-related-acquisition programs to support organizational planning and development within PM GBAD. Arcticom, LLC provides network and systems administration, enterprise architecture and resource planning, certification and accreditation, software design, programming, maintenance of telecommunications and land mobile radio equipment and systems, help desk support and IT transformation services among other services.
Senior Information Systems Security Officer (Sr. ISSO) - TS/SCI with Poly required EmtakSenior Information Systems Security Officer (Sr. ISSO) - TS/SCI with Poly requiredAnnapolis Junction, MarylandDoD 8570/8140 compliance with IAM Level II or IAT Level III , such as CISSP/Associate, CASP+/SecurityX, or another applicable DoD-approved certification. The ideal candidate will have a strong background in RMF, security documentation, authorization activities, continuous monitoring, and security compliance , along with the ability to work independently with technical teams and government stakeholders.
Senior Systems Engineer / Information Systems Security Officer (ISSO) CACI International IncSenior Systems Engineer / Information Systems Security Officer (ISSO)fort meade, MD$131,800–$290,000 / yearPay 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. The Opportunity: 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.
Senior Security Engineer Chickasaw Nation IndustriesSenior Security EngineerReston, VirginiaActivities will include conducting technical security assessments of complex information systems with minimal supervision to include Risk Assessment and Management, Vulnerability Analysis, Contingency Planning/Disaster Recovery, Configuration Management, Security Assessments, and development of Mitigation Plans. Chickasaw Nation Industries, Inc. serves as a holding company with multiple subsidiaries engaged in several lines of business (Business Services, Health, Infrastructure and Engineering, Mission Optimization, Technology and Transportation) for the federal government and commercial enterprises.
Senior Security Operations Analyst Terrestris Global SolutionsSenior Security Operations AnalystWashington, DCThe Senior Security Operations Analyst monitors, detects, and responds to cybersecurity threats to protect the National Indian Gaming Commission's systems, networks, and sensitive data. We are seeking a Senior Security Operations Analyst to provide on-demand Cybersecurity and IT services to support the National Indian Gaming Commission (NIGC) mission at the NIGC Headquarters in Washington, D.C. I've never heard of Terrestris.
Senior Information System Security Officer CACI International IncSenior Information System Security OfficerWashington, DC$120,800–$265,800 / yearThe Senior ISSO will ensure proper access controls are implemented for both system access and physical access to data processing facilities, 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. Critical deliverables include preparing Security Test Plans 90 days prior to testing and Security Test Reports within 15 days after testing, generating Risk Assessment Reports within 0 to 15 days after analysis completion, and producing Weekly Activity Reports and Monthly Program Reports to track progress and compliance.
Senior Information Systems Security Officer ManTech International CorpSenior Information Systems Security OfficerWashington, DC$141,500–$236,000 / yearMust possess one or more relevant industry certifications: Certified Information Systems Security Professional (CISSP), Certified Information Systems Security Manager - Informatin System Security Management Professional (CISSP-ISSMP), Certified Information Security Manager (CISM), Federal IT Security Professional - Manager (FITSP-M), GIAC Certified Intrusion Analyst (GCIA), GIAC Certified Incident Handler (GCIH), Global Industrial Cyber Security Professional (GICSP), or GIAC Security Leadership (GSLC). The Senior ISSO will leverage their strong technical background and knowledge to support accreditation efforts, to include creating Body of Evidence (BOE) documentation, responding to/implementing/documenting required controls, and completing required tasks and actions.
Senior Security Analyst - ATO / RMF (Active Ts/Sci Clearance) - Chantilly, Virginia SBSSenior Security Analyst - ATO / RMF (Active Ts/Sci Clearance) - Chantilly, VirginiaChantilly, VA$140,000–$195,000 / yearSBS developed ATOaaS in collaboration with leading technology companies and DoD/Intelligence Community customers to help accelerate the process of bringing innovative commercial technologies into secure government environments. You'll work directly with customers to understand their technologies, develop security documentation, assess vulnerabilities, implement and document security controls, manage POA&Ms, and help move cloud-based solutions successfully through authorization.
Information Systems Security Officer (ISSO), Senior Advisor - TS/SCI w/poly PeratonInformation Systems Security Officer (ISSO), Senior Advisor - TS/SCI w/polyLinthicum Heights, Maryland$146,000–$234,000 / yearFull timePeraton offers enhanced benefits to employees working on 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 participation in an attractive bonus plan. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies.
5Yrs Senior Network Security Engineer with cisco exp - Onsite GoIntellects Inc.5Yrs Senior Network Security Engineer with cisco exp - OnsiteWashington, DCFull timeMonitor security measures in place within network perimeter, ensuring breaches do not occur and information is safeguarded from unauthorized access; Proactively oversee the activities involved in quality resolution of complex technical issues, responding with an appropriate sense or urgency to problems escalated to Network Engineer’s level; Coordinate with appropriate personnel to determine positive solutions that increase end user satisfaction, following through to completion, and communicating resolution results; escalate to management any situation that could adversely impact the service provided to the end user; Monitor trends in documented incidents and determine appropriate actions necessary to eliminate future occurrences and improve customer service levels in an appropriate timeframe; Provide network design services. Technical Skills: Security: Cisco Firepower (Next generation firewall), Cisco ASA Firewalls, Cisco ISE 2.0 and above (Identity Services Engine), Cisco NGFW (Next Generation Firewall), Cisco AMP (Advanced Malware Protection), Cisco Firepower.
Senior Security Architect Evolver IncSenior Security ArchitectWashington, DCThe Senior Security Architect will lead the development of secure solutions, provide technical guidance on security design, and collaborate with stakeholders to integrate advanced security controls across complex environments. The Senior Security Architect is responsible for designing, implementing, and maintaining enterprise-level cybersecurity architectures that protect federal systems and data.
Senior Servicenow Software Development Engineer (Risk & Security) CACI International Inc.Senior Servicenow Software Development Engineer (Risk & Security)Chantilly, VA$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, WindowsStrong technical background in Cloud Architecture.
Senior Cloud Information System Security Engineer ManTech International CorpSenior Cloud Information System Security EngineerWashington, DCResponsibilities include but are not limited to: Lead, mentor, act as a SME (Subject Matter Expert) and supervise a team of contractor security professionals responsible for the end-to-end implementation of the Risk Management Framework (RMF) lifecycle for FBI IT systems. Advanced proficiency certifications: CCISO, CISA, CISM, CISSP, CISSP-ISSEP, CISSP-ISSAP, CySA+, GSLC, GSNA, CCNP Enterprise, GCIA, GDSA, or GICSP.
Senior Security Engineer Evolver IncSenior Security EngineerWashington, DCThe Senior Security Engineer will work closely with SOC teams, architects, and program managers to deliver robust security capabilities across cloud (AWS GovCloud, Azure Government), on-premises, and hybrid environments. This position requires deep technical expertise, hands-on experience with security tools, and the ability to lead engineering efforts for mission-critical systems in highly regulated environments.
Sr. Security Engineer CoStar Group IncSr. Security EngineerArlington, VAWe are seeking a Senior Security Engineer with experience in Network, SaaS, and AI Security to help evolve and safeguard CoStar's enterprise security posture across network infrastructure, cloud services, SaaS platforms, and emerging AI systems. Assess security risks associated with AI platforms, copilots, and agent-based systems, including model access controls, prompt/data leakage risks, and tool/plugin abuse.
Senior Security Analyst - ATO / RMF (Active TS/SCI Clearance) Strategic Business Systems IncSenior Security Analyst - ATO / RMF (Active TS/SCI Clearance)Chantilly, VA$140,000–$195,000 / yearSBS developed ATOaaS in collaboration with leading technology companies and DoD/Intelligence Community customers to help accelerate the process of bringing innovative commercial technologies into secure government environments. You'll work directly with customers to understand their technologies, develop security documentation, assess vulnerabilities, implement and document security controls, manage POA&Ms, and help move cloud-based solutions successfully through authorization.