Top Secret Sci Jobs

Lead high-impact Onebrief implementations and customer engagement at senior military headquarters, driving adoption, training, and technical coordination across classified networks.

Mid-level SQL Server DBA role at AnaVation supporting on-site, mission-driven database operations with a required Top-Secret (SCI) clearance.

RGi is hiring a GEOINT Systems Engineer to design, operate, and secure geospatial systems that support defense and intelligence missions.

Amentum is hiring a seasoned Intelligence Operations Analyst to lead 24/7 watch operations and deliver timely intelligence products and executive-level situational awareness for INSCOM at Fort Belvoir.

Amentum is hiring an Associate System Administrator in McLean, VA to support and maintain secure Windows/network infrastructure with an active Top Secret/SCI clearance required.

Shield AI is hiring a cleared Staff Information Systems Administrator to manage, secure, and support classified systems and networks for mission-critical operations in the Washington DC Metro Area.

Lead and grow DoDT-focused advanced laser systems efforts at LLNL by driving business development, setting program vision, and directing multi-disciplinary teams to deliver high-impact laser projects.

Booz Allen is hiring a Cyber Automation Engineer to build and automate detection and response capabilities—leveraging Python, SIEM/SOAR, and integrations—to improve threat defense for enterprise clients.

Experienced DoD planner needed to design, integrate, and assess multi-domain experimentation for USINDOPACOM at Camp H.M. Smith, enabling scalable operational concepts and TTPs.

Amentum is hiring a Senior Joint Experimentation Planner to lead USINDOPACOM experimentation efforts, integrate emerging technologies into joint exercises, and provide analytic guidance to senior leaders.

Boeing is hiring an Agile Software Engineer to develop and maintain UI and cloud-based software for mission-critical command-and-control systems within its Defense, Space & Security organization.

Experienced Cyber Security Engineer wanted to design, implement, and certify C4 systems in support of national security missions at CACI's Albuquerque operations.

Anduril seeks a Senior UI Engineer to craft high-performance, map- and image-focused web interfaces for its Electronic Warfare systems.

Anduril seeks an experienced Technical Writer to produce clear, user-focused documentation for Intelligence Systems while working closely with engineers and cleared stakeholders to meet contractual and operational needs.

Peraton seeks a Senior Java Developer in Colorado Springs to lead backend development and integrate the Space Weather Analysis Forecasting Service into a secure GovCloud environment.

Serve as the on-site Operations Manager at USARPAC, owning customer relationships, driving product adoption across headquarters, and coordinating technical and operational support for Onebrief on classified networks.

Delta Solutions & Strategies is hiring a Top-Secret/SCI eligible Space Operations Instructor to design and teach NSSI space operations and C2 curriculum across in-residence, mobile, and blended delivery formats at Peterson SFB.

Mission Driven

Social Impact Driven

Passion for Exploration

Reward & Recognition

Lead classified physical security buildouts and compliance for SpaceX’s Government Security Programs as a Principal Industrial Security Analyst based in Washington, DC.

Support mission-focused application development and advanced analytics for a Huntsville-based defense contractor while maintaining strict cleared-access requirements.

Experienced cybersecurity professional needed to lead incident response and advanced SOC operations for high-assurance, cleared environments.

Lead customer engagement and drive near-total adoption of Onebrief at U.S. Space Force Indo‑Pacific headquarters while serving as the primary technical and operational liaison.

Lead the Triton MQ-4C cyber systems engineering team at Northrop Grumman to drive cybersecurity integration, vulnerability remediation, and compliance across the system lifecycle.

Riverside Research seeks a DevOps Engineer/Linux Administrator to manage and secure Linux-based CI/CD infrastructure and support software deployments for DoD and IC networks at its Fairborn, OH facility.

Work as a Software Engineer at Redhorse to build a secure, WinForms-based desktop application that modernizes mission-critical government workflows.

Peraton seeks a Senior Manager, Technology Program Management to lead and coordinate cyber operations program efforts at Fort Meade, ensuring schedule, budget, and technical delivery for critical DoD missions.

Peraton is hiring an Enterprise Services Engineering Manager to lead cloud and enterprise infrastructure engineering efforts supporting national security missions.

Lead human engineering efforts for advanced space mission systems at Boeing, applying human performance science, MIL-STD guidance, and user-centered evaluation to ensure safe, effective operator interfaces.

KBR is hiring a cleared Systems Engineer to administer and secure Windows and virtualized infrastructures, support integration and deployments, and apply STIGs and RMF controls in a classified mission environment.

AnaVation is hiring a Senior Software Developer to advance mobile device forensic analysis and reverse-engineering toolsets for intelligence customers in a hybrid role based in Lorton, VA.

Lead full‑stack development using TypeScript, NestJS, and Next.js on a mission-critical, on‑site program requiring Top‑Secret/SCI eligibility.

Lead mission operations for an SDA-supported Iridium program, ensuring constellation health, integrating new capabilities, and translating mission objectives into operational plans.

KBR’s National Security Solutions team is hiring a Top Secret/SCI-cleared Unified Communications Engineer to engineer, optimize, and manage enterprise UC, VTC, and VoIP systems supporting national security missions.

Qualis LLC seeks an experienced Test Engineer to lead OT&E test design, execution, and analysis for space systems at Buckley Space Force Base.

Experienced satellite operations engineer needed to support planning, transition, and on-orbit activities for next-generation constellations in a mission-driven NRO program office.

Senior leader wanted to develop and execute Loft Federal's government affairs strategy across Congress, DoD, and IC stakeholders to secure policy, funding, and acquisition pathways for national security space programs.

Peraton seeks a junior-mid Spacecraft Operations Controller to perform real-time command, telemetry verification, troubleshooting, and test support for NASA's LCRD from the LMOC in Las Cruces, NM.

Provide OT&E support for NSA KMI programs as a Test & Evaluation Specialist III, executing test scenarios, collecting and analyzing data, and producing test plans and reports under Top Secret/SCI clearance.

Lead and manage the Sunnyvale engineering lab for a fast-paced defense electronics company, providing hands-on PCB assembly, RF and high-speed test, and lab operations oversight.

Lead technical analysis of AI, autonomy, and swarm technologies for DoD decision-makers, informing prioritization and transition across joint warfighting capabilities.

Peraton is hiring a cleared Network Engineer to design, implement, and support classified WAN/LAN and cloud networking for DoD/IC space programs.

Experienced DFIR analyst with an active Top-Secret/SCI clearance needed to perform forensic investigations, incident response, threat hunting, and technical reporting for federal-focused cyber operations.

Serve as the primary customer-facing leader for Onebrief in the National Capital Region, expanding adoption across senior military commands while ensuring high-touch support and securing renewals.

Lawrence Livermore National Laboratory is hiring a Senior Spacecraft Systems Engineer to act as the LLNL liaison to the Space Force, providing advanced spacecraft and missile defense expertise and program-level technical leadership.

Guidehouse is hiring an Insider Threat Program Manager to lead insider threat detection, analysis, and mitigation efforts for cleared USG engagements.

MAG Aerospace is hiring an experienced Special Security Officer to support NCWDG security operations and manage classified material and access processes.

Lead development and validation of ML/AI algorithms and quantum-threat simulations for USSTRATCOM mission systems at Offutt AFB, supporting national security priorities.

Anduril seeks a Staff RF Test Automation Engineer to build automated RF test infrastructure and production testing systems for its Electromagnetic Warfare products.

CACI seeks a Principal Solutions Architect in Reston, VA to lead capture-driven system and cloud solutioning for large federal proposals while mentoring capture and proposal teams.

Lead development and delivery of space policy, doctrine, and strategy instruction at the National Security Space Institute, supporting senior DoD and USSF audiences across in-residence, mobile, and online courses.

Experienced SQL DBA/Developer needed to manage, secure, and optimize enterprise databases for mission-critical federal and private-sector projects with TS/SCI clearance required.