Top Secret/sci Jobs

Mission Driven

Social Impact Driven

Passion for Exploration

Reward & Recognition

SpaceX Starshield is hiring a Site Reliability Engineer (Top Secret clearance) to automate deployments, manage core infrastructure, and support highly secure, scalable satellite systems.

ProSync is hiring a Computer Systems Security Specialist I to secure SCIF environments and implement RMF-based risk management and network defenses for DoD/Intelligence customers.

Mission Driven

Social Impact Driven

Passion for Exploration

Reward & Recognition

SpaceX is hiring an experienced IT Systems Engineer with an active Top Secret/TS-SCI clearance to design, deploy, and maintain resilient Microsoft-based enterprise systems and related infrastructure in Hawthorne, CA.

Two Six Technologies is seeking a Software Reverse Engineer to perform advanced firmware and wireless vulnerability research and develop proof-of-concept exploits for mission-critical government systems in Herndon, VA.

Software Engineer role developing high-performance algorithms and production software for autonomy, perception, and tactical systems at a leading defense technology company.

Experienced Staff Software Engineer needed to develop Java-based, cloud-native backend services in AWS for federal customers while maintaining an active Top Secret/SCI clearance and providing SCIF-based, 24x7 coverage.

AnaVation is hiring a Junior Software Developer to design, test, and maintain secure full-stack web applications for mission-critical programs in Washington, DC.

Lead the design and implementation of resilient, secure multi-cloud infrastructure and tooling to support mission-critical software for national security customers.

Teach and develop space intelligence and cyberspace curriculum at NSSI, providing instruction to DoD and international students on ISR, cyber operations, targeting, and adversary space/cyber capabilities.

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.