Sci Jobs

Experienced cybersecurity engineer with active TS/SCI CI Polygraph sought to lead RMF, XACTA, and ATO/IATT efforts for cloud and enterprise systems in MD/DC/VA SCIF environments.

Senior Hardware Design Engineer role focused on ASIC/FPGA/SoC design, verification, and physical implementation for a cleared government-contractor environment.

Palantir is hiring an Information Security Engineer (DLP) to lead prevention, detection, and investigation of data exfiltration across cloud, network, and endpoint vectors.

Palantir is hiring an Information Security Engineer specializing in Windows and Active Directory to lead hardening, detection engineering, and incident response across our global Windows environment.

Mid-senior software engineer needed to develop and scale population-simulation software (primarily Java/Python) for GeoDelphi's Worldline platform supporting an AFRL R&D effort.

Senior full-stack engineer needed to build and evolve a production-grade big-data graph platform using Java/Python, APIs, Kubernetes, and modern cloud technologies for mission-critical clients.

Cathexis is hiring a Senior IT Talent Acquisition Specialist to lead full-lifecycle recruiting for cleared IT roles and advise stakeholders with data-driven talent strategies in a hybrid GovCon setting.

Palantir is hiring an Information Security Engineer focused on insider threat detection and response to design automated detection workflows and investigate sophisticated internal and external threats across its global environment.

Experienced Dashboard Developer with an active TS/SCI (CI poly willing) needed to design real-time, actionable ICAM dashboards for operational teams and leadership at a DoD/IC-focused consultancy.

Lead full‑stack cloud development for a cyber mission team in Annapolis Junction requiring an active TS/SCI with Full Scope Polygraph.

The Aerospace Corporation seeks a technical analyst to apply astrodynamics, optimization, and simulation skills toward constellation design and space architecture trade studies in support of national space enterprise needs.

Lead application security for mission-critical space systems by implementing secure architectures, compliance controls, and monitoring across cloud-native and embedded software environments.

Anduril is hiring a Staff Systems Engineer in Washington, DC to lead mission engineering and reference architecture efforts for the US Army's NGC2 program, bridging prototyping to production.

RII seeks a hands-on Radio Frequency Integration Engineer II to perform RF system integration, testing, and field validation at Aberdeen Proving Ground supporting EW/SIGINT programs.

Booz Allen is hiring a TS/SCI-cleared UI Full Stack Software Developer to design and deliver full-stack web applications using modern JavaScript frameworks and server-side technologies for mission-critical systems at Fort Meade.

True Anomaly is hiring a Supplier Development Engineer to build and scale a flight-quality supplier base for space hardware across propulsion, structures, power, and avionics.

Shield AI is hiring a Territory Business Development Manager to own U.S. Army sales and drive pipeline, opportunity progression, and bookings for autonomy and unmanned systems.

Lead Vantor's strategic growth within NRO/IC accounts by turning space + AI capabilities into mission outcomes and driving high-impact, technical customer engagements.

Lead the creation and automation of a centralized patching capability for multi-cloud Windows environments supporting a U.S. Government mission in Dulles, VA.

Contribute to location-aware visualization software at Esri, developing front-end applications and integrations that support Defense and Intel customers.

Lumbra seeks a TS/SCI-cleared Infrastructure Software Engineer to lead air-gapped deployment pipelines and onsite Kubernetes operations across classified and commercial environments.

Mission Driven

Social Impact Driven

Passion for Exploration

Reward & Recognition

SpaceX is hiring a Senior Government Sales Manager in Washington, DC to drive Starshield sales, pricing, and capture efforts for Department of War customers.

Lead and execute integrated ground and flight test campaigns at True Anomaly, translating program objectives into disciplined, safe, and effective test operations.

Lead Systems Engineer needed to architect and sustain secure, mission-critical systems for a national security customer with strong Linux/Windows, CI/CD, and networking experience.

True Anomaly is hiring a Structural Dynamics Engineer (II/III) to lead structural dynamics analysis, finite element modeling, and dynamic testing for high-reliability aerospace systems at our Colorado or California offices.

Spear AI seeks a proactive Technical Integrator to bridge engineers and DoD customers, coordinating labs, approvals, and integration events to validate software against real-world requirements.

Senior Systems Engineer required to lead end-to-end infrastructure, cloud, and security engineering for cleared government programs and enterprise clients.

Edgesource is hiring a Senior Software Engineer to lead .NET Core development and cloud-first modernization of mission-critical enterprise systems within a secure federal environment.

Lead cross-functional software programs and operations for STR's RAID Group, managing schedules, budgets, risk, and coordination with sponsors and technical teams for real-time RF sensor systems.

Platinum Technologies seeks a cleared Data Integration Team Lead to manage data governance, architecture, metadata, and quality efforts while leading a team supporting intelligence data integration at Fort Belvoir.

ARSIEM is looking for a senior Software Engineer (Level 3) to design, implement, and lead development of complex, high-performance software solutions supporting a government client in Annapolis Junction, MD.

ARSIEM is hiring a senior Cloud Software Engineer to architect, implement, and optimize large-scale Big-Data cloud systems for government customers at Fort Meade.

ARSIEM Corporation is hiring an experienced Software Engineer 2 to design, implement, and test high-performance software systems supporting a government client in Annapolis Junction, MD.

Mission Driven

Social Impact Driven

Passion for Exploration

Reward & Recognition

Senior Windows Systems Engineer role supporting enterprise and sensitive environments at SpaceX, requiring deep Microsoft expertise and an active Top Secret/TS-SCI clearance with polygraph.

BryceTech seeks an experienced Data Analyst to support DHS intelligence performance programs by turning complex data into actionable insights, reports, and training materials.

Lead the architecture and delivery of real-time RF sensor software at STR, transitioning algorithms to optimized C/C++ implementations and driving open-system integration across distributed platforms.

Experienced editorial leader needed to manage multi-platform, mission-focused content production supporting DoD communications and senior leader engagements.

Mission Driven

Social Impact Driven

Passion for Exploration

Reward & Recognition

Senior ASIC Design Engineer for Starshield to architect, implement, verify, and bring up high-performance ASIC/FPGA designs that support national security space and ground systems.

Northrop Grumman Space Sector seeks a Top Secret-cleared Software Engineer (Level 3 or 4) in Aurora, CO to design, develop, and sustain Java microservices and secure applications in a classified environment.

Lead Anduril's Supplier Quality efforts for precision mechanical parts, managing supplier qualification, audits, and continuous improvement to ensure reliable, production-ready components for defense systems.

Experienced data center engineer with active TS/SCI + CI Poly to lead on-site, Dell-focused infrastructure operations and day-to-day data center activities for PGTEK.

Lead LAN/WAN Engineer needed to architect, operate, and mentor teams on complex enterprise and mission networks with deep expertise in BGP, OSPF, tunneling, spine-leaf architecture, and multi-vendor environments.

True Anomaly is hiring a Senior Technical Program Manager (GRC) to lead RMF/CMMC compliance, cloud security architecture, and assessment programs for IL5/IL6 environments.

Principal Software Engineer with active TS/SCI and polygraph required to lead prototype development and integrate cloud-based analytics solutions for federal customers.

Constellation Technologies seeks a fully cleared Full-stack Software Engineer proficient in Python and Java to deliver analytics-driven solutions for federal customers.

Reinventing Geospatial (RGi) is hiring a cleared Technical Training & Publications Specialist to produce video-based instructional content and technical publications in support of GEOINT and defense programs.

ClearEdge is hiring an HPC Software Engineer III to lead development and performance optimization of compute-intensive, parallel/distributed software for high-impact DoD programs.

Experienced full stack engineer with big data skills needed to build scalable, cloud-native applications and data pipelines in support of Intelligence Community missions.

Experienced Full Stack Developer needed to build secure, high-performance web applications for government and IC programs, requiring an active TS/SCI with polygraph.

Workday Government is hiring an SRE-focused software engineer to operate, troubleshoot, and harden large-scale cloud services for U.S. federal customers, requiring U.S. citizenship and clearance eligibility.