Security Clearance Jobs in Saint Louis, MO

R-00158408Description The National Security Sector at Leidos currently has an opening for a cleared TS/SCI Senior Chinese Toponymist (Geospatial Linguist) to work at a customer location in St. Louis, ...

R-00157971Description Leidos is seeking a candidate for a Mandarin Toponymist (Geospatial Linguist) candidate to support a customer site in St Louis, MO.Active TS/SCI  and willingness t...

R-00158870Description The Leidos Spatial Solutions team has an opening for an experienced AWS Cloud Engineer to work on a cloud development and deployment team. The team is involved in the deployment ...

R-00160127Description Leidos is looking for an experienced Systems Engineer or Architect to join our team responsible for the integration, operations, and sustainment of various operational and in-dev...

R-00160274Description Leidos is seeking a Project Engineer who is motivated by variety, is seeking a challenging environment for professional growth, and is interested in running large information tec...

R-00160632Description The Leidos FS2 Aero team has an opening for an experienced Test Engineer to provide Agile DevOps support to mission critical systems. As a Test Engineer on this program, you will...

Mid-Level Software Engineer – Developer Location: 100% Onsite in St. Louis, MO Clearance: U.S. Citizenship required; must be able to obtain a Secret clearance Salary Range: $107,100 – $144,900 (based...

Chief Software Architect – Defense & Space Systems Location: Onsite | St. Louis, Missouri Clearance: Active Secret required (Top Secret eligibility post-hire) We're seeking a Chief Software Architect...

Electrical Component Engineer – Aerospace / Defense We’re seeking an experienced Electrical Component Engineer to support electrical component standards and processes in a high-reliability aerospace ...

📍 Location: Hazelwood/Berkeley, Missouri (100% Onsite) 🛡 Must have an active Secret clearance and be eligible for Special Access Clearance 💼 Contract-to-Hire | U.S. Citizenship Required Join a top-ti...

⚡ Electrical Design & Analysis Engineer (Levels 3–5) 📍 Location: Hazelwood/Berkeley, Missouri (100% Onsite) 🛡 Active Secret Clearance Required | Must be eligible for Special Access Programs 💼 Contract...

🧠 Systems Engineer (Levels 3–5) 📍 Location: Hazelwood/Berkeley, Missouri (100% Onsite) 🛡 Active Secret Clearance Required | Must be eligible for Special Access Programs (SAP) 💼 Contract-to-Hire | U.S....

-Bachelor Degree (or equivalent work experience) in Photogrammetry, Cartography, Geography, Geomatics, Surveying, or related engineering disciplines -Experience with various exploitation software such...

Job Number: R0220303Software Engineer, SeniorThe Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking f...

Job Number: R0220310Software Engineer, Mid The Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for...

Job Number: R0220311Software EngineerThe Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the c...

Job Number: R0221065Technical Counterintelligence LeadKey Role:Ensure Technical Surveillance Countermeasures (TSCM) team compliance in conduct and completion of all TSCM activities, related support an...

Job Number: R0221069TSCM PractitionerKey Role:Conduct Technical Surveillance Countermeasures (TSCM), Foreign Visit, Gift Inspection, Digital Counterexploitation, Technical Evaluation activities and ot...