Security Clearance Jobs in Missouri

Journeyman Cloud Engineer Location: St. Louis, MO / O'Fallon, IL / Remote (Hybrid Schedule) Required Clearance: TS/SCI with ability to obtain CI Polygraph Employment Type: Full-Time Regular Shift: Day...

Position: Embedded Software Engineer (Associate, Experienced, Senior) Location: 100% Onsite – Hazelwood, MO Security Clearance: Must be able to obtain an Interim Clearance prior to start Compensation...

Electrical Design Engineer – F/A-18 Lab Support Location: 100% Onsite | Hazelwood, MO Clearance: U.S. Citizenship + Ability to obtain a Secret Clearance (required before start) Overview We are seekin...

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....

Position Summary - Contract We are seeking a Level 3 Electrical Engineer to join a high-impact team designing and integrating complex avionics and electrical systems for advanced military aerospace p...

We are looking for an experienced and proactive Senior SAP Project Systems (PS) Consultant to join our Partner's team. The professional will be responsible for leading and executing complex projects, ...

Amentum is seeking a Crime Gun Intelligence Specialist Level I to support active contracts in Springfield, MO. The position may require limited CONUS travel.Description: The Crime Gun Intelligence Sp...

The Systems Integrator provides support to the US DOE Office of Legacy Management IT Projects team. The Systems Integrator will leverage their knowledge and experience to participate and aid teams tha...

Amentum is seeking a Senior TEMPEST Lead to support the National Geospatial-Intelligence Agency (NGA), Office of Counterintelligence (SIC) in Washington, DC.TEMPEST Countermeasures Reviews, Visual TEM...

Amentum is seeking a TEMPEST Practitioner to support the National Geospatial-Intelligence Agency (NGA), Office of Counterintelligence (SIC) in Washington, DC and St. Louis, MO.TEMPEST Practitioner per...

Amentum is seeking a TSCM Practitioner III to support the National Geospatial-Intelligence Agency (NGA), Office of Counterintelligence (SIC) in Washington, DC and St. Louis, MO.TSCM Practitioner III c...

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...