Security Clearance Jobs in West Mifflin, PA

REQUIRED: Active TS/SCI with Full Scope Polygraph clearanceLOCATION: Full-time, onsite in McLean, VAWe are seeking a Data Scientist (Data Modeler) with hands‑on experience in ECL, HPCC, and large‑scal...

Clearance Required: Active TS/SCI with the ability to obtain & maintain a Polygraph Location: Herndon, VA | On-Site Full-Time Contract: Long-term federal GEOINT program — work assured through at least...

ClearFocus Technologies, a HUBZone certified company, is located in Leesburg, VA. We specialize in cybersecurity and support multiple government and commercial clients for a variety of missions. We va...

US Citizenship Required Non-US Citizenship will not be considered Location: West Mifflin, PA Responsibilities ServiceNow Module Development Design, develop, and implement ServiceNow workflow applica...

Markon is seeking an Electrical Engineering Drafter to support the Naval Nuclear Laboratory's Propulsion Plant Team Trainer (PPTT) project at the Bettis site. The PPTT is a multi-site organization eng...

Job Summary Horizon Global Partners (HgP) is seeking a ServiceNow Developer to support the Department of Energy (DOE), Naval Reactors Laboratory Field Office (NRLFO) Mission Support Division. The Serv...

Job Summary Horizon Global Partners (HgP) is seeking an experienced Cybersecurity Specialist to support the Department of Energy (DOE), Naval Reactors Laboratory Field Office (NRLFO) Mission Support D...

Position: Cybersecurity SpecialistDOE Naval Reactors Laboratory Field Office (NRLFO) — Mission Support DivisionLocationEITHER Bettis Atomic Power Laboratory, West Mifflin, PA OR Knolls Atomic Power La...

Position: ServiceNow DeveloperDOE Naval Reactors Laboratory Field Office (NRLFO) — Mission Support DivisionLocationBettis Atomic Power Laboratory, West Mifflin, PAFull-Time / Part-TimePart-Time — 1,04...

> Cybersecurity Specialist Softek International IncCybersecurity Specialist West Mifflin, PA, PA DescriptionThe specialist will lead and support cybersecurity activities across classified and unclas...

Application Deadline: 10/1/2026Position Summary: JGMS is seeking an experienced electrical engineering drafter to join our team as part of a project that is a multi-site organization engaged in the de...

Markon is seeking a Specialized Engineer III to support the Naval Nuclear Laboratory's Welding Engineering organization at the Bettis site. This position will work with a team of engineers to assess, ...

Application Deadline: 9/24/2026Position Summary: We are searching for a Specialized Engineer (Welding) to join our team in West Mifflin, PA! This challenging and rewarding position offers opportunitie...

Markon is seeking a Test Specialist to support the Naval Nuclear Laboratorys's A4WFleet Interactive Training Equipment (FITE). FITEs are high-fidelity simulation platforms used to develop and maintain...

Application Deadline: 9/17/2026Position Summary: JGMS Government Services is looking to hire a cybersecurity professional to join our team. The candidate will be responsible for execution of all aspec...

Application Deadline: 9/19/2026Position Summary: JGMS Government Services is looking to hire an experienced A4W propulsion plant operator to join our client's team as a Test Engineer supporting A4W Fl...

Application Deadline: 8/25/2026Position Summary: JGMS Government Services is seeking an experienced Records Administrative Assistant to provide on-site administrative and records management support to...

Markon is building a talent pool of Mechanical Engineers to join our team as part of the Propulsion Plant Team Trainer (PPTT) project.ResponsibilitiesCollaborate with multidisciplinary engineering tea...

The Computer/Data Scientist will support the design, development, maintenance, and implementation of advanced artificial intelligence (AI) solutions within the Reactor Servicing Directorate. This posi...

Boston Government Services, LLC. (BGS) is seeking for a Subject Matter Expert II to support our clients in Bettis Atomic Laboratory, West Mifflin, PA. BGS is an engineering, technology, and security ...