Security Clearance Jobs in Pennsylvania

Worker Type Regular Job Description The Computer Scientist plays a pivotal role in ensuring the reliability, performance, and advancement of mission-critical software and hardware systems. This posit...

On behalf of our Federal Contracting client, ClearanceJobs Talent Solutions Team is seeking a DevSecOps & Site Reliability Engineer to keep our client’s production deployed applications reliable, obse...

OverviewAllied Universal®, North America's leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and ...

OverviewAllied Universal®, North America's leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and ...

SecureStrux is a cybersecurity and compliance solutions company supporting the Department of War, Defense Counterintelligence and Security Agency, and the Defense Industrial Base. Our team helps organ...

OverviewAllied Universal®, North America's leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and ...

DutiesThis Job Announcement is for the position of Attorney-Adviser (Contract) in the DLA Contracting Services Office (DCSO) Acquisition Division of the DLA General Counsel Headquarters. DCSO's missio...

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...

The Building People delivers integrated solutions that connect technology, buildings, and people to optimize real estate performance, facility operations, and workforce outcomes. With over 450 contrac...

Job Number 8173 Standard Job Description Standard Job DescriptionAs an Experimental CNC Machinist, you will set up, operate, and maintain CNC machining centers to produce precision parts to engineeri...

Job Number 8461 Standard Job Description The coolest jobs on this planet... or any other... are with Lockheed Martin Space." At the dawn of a new space age, Lockheed Martin is a pioneer, partner, inn...

As organizations adopt generative AI, securing how AI agents, models, and automated workflows access enterprise systems and data has become a core engineering challenge. As an Identity & Gen AI En...

Job Number 1488 Standard Job Description WHAT WE'RE DOINGThe Aircraft Media Gateway program enables the P-8A aircraft to deliver advanced maritime and littoral Intelligence, Surveillance, and Re...

Job Number 1241 Standard Job Description WHAT WE'RE DOINGThe Aircraft Media Gateway program enables the P-8A aircraft to deliver advanced maritime and littoral Intelligence, Surveillance, and Re...

Job Number 2890 Standard Job Description Who We AreLockheed Martin is dedicated to shaping, developing, & advancing technologies & capabilities with a focus on our customers' needs as part of ou...

Job Number 2256 Standard Job Description WHAT WE'RE DOINGAs part of Lockheed Martin Rotary & Mission Systems business area, our team supportsmultiple software applications in the Joint Air-to-Su...

Job Number 328 Standard Job Description WHAT WE'RE DOINGAs part of Lockheed Martin Rotary & Mission Systems business area, our team supports multiple software applications across the MIC2 line o...

Job Number 2455 Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities...

Job Number 2437 Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities...

Senior Autonomous Systems Research ScientistAs AI-enabled autonomous systems get closer to widespread deployment, fundamental research questions remain around their development and use, especially in ...