Top Secret / SCI Clearance Jobs

Overview We are seeking a highly skilled Senior Network Engineer with extensive experience in Cisco routing and switching technologies. This role is critical in supporting secure, high‑availability ne...

When You Love the Work You Do, Any Mission Is Possible Position: CNO Software Engineer (All levels) ***(Active Clearance with a Poly Required) We’re on multiple contracts and have many opportunitie...

DescriptionApplication deadline: Feb 4, 2026This position requires that the candidate selected be a US Citizen and obtain and maintain an active TS/SCI security clearance.The Amazon Web Services Profe...

DescriptionThis position requires that the candidate selected must currently possess and maintain an active TS/SCI security clearance with polygraph.Do you like helping U.S. Intelligence Community age...

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...

Job Number 716603BR Description:THE WORKThis senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in s...

Job Number 716596BR Description:At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innovator and builder. Our team is on a mission to make a difference in the world and every sing...

Job Number 715596BR Description:By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex challenges. Our...

Job Number 698733BR Description:By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex challenges. Our...

Job Number 716507BR 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 716480BR Description:Lockheed Martin Space in Littleton, CO seeks aProject Engineer to be part of theP277 Program execution leadership team.This position works closely with the Program Man...

Job Number 716393BR Description:By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex challenges. Our...

Job Number 716147BR Description:By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex challenges. Our...

Job Number 716148BR Description:By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex challenges. Our...

Piper Companies is hiring a Data Center Engineer (TS/SCI Full Scope Polygraph) to support a secure data center environment in the Reston, VA area. The ideal candidate for the Systems Engineer - TS/S...

Piper Companies is hiring a Alternate Facility Security Officer (AFSO) - TS/SCI for a leading world wide tech organization located in Reston, VA. The Alternate Facility Security Officer (AFSO) - TS/SC...