Top Secret / SCI Clearance Jobs

Date Posted:2026-09-28Country:United States of America Location:US-MA-MARLBOROUGH-MA3 ~ 1001 Boston Post Rd ~ BLDG 3 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Require...

ClearanceJobs, on behalf of our confidential customer is seeking a System Administrator who will provide IT and cyber-systems security support. This is a 100% on-site position supporting the Space and...

Python Developer: Full Performance Location: Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB DESCRIPTION: Inferno Systems...

****This position requires an active DoD Clearance (Secret, Top Secret, Top Secret/SCI)**** ***Because an active DoD clearance is required, U.S. Citizenship is required*** Senior Network Engineer (...

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...

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...

K2/Threat Tec JV is seeking a qualified Agile Program Manager (APM). The APM will lead the overall contract effort, manage the Agile capacity pool, and interface with Government leadership. Mandatory...

Job Family :Data Science Consulting Travel Required :Up to 10% Clearance Required :Active Top Secret (TS) What You Will Do :The Data Analyst & IT Consultant will oversee and manage the requirements g...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Maintain, configure, and troubleshoot IT infrastructure across UNIX and Windows ...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Conduct network and application-level vulnerability and penetration testing to s...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Execute information assurance operations and maintain system security posture. ...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Perform security risk assessments, security control assessments, and authorizati...