ClearanceJobs
  • Candidates
  • Employers
  • Hiring Companies
  • News & Career Advice
  • Login
  • Register now
Experience
City
State
Clearance
Posted Within
Employer Name
Country
Job Category
Job Type
Polygraph
Remote

Top Secret / SCI Clearance Construction/Facilities Jobs

Top Secret/SCI Construction/Facilities

Viewing 1 - 20 of 243

Top Secret / SCI Construction/Facilities Jobs requiring security clearance

Show:
Sort by:

Software Engineer [$231k/yr+] TS/SCI-FS Poly

SYSTOLIC
Apply today! Be one of the first candidates to apply for maximum exposure.
Annapolis Junction, MD(On-Site/Office)
Posted 1 month ago
5+ yrs exp
Intel Agency
Full Scope Polygraph

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: Perform supervised and unsupervised model training and validation for automated knowledg...

user avatar

Network Management Systems (NMS) Lead

CACI
Apply today! Be one of the first candidates to apply for maximum exposure.
Sterling, VA(On-Site/Office)
Posted 2 months ago
TS/SCI
Polygraph

Job Title: Network Management Systems (NMS) LeadJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Tr...

user avatar

Construction Surveillance Technician I

New
System High Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
Rapid City, SD(On-Site/Office)
Posted today
TS/SCI
Polygraph

Description At System High Corporation-a Top Washington-Area Workplace (The Washington Post, 2023-2025), a Top Workplaces Culture Excellence honoree (April 2025), and a three-time VETS Indexes 3-Star ...

user avatar

Construction Surveillance Technician (TS/SCI w/ CI Poly)

New
IDS International
Apply today! Be one of the first candidates to apply for maximum exposure.
Aurora, CO(On-Site/Office)
Posted today
TS/SCI
CI Polygraph

Position Overview The Construction Surveillance Technician (CST) supports construction security operations within a cleared environment by monitoring site activities, analyzing construction designs, ...

user avatar

General Maintenance Technician (Mechanical)

New
Amentum
Apply today! Be one of the first candidates to apply for maximum exposure.
Fort Gordon, GA(On-Site/Office)
Fort Gordon, GA(On-Site/Office)
Posted today
TS/SCI
Polygraph

Amentum is looking for a General Maintenance Technician (Mechanical) to join our #pecan team!Essential Responsibilities:The General Maintenance Technician (Mechanical) performs maintenance, repair, an...

user avatar

Plumber

New
Amentum
Apply today! Be one of the first candidates to apply for maximum exposure.
Destin, FL(On-Site/Office)
Posted today
TS/SCI
Not Specified

Amentum is seeking an experienced licensed commercial plumber to support a Facilities Support O&M Services Contract. Must be able to install, service, and maintain plumbing systems in commercial, inst...

user avatar

Journeyman HVAC

New
Amentum
Apply today! Be one of the first candidates to apply for maximum exposure.
Lorton, VA(On-Site/Office)
Posted today
TS/SCI
Not Specified

Amentum is looking for an experienced HVAC Mechanic to join our team in Springfield, VA. The Heating, Ventilation, and Air Conditioning Mechanic installs, modifies, and repairs refrigeration - hermet...

user avatar

High Voltage Electrician

New
Amentum
Apply today! Be one of the first candidates to apply for maximum exposure.
Lorton, VA(On-Site/Office)
Posted today
TS/SCI
CI Polygraph

A High Voltage Electrician performs a variety of electrical trade functions such as the installation, maintenance, or repair of equipment for the generation, distribution, or utilization of electric e...

user avatar

Facilities HVAC Specialist IV

New
BAE Systems
Apply today! Be one of the first candidates to apply for maximum exposure.
Westminster, CO(On-Site/Office)
Posted yesterday
TS/SCI
Polygraph

Job Description Perform a wide variety of building and equipment maintenance work and supplementary work on HVAC systems, including air conditioners, air handler units, exhaust systems, chillers, boil...

user avatar

Machine Learning Engineer

New
Shield Consulting Solutions
Apply today! Be one of the first candidates to apply for maximum exposure.
Laurel, MD(On-Site/Office)
Posted yesterday
TS/SCI
Polygraph

**Active TS/SCI w/Polygraph REQUIRED** Please do not apply if you do not currently possess this level of clearance. ---------- Telework: None Basic Requirements: 14 years of experience as a sof...

user avatar

Construction Security and Reporting Technician

New
CACI
Germany(On-Site/Office)
Posted 2 days ago
TS/SCI
Not Specified

Job Title: Construction Security and Reporting TechnicianJob Category: SecurityTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: Regular-Long Term AssignmentPercentage of T...

user avatar

Electrician (Night)

New
Amentum
Apply today! Be one of the first candidates to apply for maximum exposure.
Mclean, VA(On-Site/Office)
Posted 2 days ago
TS/SCI
Not Specified

Amentum is seeking an Electrician (Night Shift) to join our team in McLean, VA! As an Electrician, you will inspect, repair, replace, install, adjust, maintain, and make necessary tests on all electri...

user avatar

Associate Director, Vehicle and Ground Implementation Department

New
Aerospace Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
El Segundo, CA(On-Site/Office)
Posted 2 days ago
TS/SCI
Not Specified

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded researc...

user avatar

Facilities Manager

New
Peraton
Apply today! Be one of the first candidates to apply for maximum exposure.
Linthicum, MD(On-Site/Office)
Posted 2 days ago
TS/SCI
Not Specified

About PeratonPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading m...

user avatar

Electrician

New
Lockheed Martin
Apply today! Be one of the first candidates to apply for maximum exposure.
Cape Canaveral, FL(On-Site/Office)
Posted 3 days ago
TS/SCI
Polygraph

Job Number 726009BR Description:The Payload Launch Sites Support Services (PLSSS) Program within SSC provides all the launch processing support functions for the Office of Space Launch (OSL). One of ...

user avatar

Construction Security and Reporting Technician

New
CACI
Germany(On-Site/Office)
Posted 3 days ago
TS/SCI
Not Specified

Job Title: Construction Security and Reporting TechnicianJob Category: SecurityTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: Regular-Long Term AssignmentPercentage of T...

user avatar

HVAC Technician (TS/SCI Clearance Required)

New
Fluor Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
Warrenton, VA(On-Site/Office)
Posted 1 week ago
TS/SCI
Not Specified

At Fluor, we are proud to design and build projects and careers. We are committed to fostering a welcoming and collaborative work environment that encourages big-picture thinking, brings out the best ...

user avatar

Vehicle and Ground Concepts Department Associate Director

New
Aerospace Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
El Segundo, CA(On-Site/Office)
Posted 1 week ago
TS/SCI
CI Polygraph

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded researc...

user avatar

Truck Driver - Full Performance

New
Amentum
Falls Church, VA(On-Site/Office)
Posted 1 week ago
TS/SCI
Polygraph

Applicants must have an Active Top Secret/SCI US Government clearance with polygraph. Note: US Citizenship is required to maintain a Top Secret/SCI clearance with polygraph.Full Performance-level truc...

user avatar

AI/ML Machine Learning Engineer (Level 2-4)

New
Lockheed Martin
Herndon, VA(On-Site/Office)
Posted 1 week ago
TS/SCI
CI Polygraph

Job Number 726653BR Description:Join us in shaping a new era in space and find a career that's built for you.Lockheed Martin Space will be hosting an invitation only in-person Hiring Event in King of...

user avatar

Facilities Operations Planner

New
Lockheed Martin
Apply today! Be one of the first candidates to apply for maximum exposure.
Littleton, CO(On-Site/Office)
Posted 1 week ago
TS/SCI
Polygraph

Job Number 726102BR 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...

user avatar

Mid-level Machine Learning Engineer

New
Astrion
Apply today! Be one of the first candidates to apply for maximum exposure.
Huntsville, AL(On-Site/Office)
Posted 1 week ago
TS/SCI
CI Polygraph

Overview Machine Learning Engineer JOB LOCATION: Huntsville, Al JOB STATUS: Full-time CLEARANCE: TS/SCI w CI/Poly TRAVEL: As needed Astrion seeking a Machine Learning Engineer to join our an...

user avatar
ClearanceJobs
  • About Us
  • Support
  • Browse Jobs
  • Security Clearance FAQs
  • AgileATS
  • FedWork
  • Blog
Download on the App StoreGet it on Google Play
© 2026 ClearanceJobs - All rights reserved. ClearanceJobs is a DHI service .
  • Pay My Bill
  • EULA
  • Privacy Policy
  • Terms of Service
  • My Privacy Rights
  • Contact Us