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/Hybrid

Top Secret / SCI Clearance Jobs

Top Secret/SCI

Viewing 1 - 20 of 16,052

Top Secret / SCI Jobs requiring security clearance

Show:
Sort by:

Security Support C (Program Security Administrator)

New
L3Harris Technologies
Apply today! Be one of the first candidates to apply for maximum exposure.
Palm Bay, FL(On-Site/Office)
Posted today
TS/SCI
Not Specified

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...

user avatar

Senior Specialist, Systems Engineering

New
L3Harris Technologies
Apply today! Be one of the first candidates to apply for maximum exposure.
Greenville, TX(On-Site/Office)
Posted today
TS/SCI
Not Specified

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...

user avatar

Senior Specialist, Information Security Systems Engineer

New
L3Harris Technologies
Apply today! Be one of the first candidates to apply for maximum exposure.
Rochester, NY(On-Site/Office)
Posted today
TS/SCI
Polygraph

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...

user avatar

Senior Specialist, Electrical Engineer

New
L3Harris Technologies
Apply today! Be one of the first candidates to apply for maximum exposure.
Carlsbad, CA(On-Site/Office)
Posted today
TS/SCI
Not Specified

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...

user avatar

Director of Engineering for Mission Software

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

Title:Director of Engineering for Mission Software Belong. Connect. Grow. with KBR! KBR provides high-end engineering and advanced technology solutions to our customers in the intelligence and nationa...

user avatar

Functional Area Analyst I

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

Title:Functional Area Analyst IKBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communi...

user avatar

Radar Research Engineer

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

Title:Radar Research EngineerKBR is looking for a Radar Research Engineer to join our team in Chantilly, Virginia. In this role, you will push the boundaries of Synthetic Aperture Radar and Moving Tar...

user avatar

COMSEC Key Management Operator

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

Title:COMSEC Key Management OperatorAs a part of KBR you will work on some of the hardest problems in the Nation. You will work with some of the top experts in the industry and work for some of the mo...

user avatar

DevOps Engineer - TS/SCI Full Scope Poly

New
Zachary Piper Solutions, LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Raleigh, NC(On-Site/Office)
Posted today
TS/SCI
Full Scope Polygraph

Piper Companies is hiring a DevOps Engineer with a TS/SCI CI Polygraph for a large technical organization located in Raleigh, NC. The DevOps Engineer - TS/SCI Full Scope Poly will be designing, implem...

user avatar

DevOps Engineer - TS/SCI Full Scope Poly

New
Zachary Piper Solutions, LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Reston, VA(On-Site/Office)
Posted today
TS/SCI
Full Scope Polygraph

Piper Companies is hiring a DevOps Engineer with a TS/SCI CI Polygraph for a large technical organization located in Reston, VA. The DevOps Engineer - TS/SCI Full Scope Poly will be designing, impleme...

user avatar

Sr. Software Engineer - TS/SCI

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

Zachary Piper Solutions is seeking a Sr. Software Engineer - TS/SCI for a mission-focused technology organization supporting national security and advanced systems in the Reston, VA area. The Sr. Soft...

user avatar

Alternate Facility Security Officer (AFSO) - TS/SCI

New
Zachary Piper Solutions, LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Tysons, VA(On-Site/Office)
Posted today
TS/SCI
Polygraph

Piper Companies is hiring a Alternate Facility Security Officer (AFSO) - TS/SCI for a small technology company located in Chantilly, VA. The Alternate Facility Security Officer (AFSO) - TS/SCI will ne...

user avatar

Sr. Software Engineer - TS/SCI

New
Zachary Piper Solutions, LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Raleigh, NC(On-Site/Office)
Posted today
TS/SCI
Not Specified

Zachary Piper Solutions is seeking a Sr. Software Engineer - TS/SCI for a mission-focused technology organization supporting national security and advanced systems in the Raleigh-Durham, North Carolin...

user avatar

TechOps Administrator I

New
Zachary Piper Solutions, LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Atlanta, GA(On-Site/Office)
Posted today
TS/SCI
Full Scope Polygraph

Zachary Piper Solutions is seeking a TechOps Administrator I to support a Secure Operations Center (SOC) environment delivering 24x7x365 operational support for Azure core and Office 365 platforms. Th...

user avatar

TechOps Administrator I

New
Zachary Piper Solutions, LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Redmond, WA(On-Site/Office)
Posted today
TS/SCI
Full Scope Polygraph

Zachary Piper Solutions is seeking a TechOps Administrator I to support a Secure Operations Center (SOC) environment delivering 24x7x365 operational support for Azure core and Office 365 platforms. Th...

user avatar

Senior VDI Engineer (Horizon / VMware)

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

Zachary Piper Solutions is seeking a Senior VDI Engineer (Horizon / VMware) to support a mission-critical federal program. The Senior VDI Engineer will play a key role in designing, implementing, and ...

user avatar

Software Engineer - TS/SCI with Poly

New
Staffed4U LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Annapolis Junction, MD(On-Site/Office)
Posted today
TS/SCI
Polygraph

Software Engineer $160k- $230k Location: Annapolis Junction, MD Clearance Required: TS/SCI with Polygraph Experience Level: 7+ years of experience Education: Bachelor's degree in Computer Science, Eng...

S

Network Engineer - TS/SCI with Poly

New
Staffed4U LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Linthicum Heights, MD(On-Site/Office)
Posted today
TS/SCI
Polygraph

Network Engineer Location: Linthicum Heights, MD Clearance Required: TS/SCI with Polygraph Experience Level: Mid to Senior-Level Education: Bachelor's degree in Computer Science, Engineering, or a rel...

S

DevOps Software Engineer - TS/SCI with Poly

New
Staffed4U LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Annapolis Junction, MD(On-Site/Office)
Posted today
TS/SCI
Polygraph

DevOps Software Engineer $160k - $230k Location: Annapolis Junction, MD Clearance Required: TS/SCI with Polygraph Experience Level: 7+ years Education: Bachelor's Degree in Computer Science, Engineeri...

S

DevOps Software Engineer - TS/SCI with Poly

New
Staffed4U LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Annapolis Junction, MD(On-Site/Office)
Posted today
TS/SCI
Polygraph

DevOps Software Engineer $160k - $230k Location: Annapolis Junction, MD Clearance Required: TS/SCI with Polygraph Experience Level: 7+ years Education: Bachelor's Degree in Computer Science, Engineeri...

S
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