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 15,720

Top Secret / SCI Jobs requiring security clearance

Show:
Sort by:

DevOps/Cloud Engineer

New
Insight Global, Inc.
Apply today! Be one of the first candidates to apply for maximum exposure.
Posted today
5+ yrs exp
TS/SCI
CI Polygraph

Must Haves: -5+ years of overall development experience for IT systems and a Bachelor’s degree in Software Engineering, Computer Science, Information Systems, or equivalent field (*4 years of work exp...

user avatar

Site Security Manager

New
Insight Global, Inc.
Apply today! Be one of the first candidates to apply for maximum exposure.
Kahului, HI(On-Site/Office)
Posted today
5+ yrs exp
TS/SCI

Job Title: Site Security Manager Salary: $148,300.00/year (maximum) Clearance Required: Top Secret/SCI Location: Maui, HI Required Skills & Experience · Must have TS/SCI clearance and be willing/ab...

user avatar

Linux SME - FSP

New
DCI Solutions
Apply today! Be one of the first candidates to apply for maximum exposure.
Washington, DC(On-Site/Office)
Posted today
5+ yrs exp
TS/SCI
Full Scope Polygraph

Responsibilities: - Administer enterprise on Linux servers including operating system patching, security hardening, monitoring, and troubleshooting - Administer AWS cloud accounts with Terraform as...

user avatar

FSR Analyst - Washington, DC

New
DCI Solutions
Apply today! Be one of the first candidates to apply for maximum exposure.
Washington, DC(Off-Site/Hybrid)
Posted today
5+ yrs exp
TS/SCI

Serve as an FSR Analyst Work side-by-side with analysts to train and mentor users Troubleshoot technical issues and develop new use cases Solve unique and challenging problems Help facilitate coll...

user avatar

Infra Delivery Technician, ADC InfraOps Decom

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

DescriptionTransform network infrastructure by joining our dynamic team! You'll be at the forefront of developing innovative solutions that drive network stability and scalability, using your technica...

user avatar

Infra Delivery Technician, ADC InfraOps Decom

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

DescriptionTransform network infrastructure by joining our dynamic team! You'll be at the forefront of developing innovative solutions that drive network stability and scalability, using your technica...

user avatar

Senior Specialist, Contracts

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

Scientist, 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
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

Associate, Electrical Engineering (PCB)

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
CI 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 Manager, Systems Engineer

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

Ground Systems Engineer (Associate or Experienced)

New
Boeing
Apply today! Be one of the first candidates to apply for maximum exposure.
Seal Beach, CA(On-Site/Office)
Posted today
TS/SCI
Full Scope Polygraph

Job DescriptionAt Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with ...

user avatar

Senior AI/ML Computer Vision Engineer (TS/SCI w/ CI Poly Require

New
D9Tech Resources, LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Springfield, VA(On-Site/Office)
Posted today
5+ yrs exp
TS/SCI
CI Polygraph

Senior AI/ML Computer Vision Engineer (TS/SCI w/ CI Poly Required) We are supporting a high-impact, mission-focused program within the national security space and are seeking experienced AI/ML Engine...

user avatar

Software Engineer 2

New
PDS Defense Inc.
Apply today! Be one of the first candidates to apply for maximum exposure.
Redondo Beach, CA(On-Site/Office)
Posted today
5+ yrs exp
TS/SCI

W2 contract with weekly pay Pay Rate: $125-130/hr. (per diem rate available) 100% onsite in Redondo Beach, CA 12+ months contract with possible extension US Citizen with Active TS/SSBI Required Jo...

user avatar

Software Developer

New
TEKsystems c/o Allegis Group
Apply today! Be one of the first candidates to apply for maximum exposure.
Aurora, CO(On-Site/Office)
Posted today
5+ yrs exp
TS/SCI

Software Developer / Software Engineer Location: Aurora, CO or Fairfax/Linthicum, VA Clearance Required: Active Top Secret (SCI eligibility required; CI Poly obtainable) Overview We are seeking Soft...

user avatar

Senior Data Scientist TS/SCI W/FSP

New
IBM
Apply today! Be one of the first candidates to apply for maximum exposure.
Alexandria, VA(On-Site/Office)
Posted today
TS/SCI
None

A career in IBM Consulting is built on long-term client relationships and close collaboration worldwide. You'll work with leading companies across industries, helping them shape their hybrid cloud and...

user avatar

Security Consultant-Application Security

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

In this role, you'll work in one of our IBM Consulting Client Innovation Centers (Delivery Centers), where we deliver deep technical and industry expertise to a wide range of public and private sector...

user avatar

Information System Security Officer, Classified Cybersecurity

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

Job Number 725369BR Description:This position requires TS/SCI clearance with the ability to obtain a CI polygraph.This position will perform duties as an Information Systems Security Officer at the L...

user avatar

Systems Engineer Staff

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

Job Number 725013BR Description:The coolest jobs on this planet... or any other... are with Lockheed Martin Space OVERVIEW:At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innov...

user avatar

Proposal Analyst (TS clearance required)

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

Job Number 724895BR 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

Cybersecurity Engineer (Level 2-4)

New
Lockheed Martin
Apply today! Be one of the first candidates to apply for maximum exposure.
King Of Prussia, PA(On-Site/Office)
Posted today
TS/SCI
Not Specified

Job Number 724959BR 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
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