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 17,616

Top Secret / SCI Jobs requiring security clearance

Show:
Sort by:

Salesforce Application Developer

steampunk
Apply today! Be one of the first candidates to apply for maximum exposure.
Mclean, VA(On-Site/Office)
Posted 3 months ago
Public Trust
Not Specified

Overview As a Steampunk Salesforce Developer , you will work with Technical/Solutions Architects and Business Analysts to translate business requirements into well - architected solutions that best ...

user avatar

Operational Planner

Seneca Holdings
Shaw(On-Site/Office)
Posted 3 months ago
TS/SCI
Not Specified

Great Hill Solutions, LLC is part of the Seneca Nation Group (SNG) portfolio of companies. SNG is Seneca Holdings' federal government contracting business that meets mission-critical needs of federal ...

user avatar

Network Engineer Associate

New
Lockheed Martin
Apply today! Be one of the first candidates to apply for maximum exposure.
Posted today
TS/SCI
Polygraph

Job Number 723219BR Description:The Network Engineer responsibilities include:- Designs and plans network communications systems. Provides specifications and detailed schematics for network architect...

user avatar

Information Systems Security Officer, Classified Cybersecurity

New
Lockheed Martin
Apply today! Be one of the first candidates to apply for maximum exposure.
Posted today
TS/SCI
Polygraph

Job Number 722252BR Description:This position will perform duties as a Computer System Administrator with secondary duties as a Classified Cybersecurity Information Systems Security Officer (ISSO) fo...

user avatar

Information Systems Security Officer, Classified Cybersecurity

New
Lockheed Martin
Apply today! Be one of the first candidates to apply for maximum exposure.
Posted today
TS/SCI
Polygraph

Job Number 722255BR Description:This position will perform duties as a Classified Cybersecurity Information Systems Security Officer (ISSO) for the LM Space facility in Cape Canaveral, FL.Classified ...

user avatar

Cyber Software Engineer

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

Job Number 719961BR Description:You will be a Cyber Software Engineer for a research and development team which is responsible for investigating and exploiting the newest technological advances to re...

user avatar

ServiceNow Developer

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

Responsibilities & Qualifications RESPONSIBILITIES Monitor health, usage, and overall compliance of ServiceNow and its applications. Assist in building and maintaining internal technical documentat...

user avatar

Dev Sec Ops Engr - Platform Engineer / Deployment Orchestration

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
Polygraph

Job Number 715254BR Description:Job 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...

user avatar

TTG-203 - Systems Engineer - $306,000 Total Compensation

New
TTG Solutions Inc.
Apply today! Be one of the first candidates to apply for maximum exposure.
Herndon, VA(On-Site/Office)
Posted today
10+ yrs exp
TS/SCI
Polygraph

Summary TTG Solutions is seeking an experienced Systems Engineer with a strong foundation in Windows and Linux operating systems. We are looking for a candidate who excels in system hardening, securit...

user avatar

TTG-230 - Systems Engineer - $265,100 Total Compensation

New
TTG Solutions Inc.
Apply today! Be one of the first candidates to apply for maximum exposure.
Chantilly, VA(On-Site/Office)
Posted today
5+ yrs exp
TS/SCI
Polygraph

Summary TTG Solutions is seeking experienced Systems Engineers to join our innovative technology team. We are looking for highly skilled individuals with a background in system automation and infrastr...

user avatar

TTG-228 - Network Engineer - $337,250 Total Compensation

New
TTG Solutions Inc.
Apply today! Be one of the first candidates to apply for maximum exposure.
Chantilly, VA(On-Site/Office)
Posted today
10+ yrs exp
TS/SCI
Polygraph

Summary TTG Solutions is seeking highly experienced Network Engineers to join our team, specializing in cloud environments and network security. The ideal candidate will possess a deep understanding o...

user avatar

TTG-286 - Systems Engineer - $265,100 Total Compensation

New
TTG Solutions Inc.
Apply today! Be one of the first candidates to apply for maximum exposure.
Herndon, VA(On-Site/Office)
Posted today
5+ yrs exp
TS/SCI
Polygraph

Summary TTG Solutions is seeking a versatile Senior Software Developer with expertise in secure software engineering. We are looking for a professional who can blend technical proficiency in developme...

user avatar

TTG-251 - Systems Engineer - $356,350 Total Compensation

New
TTG Solutions Inc.
Apply today! Be one of the first candidates to apply for maximum exposure.
Chantilly, VA(On-Site/Office)
Posted today
10+ yrs exp
TS/SCI
Polygraph

Summary TTG Solutions is seeking experienced Systems Engineers to support our technology-based programs. We are looking for individuals with a strong background in system automation, infrastructure as...

user avatar

TTG-285 - Systems Engineer - $315,450 Total Compensation

New
TTG Solutions Inc.
Apply today! Be one of the first candidates to apply for maximum exposure.
Mclean, VA(On-Site/Office)
Posted today
10+ yrs exp
TS/SCI
Polygraph

Summary TTG Solutions is seeking a talented and detail-oriented Data Center Engineer to join our team, primarily based at our McLean location. We are looking for experienced system engineers to enhanc...

user avatar

TTG-284 - Software Engineer - $316,900 Total Compensation

New
TTG Solutions Inc.
Apply today! Be one of the first candidates to apply for maximum exposure.
Herndon, VA(On-Site/Office)
Posted today
10+ yrs exp
TS/SCI
Polygraph

Summary TTG Solutions is seeking a talented Software Developer with strong DevOps expertise to join our innovative technology program. We are searching for an individual who can enhance systems for im...

user avatar

TTG-283 - Cyber Security Systems Engineer (ISSE) - $300,500 Tota

New
TTG Solutions Inc.
Apply today! Be one of the first candidates to apply for maximum exposure.
Chantilly, VA(On-Site/Office)
Posted today
10+ yrs exp
TS/SCI
Polygraph

Summary TTG Solutions is seeking experienced Cyber Security Systems Engineers to lead and support diverse Assessment and Authorization (A&A) projects. We are looking for individuals with a robust back...

user avatar

Sr. Process Engineer

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

Requisition Number: 27950 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: - $114,002.13 Security Clearance: TS/SCI with Poly Level of Experience: Mid T...

user avatar

Senior Software Engineer 1

New
HII Mission Technologies
Apply today! Be one of the first candidates to apply for maximum exposure.
Oklahoma City, OK(On-Site/Office)
Posted today
TS/SCI
Not Specified

Requisition Number: 28509 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $105,536.00 - $160,000.00 Security Clearance: TS/SCI Level of Experience: Sen...

user avatar

Modeling & Simulation Integrator / Operator (Engineer Sys Mod Si

New
HII Mission Technologies
Apply today! Be one of the first candidates to apply for maximum exposure.
Colorado Springs, CO(On-Site/Office)
Posted today
TS/SCI
Not Specified

Requisition Number: 27257 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $96,824.00 - $140,000.00 Security Clearance: TS/SCI Level of Experience: Mid ...

user avatar

Mechanical Engineer - Multiple Levels (Engineer Mechanical) - 27

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

Requisition Number: 27766 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $84,285.00 - $224,000.00 Security Clearance: TS/SCI Level of Experience: Mid ...

user avatar

Director, Programs (Dir Programs 1)- 28422

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

Requisition Number: 28422 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: $161,015.00 - $215,000.00 Security Clearance: TS/SCI Level of Experience: Man...

user avatar

Project Manager

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

Markon is seeking a Facilities Project Manager to support an Intelligence Community customer. The ideal candidate will have strong construction management experience and the ability to oversee complex...

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