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 18,144

Top Secret / SCI Jobs requiring security clearance

Show:
Sort by:

Specialist, Configuration Management

L3Harris Technologies
Apply today! Be one of the first candidates to apply for maximum exposure.
Cincinnati, OH(On-Site/Office)
Posted 1 month ago
Secret
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

Full Stack Developer (Senior Level)

RDR, Inc.
Apply today! Be one of the first candidates to apply for maximum exposure.
Chantilly, VA(On-Site/Office)
Posted 1 month ago
TS/SCI
Polygraph

The Full Stack Developer (with AWS Cloud) will play an integral part in the mission. Work on mission-critical government projects while progressing in your career. REQUIRED SKILLS:• Demonstrated...

user avatar

Cyber Security InfoSec Engineer

New
RCT Systems Inc
Apply today! Be one of the first candidates to apply for maximum exposure.
Posted today
10+ yrs exp
TS/SCI
Not Specified

Cyber Security InfoSec Engineer – Senior (TS/SCI with FSP Required) Location: Reston Salary Range: $174k-$188k RCT is seeking an Information Systems Security Engineer (ISSE) for a technical developmen...

user avatar

Software Engineer

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

At Two Six Technologies, we build, deploy, and implement innovative products that solve the world's most complex challenges today. Through unrivaled collaboration and unwavering trust, we push the bou...

user avatar

Orbital Warfare and Training Management Support

New
KBR
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

Title:Orbital Warfare and Training Management SupportKBR is hiring skilled and motivated candidates to join our Orbital Warfare team at Schriever SFB supporting Space Delta 9. An active TS/SCI with SA...

user avatar

Space Domain Awareness (SDA) Analyst

New
KBR
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

Title:Space Domain Awareness (SDA) AnalystKBR is seeking an experienced Space Domain Awareness (SDA) Analyst to support Combat Forces Command (CFC) S35D, as a contract staff member responsible for the...

user avatar

Security Support Services

New
Culpepper & Associates Security Services Inc (Aka Cass)
Apply today! Be one of the first candidates to apply for maximum exposure.
San Antonio, TX(On-Site/Office)
Posted today
5+ yrs exp
TS/SCI

Culpepper & Associates Security Services (CASS) is seeking a motivated, experienced security professionals to provide Non-Personal Security Support Services for the 688th Cyberspace Wing (688CW) at it...

user avatar

Engagement Manager, WWPS ProServe

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

DescriptionThe Amazon Web Services Professional Services (ProServe) team is seeking a highly skilled and versatile Engagement Manager (EM) to join our team and lead the delivery of complex cloud solut...

user avatar

Delivery Consultant, WWPS ProServe

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

DescriptionApplication deadline: May 17, 2026This position requires that the candidate selected be a US Citizen and obtain and maintain an active TS/SCI security clearance.The Amazon Web Services Prof...

user avatar

COMSEC Officer, US Amazon Dedicated Cloud Security

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

DescriptionAre you skilled at helping customers to address their program requirements? Do you want to learn the very latest in cloud web services technologies and securely apply them to some of the mo...

user avatar

M365 Lead Architect

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

M365 Lead Architect M365 / O365 Governance · SharePoint Migration · Workflow Modernization Position Overview This role leads end-to-end Microsoft 365 modernization for a mission-critical federal prog...

user avatar

Mission Analytics SME

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

Job Family :Operational Effectiveness Travel Required :Up to 10% Clearance Required :Active Top Secret SCI with Polygraph What You Will Do :Leverage technical expertise and familiarity with data, dat...

user avatar

Senior Program Manager

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

Description & Requirements We are seeking a highly experienced Program Manager to lead and oversee a complex, multi-task digital modernization program supporting the DOW. This role is ...

user avatar

Offensive Cyber Operations Specialist - Red Team

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

Description & Requirements Maximus supports mission-critical cyber operations across the Department of War (DoW) market, delivering mission-critical capabilities to assess, test, and s...

user avatar

Incident Responder

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

Description & Requirements Maximus provides cyber defense and incident response capabilities in support of DoW mission assurance objectives. This role focuses on rapid detection, educa...

user avatar

Cyber Threat Intelligence Analyst

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

Description & Requirements Maximus is looking to hire a Cyber Threat Intelligence Analyst.This position is onsite in San Antonio, TX, and requires an active TS/SCI security clearance. ...

user avatar

Full Motion Imagery (FMV) Analyst Journeyman

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

As an FMV Analyst Journeyman you will provide intelligence analysis/fusion PED support working a modified Panama schedule that support OCONUS operations. Drawing on your expertise, you'll provide vita...

user avatar

Software Developer - UI/UX - (L4 or L5)

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

We're looking for a Senior UI/UX Software Developer to help design and build modern, intuitive web applications supporting mission-critical systems. This is a unique opportunity to combine user experi...

user avatar

Data Center Engineer (Network)

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

ZP group is seeking an experienced Data Center Engineer to build, support, and maintain secure computing environments used for operational missions. This role plays a critical part in the design, depl...

user avatar

TechOps Administrator (Full Scope Poly)

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

Join Our Team as a TechOps Administrator at Zachary Piper Solutions!Are you a skilled TechOps Administrator seeking an opportunity to make a real impact? Look no further! Zachary Piper Solutions is a...

user avatar

Sr. UI/UX Software Engineer (Hybrid Remote - TS/SCI CI 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
Polygraph

Zachary Piper Solutions is seeking a Senior UI/UX Software Engineer to design and build modern, intuitive web applications supporting mission-critical systems. This role blends user experience design,...

user avatar

Systems Engineer Principal

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 Systems Engineer Principal (VDI) to support a mission-critical federal program. The Systems Engineer Principal will play a key role in designing, implementing, and...

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