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
Salary
Top Secret/SCI TEKsystems c/o Allegis Group

Top Secret / SCI Clearance Jobs at TEKsystems c/o Allegis Group

Showing 115 Jobs

Sort by:
user avatar
Service Desk Technician
TEKsystems c/o Allegis Group•San Antonio, TX
TS/SCI 5+ yrs exp $65,000 - $78,000 / yr
Top Skills' Details 3-6 Month contract, TS/SCI required 5-8 years of directly related experience in Service Desk and support. Experience in supporting classified intelligence networks is a plus. • Req...
Posted 2 days ago
user avatar
Windows System Administrator
TEKsystems c/o Allegis Group•Pentagon, DC
TS/SCI 5+ yrs exp
Windows Systems Administrator (TS/SCI Required) Location: Alexandria, VA (On-Site) Clearance: Active TS/SCI Required Certification: IAT Level II Certification Required (Security+ or Equivalent) Dur...
Posted 4 days ago
user avatar
Customer Support Specialist
TEKsystems c/o Allegis Group•Remote/Hybrid • King George, VA
TS/SCI <2 yrs exp $70,000 - $80,000 / yr
Job Description We are seeking a skilled Customer Technical Support Specialist to provide exceptional support in a hybrid work environment based in King George, Virginia. This role requires an active ...
Posted 4 days ago
user avatar
Windows Systems Administrator
TEKsystems c/o Allegis Group•Alexandria, VA
TS/SCI 5+ yrs exp $100,000 - $105,000 / yr
Job Description The Windows Systems Administrator will provide Tier I and Tier II systems administration and IT operations support within secure, classified environments. This role delivers subject ma...
Posted 4 days ago
user avatar
Senior DevOps Engineer
TEKsystems c/o Allegis Group•Herndon, VA • Charleston, SC
TS/SCI 10+ yrs exp
Senior DevOps Engineer (TS/SCI Required) Location: Herndon, VA or Charleston, SC (Onsite) Clearance: Active TS/SCI Required (CI Polygraph preferred or ability to obtain) Employment Type: Contract (...
Posted 5 days ago
user avatar
Senior ICAM Engineer
TEKsystems c/o Allegis Group•Herndon, VA • Hanahan, SC
TS/SCI 10+ yrs exp
Senior ICAM Engineer (TS/SCI Required) Locations: Herndon, VA (20171) or Hanahan, SC (29410) Work Schedule: 100% Onsite Clearance: Active TS/SCI Required Employment Type: Contract About the Role ...
Posted 5 days ago
user avatar
AI Engineer
TEKsystems c/o Allegis Group•Washington Dc Post Office, DC • Charleston, SC
TS/SCI 10+ yrs exp $145,000 - $250,000 / yr
Top Skills' Details 1) TS/SCI Clearance 2) Architect modular, interoperable agent ecosystems utilizing the Model Context Protocol (MCP) to standardize connections between foundation models, external t...
Posted 5 days ago
user avatar
VDI / Systems Administrator
TEKsystems c/o Allegis Group•Fort Shafter, HI
TS/SCI 5+ yrs exp $110,000 - $120,000 / yr
Join a mission-focused team supporting critical operations across classified and unclassified environments. We are seeking an experienced Systems Administrator with expertise in VDI, Windows Server ad...
Posted 5 days ago
user avatar
Helpdesk technician
TEKsystems c/o Allegis Group•Remote/Hybrid • King George, VA
TS/SCI 2+ yrs exp $70,000 - $85,000 / yr
Description The Customer Technical Support Specialist will be responsible for: • Assist users with account creation requests in AD, password resets, and token/PKI credential troubleshooting specific t...
Posted 5 days ago
user avatar
Kubernetes Platform Engineer
TEKsystems c/o Allegis Group•Wright Patterson Afb, OH
TS/SCI 5+ yrs exp $130,000 - $190,000 / yr
Kubernetes Platform Engineer Location: Wright Patterson AFB, OH (100% Onsite) Clearance: TS/SCI Required As a senior Kubernetes platform engineer, you can use your technical skills to affect mission-...
Posted 5 days ago
user avatar
Senior DevOps Engineer
TEKsystems c/o Allegis Group•Charleston, SC
TS/SCI CI Polygraph 10+ yrs exp $145,000 - $260,000 / yr
Senior DevOps Engineer seeking a DevOps Engineer to build, automate, and maintain the cloud infrastructure and secure deployment environments supporting mission applications and core services. This r...
Posted 6 days ago
user avatar
Linux Systems Admin
TEKsystems c/o Allegis Group•Richardson, TX
TS/SCI 2+ yrs exp $90,000 - $114,000 / yr
Linux Systems Administrator Location: Richardson, TX Schedule: Monday - Friday, Normal Business Hours Clearance Required: Active Top Secret Security Clearance Certification Required: DoD 8570/814...
Posted 1 week ago
user avatar
ICAM Engineer
TEKsystems c/o Allegis Group•Reston, VA • Charleston, SC
TS/SCI 10+ yrs exp $140,000 - $250,000 / yr
Location: Charleston, SC or Washington, DC metro area. This is a full-time, on-site role at a Government facility. acuCyber is seeking an Identity, Credential, and Access Management (ICAM) Engineer to...
Posted 1 week ago
user avatar
Senior DevOps Engineer
TEKsystems c/o Allegis Group•Charleston, SC • Reston, VA
TS/SCI 10+ yrs exp $140,000 - $250,000 / yr
acuCyber is seeking a DevOps Engineer to build, automate, and maintain the cloud infrastructure and secure deployment environments supporting mission applications and core services. This role combines...
Posted 1 week ago
user avatar
Information Systems Security Officer (ISSO)
TEKsystems c/o Allegis Group•Charleston, SC • Herndon, VA
TS/SCI 10+ yrs exp $140,000 - $250,000 / yr
acuCyber is seeking an Information Systems Security Officer (ISSO) to support the authorization and ongoing security of mission applications, cloud infrastructure, and enterprise core services. The IS...
Posted 1 week ago
user avatar
Mission Specialist
TEKsystems c/o Allegis Group•Eglin Air Force Base, FL
TS/SCI 10+ yrs exp $150,000 - $160,000 / yr
TEKsystems are seeking an experienced defense professional to support complex Department of Defense programs and mission-critical initiatives. This individual will lead projects, collaborate directly ...
Posted 1 week ago
user avatar
Systems Administrator/ Windows Desktop
TEKsystems c/o Allegis Group•Bellevue, NE
TS/SCI 2+ yrs exp $60,000 - $75,000 / yr
TEKsystems has an immediate opening for a Systems Administrator/ Windows Desktop in support of a large governmnet program at Offutt AFB. Must have: Active Top Secret Clearance w/ SCI eligibility Ce...
Posted 1 week ago
user avatar
Business Continuity Analyst
TEKsystems c/o Allegis Group•Chantilly, VA
TS/SCI Full Scope Polygraph 5+ yrs exp $100,000 - $160,000 / yr
TEKsystems is looking for an experienced Business Continuity and Operational Resilience professional to join our client’s team in a permanent, fully on-site role in Chantilly, Virginia. This position ...
Posted 2 weeks ago
user avatar
Model Based Systems Engineer
TEKsystems c/o Allegis Group•San Diego, CA
TS/SCI 2+ yrs exp $100,000 - $160,000 / yr
TEKsystems is looking for an experienced Systems Engineer to join our client’s team in a permanent, on-site role supporting a NAVWAR customer. This is an opportunity to apply Model-Based Systems Engin...
Posted 2 weeks ago
user avatar
Space Mission Analyst
TEKsystems c/o Allegis Group•Washington, DC
TS/SCI 5+ yrs exp $150,000 - $170,000 / yr
TEKsystems is looking for an experienced Mission Analyst to join our client’s team in a permanent, on-site position supporting Air Force and Space Force stakeholders at the Pentagon. This is an opport...
Posted 2 weeks ago
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