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
IT - Security

IT - Security Jobs

Showing 4,262 Jobs

Sort by:
user avatar
Systems Engineer, Expert (Will Consider Senior)
Amentum•Chantilly, VA
TS/SCI Polygraph $200,000 - $220,000 / yr
Purpose and Impact: Amentum is seeking a Expert-level Systems Engineer/Technical Project Manager to support its federal client in Northern VA.The ideal candidate lead cross-functional teams to plan, ...
Promoted•Posted 3 weeks ago
user avatar
Unix Engineer
ClearanceJobs Workforce Solutions•Colorado Spgs, CO
Secret $140,000 - $145,000 / yr
Point Solutions Group, a subsidiary of ClearanceJobs is assisting our Colorado Springs based client with their search for a Unix Engineering work to be performed at Peterson Space Force Base, Colorado...
Promoted•Posted 5 days ago
user avatar
Cyber Systems Security Engineering Sr
Lockheed Martin•Orlando, FL
TS/SCI Not Specified $98,100 - $182,100 / yr
Job Number 11323 Standard Job Description What We're DoingAt Lockheed Martin, we are pushing the boundaries of innovation to solve some of the world's most complex challenges. In our Rotary and ...
Posted just now
user avatar
Systems Engineer 3 – Tier 2 Cloud & Enterprise Services
NineFX, Inc.•Fort Meade, MD
TS/SCI Full Scope Polygraph 10+ yrs exp
NineFX is seeking an accomplished senior-level System Engineer to lead requirements development, enterprise architecture design, integration planning, and technical assessments for highly complex miss...
Posted just now
user avatar
Pre-Award: MXM- Information System Security Manager III
Barbaricum•Crane, IN
TS/SCI Not Specified 5+ yrs exp
Barbaricum is a rapidly growing government contractor providing leading-edge support to federal customers, with a particular focus on Defense and National Security mission sets. We leverage more than ...
Posted just now
user avatar
CNO Vulnerability Researcher
MANTECH•Herndon, VA
TS/SCI Not Specified
MANTECH seeks a motivated, career and customer-oriented CNO Vulnerability Researcher to join our team . This position can be worked in Hanover, MD, Herndon, VA or San Antonio, TX. In this role, you wi...
Posted just now
user avatar
Cyber Systems Engineer
Marathon TS Inc•Sunnyvale, CA
TS/SCI Not Specified
Marathon TS Cyber Systems Engineer Sunnyvale, CA (onsite) Secret Cearance Required Marathon TS is seeking an Engineer that is responsible for maintaining the digital ecosystem across production and...
Posted just now
user avatar
Senior Information Systems Security Engineer
MANTECH•Washington, DC
TS/SCI Not Specified
MANTECH seeks a motivated, career and customer-oriented Senior Information Systems Security Engineer (ISSE) to join our team in Washington, D.C. This is an onsite position.The Information Systems Secu...
Posted just now
user avatar
IA/Cybersecurity Specialist (Secret) (4499)
Smartronix, LLC•Boston, MA
TS/SCI Not Specified $103,200 - $172,000 / yr
SMX is seeking Information Assurance/Cybersecurity Specialists (Junior, Mid, and Senior) with a foundation in information systems, multi-cloud, network administration, systems administration, and cybe...
Posted just now
user avatar
Navy TENCAP Representative to U.S. Fleet Cyber Command/TENTH Fle
GRVTY•Fort Meade, MD
TS/SCI CI Polygraph $167,725 - $239,608 / yr
What Impact You'll Have As the Navy Tactical Exploitation of National Capabilities (TENCAP) Representative to U.S. Fleet Cyber Command/TENTH Fleet's Navy Cryptologic Office (NCO) you will serve as...
Posted just now
user avatar
Information System Security Officer (ISSO)
Kentro•Remote/Hybrid • United States
Top Secret Not Specified $145,000 - $175,000 / yr
OverviewThank you for considering IT Concepts dba Kentro, where innovation drives opportunity and collaboration leads to success. Our dynamic community of experts is fully committed to advancing our c...
Posted just now
user avatar
Navy TENCAP Representative to U.S. Fleet Cyber Command/TENTH Fle
GRVTY•Fort Meade, MD
TS/SCI Not Specified $167,725 - $239,608 / yr
What Impact You'll Have As the Navy Tactical Exploitation of National Capabilities (TENCAP) Representative to U.S. Fleet Cyber Command/TENTH Fleet's Navy Cryptologic Office (NCO) you will serve as...
Posted just now
user avatar
Cryptologic Computer Scientist
AV, Inc.•Annapolis, MD
TS/SCI Polygraph $87,000 - $208,000 / yr
Worker Type Regular Job Description Summary The Cryptologic Computer Scientist will provide critical technical expertise to advance future cryptologic operations, solving some of the most complex c...
Posted just now
user avatar
Network Engineer, Lead (Top Secret clearance w/SCI eligibility a
American Systems Corporation•Chantilly, VA
TS/SCI Polygraph $160,000 - $190,000 / yr
AMERICAN SYSTEMS, a 100% employee-owned federal government contractor, is seeking a Lead Network Engineer to leverage their expertise in designing and implementing integrated, scalable on-premises pla...
Posted just now
user avatar
Cloud Infrastructure Architect
KRYPTAURI•Columbia
TS/SCI Full Scope Polygraph
Job DescriptionHigh-Performance Computing (HPC) Solutions ArchitectPosition OverviewWe are seeking an experienced HPC Solutions Architect to lead the design and modernization of advanced computing env...
Posted just now
user avatar
Information Systems Security Engineer (Skill Level 2)
Kaizen Approach•Annapolis Junction, MD
TS/SCI Polygraph 10+ yrs exp
Kaizen Approach is currently seeking an Information Systems Security Engineer to perform and review technical security assessments of computing environments in support of secure mission operations. In...
Posted just now
user avatar
Military Modernized GPS Cryptography Expert
TAD PGS•Yorba Linda, CA
Secret Not Specified 5+ yrs exp
Military Modernized GPS Cryptography ExpertThis position requires a candidate with extensive experience in GPS cryptography and modernization efforts for military applications. The ideal candidate wil...
Posted 1 hour ago
user avatar
Military Modernized GPS Cryptography Expert
TAD PGS, Inc.•Yorba Linda, CA
TS/SCI Polygraph 10+ yrs exp
Military Modernized GPS Cryptography ExpertThis position requires a highly skilled and experienced professional with expertise in GPS cryptography and modernization efforts for military applications. ...
Posted 1 hour ago
user avatar
Military Modernized GPS Cryptography Expert
TAD PGS, Inc.•Yorba Linda, CA
Secret Not Specified 5+ yrs exp
Military Modernized GPS Cryptography ExpertThis position requires a candidate with extensive experience in GPS cryptography and modernization efforts for military applications. The ideal candidate wil...
Posted 1 hour ago
user avatar
Information System Security Officer (MULTIPLE LEVELS)
Xpect Solutions, LLC•Remote/Hybrid • Various
Top Secret Not Specified 5+ yrs exp
Company Overview XPECT Solutions, LLC has built a strong reputation by supporting our clients in meeting their strategic goals and mission objectives. We provide high quality resources for a wide ran...
Posted 1 hour 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