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
cyber defense security Texas

Cyber Defense Security Jobs in Texas

Showing 314 Jobs

Sort by:
user avatar
Cyber Security/Network Defense Analyst
Abacus Technology Corporation•San Antonio, TX
Intel Agency Not Specified
OverviewAbacus Technology is seeking a Cyber Security/Network Defense Analyst to provide technical support for the AFCENT Network Operations and Security Center (NOSC) at Lackland AFB as part of a 24/...
Posted 4 days ago
user avatar
Defensive Cyber Enterprise Engineer
MITRE Corporation•San Antonio, TX
Secret Not Specified
Why choose between doing meaningful work and having a fulfilling life? At MITRE, you can have both. That's because MITRE people are committed to tackling our nation's toughest challenges-and we're com...
Posted 2 months ago
user avatar
The B.E.A.T. Rowdy Runners - Project Based Internship
BEAT LLC•San Antonio, TX
Secret Not Specified
STUDENTS ONLYPurpose Business Enabled Acquisition & Technology (B.E.A.T.) is a Small Business Administration 8(a) global cybersecurity & information technology solutions provider Headquartered...
Posted 2 months ago
user avatar
Penetration Tester
Tharros Defense, Inc.•San Antonio, TX
Top Secret Not Specified
Job Description Are you a problem solver? Do you like complex, challenging puzzles? This position involves a blending of several disciplines to include, but not limited, penetration testing, reverse e...
Posted 1 month ago
user avatar
Computer Network Defense Analyst (CNDA)
The Swift Group•Annapolis Junction, MD
TS/SCI Polygraph
For the OPS Consulting team, 'the power to help' means helping our clients, helping serve the mission, helping our employees and their families, and helping the community. Headquartered in Hanover, MD...
Posted 1 month ago
user avatar
Cyber Defense Operator
Insight Global, Inc.•San Antonio, TX
TS/SCI <2 yrs exp
Required Skills & Experience * TS/SCI Clearance * GCFA Certification or multiple GIAC certs * Ability to work a 24/7/365 support mission * 1-4 years of experience working with DoD customers in Cyber I...
Posted 2 weeks ago
user avatar
Specialist, Cyber Software Engineer
L3Harris Technologies•Greenville, TX
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...
Posted 1 month ago
user avatar
Cyber Range Engineer
By Light Professional IT Services•San Antonio, TX
TS/SCI CI Polygraph
By Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next. He...
Posted 2 weeks ago
user avatar
Cyber Range Engineer
By Light Professional IT Services•San Antonio, TX
TS/SCI CI Polygraph
By Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next. He...
Posted 8 hours ago
user avatar
Exploitation Analyst (EA)
The Swift Group•Annapolis Junction, MD
TS/SCI Polygraph
For the OPS Consulting team, 'the power to help' means helping our clients, helping serve the mission, helping our employees and their families, and helping the community. Headquartered in Hanover, MD...
Posted 1 month ago
user avatar
Staff Cyber Systems Engineer
Northrop Grumman•San Antonio, TX
Secret Not Specified
RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredibl...
Posted 6 days ago
user avatar
Cybersecurity Engineer
MITRE Corporation•San Antonio, TX
Secret Not Specified
Why choose between doing meaningful work and having a fulfilling life? At MITRE, you can have both. That's because MITRE people are committed to tackling our nation's toughest challenges-and we're com...
Posted 5 days ago
user avatar
Range Technician
Tharros Defense, Inc.•San Antonio, TX
Top Secret Not Specified
Job Description We're Hiring! Exciting opportunities for Range Technicians at Tharros! The Air Combat Command's 67th Cyberspace Wing (67 CW), 346th Test Squadron (346TS) plans, executes, and contribu...
Posted 1 week ago
user avatar
Cyber Security SME
Leidos•San Antonio, TX
Secret Not Specified
R-00186790Description The Defense Sector at Leidos currently has an opening for a Cyber Security SME with an active SECRET clearance! Position Overview We are seeking an experienced Cyber Security Sub...
Posted 9 hours ago
user avatar
Linux Admin/Test Engineer
MAXISIQ•San Antonio, TX
TS/SCI CI Polygraph
Company DescriptionAt MAXISIQ, curious minds tackle real-world cyber challenges that matter. Teams develop, test, and secure advanced technology powering today's and tomorrow's missions. We experiment...
Posted over 6 months ago
user avatar
Lead Operational Technology (OT) Cybersecurity Engineer
MITRE Corporation•San Antonio, TX
Top Secret None
Why choose between doing meaningful work and having a fulfilling life? At MITRE, you can have both. That's because MITRE people are committed to tackling our nation's toughest challenges-and we're com...
Posted 2 months ago
user avatar
Cyber Quality Engineer - Grand Prairie, TX
Lockheed Martin•Grand Prairie, TX
Secret Not Specified
Job Number 730028BR Description:Lockheed Martin is seeking a Cybersecurity Quality Engineer familiar with cyber requirements for a position in Grand Prairie, TX.You will be the Cyber Quality Engineer...
Posted 1 month ago
user avatar
Cyberspace Operations Planner
Strategic Technologies Analytics Group (STAG)•San Antonio, TX
TS/SCI CI Polygraph 10+ yrs exp
STAG CareersCyberspace Operations PlannerCyberspace Operations PlannerStrategic Technologies Analytics Group (STAG) is a premier global solutions provider for national security and defense communities...
Posted 1 week ago
user avatar
Cyber Infrastructure Specialist, Lead
Leidos•San Antonio, TX
Secret Not Specified
R-00182899Description At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to mission success. We empower our teams, contribute to our co...
Posted 1 month ago
user avatar
Cybersecurity Project Manager
BTAS, Inc.•TX
TS/SCI Not Specified
POSITION: Cybersecurity Project Manager LOCATION: JBSA-Lackland, TX REQUIRED SECURITY CLEARANCE: TS/SCI with potential for higher read-ins POSITION TYPE/STANDARD WORK HOURS: Full-time (on-site)/40 hou...
Posted 3 months 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