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

National Security Defense Jobs in Texas

national security defense Texas

Viewing 1 - 20 of 673

National Security Defense Jobs in Texas requiring security clearance

Show:
Sort by:

Computer Network Defense, Advisor

Peraton
Apply today! Be one of the first candidates to apply for maximum exposure.
San Antonio, TX(On-Site/Office)
Posted 1 month ago
Top Secret
Not Specified

About PeratonPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading m...

user avatar

Computer Network Defense, Senior Associate

Peraton
San Antonio, TX(On-Site/Office)
Posted 1 month ago
Top Secret
Not Specified

About PeratonPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading m...

user avatar

Program Finance Systems Analyst II

New
Sierra Nevada Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
Plano, TX(On-Site/Office)
Posted 1 week ago
Secret
Not Specified

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator...

user avatar

Information Technology - Embedded S/W Engineer

Indotronix International Corp
Grand Prairie, TX(On-Site/Office)
Posted 1 month ago
Secret
Not Specified

Information Technology - Embedded S/W Engineer Grand Prairie, TX | Missiles & Fire ControlAbout the Role Step into a critical engineering position with Missiles & Fire Control, where you'll design, de...

user avatar

Systems Engineer II

Sierra Nevada Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
Plano, TX(On-Site/Office)
Posted 1 month ago
Secret
Not Specified

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator...

user avatar

Sr Systems Engineer

Sierra Nevada Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
Plano, TX(On-Site/Office)
Posted 1 month ago
Secret
Not Specified

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator...

user avatar

Sr Systems Engineer

Sierra Nevada Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
Plano, TX(On-Site/Office)
Posted 1 month ago
Secret
Not Specified

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator...

user avatar

Program Financial Analyst II

Sierra Nevada Corporation
Plano, TX(On-Site/Office)
Posted 2 months ago
Secret
Not Specified

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator...

user avatar

Mechanical Engineer II

Sierra Nevada Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
Plano, TX(On-Site/Office)
Posted 1 week ago
Secret
Not Specified

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator...

user avatar

Mechanical Engineer II

Sierra Nevada Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
Plano, TX(On-Site/Office)
Posted 1 week ago
Secret
Not Specified

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator...

user avatar

Principal DevSecOps Engineer

New
Lynx Software Technologies Inc
Apply today! Be one of the first candidates to apply for maximum exposure.
Palmdale, CA(On-Site/Office)
Fort Worth, TX(On-Site/Office)
Posted 5 days ago
Secret
Not Specified

Job Title: Principal DevSecOps EngineerLocation : Fort Worth, TX or Palmdale, CA. Salary Range: $160,000 - $200,000 + Bonus Eligible Security Clearance: Active Secret Clearance Required Company Overvi...

user avatar

Senior DevSecsOps Engineer

New
Lynx Software Technologies Inc
Apply today! Be one of the first candidates to apply for maximum exposure.
Palmdale, CA(On-Site/Office)
Fort Worth, TX(On-Site/Office)
Posted 5 days ago
Secret
Not Specified

Job Title: Senior DevSecOps EngineerLocation : Fort Worth, TX or Palmdale, CA. Salary Range: $120,000 - $160,000 + Bonus Eligible Security Clearance: Active Secret Clearance Required Company Overview ...

user avatar

Defensive Cyber Enterprise Engineer

MITRE Corporation
San Antonio, TX(On-Site/Office)
Posted 2 weeks ago
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...

user avatar

RF Engineer II - E3

Sierra Nevada Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
Plano, TX(On-Site/Office)
Posted 2 months ago
Secret
Not Specified

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator...

user avatar

RF Engineer III - E3

Sierra Nevada Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
Plano, TX(On-Site/Office)
Posted 2 months ago
Secret
Not Specified

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator...

user avatar

Sr Project Engineer

New
Sierra Nevada Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
Plano, TX(On-Site/Office)
Posted 3 days ago
TS/SCI
Not Specified

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator...

user avatar

Systems Engineer III - Model Based Systems Engineering (MBSE)

Sierra Nevada Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
Plano, TX(On-Site/Office)
Posted 3 weeks ago
Secret
Not Specified

Are you a visionary thinker? At SNC, we are committed to advancing aerospace and defense technologies, ensuring the safety of service members, and developing systems that keep our world united and sus...

user avatar

Senior Gen AI Developer

KBR
Apply today! Be one of the first candidates to apply for maximum exposure.
El Segundo, CA(On-Site/Office)
Houston, TX(On-Site/Office)
Posted 2 weeks ago
Secret
Not Specified

Title:Senior Gen AI Developer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligen...

user avatar

Military Fellowship Program: Subcontracts Lead

Sierra Nevada Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
Greenville, TX(On-Site/Office)
Posted 2 months ago
Secret
Not Specified

SNC's Military Fellowship Program partners with programs such as SkillBridge and Hiring Our Heroes to provide fellowship opportunities to service members transitioning to the civilian workforce. These...

user avatar

Sr Electrical Engineering Lead

Sierra Nevada Corporation
Apply today! Be one of the first candidates to apply for maximum exposure.
Plano, TX(On-Site/Office)
Posted 3 months ago
Top Secret
Not Specified

The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator...

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