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

Cyber Defense Security Jobs in Texas

cyber defense security Texas

Viewing 1 - 20 of 281

Cyber Defense Security Jobs in Texas requiring security clearance

Show:
Sort by:

Salesforce Solutions Architect

Akima
Apply today! Be one of the first candidates to apply for maximum exposure.
North Bethesda, MD(On-Site/Office)
Posted 2 months ago
Public Trust
Not Specified

Akima Data Management (ADM), an Akima, LLC company provides turnkey solutions that offer better systems, tools, and methods to further your goals, reduce costs, and streamline operations. From requir...

user avatar

Information Systems Security Engineer (ISSE) SME

Leidos
Bethesda, MD(On-Site/Office)
Posted 1 month ago
Intel Agency
Polygraph

R-00179082Description Leidos has an exciting opportunity for Information Systems Security Engineer (ISSE) SME in our Intel Security Sector's Analysis Solutions Business Area.  Our talented ...

user avatar

Defensive Cyber Enterprise Engineer

MITRE Corporation
San Antonio, TX(On-Site/Office)
Posted 1 week 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

The B.E.A.T. Rowdy Runners - Project Based Internship

BEAT LLC
San Antonio, TX(On-Site/Office)
Posted 1 month ago
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...

user avatar

Project Leader

MITRE Corporation
San Antonio, TX(On-Site/Office)
Posted 3 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

Computer Network Defense Analyst (CNDA)

New
The Swift Group
Annapolis Junction, MD(On-Site/Office)
Dayton, OH(On-Site/Office)
Honolulu, HI(On-Site/Office)
San Antonio, TX(On-Site/Office)
Bluffdale, UT(On-Site/Office)
Posted 5 days ago
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...

user avatar

Specialist, Cyber Software Engineer

New
L3Harris Technologies
Apply today! Be one of the first candidates to apply for maximum exposure.
Greenville, TX(On-Site/Office)
Posted 4 days ago
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...

user avatar

Exploitation Analyst (EA)

New
The Swift Group
Annapolis Junction, MD(On-Site/Office)
Dayton, OH(On-Site/Office)
Honolulu, HI(On-Site/Office)
San Antonio, TX(On-Site/Office)
Bluffdale, UT(On-Site/Office)
Posted 5 days ago
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...

user avatar

IT CYBERSECURITY SPECIALIST (PLCYPLN/ENTARCH)

New
Department of the Air Force
Apply today! Be one of the first candidates to apply for maximum exposure.
Lackland Afb, TX(On-Site/Office)
Posted 3 days ago
DHS
Polygraph

Duties As a recognized defensive cyber expert serves as group defensive cyber operations technical advisor providing technical guidance, advisory support, training/certification and lead on projects a...

D

CPT Operator

DecisionPoint Corporation
San Antonio, TX(On-Site/Office)
Posted over 6 months ago
TS/SCI
Polygraph

Overview DecisionPoint is seeking experienced CPT Operators to join our team to serve on Cyber Protection Team (CPT) in either a Cyber Security Network Analyst position or Cyber Security Host Analyst...

user avatar

Lead Operational Technology (OT) Cybersecurity Engineer

MITRE Corporation
San Antonio, TX(On-Site/Office)
Posted 1 week ago
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...

user avatar

Cyberspace Operations Planner

Strategic Technologies Analytics Group (STAG)
San Antonio, TX(On-Site/Office)
Posted over 6 months ago
TS/SCI
Polygraph

Strategic Technologies Analytics Group (STAG) is a premier global solutions provider for national security and defense communities. STAG provides technical expertise in planning, collection, analysis,...

user avatar

Cyber Infrastructure Specialist, Lead

Leidos
San Antonio, TX(On-Site/Office)
Posted 1 week ago
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...

user avatar

Cybersecurity Project Manager

BTAS, Inc.
TX(On-Site/Office)
Posted 2 months ago
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...

user avatar

Linux Admin/Test Engineer

MAXISIQ
San Antonio, TX(On-Site/Office)
Posted over 6 months ago
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...

user avatar

Incident Responder

New
Maximus Inc
San Antonio, TX(On-Site/Office)
Posted 5 days ago
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

Offensive Cyber Operations Specialist - Red Team

New
Maximus Inc
San Antonio, TX(On-Site/Office)
Posted 5 days ago
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

Operational Technology (OT) Adversary Emulation Engineer

MITRE Corporation
San Antonio, TX(On-Site/Office)
Posted 3 weeks ago
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...

user avatar

Cyber Protection Professional

VALKYRIE ENTERPRISES, INC.
San Antonio, TX(On-Site/Office)
Posted 2 months ago
TS/SCI
Polygraph

Cyber Protection ProfessionalPurpose: Valkyrie Enterprises has a need for a Cyber Protection Team Member who will provide key support for the DCRIOS (Defensive Cyber Realization, Integration and Oper...

user avatar

Vulnerability Researcher/CNO Developer (Onsite)

Nightwing
San Antonio, TX(On-Site/Office)
Posted over 6 months ago
TS/SCI
Not Specified

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabi...

user avatar

Vulnerability Researcher/CNO Developer (Onsite)

Nightwing
San Antonio, TX(On-Site/Office)
Posted 3 months ago
TS/SCI
Not Specified

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabi...

user avatar

Principal or Sr. Principal Cybersecurity Systems Engineer

Northrop Grumman
San Antonio, TX(On-Site/Office)
Posted 1 week ago
Secret
Not Specified

RELOCATION ASSISTANCE: Relocation assistance may be availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incre...

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