ClearanceJobs
  • Candidates
  • Employers
  • Hiring Companies
  • News & Career Advice
  • Login
  • Register now

IT - Security Jobs in Texas

IT - Security Texas

Viewing 1 - 20 of 136

IT - Jobs in Texas requiring security clearance

Show:
Sort by:

Senior Specialist, Information Security Systems Engineer

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

F-35 Cyber Proposal Lead - Level 4

New
Lockheed Martin
Apply today! Be one of the first candidates to apply for maximum exposure.
Fort Worth, TX(On-Site/Office)
Posted today
Secret
Not Specified

Job Number 719371BR Description:This position is for a Cyber Security Engineering (CSE) Proposal Integrator and Control Account Manager (CAM). In this capacity, the candidate will support CSE Leads b...

user avatar

Cyber Engineering Intern - Summer 2026

New
CACI
Apply today! Be one of the first candidates to apply for maximum exposure.
Austin, TX(On-Site/Office)
Posted today
TS/SCI
Polygraph

Job Title: Cyber Engineering Intern - Summer 2026Job Category: Intern/Co-opTime Type: Part timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: Part-Time On-CallPercentage of T...

user avatar

Cybersecurity Project Manager

New
BTAS, Inc.
Apply today! Be one of the first candidates to apply for maximum exposure.
Jbsa-lackland, TX(On-Site/Office)
Posted today
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

Cybersecurity Administrator

New
Aleut Federal LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
San Antonio, TX(On-Site/Office)
Posted today
TS/SCI
Not Specified

About Aleut FederalAleut Federal is an Alaskan Native-owned enterprise dedicated to supporting the Unangax people of the Aleutian Islands. We provide top-notch service to various branches of the feder...

user avatar

Senior CNO Vulnerability Researcher

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

MANTECH seeks a motivated, career and customer-oriented Senior CNO Vulnerability Researcher to join our team in San Antonio, TX. In this role, you will lead and execute advanced vulnerability research...

user avatar

CNO Vulnerability Research Expert

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

MANTECH seeks a motivated, career and customer-oriented CNO Vulnerability Research Expert to join our team in San Antonio, TX. In this role, you will support critical national security missions by ide...

user avatar

Cyber Security Engineer

New
Maximus Inc
Apply today! Be one of the first candidates to apply for maximum exposure.
San Antonio, TX(On-Site/Office)
Posted 2 days ago
TS/SCI
Not Specified

Description & Requirements Maximus is a trusted federal partner supporting mission-critical programs across national security, defense, and public service delivery. Recent contract awa...

user avatar

Specialist, Cyber Intelligence

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
Top Secret
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

Information Systems Security Officer (ISSO)

New
Contact Government Services, LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Dallas, TX(On-Site/Office)
Austin, TX(On-Site/Office)
Posted 4 days ago
Secret
Not Specified

ISSOEmployment Type: Full-Time, Experienced Department: Information Technology CGS is seeking an Information Systems Security Officer (ISSO) with DIACAP and/or RMF experience who has deep expertise in...

user avatar

Vulnerability Researcher/ CNO Developer II (Onsite)

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

DoD SkillBridge Internship – Cyber & Information Systems Suppo

New
Aegis Aerospace Inc
Apply today! Be one of the first candidates to apply for maximum exposure.
Houston, TX(On-Site/Office)
Posted 4 days ago
Secret
Not Specified

Position Title: DoD SkillBridge Internship - Cyber & Information Systems Support (Space Test Program, DHSTO) Location: Webster / Houston, Texas Relocation Assistance: Not available for internship posi...

user avatar

Information Security Specialist III

New
Galapagos Federal Systems LLC
Apply today! Be one of the first candidates to apply for maximum exposure.
Fort Hood, TX(On-Site/Office)
Posted 5 days ago
Secret
Not Specified

OverviewJob SummaryKaiHonua, LLC has an immediate opening for an Information Security Specialist to join our rapidly growing team. The Information Security Specialist performs under general direction ...

user avatar

Cyber Engineer

New
CACI
Apply today! Be one of the first candidates to apply for maximum exposure.
Austin, TX(On-Site/Office)
Posted 5 days ago
TS/SCI
Polygraph

Job Title: Cyber EngineerJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Tr...

user avatar

Information System Security Officer

New
CACI
Apply today! Be one of the first candidates to apply for maximum exposure.
Austin, TX(On-Site/Office)
Posted 5 days ago
TS/SCI
Not Specified

Job Title: Information System Security OfficerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: Up...

user avatar

Information Assurance Security Specialist (Vulnerability Assessm

New
X Technologies, Inc
Apply today! Be one of the first candidates to apply for maximum exposure.
San Antonio, TX(On-Site/Office)
Posted 5 days ago
Public Trust
Not Specified

Information Assurance Security Specialist (Vulnerability Assessment Analyst) Location: San Antonio, TX (In Office) Job Description: Executes vulnerability management activities for DDSB syst...

user avatar

Content Developer

New
TEKsystems c/o Allegis Group
Apply today! Be one of the first candidates to apply for maximum exposure.
San Antonio, TX(On-Site/Office)
Posted 6 days ago
5+ yrs exp
TS/SCI

Summary Overview: We are seeking an experienced Cyber Content Developer to support Defensive Cyber Operations (DCO) for U.S. Air Force cyber defense units. In this role, you will design, build, and ma...

user avatar

Senior Information System Security Officer (ISSO) - McKinney, TX

New
RTX
Apply today! Be one of the first candidates to apply for maximum exposure.
Mckinney, TX(On-Site/Office)
Posted 6 days ago
Secret
Not Specified

Date Posted:2026-02-25Country:United States of AmericaLocation:US-TX-MCKINNEY-513WC ~ 2501 W University Dr ~ WING C BLDGPosition Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requi...

user avatar

Cyber Analyst / Digital Transfer Agent - Plano, TX

New
RTX
Apply today! Be one of the first candidates to apply for maximum exposure.
Plano, TX(On-Site/Office)
Posted 6 days ago
Top Secret
Not Specified

Date Posted:2026-02-27Country:United States of AmericaLocation:US-TX-PLANO-465 ~ 465 Independence Pkwy ~ INDEPENDENCEPosition Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirem...

user avatar

Security Administrator

New
Cayuse Technologies
Apply today! Be one of the first candidates to apply for maximum exposure.
Austin, TX(On-Site/Office)
Posted 6 days ago
Confidential
Not Specified

Overview JOB TITLE: Security Administrator - Multiple Levels Available CAYUSE COMPANY: Cayuse Civil Services, LLC LOCATION Austin, TX - Hybrid SALARY: $130,000.00 - $180,000.00 **This positio...

user avatar
ClearanceJobs
  • About Us
  • Support
  • Browse Jobs
  • Security Clearance FAQs
  • AgileATS
  • FedWork
  • Blog
  • Privacy Policy
  • Terms of Service
  • My Privacy Rights
  • Pay My Bill
  • Contact Us
  • EULA
Download on the App StoreGet it on Google Play

© 2026 ClearanceJobs - All rights reserved. ClearanceJobs is a DHI service.