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273 ts sci jobs at 67 companies in San Marcos, TX

1mo
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Cleared Escort | TS/SCI
San Antonio, Texas, United States
$41/hr OnsiteFull Time
IDS International
IDS International: Global training, logistics, and security for government agencies.
Active TS/SCI clearance and U.S. citizenship required; ability to escort and monitor uncleared personnel in secure facilities, enforce security procedures, maintain situational awareness, communicate with stakeholders, and meet physical demands including extended walking/standing.
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2mo
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Infrastructure Engineer (TS/SCI CI Poly)
Arlington or San Antonio or Satellite Beach or Dayton
OnsiteFull Time
Seamless Migration
Seamless Migration: Provides IT consulting and ServiceNow automation services for organizations.
TS/SCI clearance with CI Poly, strong Linux admin, IaC (Terraform/Ansible), ServiceNow infra design/deployment, and experience in secure enclave environments.
Linux, RHEL, Terraform, Ansible, ServiceNow
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1mo
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Software Engineer, Principal - TS/SCI
Centreville or Herndon or Columbia or Augusta or San Antonio or United States
$125k-$225k/yr HybridFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
10+ YOE10+ years software engineering experience, C/C++ proficiency, strong Windows knowledge, Git familiarity, active Top Secret/SCI clearance, bachelor’s in CS preferred, documentation and collaboration skills.
C/C++, Git, Python, CI/CD, Windows APIs, win32, Windows Native
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DevSecOps Engineer (TS/SCI Clearance or Eligibility Required)
San Antonio, Texas, United States
$140k-$160k/yr OnsiteFull Time
CNF Technologies
CNF Technologies: Cybersecurity firm providing R&D and engineering for defense clients.
5+ YOEActive TS/SCI clearance or eligibility; 5+ years in DevOps/Systems Engineering; GitOps/CI/CD, IaC (Terraform, Ansible, Packer), virtualization (Libvirt/QEMU/AWS/Azure); scripting (Python, Bash, PowerShell); Agile/Scrum; on-site in San Antonio.
GitLabCI, Jenkins, Terraform, Ansible, Packer, Libvirt, QEMU, AWS, Azure, Python, Bash, PowerShell
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4d
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Armed Security Officer TS/SCI w/ Poly (Part Time )
San Antonio, Texas, United States
OnsitePart Time
Patriot Group International
Patriot Group International: Specialized mission support and security services for high-threat environments.
1+ YOETS/SCI with poly required; 21+ years; 1+ year security or 2+ years military service; high school diploma/GED; complete Texas DPS commissioning and weapons training; pass drug screen and background; English fluent; reliable transportation.
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4d
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Armed Security Officer TS/SCI w/ Poly (Part Time )
San Antonio, Texas, United States
OnsitePart Time
Patriot Group International
Patriot Group International: Provides mission support and training for defense and intelligence agencies.
1+ YOETS/SCI with poly required; 1+ year security/law enforcement or 2+ years military service; 21+ years old; high school diploma/GED; Texas DPS Commissioned Security Officer certification and handgun/shotgun training; reliable transportation; English proficiency.
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Federal Installation Support Service Technician, Clearance Required TS/SCI with Poly, San Antonio, TX, Onsite
San Antonio, Texas, United States
$93k-$214k/yr OnsiteFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides global edge-to-cloud technology solutions and IT infrastructure services.
6+ YOEUS citizenship and active TS/SCI with full-scope poly required. Expert technical experience (6+ years), mission critical/ITIL certifications preferred, bachelor’s or associate (technical) preferred.
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SPG Call Center Team Member, (Clearance Required, TS/SCI with Poly) Onsite, San Antonio, TX
San Antonio, Texas, United States
$72k-$164k/yr OnsiteFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides edge-to-cloud IT infrastructure and platform services.
5+ YOEUS Citizenship and TS/SCI with Full Scope Poly required; experienced technical specialist with 5+ years related experience preferred; strong consulting, problem-solving, and communication skills; bachelor’s degree preferred.
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SPG Call Center Team Member, (Clearance Required, TS/SCI with Poly) Onsite, San Antonio, TX
San Antonio, Texas, United States
$72k-$164k/yr OnsiteFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Providing global edge-to-cloud infrastructure and IT solutions for businesses.
5+ YOEUS citizenship and active TS/SCI with Full Scope Poly clearance required. Onsite daily work. Preferred bachelor's degree or associate (technical) with 5-7 years experience. Shift flexibility for days/nights; strong technical, consulting, and communication skills.
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2mo
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Front End Developer - React
Austin, Texas, United States
$90k-$190k/yr HybridFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOE5+ years React/Redux with TS/JS, API design, hybrid Austin onsite 2-3 days, TS/SCI eligible, Bachelor’s in CS or equivalent experience.
React, Redux, RTK Query, TypeScript, JavaScript, Node.js, Jest, Cypress, Leaflet, Material UI, Git, Bitbucket, CI/CD
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3w
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Artificial Intelligence Agent Engineer
San Antonio or Lackland Air Force Base
OnsiteFull Time
STS Government Solutions
STS Government Solutions: Provides professional mission and technical support to government agencies.
5+ YOEBachelor's in CS/IT,5+ years relevant experience,required certifications listed,TS/SCI clearance required.
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2mo
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Financial Management Analyst
San Antonio, Texas, United States
OnsiteFull Time
Bristol Bay Native Corporation
Bristol Bay Native Corporation: Alaska Native providing diversified government and commercial services.
3+ YOEThree+ years of DoD financial analysis experience; DoD programs knowledge; bachelor’s preferred; TS/SCI clearance.
DoD financial programs, Budget analysis tools
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Vulnerability Researcher I/II (Cyber264)
St. Petersburg or Melbourne or San Antonio
OnsiteFull Time
Research Innovations
Research Innovations: Provides software and cybersecurity solutions for national defense agencies.
Security researcher with reverse engineering and vulnerability analysis across architectures; requires TS/SCI clearance; full-time.
Python, C, x86, ARM, Windows, Linux, macOS, Networking, TLS, Cryptography
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EOA Technologies LLC - SKILLBRIDGE INTERN CABLE & TELECOMMUNICATION INFRASTRUCTURE TECHNICIAN: INDEPENDENT TECHNICIAN
San Antonio or Columbus or Columbia
OnsiteInternship
EOA Technologies
EOA Technologies: Designs and manages secure IT infrastructure for government agencies.
Active TS/SCI with polygraph; SkillBridge internship; copper and fiber installations; testing, troubleshooting; read blueprints; ensure standards.
Fiber optic installation, Copper installation, Testing and diagnostics, Blueprint interpretation
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Identity / Risk Management Specialist (Mission Assurance 3) - 28797 (San Antonio, TX, Alabama, United States)
San Antonio, Texas, United States
$83k-$145k/yr OnsiteFull Time
HII
HIINYSE: HII: Builds naval ships and provides global defense technology solutions.
5+ YOETS/SCI clearance, mid-level experience, identity/risk management focus, travel 0-10%, full-time.
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2mo
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Financial Management Analyst
San Antonio, Texas, United States
OnsiteFull Time
TekPro Support Services
TekPro Support Services: Provides professional and technical services to federal government agencies.
3+ YOE3+ years DoD financial analysis experience; DoD financial programs knowledge; Bachelor's degree preferred; TS/SCI clearance
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Critical Infrastructure Mechanical Engineer, Field Engineering
San Antonio, Texas, United States
$97k-$160k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
Bachelor's in mechanical engineering; experience with data centers; problem solving; project management; TS/SCI clearance with polygraph; US driver license.
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Principal/Sr Principal Cyber Protection Engineer
San Antonio, Texas, United States
$104k-$155k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEUS citizen; Top Secret/SCI clearance; DoD 8570 IAT Level II+; cloud security, penetration testing; AWS/Azure; CI/CD; Docker/Kubernetes; Windows/Linux; scripting; TS/SCI preferred.
AWS, Azure, Docker, Kubernetes, GitHub Actions, GitLab CI/CD, Jenkins, Azure DevOps, Python, Bash, PowerShell, Terraform, Ansible, CloudFormation, Splunk, CICD tools
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1w
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Information Systems Security Manager (ISSM) I
San Antonio, Texas, United States
$100k-$135k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
5+ YOETS clearance required, ability to obtain TS/SCI+polygraph,5+ years related experience, knowledge of RMF/JSIG, prior ISSO/ISSM experience, DoD 8570 compliance within 6 months, ability to lift 50lbs.
Risk Management Framework (RMF), Joint.Special Access Program Implementation Guide (JSIG), Assured File Transfers (AFT)
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Program Manager
San Antonio, Texas, United States
OnsiteFull Time
Integral Federal
Integral Federal: Delivers technology and intelligence solutions for national security missions.
14+ YOE1+ MgmtBachelor's in IT, 14 years government program management (1 year supervisory), PMP, TS/SCI clearance, proficiency with Microsoft Project, senior IT experience.
Microsoft Project
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