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901 ts sci jobs at 146 companies in California

3mo
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COMSEC Manager (CRO) (TS//SCI)
Los Angeles, California, United States
$120k-$180k/yr OnsiteFull Time
K2 Space
K2 Space: Develops high-power satellite platforms for heavy-lift launch vehicles.
2+ YOEActive TS/SCI clearance, 2+ years COMSEC experience, bachelor’s degree, strong communication, KMI experience.
KMI (Key Management Infrastructure), COMSEC equipment management platforms, Encryption devices
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3mo
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Cloud Architect - TS/SCI clearance
San Diego or Charleston or Monterey or Washington or Fort Carson or Colorado Springs or Denver
$130k-$185k/yr HybridFull Time
PMAT
PMAT: Provides software engineering and data analytics for national defense missions.
5+ YOE5+ years in cloud architecture; AWS/Azure experience; containerization; DoD RMF; cross-domain; TS/SCI clearance.
Docker, Kubernetes, Terraform, CloudFormation, AWS, Azure
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5d
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Principal Engineer - TS/SCI Clearance
Long Beach, California, United States
$180k-$260k/yr OnsiteFull Time
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
12+ YOEU.S. citizen or authorized per ITAR, active TS/SCI clearance, Bachelor’s in engineering, 12+ years supporting satellite/spacecraft programs, understanding of subsystems, orbital mechanics, and satellite operations.
MATLAB, Python, STK
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2mo
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Program Analyst SME - TS/SCI w/ Poly
El Segundo, California, United States
$170k-$230k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
15+ YOE15+ years of related experience; TS/SCI with Poly; U.S. Citizenship; on-site location; Bachelor’s degree.
Nlyte, Archibus, AutoCAD
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1w
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Mechanical Design Integration Engineer (TS or SCI)
Redondo Beach, California, United States
$92k-$138k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOESTEM degree, 2+ years engineering experience (Bachelor's) or 6+ months (Master's); active TS/SCI or Top Secret with ability to obtain SCI; aerospace subsystem design experience; CAD proficiency.
CATIA V5, Siemens NX, CAD
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1mo
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GNC Engineer - Hybrid (TS/SCI Clearance)
United States or El Segundo
$134k-$201k/yr RemoteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
10+ YOETS/SCI clearance and U.S. citizenship required. Bachelor's in aerospace/mechanical or related and 10+ years' experience. Experience in orbital mechanics, control systems, guidance algorithms, flight software, telemetry, and real-time operations.
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2mo
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Program Analyst SME - TS/SCI w/ Poly
El Segundo, California, United States
$170k-$230k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
15+ YOE15+ years of related experience; TS/SCI w/ Poly; US citizenship; Bachelor's degree; data center/program management expertise.
Nlyte, Archibus, AutoCAD, DCIM tools
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1w
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Mechanical Design Integration Engineer (TS or SCI)
Redondo Beach, California, United States
$92k-$138k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
2+ YOESTEM degree plus engineering experience, active Top Secret/TS-SCI clearance, 2+ years engineering experience (or MS with 6 months), CAD proficiency, spacecraft integration experience preferred.
CAD, CATIA V5, Siemens NX
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3w
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Information Systems Security Officer (ISSO) – TS/SCI
Los Angeles, California, United States
$46-$58/hr OnsiteFull Time
Vision Information Technology Consultants
Vision Information Technology Consultants: Provides specialized IT and cybersecurity services for government agencies.
8+ YOEActive TS/SCI clearance, 8–12 years experience, RMF/NIST 800-53 knowledge, vulnerability management, SSP/POA&M management, ACAS/STIGs familiarity, eMASS exposure, strong analytical and communication skills.
RMF, NIST 800-53, ACAS, STIGs, eMASS
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6d
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Software Quality Assurance Engineer III TS/SCI
Pasadena, California, United States
$127k-$144k/yr OnsiteFull Time
Jet Propulsion Laboratory
Jet Propulsion Laboratory: Leading robotic space exploration and planetary research for NASA.
6+ YOEBachelor's in related discipline with ~6+ years (or MS/PhD with reduced years), knowledge of NASA/JPL software standards, active U.S. citizenship and TS/SCI clearance, programming experience in C/C++/Java/Python, EM/UNIX experience.
C, C++, Java, Python, UNIX, Linux, VxWorks, Github, JIRA, Integrated Development Environments (IDEs), compilers, static analyzers, AIs, LLMs
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2mo
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Construction Surveillance Technician (CST) | TS/SCI CI-Poly
Fairfield, California, United States
$37/hr OnsiteFull Time
IDS International
IDS International: Global training, logistics, and security for government agencies.
3+ YOEActive TS/SCI clearance with CI-Poly, U.S. citizenship, 21+ years old, high school diploma or GED, experience in security and construction site surveillance.
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2mo
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Contracts Management (TS/SCI Clearance required)
Sunnyvale, California, United States
$73k-$127k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
1+ YOEActive Top Secret/SCI clearance required, 1+ years related experience, federal contracts administration knowledge (FAR/DFARS), strong communication and analytical skills, proficiency with MS Office.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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1w
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Security Control Assessor I (SCA I) (TS, w/ SCI Eligibility)
Los Angeles, California, United States
OnsiteFull Time
RedTrace Technologies
RedTrace Technologies: Provides cybersecurity and IT consulting for federal intelligence agencies.
5+ YOEUS citizen with TS/SCI eligibility,5+ years related experience,Bachelor's or 4 years equivalent,3+ years SAP/SCI/collateral IS security,ISSO/ISSM experience,DoD 8570 compliance within 6 months,able to lift 50lbs.
Risk Management Framework (RMF), Joint Special Access Program (SAP) Implementation Guide (JSIG)
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2mo
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Software Engineer II - TS w/ SCI eligibility
Colorado Springs or San Diego or Norfolk
$104k-$181k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
5+ YOETop Secret clearance with SCI eligibility; 5+ years software development; backend services and APIs; Java, TypeScript/JavaScript; Angular; PostgreSQL; containerized apps; Git/Kibana; strong communication and teamwork.
Java, TypeScript, JavaScript, Angular, PostgreSQL, Docker, Kubernetes, Kafka, Git, Bitbucket
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1d
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SCI Security Specialist
El Segundo, California, United States
$76k-$126k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
3+ YOECurrent TS/SCI clearance with CI polygraph, 3+ years SCI security experience, DISS/JPAS training within 6 months, familiarity with DoD/IC security policy, and bachelor’s degree or equivalent experience.
DISS, JPAS
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1mo
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Systems Architect – MBSE (Cameo, DoDAF, SysML) | TS/SCI
Warrenton or Washington D.C. or Irvine or Denver or Indianapolis or Grand Rapids or Lexington or Los Angeles or Louisville or Texas or San Francisco
$125k-$145k/yr OnsiteFull Time
Trace3
Trace3: Provides IT consulting and technology solutions for enterprise digital transformation.
3+ YOE3+ years enterprise architecture/MBSE experience with Cameo, DoDAF, SysML; strong technical, analytical, project management, and communication skills; active Top Secret/SCI clearance required; technical BA/BS preferred.
Cameo, Cameo Enterprise Architect, Cameo EA, DoDAF, MODAF, UPDM, SysML, UML, Rational Rhapsody, Sparx Enterprise Architect, MATLAB, STK, AFSIM, Simulink, Model Center, UAF, MBSE
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1mo
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ARISS - System Administrator (Top Secret/SCI Clearance w/ Poly Required)
Dublin, California, United States
$60k-$95k/yr FieldFull Time
Seneca Holdings
Seneca Holdings: Operates a portfolio of federal and commercial businesses.
5+ YOETS/SCI with CI Polygraph required; 5+ years classified IT experience; IAM or IAT Level II/III (DoD 8140); experience with STIGs, system administration, and user support for classified systems.
Army Security Technical Implementation Guides (STIG), MIRC
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1mo
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Senior Network Engineer, onsite, El Segundo, CA (TS Clearance Required)
El Segundo, California, United States
$118k-$225k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
8+ YOEActive, transferable U.S. Top Secret clearance required (TS/SCI preferred); typically requires a bachelor's + 8 years experience (or advanced degree +5, or 12 years exp in lieu); experience with LAN/WAN, routers, switches, Cisco hardware, VPNs, IDS/IPS, and DISA STIG/RMF/NIST compliance.
Cisco, ASA, Firepower, Type-1 HAIPE Encryptors, IPSec, GRE, L2TP, DMVPN, IDS/IPS, IAVAM, DISA STIGs, RMF, NIST, SolarWinds, Microsoft Visio, SNMP, TACACS, RADIUS, ACAS, SCAP, NESSUS, Palo Alto
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2mo
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Contractor SAP Security Officer (CSSO)
San Diego, California, United States
$92k-$154k/yr OnsiteFull Time
American Systems
American Systems: Providing strategic engineering and IT solutions for government programs.
5+ YOE5+ years DoD/IC security in SAP/SCI; TS/SCI with poly; SAP/SCI program experience; strong security administration skills.
DISS, JADE, Microsoft Office, SharePoint, Adobe
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4w
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Information Security Risk Specialist
San Diego, California, United States
$99k-$225k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
5+ YOE5+ years DoD IT experience, 3+ years leading Navy RMF/A&A for TS/SCI systems, TS/SCI clearance, DoD 8140 certification, experience with Xacta, vulnerability analysis, and security control implementation.
Xacta, Assured Compliance Assessment Solution (ACAS), Evaluate-STIG, DoD Security Technical Implementation Guides (STIG), Windows, Linux
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