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172 ts sci jobs at 42 companies in Riverside, CA

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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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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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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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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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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1w
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Contractor Program Security Officer (CPSO & AFSO)
Los Angeles, California, United States
$140k-$160k/yr OnsiteFull Time
Apex
Apex: Mass-manufactures standardized satellite buses for commercial and government use.
3+ YOEU.S. citizen with active TS or TS/SCI eligibility,3+ years DoD/IC security experience,knowledge of NISPOM/SAP/SCI,experience with DISS/NBIS/NISS and DD Form 254,clearance management and SCIF/COMSEC familiarity.
DISS, NBIS, NISS
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2mo
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Mission Architect
Denver or Long Beach
$155k-$315k/yr OnsiteFull Time
True Anomaly
True Anomaly: Develops autonomous spacecraft and software for space security missions.
8+ YOEBachelor's in aerospace or electrical engineering; 8+ years in mission analysis/space operations; experience with STK/FreeFlyer/GMAT; MATLAB/Python/C++; TS/SCI or TS/SAP clearance.
STK, FreeFlyer, GMAT, MATLAB, Python, C++
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2mo
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Sr. Prin. Infrastructure / Networking Engineer
Anaheim, California, United States
$146k-$277k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
10+ YOESTEM degree with 10+ years of relevant experience; Linux, networking, Python, virtualization; TS/SCI with Poly; U.S. citizenship.
Python, Linux, Red Hat, Cisco, Arista, Juniper, VMware, KVM, Hyper-V, Puppet, Ansible, Salt, TCP/IP, UDP, Docker, Kubernetes
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3mo
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Operational Analysis and Modeling Engineer
Los Angeles, California, United States
$166k-$224k/yr OnsiteFull Time
Hermeus
Hermeus: Develops high-speed and hypersonic aircraft for defense and transportation.
5+ YOELead operational analysis and simulation; 5+ years in DoD/defense modeling; TS/SCI eligibility; strong software skills.
Python, modeling software
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4d
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Senior Product Manager
Washington or Pasadena
RemoteFull Time
Virtualitics
Virtualitics: Provides an AI-native platform for readiness and analytics.
4+ YOEUS citizen with TS/SCI or TS clearance (or ability to obtain), CS or technical degree or 1-2 years engineering,4+ years product or engineering experience,comfortable reading code and technical architecture,excellent communication.
APIs, SDKs, MCP/A2A, Virtualitics AI Platform (VAIP), SIPR, NIPR
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3mo
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Chief Architect
Los Angeles, California, United States
$190k-$215k/yr OnsiteFull Time, Contract
ITSC Secure Solutions
ITSC Secure Solutions: Provides engineering, cybersecurity, and program management to government agencies.
17+ YOEMinimum 17 years of relevant experience; active TS/SCI clearance; Bachelor's degree; MBSE and agile experience; lead enterprise engineering.
MBSE, Agile/Scrum, DevSecOps, API, Modular Open Systems Approach (MOSA)
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3mo
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Big Data Systems Engineer
Niceville or Tampa or Los Angeles or Huntsville or Denver or Washington
$142k-$200k/yr RemoteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
10+ YOEActive TS/SCI clearance, bachelor’s in STEM, 10 years DoD experience, extensive big data and enterprise deployment expertise (CHEETAS).
SQL Server Big Data Cluster, CentOS, Ubuntu, RedHat, Windows Server, VMware, NFS, SMB, S3, Windows, Linux
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2mo
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Systems Engineer L4
Los Angeles, California, United States
$220k-$240k/yr OnsiteFull Time
Galapagos Federal Systems
Galapagos Federal Systems: Provides IT and cybersecurity services for federal defense programs.
15+ YOE15+ years in systems engineering/space systems; TS/SCI clearance; strong leadership and risk management; cross-domain integration experience.
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2mo
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Functional Analyst (Mid-Level)
Camp Pendleton, California, United States
$94k-$157k/yr OnsiteFull Time
American Systems
American Systems: Providing strategic engineering and IT solutions for government programs.
5+ YOE5+ years of functional analysis; active TS clearance with SCI eligibility; DoD/Navy/USMC experience; stakeholder coordination; MS Office proficiency.
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2mo
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Field Service Representative (FSR), Counter Intrusion
Costa Mesa, California, United States
$113k-$155k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
3+ YOE3+ years in hardware/software/networking in unstructured environments; ability to climb towers; travel up to 50% of year; TS/SCI clearance eligible.
IP networking, Linux
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1w
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Special Security Representative
Camp Pendleton, California, United States
$55k-$126k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
2+ YOE2+ years security experience, TS/SCI clearance required, HS diploma/GED, Microsoft Office proficiency, ability to operate in demanding environment.
Microsoft Office, Defense Information System for Security (DISS)
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4w
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Industrial Security Specialist
El Segundo or Los Angeles
$142k-$236k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
6+ YOEBachelor's or equivalent experience, 6+ years in physical and industrial security (4+ years in SCI/SAR), ICD-705 training within 6 months, active TS/SCI, US citizenship, willingness for CI polygraph, and up to 25% travel.
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1w
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Security Control Assessor (SCA) I
El Segundo or Los Angeles
$159k-$160k/yr OnsiteFull Time
Amatriot Group
Amatriot Group: Provides IT consulting and mission-critical technology support services.
5+ YOEActive TS/SCI, must obtain CI Poly; 5+ years related experience with 3+ years in SAP/SCI/Collateral systems; prior ISSO/ISSM or SCA experience; IAT Level 3 or IAM Level 1 certification.
Risk Management Framework (RMF), Joint Special Access Program (JSIG)
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2mo
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Satellite Subsystem System Engineer
Long Beach, California, United States
$160k-$200k/yr OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
14+ YOETS/SCI clearance; spacecraft subsystem design/engineering; system engineering; pre-launch integration testing; Bachelor's (14y) or Master's (12y) in a relevant field.
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