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536 ts sci jobs at 66 companies in Santa Ana, CA

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Principal Engineer - TS/SCI Clearance
Long Beach, California, United States
$180k-$260k/yr OnsiteFull Time
Rocket Lab
Rocket LabNASDAQ: RKLB: Designs and builds launch vehicles and satellite systems.
12+ YOEActive TS/SCI clearance and U.S. eligibility, BA/BS in engineering or technical discipline, 12+ years supporting satellite/spacecraft programs, strong subsystem and orbital mechanics knowledge.
MATLAB, Python, STK
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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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1mo
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Principal Crypto Engineer (TS//SCI)
Los Angeles, California, United States
$160k-$245k/yr OnsiteFull Time
K2 Space
K2 Space: Develops high-power satellite platforms for heavy-lift launch vehicles.
5+ YOEBachelor's in EE/CE/CS, 5+ years engineering experience with cryptographic systems/COMSEC, direct NSA Type-1 experience and certification knowledge, active Top Secret/TS-SCI clearance, U.S. Person required, ability to travel up to 25%.
RMF, ATO, JSIG, NSA Type-1, COMSEC, ITAR, EAR
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Budget Analyst TS/SCI Required
El Segundo, California, United States
$75k-$105k/yr OnsiteFull Time
Tecolote Research
Tecolote Research: Provides defense acquisition consulting, analytics, and software solutions.
5+ YOE5-10 years DoD acquisitions financial management or budget analysis, bachelor\u0002s degree required, TS/SCI clearance (DCID 6/4) and US citizenship required, FM Suite/CCaR/Excel experience, familiarity with DoD acquisition and budget guidance.
FM Suite, CCaR, Microsoft Excel
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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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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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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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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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Visitor Escort w/Active TS/SCI Clearance
Pasadena, California, United States
$24-$25/hr OnsiteContract, Full Time
Columbus Technologies and Services
Columbus Technologies and Services: Provides technical and engineering services for government aerospace missions.
Active TS/SCI clearance required, ability to escort and monitor workers in secure construction areas, pass background check and drug screen, able to walk and stand for extended periods.
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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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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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Information Systems Security Manager (ISSM) – Subject Matter Expert (SME) – TS/SCI
Los Angeles, California, United States
$130k-$150k/yr OnsiteFull Time
Vision Information Technology Consultants
Vision Information Technology Consultants: Provides specialized IT and cybersecurity services for government agencies.
12+ YOEActive TS/SCI clearance, 12+ years cybersecurity experience including ISSM/RMF, NIST and STIG implementation, compliance oversight, incident response, and leadership in DoD/Air Force environments.
RMF, NIST, STIG
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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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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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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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Senior Flight Reliability Engineer
Redondo Beach, California, United States
$140k-$180k/yr OnsiteFull Time
Impulse Space
Impulse Space: Developing in-space transportation services and orbital transfer vehicles.
5+ YOE5+ years in aerospace/defense; DoD TS/SCI or TS/SAP clearance; bachelor's in related engineering; strong analytical and communication skills.
CAD tools, engineering drawing interpretation, scripting language
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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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Aerospace Engineer
El Segundo, California, United States
$190k-$240k/yr OnsiteFull Time
Alutiiq
Alutiiq: Provides government facilities, logistics, and professional support services.
15+ YOESenior aerospace engineer with 15+ years in missile warning systems, DoD experience, TS/SCI with SCI eligibility; BS in a related field; strong communication.
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General and Operations Managers
El Segundo, California, United States
OnsiteFull Time
IESE Solutions
IESE Solutions: Provides systems engineering and acquisition services for space systems.
Bachelor's degree in business, management, engineering or related field; active TS/SCI clearance required.
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Senior Comp/Network System Engineer
El Segundo, California, United States
$183k-$300k/yr OnsiteFull Time
BTAS
BTAS: A woman-owned small business delivering IT, engineering and program management services for defense and space missions.
10+ YOESME with 10+ years in computer networks, cybersecurity for DoD mission systems; TS with SCI eligibility.
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