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2,545 system engineer jobs at 588 companies in Simi Valley, CA

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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
1mo
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System Engineer
Port Hueneme, California, United States
HybridFull Time
Engineering Services Network
Engineering Services Network: A government-focused engineering and technical services provider with DoD credentials and a history of supporting military and civilian government customers.
8+ YOE8+ years of systems engineering experience; BS in engineering preferred; strong communication; ability to work with government contractors; active SECRET clearance or eligibility.
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1mo
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System Engineer, Infotainment Systems
Charlotte or San Francisco or Los Angeles or New York City
$140k-$170k/yr OnsiteFull Time
Scout Motors
Scout Motors: Designs and manufactures all-electric rugged SUVs and trucks.
10+ YOEMaster's in engineering with 10+ years experience in systems/mechatronics; systems engineering, EE/SW integration, vehicle infotainment expertise, protocol knowledge (CAN, Automotive Ethernet), and tool familiarity (JIRA, Confluence, GitHub).
JIRA, Confluence, Codebeamer, Preevision, CAMEO, GitHub, JFrog, CANalyzer, CANoe, MBSE, MBD, MIL, SIL, HIL, CarPlay, Android Auto
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2mo
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Sr. System Engineer
Redondo Beach or Costa Mesa
OnsiteFull Time
T2 Group
T2 Group: Provides IT consulting and workforce solutions for healthcare organizations.
5+ YOE5+ years systems/endpoint engineering experience; hands-on administration of Microsoft 365, Entra ID, Intune, Okta, AWS, and Windows; strong troubleshooting, documentation, and security remediation skills; must be able to work onsite in Costa Mesa.
Microsoft 365, Entra ID, Intune, Okta, AWS, Windows 10, Windows 11
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1w
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System Test Engineer /Principal System Test Engineer
Palmdale, California, United States
$83k-$155k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
2+ YOEActive U.S. Top Secret clearance, STEM degree, 2+ years related experience (level dependent), Python scripting, system test/SW or systems engineering experience, Windows/Linux and VM proficiency.
Python, Windows, Linux, Virtual Machines, DOORS, ClearQuest, JIRA, Git, Confluence, Java, C++
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2mo
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System Safety Engineer
Torrance, California, United States
$190k-$214k/yr OnsiteFull Time
Robinson Helicopter
Robinson Helicopter: Designs and manufactures civil helicopters and uncrewed aerial systems.
5+ YOEBachelor’s degree in engineering with 5 years of experience in aircraft systems safety; expertise in safety analyses and FAA/EASA compliance; Master’s preferred; FAA DER for System Safety; pilot certification is a plus.
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1mo
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Senior GND System Engineer
El Segundo, California, United States
$146k-$225k/yr OnsiteFull Time
BTAS
BTAS: A woman-owned small business providing IT, engineering and program management capabilities.
10+ YOESenior ground system engineer with TS/SCI eligibility, 10+ years in classified space systems, MS/MA preferred or BA/BS with 12+ years experience.
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3mo
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System Verification Engineer
Los Angeles, California, United States
$120k-$150k/yr OnsiteFull Time
Apex
Apex: Mass-manufactures standardized satellite buses for commercial and government use.
2+ YOEUS person with BS in Aerospace, Mechanical, Systems or related field; 2+ years in system integration, test, and qualification; strong problem-solving, organization, and communication skills.
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2mo
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Principal System Engineer (Contract)
Torrance, California, United States
$167k-$197k/yr OnsiteContract
Epirus
Epirus: Sells software-defined high-power microwave systems for counter-drone defense.
8+ YOE8+ years in systems engineering with lifecycle experience; MBSE and SE tools; programming and version control knowledge; ability to lead across teams.
JAMA, Polarion, DOORS, MBSE, SparxEA, Capella, Python, Git, GitHub
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2mo
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System Engineer - RF SatCom
Hawthorne, California, United States
$90k-$125k/yr OnsiteFull Time
ThinKom
ThinKom: ThinKom manufactures high-performance phased-array antennas for satellite communications.
2+ YOEDesign, analyze, and implement RF satellite communications systems; lead architecture, requirements, and integration; travel up to 10%.
Vector Network Analyzers, Oscilloscopes, Spectrum Analyzers, RF Test Equipment, MS Office
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1mo
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Senior System Quality Engineer
Los Angeles or United States
$125k-$140k/yr HybridFull Time
TeraWatt Infrastructure
TeraWatt Infrastructure: Develops and operates high-power charging hubs for electric fleets.
5+ YOE5+ years in quality/reliability/systems engineering; expertise in power electronics, EV charging, high-voltage systems; protocol-level debugging (OCPP, ISO 15118, DIN 70121); electrical schematics and root cause analysis; Python automation preferred.
Wireshark, Python, CI/CD, OCPP, ISO 15118, DIN 70121, OCPI
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1w
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System Test Engineer /Principal System Test Engineer
Palmdale, California, United States
$83k-$155k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEActive U.S. Top Secret clearance, B.S. in STEM (or advanced degree), 2+ years related experience (level dependent), Python scripting, Windows/Linux and VM experience, system test and SW development familiarity.
Python, Windows, Linux, Virtual Machines (VMs), DOORS, ClearQuest, JIRA, Git, Confluence, Java, C++
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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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1mo
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SATCOM Requirements System Engineer
El Segundo, California, United States
$98k-$122k/yr OnsiteFull Time
Modern Technology Solutions, Inc.
Modern Technology Solutions, Inc.: Provides engineering, technology, and cybersecurity services for national security.
3+ YOEActive Secret clearance; BS in engineering/physics/math/CS; 3-5 years systems engineering; DOORS knowledge; strong analytical, communication, and MS Office skills.
DOORS, Jira, Confluence, Microsoft Office
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3w
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System Safety Engineer
El Segundo or Cape Canaveral
OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
7+ YOEBachelor's in STEM or equivalent experience, 7+ years STEM experience with >=3 years systems safety experience in NSSL/Launch/Range/DoD/NASA, active Secret clearance, proficiency with JIRA/Confluence and computer-based tools, strong communication skills.
JIRA, Confluence
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3mo
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System Performance Engineer
Los Angeles, California, United States
OnsiteFull Time
AFL
AFL: Global manufacturer of fiber optic products and network services.
4+ YOEBS in engineering or science plus 1-3 years telecom experience (or 3-5 years with an Associate’s) ; proficient in MS Office; strong analytical, problem-solving, and communication skills; able to travel regionally; eligible to work in the United States.
Microsoft Office, Microsoft Project, Microsoft Visio
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1mo
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SATCOM Requirements System Engineer
El Segundo, California, United States
$98k-$122k/yr OnsiteFull Time
Modern Technology Solutions
Modern Technology Solutions: Employee-owned engineering services delivering defense-focused systems engineering.
3+ YOEBachelor's in engineering, physics, mathematics, computer science or related technical field; 3-5 years in systems engineering or requirements management; active Secret clearance or ability to obtain; MBSE/DOORS experience preferred.
DOORS, Microsoft Office, Jira, Confluence
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1mo
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Space System Architect Engineer/Senior Space System Architect Engineer
El Segundo or Chantilly or Colorado Springs
$117k-$227k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
8+ YOEBachelor's in engineering or related field required; 8+ years engineering experience in space/intelligence/defense domains (12+ for senior); expertise in system/enterprise architecting, MBSE, SysML/UAF/UPDM/DoDAF/MODAF; Top Secret/SCI clearance and U.S. citizenship required; travel ~5-10%.
Systems Modeling Language (SysML), UAF, UPDM, DoDAF, MODAF
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2mo
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Satellite Subsystem System Engineer
Long Beach, California, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
14+ YOETS/SCI clearance; spacecraft subsystem expertise; strong system engineering; pre-launch testing experience; relevant degree with 12–14 years experience.
Spacecraft design, Systems engineering, Pre-launch testing
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3mo
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Sr System Engineer, Amazon Leo for Government (ALG), SEIT | MFG
El Segundo or Northridge
$151k-$205k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
8+ YOE8+ years in space systems engineering; spacecraft design/integration/test; requirements derivation; system budgets; TS/SCI clearance.
Python, Matlab, LabVIEW, C/C++, Docker, Rust, Linux, AWS
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Software System Engineer
Houston or Los Angeles
$85k-$170k/yr OnsiteFull Time
The Exploration Company
The Exploration Company: Developing and operating modular, reusable spacecraft for orbital logistics.
Experience with safety-critical software, requirements management, V&V and certification, C++ and Python proficiency, real-time/embedded experience, strong communication and testing skills.
C++, Python, CI/CD
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