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2,077 system developer jobs at 532 companies in Simi Valley, CA

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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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3w
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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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Sr. System Engineer
Costa Mesa or Redondo Beach
OnsiteFull Time
T2 Group
T2 Group: Provides IT consulting and workforce solutions for healthcare organizations.
5+ YOE5+ years systems/endpoint/cloud/desktop engineering experience; hands-on administration of Microsoft 365, Entra ID, Intune, Okta, AWS; strong troubleshooting, documentation, and communication skills; must work onsite in Costa Mesa.
Microsoft 365, Entra ID, Intune, Okta, AWS, Windows 10, Windows 11
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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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Ground System Integration Engineer
Arvada or Los Angeles or Washington
$110k-$170k/yr HybridFull Time
Quindar
Quindar: Cloud-native software for automated satellite mission operations.
3+ YOEDevelop and integrate software C2 solutions for satellites; strong software integration/debugging; experience with C2 concepts and satellite protocols; hybrid in Arvada, CO.
Python, C++, Java, Real-time Embedded Systems, Satellite Protocols (CCSDS, CSP, CFDP), XTCE, MIB, AES, AWS, Git
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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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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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2mo
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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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1w
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System Safety Engineer
Long Beach, California, United States
$111k-$192k/yr OnsiteFull Time
Vast
Vast: Develops and operates commercial artificial-gravity space stations.
B.S. in aerospace or related field, experience in safety-critical aerospace/aviation, system safety analyses (FHA, crew survivability, human error), familiarity with Range Safety/NASA/FAA/MIL-STD-882/ARP-4761, strong communication, ability to travel up to 20%, lift 25 lbs, work evenings/weekends.
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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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Senior System Safety Engineer
El Segundo or Goleta or Arlington
$96k-$182k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
5+ YOESTEM degree typically required, 5+ years relevant system safety experience, active transferable U.S. Secret security clearance required, MIL-STD-882E and system/software safety experience, ability to perform hazard analyses and brief technical reviews.
MIL-STD-882E, DO-178, EVMS, MIL-STD-1472, Agile
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2w
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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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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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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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1w
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Senior System Development Engineer
Burbank, California, United States
$113k-$240k/yr OnsiteFull Time
Sphere Entertainment
Sphere EntertainmentNYSE: SPHR: Operates immersive entertainment venues and regional sports media networks.
8+ YOE8+ years building and operating secure cloud infrastructure and services, strong Linux/Windows/MacOS, containers, IaC, CI/CD, monitoring, scripting, and collaboration skills for production VFX/post workflows.
Docker, Kubernetes, GCP, Terraform, CDK, Palumi, Prometheus, Grafana, DataDog, Sentry, NewRelic, GitHub Actions, GitLab CI/CD, Python, bash, Git, Deadline, Rez, Flow Production Tracking (formerly ShotGrid), Linux, Windows, MacOS
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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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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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Spacecraft System Safety & Mission Assurance Engineer
El Segundo, California, United States
$135k-$165k/yr OnsiteFull Time
Space Kinetic
Space Kinetic: Developing propellant-free systems for deploying payloads in space.
3+ YOEBachelor's in engineering,3+ years spacecraft or safety-critical systems experience,system safety and fault management experience,ability to develop/assess hazard analyses and fault-protection strategies,strong technical writing and judgment.
Cameo, MagicDraw, SysML, DOORS, Jama
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National Field System Engineer - Los Angeles
Los Angeles or United States
$44-$55/hr FieldFull Time
bioMérieux
bioMérieuxEuronext Paris: BIM: Provides diagnostic solutions for infectious diseases and industrial microbiology.
2+ YOEBachelor's in engineering or related field (or 6+ years experience), 2+ years troubleshooting electro-mechanical/electronic systems, valid driver’s license, able to lift up to 50 lbs, strong communication and MS Office skills.
Microsoft Outlook, Microsoft Teams, Microsoft Word, Microsoft Excel
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National Field System Engineer - Los Angeles
Los Angeles or United States
$44-$55/hr FieldFull Time
bioMérieux
bioMérieuxEuronext Paris: BIM: Develops and manufactures in vitro diagnostic solutions for laboratories.
2+ YOEBachelor's in engineering or related (or 6+ yrs relevant experience), 2+ yrs troubleshooting electro‑mechanical/electronic systems, valid driver’s license, ability to lift 50 lbs, strong communication, MS Office skills, extensive travel required.
Microsoft Outlook, Microsoft Teams, Microsoft Word, Microsoft Excel
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