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1,061 systems developer jobs at 225 companies in Oxnard, CA

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Lifecycle Systems Engineer
El Segundo or Chantilly or Colorado Springs
$151k-$227k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
10+ YOEBachelor's in engineering or related; 10+ years experience in systems/acquisition engineering; experience with requirements, verification, DoD acquisition, DevSecOps; TS/SCI clearance required.
SysML, Cameo, DOORS, Jira, Confluence, SAFe, Scrum, DevSecOps
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1mo
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Space Systems Engineer
El Segundo, California, United States
$115k-$250k/yr OnsiteFull Time
BTAS
BTAS: Independent defense contractor delivering space systems solutions.
10+ YOESpace systems design, development, and program support; TS/SCI eligibility; 10+ years experience; advanced degree preferred.
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Systems/Principal Systems Engineer
Camarillo, California, United States
$92k-$138k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
2+ YOEU.S. citizen with active U.S. Secret clearance, BS/MS in STEM, 2+ years embedded software test experience (Systems) or 5+ years (Principal), experience with Airborne Electronic Attack, DOORS, Jira/Confluence, and software test plan development.
DOORS, Jira, Confluence
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1mo
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Systems Engineer
Port Hueneme, California, United States
OnsiteFull Time
Engineering Services Network
Engineering Services Network: Defense contractor delivering mission-critical services to government clients.
5+ YOEBachelor’s in engineering; 5+ years systems engineering with Navy weapon/combat systems; active DoD SECRET clearance.
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Systems Engineer, Mid
El Segundo, California, United States
$62k-$141k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
5+ YOE5+ years systems engineering experience developing/verifying system functional and performance requirements, managing specifications and acceptance reviews (SRR/SFR/PDR/CDR); Bachelor's in Engineering/Math/Physics/CS; Secret clearance required.
Microsoft Teams, KanBan
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Systems Engineer, Senior
El Segundo, California, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
8+ YOERequires 8+ years systems engineering for DoD space ground systems, 5+ years integrating missions, TS/SCI clearance, Bachelor's in Engineering/Math/Physics/CS, Python and MBSE experience, ICD/API development, and Microsoft Office proficiency.
Python, Model-Based Systems Engineering (MBSE), Digital Engineering, Microsoft Teams, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Confluence, Jira
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3mo
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Systems Engineer
Oxnard, California, United States
$140k-$200k/yr HybridFull Time
Swarm Aero
Swarm Aero: A developing advanced autonomous aerial systems and software for swarming aircraft.
5+ YOEBachelor's degree; 5+ years systems engineering in aerospace/defense/UAS; MBSE with SysML; experience with Jama, Polarion, JIRA; ability to write clear system requirements; DoD Secret clearance.
Jama, Polarion, JIRA
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AI Systems Engineer
Santa Monica, California, United States
HybridFull Time, Part Time
M|R Walls
M|R Walls: Designs and builds 3D carved architectural wall products.
Experienced software/AI engineer with Python and API/database integration skills; build AI agents, automations, and workflows using tools like OpenAI, Claude, OpenClaw, Hermes, and Vercel; strong systems-thinking and communication.
Python, APIs, databases, OpenAI, OpenAI APIs, Claude, Claude Code, Codex, MCP servers, OpenClaw, Hermes, Hermes Agent, Vercel, Midjourney, FAL, Flux, Airtable, Make, n8n, GitHub
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4w
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Systems Engineer
El Segundo, California, United States
$190k-$220k/yr OnsiteFull Time
Space Systems Integration
Space Systems Integration: Provides systems engineering and technical advisory for aerospace missions.
9+ YOESenior systems engineer with extensive space systems integration experience, active Top Secret/SCI clearance (T5/SSBI) and polygraph required. Degree (BS/MS/PhD) plus 9–14+ years experience in DoD/agency space programs, acquisition, and team leadership.
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2mo
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Systems Engineer
El Segundo, California, United States
$134k-$190k/yr OnsiteFull Time
Radiant
Radiant: Designs and manufactures portable, mass-produced nuclear microreactors.
2+ YOEBachelor’s degree in engineering; 2+ years in design/analysis or systems engineering; manufacturing experience; strong communication.
DOORS, Jama, Flow
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Systems/Principal Systems Engineer
Camarillo, California, United States
$92k-$138k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEActive U.S. Secret clearance, U.S. citizenship, BS/MS in STEM with relevant experience (Systems:2+ yrs, Principal:5+ yrs), embedded software test and EW experience, DOORS and Atlassian tool familiarity.
DOORS, Atlassian, Jira, Confluence
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1mo
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Principal Systems Engineer
Goleta, California, United States
$142k-$189k/yr OnsiteFull Time
Teledyne Technologies
Teledyne TechnologiesNYSE: TDY: Manufactures sensors, cameras, and electronics for aerospace and defense.
Bachelor's degree or equivalent experience in engineering/physics/computer science, strong systems engineering and documentation skills, prior product development experience preferred, U.S. citizen or permanent resident required, ability to work onsite and travel occasionally.
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2w
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Systems Engineer
El Segundo, California, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
9+ YOEBachelor's degree and 9+ years' experience, active Top Secret clearance with ability to obtain TS/SCI and consent to polygraph, experience in production/manufacturing and change control boards, systems engineering expertise.
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2w
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Systems Engineer
El Segundo, California, United States
$160k-$200k/yr OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
9+ YOEBachelor's degree and 9+ years experience, active Top Secret clearance (able to obtain TS/SCI and consent to polygraph), production/manufacturing and systems engineering experience, CCB and design change process familiarity.
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1mo
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Senior Systems Engineer
El Segundo, California, United States
$180k-$220k/yr OnsiteFull Time
Modern Technology Solutions
Modern Technology Solutions: An employee-owned engineering services providing defense-focused systems engineering, modeling, and cybersecurity solutions.
12+ YOEMA/MS in engineering, physics, or CS (required) or Bachelor's with 12+ years; active Top Secret/SCI clearance and U.S. citizenship; experience with classified space control systems engineering, requirements development, configuration control, DR board management, and ACAT-like reviews.
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2mo
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Senior Systems Engineer
El Segundo, California, United States
$120k-$200k/yr HybridFull Time
Bay Systems Consulting
Bay Systems Consulting: Provides engineering and technology support services to government agencies.
9+ YOEBachelor’s degree in engineering, mathematics, or physics and nine years of systems integration/engineering experience; Active Secret Clearance; experience coordinating across space, ground, and user segments; system architecture development; strong collaboration skills.
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Principal Systems Engineer – Chief Engineer (Onsite)
El Segundo, California, United States
$118k-$225k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
8+ YOE5+ MgmtActive transferable Secret clearance, U.S. citizenship, 8+ years systems engineering experience (or 5+ with advanced degree), experience leading $5–10M programs, systems development and integration expertise.
DOORS, CAMEO, Rust, Python
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3mo
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Software Systems Engineer (Senior/Lead)
El Segundo, California, United States
OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
5+ YOESenior/Lead Software Systems Engineer with 5+ years in space/ground systems, leadership experience, Java/C++, Python, DoD Secret clearance, onsite in El Segundo, CA.
Java, C++, Python, GitLab, CI/CD, DevSecOps, Docker, Kubernetes, SQL, NoSQL, Kafka, ActiveMQ, CCSDS
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3mo
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Software Systems Engineer (Senior/Lead)
El Segundo, California, United States
$159k-$258k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
5+ YOESenior/Lead software systems engineer; onsite in El Segundo, CA; US citizenship; DoD Secret clearance; 5+ years in systems engineering or space/software; 3+ years leading software projects; 3+ years Java/C/C++ or Python; experience with flight dynamics or satellite/ground systems.
Java, C++, Python, Flight Dynamics, Orbital Analysis, Satellite Management Systems, CI/CD, GitLab
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2mo
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Retail Systems Engineer
Manhattan Beach or Rancho Palos Verdes
$130k-$150k/yr HybridFull Time
Skechers
Skechers: Designs and sells lifestyle and performance footwear and apparel.
8+ YOEDesign, develop, and optimize retail corporate systems; migrate from Apropos to Aptos Merchandising; work with o9 Solutions; strong SQL and data engineering.
o9 Solutions, Aptos Merchandising, Informix, 4GL, SQL, Java, Python, C#, VB.NET, JavaScript
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