252 system software engineer jobs at 84 companies in Oxnard, CA
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Senior Software Engineer
El Segundo, California, United States
$160k-$200k/yrOnsiteFull Time
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
14+ YOE14+ years experience with software engineering for mission/defense environments, Palantir Foundry/Gotham expertise, MOSA architecture, Agile/DevSecOps, data integration and systems engineering skills.
Publicis GroupeEuronext Paris: PUB: Global advertising and digital transformation agency holding.
Experienced software engineer with full‑stack skills, ownership of production systems, hybrid 3-days/week in-office, and U.S. work authorization without sponsorship.
Java, Scala, Kotlin, TypeScript, Amazon Web Services, Kubernetes, Kafka, React
10+ YOE10+ years software development experience, technical leadership experience, BS in a technical field (or equivalent), experience architecting distributed systems, strong software design and debugging skills, proficiency using AI tools and modern engineering workflows.
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
5+ YOEBachelor's degree in CS/Software/Systems engineering; 5 years software systems engineering or integration; ability to obtain/maintain Secret clearance; strong communication; knowledge of secure SDLC, SOA/microservices, and DoD collaboration.
Zefr: Provides AI-driven brand safety and suitability for social media.
5+ YOE5+ years software engineering experience, degree in CS or related field, hands-on Kubernetes and cloud microservices, proficiency using AI tools for development, strong distributed systems and API skills.
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
10+ YOERequires 10+ years modeling & simulation or systems engineering/software development experience, active U.S. Secret clearance, bachelor\u0002s degree or equivalent, proficiency in modern programming languages and Git/Linux.
Engineering Services Network: Independent defense contractor providing mission-critical engineering and IT solutions for government customers.
5+ YOEMaster’s degree in Engineering, Mathematics, or Business; 5+ years software engineering with Navy weapon systems; C/C++, Java, Perl, SQL experience; DoD SECRET clearance.
The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.
10+ YOE10+ years in software engineering with architecture and distributed systems; cloud (AWS); Java/Python; microservices; API design; hands-on coding.
Outpost Space: Building reusable spacecraft for precision Earth return and logistics.
3+ YOEBachelor's or equivalent experience,3+ years professional software development,proficiency in C++ or Python,experience with real-time/embedded systems and CI/CD preferred,strong problem-solving and cross-functional collaboration skills.
Curri: On-demand last-mile delivery platform for construction and industrial supplies.
2+ YOE2+ years building production software; full‑stack experience (TypeScript/Node, React/React Native); familiarity with Postgres, NATS, Redis; active use of AI tooling (Claude Code, Cursor); strong communication and systems awareness.
ZipRecruiterNYSE: ZIP: Online employment marketplace connecting job seekers and employers.
2+ YOE2+ years software engineering or systems integration experience; proficiency in TypeScript and/or Python; API and third-party integration experience; experience using AI developer tools (Cursor, Copilot, Claude).
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
10+ YOEActive U.S. Top Secret clearance required, Bachelor’s degree, 10+ years software engineering experience, systems/space background preferred, technical leadership, knowledge of software lifecycle and architecture.
Modern Technology Solutions: A technology and engineering that provides systems and software solutions for national security and space missions.
7+ YOE7+ years engineering experience with ground/space system components, 7+ years software development using C++ or Python, 2+ years lifecycle leadership, bachelor\u0019s in STEM, active TS clearance required.
Sift: Software platform for high-frequency hardware telemetry observability.
3+ YOE3+ years professional software engineering, backend API and distributed systems experience; experience with Go/Python/Rust, Kubernetes, and customer-facing product ownership; curious about AI/agentic systems.
The Aerospace Corporation: Provides technical expertise and research for national space programs.
6+ YOEBachelor's in CS/CE/STEM, 6+ years software engineering/architecture experience, ability to obtain U.S. government security clearance (U.S. citizenship required), experience modernizing legacy systems, cloud/microservices, DevOps, and stakeholder interfacing.
The Walt Disney CompanyNYSE: DIS: Produces media content and operates global theme parks.
10+ YOE10+ years in software engineering with architecture and distributed systems; BS in CS/IS/ENG or related field; strong cloud, microservices, API design; proficient in Java/Python; hands-on coding; excellent communication.
Areté: Develops advanced sensing and signal processing solutions for national security.
Eligible for Top Secret clearance; experience testing algorithms and GUIs, systems-level architecture, CI/CD (Jenkins, Git), Agile, defect documentation; degree in systems/computer engineering or related field preferred.
Woodland Hills or Los Angeles or Alabama or Arizona or California or Colorado or Connecticut or Florida or Georgia or Illinois or Indiana or Kentucky or Massachusetts or Michigan or North Carolina or New Jersey or Nevada or New York or Ohio or Pennsylvania or South Carolina or Texas or Utah or Virginia
$200k-$230k/yrHybridFull Time
Convoso: AI-powered contact center platform for outbound sales teams.
10+ YOE10+ years software engineering experience, 5+ years backend work in Python or PHP, expertise building LLM-based AI agent systems, production LLM API integration, MySQL proficiency, and automated testing for AI workflows.