2,198 systems developer jobs at 548 companies in Castaic, CA
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Space Systems Engineer
El Segundo, California, United States
$115k-$250k/yr OnsiteFull Time
10+ YOESpace systems design, development, and program support; TS/SCI eligibility; 10+ years experience; advanced degree preferred.
3w
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Systems/Principal Systems Engineer
Camarillo, California, United States
$92k-$138k/yr OnsiteFull Time
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
4d
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Systems Integration Developer
Redwood City or Austin or Boston or Ann Arbor or Los Angeles or New York City or San Diego
$150k-$180k/yr HybridFull Time
Bachelor's degree in computer science, information systems, or related technical field; proficiency with Boomi, C#, .NET, PowerShell, and SQL Server; experience with enterprise integrations, automation, AI agents, and Azure services.
Dell Boomi, Microsoft Copilot Studio, PowerShell, SQL, Microsoft SharePoint, Microsoft 365, SSIS, SSRS, SQL Server, C#, .NET, Power Automate, Dataverse, Microsoft Teams, Dynamics 365, Azure Logic Apps, Azure AD, Azure Data Factory, Azure App Services, Azure DevOps, Application Insights, Intapp, Aderant Expert, iManage Work, Litera Compare, Clean, Peppermint (CRM product)
2w
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Principal Systems Engineer
Santa Clarita or Valencia
$102k-$194k/yr HybridFull Time
8+ YOEBachelor's in EE/CE/CS,8+ years engineering experience in mixed HW/SW and embedded systems,ability to develop system requirements,system architecture,verification,regulatory support,and technical leadership.
PLM, FMEA
2w
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Principal Systems Engineer
Santa Clarita, California, United States
$102k-$194k/yr HybridFull Time
8+ YOEBachelor's in EE/CE/CS,8+ years engineering experience (Master's may substitute 2 years),5+ years HW/SW systems,3+ years embedded systems,ability to develop system requirements and work in lab environments.
2mo
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Systems Engineer
Port Hueneme, California, United States
OnsiteFull Time
5+ YOEBachelor’s in engineering; 5+ years systems engineering with Navy weapon/combat systems; active DoD SECRET clearance.
1w
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Systems Engineer
El Segundo, California, United States
$135k-$175k/yr OnsiteFull Time
5+ YOE5+ years spacecraft or aerospace systems engineering experience, bachelor\u0002s degree in engineering or related field, systems lifecycle experience, requirements and MBSE knowledge, strong technical communication.
Cameo Systems Modeler, SysML, Jama, DOORS, Polarion, Python, MATLAB
2mo
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Systems Engineer, Senior
El Segundo, California, United States
$87k-$198k/yr OnsiteFull Time
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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Systems Engineer, Mid
El Segundo, California, United States
$62k-$141k/yr OnsiteFull Time
5+ YOE5+ years systems engineering for DoD space ground systems, 3+ years mission integration, Python scripting, ICD/API development, MBSE/Digital Engineering, Microsoft Office suite, TS/SCI clearance, bachelor’s in engineering/math/physics/CS.
Python, Microsoft Teams, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Confluence, Jira
2mo
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AI Systems Engineer
Santa Monica, California, United States
HybridFull Time, Part Time
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
3mo
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Systems Engineer
El Segundo, California, United States
$134k-$190k/yr OnsiteFull Time
2+ YOEBachelor’s degree in engineering; 2+ years in design/analysis or systems engineering; manufacturing experience; strong communication.
DOORS, Jama, Flow
1mo
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Systems Engineer
El Segundo, California, United States
$190k-$220k/yr OnsiteFull Time
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.
3w
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Systems/Principal Systems Engineer
Camarillo, California, United States
$92k-$138k/yr OnsiteFull Time
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
1mo
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Systems Engineer
El Segundo, California, United States
OnsiteFull Time
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.
1w
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Sr. Systems Engineer - Ground Systems
El Segundo, California, United States
$126k-$162k/yr OnsiteFull Time
10+ YOE3+ MgmtBachelor's in STEM,10+ years DoD systems engineering experience,5+ years on satellite/ground systems,3+ years leading teams,Secret clearance required,BLS not applicable,proficiency with network architecture and Agile.
Agile, DevOps, DevSecOps
1mo
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Systems Engineer
El Segundo, California, United States
$160k-$200k/yr OnsiteFull Time
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.
1mo
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Senior Systems Engineer
El Segundo, California, United States
$180k-$220k/yr OnsiteFull Time
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.
2mo
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Electrical Systems Engineer
Torrance, California, United States
$150k-$190k/yr OnsiteFull Time
5+ YOEBachelor's/Master's in EE or related, 5+ years electrical systems integration or hardware development, HV/LV power systems experience, familiarity with CAN/J1939, Modbus, Profinet, EtherCAT, hands-on debugging with multimeters/oscilloscopes, and system-level requirements/I/O mapping.
CAN/J1939, Modbus, Profinet, EtherCAT, multimeter, oscilloscope, HIL, EPLAN, Zuken, AutoCAD Electrical, Visio
1w
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Electrical Systems Engineer
Monrovia, California, United States
$70k-$110k/yr OnsiteFull Time
5+ YOEBS/MS in EE/CE/Systems,5+ years developing embedded electronic systems,proficiency in C/C++,hardware and firmware experience,PCB design,prototype assembly,and test/debug with industry equipment.
Altium Designer, KiCad, Eagle, C, C++, ARM Cortex, STM32, AVR, PIC, Oscilloscopes, Logic analyzers, JTAG/SWD debuggers, Signal generators, BLE, CAN Bus, SPI, I²C, UART, USB
3mo
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Senior Systems Software Engineer
Los Angeles or Remote- US
$145k-$195k/yr HybridFull Time
Senior systems, platform, or infrastructure engineering with Rust expertise; strong backend/infrastructure focus; experience with distributed systems, databases, APIs, and IaC; autonomous, proactive, and customer-focused.
Rust, Databases, API design, Distributed systems, Infrastructure as code, Containers, React
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