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849 integration developer jobs at 293 companies in Simi Valley, CA

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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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3w
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Staff Integration & Application Developer
Austin or Los Angeles County
$137k-$188k/yr OnsiteFull Time
Procore
ProcoreNYSE: PCOR: Cloud-based construction management software for projects and teams.
7+ YOE7+ years in integration engineering for finance/SaaS; expert Workato experience, strong Python or JavaScript, SQL, REST/SOAP/Webhooks; finance domain knowledge; architecture, governance, and AI-assisted development experience.
Workato, Workato AI Agents, MuleSoft, Boomi, SnapLogic, NetSuite, Salesforce, Zuora, Certinia, Coupa, Zip, Python, JavaScript, SQL, REST, SOAP, Webhooks, Jira
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2w
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Integration Engineer
El Segundo, California, United States
$160k-$200k/yr OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
3+ YOEBachelor's in engineering/math/physics + 5 yrs (or Master's + 3 yrs) systems integration/engineering experience; Active Secret clearance; experience across space, ground, and user segments; system architecture and analytical skills.
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2w
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Integration Engineer
El Segundo, California, United States
HybridFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
3+ YOEBachelor's (5 yrs) or Master's (3 yrs) in engineering/math/physics (or equivalent), active Secret clearance, experience across space/ground/user segments, system architecture and integration experience, strong analytical and communication skills.
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Integration Engineer
Oxnard, California, United States
$118k-$158k/yr OnsiteFull Time
City of Oxnard
City of Oxnard: Provides municipal services and public administration for Oxnard residents.
5+ YOEBachelor's degree and 5+ years' experience integrating vendor applications and APIs; strong Python/SQL/PHP/JavaScript skills, scripting (PowerShell,Bash), ETL and RDBMS experience, API design, Git, and public-sector security compliance.
Python, SQL, PHP, Javascript, PowerShell, Bash, Apache, SSIS, MSSQL, PostgresQL, Git, React, Vue.js, Microsoft 365, SharePoint, PowerApps, ERP, CRM
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Software Integration Engineer
El Segundo, California, United States
$87k-$130k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
2+ YOEBachelor's in STEM, 2+ years relevant experience with web application development, Spring, Java, Python, RESTful services or Cloud; familiarity with Agile and Atlassian tools; experience with Git/Subversion and Linux/Windows.
Spring Framework, Java, Python, RESTful services, Cloud, containerization, microservices, JIRA, Confluence, BitBucket, SourceTree, Git, Subversion, Windows, Linux, DevSecOps, AI/LLM
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Lead Engineer – L1 Integration
Charlotte or Novi or San Francisco or Los Angeles or New York City
$160k-$193k/yr OnsiteFull Time
Scout Motors
Scout Motors: Designs and manufactures all-electric rugged SUVs and trucks.
12+ YOEMaster's degree in Engineering/CS with 12+ years' experience; deep E/E architecture and ECU/software integration expertise; familiarity with automotive networks, diagnostics, MATLAB/Simulink, dSpace, and integration toolchains.
CAN, CAN-FD, LIN, Automotive Ethernet (100/1000BASE-T1), FlexRay, DBC, ARXML, UDS/DoIP, AUTOSAR Classic/Adaptive, Jira, GitHub/GitLab, Jenkins, Artifactory, Siemens Polarion, IBM DOORS Next Gen, PTC Windchill, MATLAB/Simulink, dSpace control desk, dSpace automation desk, CANalyzer, CANoe
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Mission Integration Engineer (Starshield)
Hawthorne, California, United States
$100k-$140k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOEBachelor's in engineering,1+ years product design/development/integration/test experience,Top Secret clearance required,ability to obtain DoD background checks,strong technical communication and mission-integration skills.
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2w
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Senior Manufacturing Engineer (Integration)
El Segundo, California, United States
$140k-$179k/yr OnsiteFull Time
Varda Space Industries
Varda Space Industries: Develops in-orbit manufacturing platforms and reentry capsules for pharmaceuticals.
3+ YOEB.S. in engineering or equivalent experience, 3+ years vehicle/system-level integration or final assembly experience in aerospace/defense/robotics, ability to lift 25 lbs, develop integration procedures, and coordinate multi-discipline teams.
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Software Integration Engineer
Denver or Long Beach
$90k-$280k/yr HybridFull Time
True Anomaly
True Anomaly: Develops autonomous spacecraft and software for space security missions.
7+ YOEBS in CS or aerospace; 7+ years building complex software; strong gRPC/REST/WebSocket; embedded/backend/validation experience.
C++, Elixir, TypeScript, gRPC, REST, WebSocket, Linux, RTOS
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2mo
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Spacecraft Integration Engineer
Redondo Beach, California, United States
$105k-$165k/yr OnsiteFull Time
Impulse Space
Impulse Space: Developing in-space transportation services and orbital transfer vehicles.
4+ YOEBachelor’s in engineering; 4+ years in aerospace integration; 2+ years with pneumatic/electrical/hydraulic test stands.
Siemens NX, SOLIDWORKS, CAD, Piping and Instrumentation Diagrams, SQL, PLC
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Workday Integration Engineer
Chicago or San Francisco or San Diego or New York City or Los Angeles or Palo Alto or Boston or Miami or Washington D.C. or Century City or Houston or Dallas
$112k-$192k/yr HybridFull Time
Sidley Austin
Sidley Austin: Global law firm providing comprehensive legal and regulatory counsel.
5+ YOE5+ years hands-on Workday integrations experience; advanced knowledge of Workday integration tools (Studio, Orchestrate, Core Connectors, EIB, RaaS, Web Services); XML/XSLT/JSON and SFTP experience; strong analytical and stakeholder collaboration skills; authorized to work in the U.S. without sponsorship.
Workday Studio, Workday Orchestrate, Core Connectors, EIB (Enterprise Interface Builder), RaaS (Reports-as-a-Service), Workday Web Services (SOAP/REST), XSLT, XML, JSON, SFTP, PeopleSoft, CCTPP
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2mo
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Integration Engineer, Environmental Test
Long Beach, California, United States
$112k-$196k/yr OnsiteFull Time
Vast
Vast: Develops and operates commercial artificial-gravity space stations.
4+ YOEBachelor's degree in mechanical, manufacturing, aerospace, electrical, or similar field; 4+ years engineering experience; hands-on hardware integration/testing; experience writing test plans and go/no-go judgments.
Linux, Python
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3mo
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Spacecraft Integration 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; BS in Aerospace, Mechanical, Systems, or related field; 2+ years in system integration, test, and qualification; strong problem-solving and communication skills.
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3w
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Mission Integration Engineer
Torrance, California, United States
$88k-$155k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
5+ YOEActive Secret clearance, Bachelor's in Engineering/Physics (Master's preferred) or equivalent, 5+ years in integration/launch/spacecraft systems, technical project management, strong communication and coordination skills.
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1w
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Systems Integration Engineer
El Segundo, California, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
9+ YOE9+ years systems engineering/integration experience in DoD space or ground systems, TS/SCI clearance, bachelor’s in engineering/math/physics/CS, experience with risk management and DoD technical reviews, Microsoft Office proficiency.
Microsoft Teams, Word, Excel, PowerPoint, Outlook, Confluence, JIRA
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Systems Integration Engineer
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
9+ YOE9+ years systems engineering/integration in DoD space or ground systems, TS/SCI clearance, bachelor's in engineering/math/physics/computer science, strong risk management experience, DoD review familiarity, MS Office and collaboration tool proficiency.
Microsoft Teams, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Confluence, JIRA
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3mo
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Staff Growth Technology Integration Engineer
Chicago or Los Angeles
$172k-$215k/yr RemoteFull Time
Fanatics
Fanatics: A global digital sports platform for merchandise and collectibles.
8+ YOE8+ years of software engineering; web/mobile tech; data instrumentation; API development (REST/GraphQL); troubleshooting complex systems; strong communication.
React, NextJS, Swift, Kotlin, Braze, REST, GraphQL, Data Instrumentation
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Principal Build & Integration Engineer
Los Angeles, California, United States
$175k-$200k/yr OnsiteFull Time
K2 Space
K2 Space: Develops high-power satellite platforms for heavy-lift launch vehicles.
10+ YOEBachelor’s in engineering; 10+ years in integration engineering; experience with high-rate production; CAD and CAD software experience; strong leadership and communication skills.
Python, CAD software
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Sr HRIS Integration Engineer
Long Beach, California, United States
$131k-$181k/yr OnsiteFull Time
Relativity Space
Relativity Space: Designing and manufacturing 3D-printed rockets and launch vehicles.
5+ YOE5+ years Workday experience with HCM/payroll/time architecture, hands-on cross-system integrations (Workday Studio, APIs), Workday configuration and security expertise, strong communication skills.
Workday, Workday Studio, Core Connectors, EIBs, Greenhouse, System APIs, Reporting Infrastructure
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