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853 software systems engineer jobs at 279 companies in Pasadena, CA

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Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
Help us #BeatIndeed & #BeatLinkedIn
2mo
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Senior Software Systems Engineer
El Segundo, California, United States
$121k-$151k/yr OnsiteFull Time
KBR
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.
Docker, Kubernetes, AWS GovCloud, Azure Government, Jira, Confluence, DevSecOps tools, RMF, API design
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Lead Software Systems Engineer
Seal Beach, California, United States
$172k-$232k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
5+ YOE5+ MgmtActive U.S. Top Secret/SCI clearance, Bachelor’s degree, 5+ years software development experience (Python, JavaScript, TypeScript), CI/CD and database experience, leadership and systems engineering for space/ground systems.
Python, JavaScript, TypeScript, Angular, JQuery, FastAPI, Postgres, SQL, NoSQL, Java, CI/CD
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1w
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Senior Software Systems Engineer
Boston or Los Angeles or Colorado Springs
$156k-$244k/yr RemoteFull Time
Revolution Space
Revolution Space: Building advanced in-space propulsion systems for satellites.
10+ YOEBachelor's in CS/Engineering,10+ years systems engineering experience, proficiency in programming and OS, knowledge of networking,V&V and requirements management,ability to obtain U.S. government clearance.
Python, C++, Java, JavaScript, Linux, Windows Server, TCP/IP, DNS, MS Excel, DOORS, Large Language Models, AWS, Azure, GCP, Ansible, Docker, Kubernetes, MBSE, SysML
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1mo
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Satellite Systems Software Engineer
Seal Beach, California, United States
OnsiteFull Time
OMNI Consulting Solutions
OMNI Consulting Solutions: A boutique consulting firm providing DoD/aerospace support and engineering services.
9+ YOETS/SCI with Poly, BS in Engineering/CS/Physics/Math or related STEM, 9+ years with BS or 7+ with MS; embedded software, spacecraft systems, and DoD/IC space program experience.
C/C++, Embedded Software, Spacecraft Software
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2d
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Lead Software Systems Engineer
Seal Beach, California, United States
$172k-$232k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
5+ YOEActive U.S. Top Secret/SCI required, Bachelor\u0002s degree or equivalent, 5+ years software development experience for space/ground systems, Python/JavaScript/TypeScript experience, CI/CD and database experience.
Python, JavaScript, Angular, JQuery, TypeScript, Postgres, SQL, NoSQL, Java, FastAPI, CI/CD
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1mo
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Senior Software Systems Engineer
Northridge, California, United States
$155k-$185k/yr OnsiteFull Time
Areté
Areté: Develops advanced sensing and signal processing solutions for national security.
9+ YOETop Secret clearance and U.S. citizenship required; extensive systems engineering experience testing algorithms and GUIs, CI/CD (Jenkins, Git), documentation and requirements work, familiarity with C++/Python, and degree in a technical field.
Jenkins, Git, Squish, C++, Python, model-based systems engineering (MBSE)
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2mo
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Ground Software Systems Engineer
El Segundo or Colorado Springs or Aurora
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
7+ YOE7+ years in ground system components and software development (C++/Python), 2+ years in program reviews and software design documentation, agile, secret clearance, STEM degree.
C++, Python, Java, C, C#, JavaScript, React, NodeJS, PHP, Drupal, .NET
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1w
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Senior Ground Systems Software Engineer
El Segundo, California, United States
$169k-$217k/yr OnsiteFull Time
Varda Space Industries
Varda Space Industries: Develops in-orbit manufacturing platforms and reentry capsules for pharmaceuticals.
5+ YOEBachelor's in CS/engineering or equivalent,5+ years in spacecraft/safety-critical software,expert Python,systems fundamentals,CI/CD and observability experience,Docker/Kubernetes familiarity.
Python, C++, Ansible, NiceGUI, Docker, Kubernetes
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2mo
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Software Engineer (Range Systems)
Corona, California, United States
$115k-$150k/yr HybridFull Time
Saalex
Saalex: Provides engineering, IT, and mission support for defense agencies.
7+ YOE7+ years in systems/software engineering; experience with hardware/software integration; proficiency in C++, Java, Python, or C#; DoD or defense program exposure is a plus.
C++, Java, Python, C#, TCP/IP
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2mo
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Senior Systems Software Engineer
Los Angeles or Remote- US
$145k-$195k/yr HybridFull Time
Zoo
Zoo: Develops infrastructure and AI-powered tools for hardware design.
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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2mo
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Ground Software Systems Engineer
El Segundo or Aurora or Colorado Springs
$87k-$198k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
7+ YOE7+ years in ground system components and software development; 2+ years in design docs and test procedures; Secret clearance; BS in STEM; Top Secret preferred
C++, Python, Java, C#, C, NET, JavaScript, React, NodeJS, PHP, Drupal, DO-178C
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2mo
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Embedded Systems Software Engineer
Costa Mesa, California, United States
$144k-$191k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
5+ YOE5+ years in embedded software/firmware; BS in CS/CE/EE; C proficiency; microcontroller and embedded development; hardware/software debugging; IC bus protocols; eligibility for U.S. Secret security clearance.
C, RTOS, JTAG, SWD, Oscilloscopes, Logic Analyzers, I2C, SPI, CAN, RS232, RS485, Ethernet
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1w
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Space Segment Software Systems Engineer - Senior
Reston or Huntsville or Denver or Seattle or Los Angeles
$134k-$203k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
10+ YOEB.S. in engineering or equivalent, 10+ years aerospace systems experience, flight software and spacecraft systems knowledge, familiarity with spacecraft communications and CCSDS, strong written/verbal skills, U.S. work-authorized.
cFS, F Prime, CCSDS, Jira, gitlab, CI/CD pipelines, 1553, Ethernet
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1mo
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Systems Engineer
El Segundo, California, United States
$148k-$250k/yr OnsiteFull Time
BTAS
BTAS: A woman-owned small business providing IT, engineering, and program management services.
14+ YOEDegree in related field with 10+ years' experience; systems engineering for large-scale software/hardware; DoD/IC experience; Agile/DevSecOps; cloud; DaaS; strong communication.
DevSecOps, SRE, Cloud, DaaS, Agile
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1mo
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Senior Software Engineer – Mission Systems
Palmdale or Fort Worth
$120k-$160k/yr OnsiteFull Time
Lynx Software Technologies
Lynx Software Technologies: Provides secure, safety-certified software for aerospace and defense.
5+ YOEBachelor's in STEM, 5+ years C/C++ for real-time embedded/mission systems, experience with mission systems architecture, integration/testing, and Atlassian tools. Active Secret clearance required; ability to work onsite.
C, C++, Confluence, JIRA, Bitbucket
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3mo
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Systems Engineer
El Segundo, California, United States
$73k-$97k/yr OnsiteFull Time
Teledyne Technologies
Teledyne TechnologiesNYSE: TDY: Manufactures sensors, cameras, and electronics for aerospace and defense.
2+ YOEBachelor’s degree in STEM; 2+ years in systems/aerospace engineering; Python experience; hardware/software debugging in avionics; ISO 9001 experience preferred; U.S. person; strong collaboration and communication.
Python, Networking, TCP/IP, UDP, Wi-Fi, Cellular, Embedded systems
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2w
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Software Engineer, Software Modernization & Backend Systems
El Segundo, California, United States
$110k-$166k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
4+ YOEBachelor's in CS/CE/EE or related, 4+ years software engineering experience, backend/microservices/cloud architecture, data ingestion and automation experience, ability to obtain U.S. security clearance and occasional domestic travel.
Spring Boot, Camunda, BPMN, AWS, Microsoft Azure, Jenkins, Linux, REST, CI/CD, AI/ML, LLM, RAG, NLP
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1mo
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Software Engineer Staff Combat Systems
Palmdale, California, United States
$114k-$201k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Bachelor's in engineering/technical field, experience developing C++ software on Windows and Linux, familiarity with CMake, TCP/UDP and DDS, Agile/Jira experience, ability to integrate and test real-time simulation software; must be a U.S. citizen with active Secret clearance.
C++, Windows, Linux, CMake, TCP, UDP, DDS, Jira, VRSG, OMNI View, AFSIM, HOTAS, DIS, CIGI, Git, hardware-in-the-loop
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2mo
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Ground Systems Software Integration Engineer
El Segundo or Redondo Beach
$160k-$200k/yr OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
9+ YOEActive TS/SCI with polygraph; bachelor's in STEM; 9+ years in ground system integration; satellite systems experience; SDLC/DevSecOps; cloud and virtualization; travel readiness.
DevSecOps, Cloud, Virtualization, System Engineering Tools
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1mo
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Lead Software Engineer, Engine Systems
Irvine or Albany
$122k-$225k/yr HybridFull Time
Blizzard Entertainment
Blizzard EntertainmentNASDAQ: MSFT: Develops and publishes interactive video games and services.
8+ YOE8+ years game engineering experience, leadership and shipped title required. Strong C++ proficiency, multithreading, performance optimization, engine systems experience (asset streaming, loading, scheduling), and excellent communication.
C++, Unreal Engine
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