612 software systems engineer jobs at 214 companies in Fillmore, CA
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
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.
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.
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
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)
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.
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.
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
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
Reston or Huntsville or Denver or Seattle or Los Angeles
$134k-$203k/yrOnsiteFull 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
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.
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.
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
GRVTY: Develops defense technology, cyber, and intelligence software solutions.
15+ YOEBachelor's in engineering (Master's preferred), 15+ years systems engineering on complex hardware/software systems, integration & test experience, strong documentation and communication skills, US citizenship, ability to lead field testing and mentor engineers.
Software Engineer, Software Modernization & Backend Systems
El Segundo, California, United States
$110k-$166k/yrOnsiteFull Time
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
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.
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
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
2+ YOE2+ years software development or bachelor's in CS/engineering/math/science; experience with C++ on Linux; containerization and relational DB experience; ability to obtain Top Secret/SCI clearance.
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.
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
14+ YOEBachelor's in engineering/math/computer science/science, 14+ years experience, active Secret clearance, GPS and software experience, systems engineering expertise, government contract experience, technical writing, strong interpersonal and analytical skills.
Boston ScientificNYSE: BSX: Developer and manufacturer of innovative medical devices and therapies.
12+ YOELead system-level design for medical devices; 12+ years in engineering; experience with hardware/software systems; regulated industry experience.