Top Systems Engineer Jobs in Los Angeles, CA

Design, build, monitor, and maintain large-scale Linux infrastructure supporting distributed S3-compatible object storage across multi-cloud environments. Responsibilities include kernel and storage optimization, network and hardware troubleshooting, automation with Chef or Ansible, observability, forecasting capacity, technical leadership, project coordination, mentoring, documentation, and on-call support.

As a Senior Mechanisms Systems Engineer, you will lead design and integration of complex mechanical systems, ensuring performance, reliability, and schedule alignment. Responsibilities include defining requirements, leading cross-disciplinary activities, driving development tests, and managing design and test schedules.

The Information Systems Engineer will design integrations and enhance engineering processes across various business systems, focusing on scalability and efficiency. Responsibilities include collaborating with teams to implement systems solutions, optimizing integrations, monitoring performance, and supporting production applications.

Lead architecture, development, and validation of end-to-end aircraft fuel systems. Drive cross-functional integration, system-level modeling (CFD), verification, supplier qualification, ground and flight test support, anomaly root-cause analysis, and mentor engineering teams while contributing to long-term fuel-system technology roadmaps.

Maintains and improves large-scale production systems across bare-metal servers, virtual machines, and container platforms. Responsibilities include Linux administration, architecture recommendations, hardware troubleshooting, production deployments, scripting and automation, monitoring, CI/CD, configuration management, technical documentation, and on-call support. The role collaborates with distributed cross-functional teams, uses AI to improve workflows, and requires periodic business travel and government-related background and fingerprint checks.

Lead Salesforce and billing platform engineering with an emphasis on AI-driven automation. Build scalable Salesforce solutions (Apex, Flow, LWC), pilot LLM/agent workflows, modernize CI/CD and test automation, support Quote-to-Cash and billing processes, collaborate across product and finance, drive technical debt reduction, and mentor junior engineers.

Own and engineer Arcadia's go-to-market technology stack (Salesforce, Planhat, RocketLane), building integrations, automations, and AI agents. Lead platform overhaul, data quality, reporting, deployments, documentation, user enablement, and cross-team partnership to scale Sales, Marketing, and Customer Operations.

Own and automate end-to-end employee lifecycle and shared IT infrastructure using infrastructure-as-code and SRE practices. Manage ITSM platform and AI-driven virtual agents, build integrations (Okta, Workday, JAMF, Google Workspace, Slack, Zoom, GitLab), instrument metrics, ensure reliability and compliance, and mentor support engineers.

Develop and execute environmental test procedures for spacecraft hardware (vibration, thermal, TVAC). Maintain test equipment, author SOPs, troubleshoot failures, implement process improvements and automation to increase throughput and ensure space-grade reliability. Support qualification and acceptance campaigns and enable manufacturing test scalability.

Develops and implements manufacturing processes for satellite structures and propulsion. Reviews designs for manufacturability, creates work instructions/BOMs/SOPs, coordinates vendors, leads transition from low-rate to higher-rate production, and applies root cause analysis and process improvements. Requires second-shift work and eligibility for U.S. security clearance.

Develops and integrates vehicle management software for aerospace and autonomy platforms. Creates verification strategies, test plans, simulators, hardware-in-the-loop environments, automated test frameworks, and CI/CD pipelines. Executes manual and automated testing, investigates defects, documents results, and supports software quality, compliance, and cross-functional test delivery. The role requires close collaboration with systems, flight software, integration, and mission operations teams.

Develop, qualify, and implement manufacturing processes for satellite structures and propulsion. Review designs for manufacturability, create work instructions and SOPs, lead process transition from low-rate to higher-rate production, and perform root-cause analysis with engineering corrective actions.

Designs, integrates, verifies, and tests satellite ground systems. Develops requirements, interface documents, architecture, test plans, and reports. Performs system analyses for reliability, safety, maintainability, security, and affordability. Works in agile teams, mentors staff, and supports requirements management, system integration, verification, and customer delivery to ensure mission success.

Design and verify RF and digital satellite communication systems and DSP architectures. Develop multi-rate fixed-point signal processing, perform link and performance analyses, support prototype demos, ASIC/FPGA implementation and verification, integration testing, requirements allocation, trade studies, and hardware procurement/reviews.

Lead architecture and scaling of finance systems across Oracle Fusion and integrations. Drive AI-assisted development, design data models, build integrations (SQL/PLSQL, REST/SOAP), automate financial workflows, and translate accounting requirements into scalable technical solutions while partnering with business and data teams.

The Senior Network Engineer is responsible for designing, maintaining, and optimizing network infrastructure, ensuring security and scalability while mentoring junior staff.

Designs and validates mechanical special test equipment for space-grade electronics, including enclosures, fixtures, thermal systems, interfaces, and integration hardware. Creates CAD models, manufacturing drawings, work instructions, analyses, BOMs, and release documentation. Leads prototyping, fabrication, lab testing, troubleshooting, and automated test-system integration. Collaborates with electrical engineers, supports production and environmental qualification, evaluates vendors, and tracks project schedules and costs. The role is fully onsite in El Segundo, California, with up to 10% domestic travel.

Design, analyze, configure, procure, and test spacecraft propulsion subsystems and components. Responsibilities include mass properties analysis, materials and process selection, supplier and subcontractor management, qualification testing, technical drawings, presentations, schedule tracking, and documenting design processes. The role is fully onsite, first shift, and supports satellite systems throughout development, launch, and operations.

Lead systems engineering for space sensing and ground systems: test, analyze, verify, and validate missile warning and remote sensing systems; author requirements, technical specifications, ICDs, integration and test plans; coordinate with clients and teams; support acquisition and deploy resilient space and ground architectures.

Designs, deploys, and supports electrical ground support equipment, HIL systems, test racks, enclosures, schematics, harnesses, and drawing packages. Develops software and firmware to control, monitor, and log test systems; documents applications in MBSE tools; supports DevSecOps pipelines; coordinates schedules, risks, and budgets; and provides hands-on assistance during satellite integration, test campaigns, and launch operations.

The Mission Operations Engineer leads spacecraft operations during their lifecycle, ensuring mission success through technical authority, procedure development, and anomaly response.

Designs and analyzes spacecraft electrical wiring and PCB interconnects (rigid/rigid-flex), generates schematics and harness/PCB drawings, performs electrical analyses and testing, supports integration, reviews data for design reviews, manages suppliers, and helps transition R&D designs into production.

Design, analyze, test, and productize satellite Electrical Power Systems. Responsibilities include electrical budgeting, solar and battery sizing, grounding issue resolution, MAS requirements integration, design-for-manufacturability, task delegation, work review, cross-disciplinary integration, and subsystem risk mitigation. The engineer will support the transition from design to flight hardware and help deliver efficient, scalable spacecraft power architectures.

Design and lead development of space-based RF payloads and communications subsystems for small satellites. Perform link-budget and antenna analysis, select RF components, collaborate on integration, verify manufacturing and on-orbit operations, and develop SDR and communications technologies to flight readiness.

Lead modeling, simulation, and analysis for satellite missions and constellations. Develop EO/IR image processing, tracking, state estimation, and control algorithms; build payload and CONOPS models; collaborate with software/firmware teams to deploy simulation platforms and ensure program deliverables meet mission requirements.