Top Systems Engineer Jobs in Los Angeles, CA

Develop and maintain model-based systems engineering architectures for a U.S. Space Force system-of-systems enterprise. Use Cameo and related digital engineering tools to manage requirements, traceability, system models, technical specifications, and architecture. Support integration, testing, deployment, sustainment, risk mitigation, and lifecycle planning. Maintain technical documentation and repositories, collaborate with government and contractor stakeholders, and produce engineering reports and decision-support materials.

Develops and verifies test methods, procedures, instrumentation, configurations, and test systems for aerospace programs. Integrates and sustains laboratory environments, analyzes and validates test data, prepares reports, presents results, archives documentation, and trains others. The role also supports requirements management, configuration management, agile leadership, system integration, and technical team collaboration across multiple airplane programs.

Leads the design, analysis, testing, and integration of spacecraft electrical power systems, including solar arrays, batteries, power distribution, converters, protection, and power budgets. Owns architecture trades, modeling, design reviews, radiation and reliability analyses, validation campaigns, EGSE, and environmental testing. Collaborates across engineering teams, develops technical documentation, mentors engineers, and ensures high-reliability power systems meet mission requirements.

Leads the thermal control systems manufacturing engineering team for spacecraft hardware. Owns manufacturing development, production readiness, build execution, schedules, work instructions, inspection plans, process qualification, and nonconformance resolution. Partners with design, quality, supply chain, technicians, and integration teams to manufacture pumps, fluid loops, coldplates, heaters, and tubing. Mentors engineers, supports hiring, drives design for manufacturability, supplier readiness, root-cause corrective actions, and successful hardware integration.

Designs, develops, and executes avionics testing strategies for rocket systems across component, subsystem, and vehicle levels. Responsibilities include system integration, design validation, test planning, troubleshooting, automation, testbed operation, vehicle-level CONOPs, go/no-go criteria, operator manuals, console operations, and launch-test data review. The role validates power systems, fault tolerance, vehicle networks, software, and other integrated electrical systems.

Maintain and ensure uptime of live broadcast and AV systems by performing preventative maintenance, fault isolation, configuration backups, and coordinated maintenance windows. Troubleshoot SDI and IP media (ST 2110, Dante, AES67), manage vendor cases, produce incident reports and run-books, support integration/remediation projects, and travel between client sites as needed.

Designs and implements model-based navigation software and advanced navigation and timing technologies. Responsibilities include analyzing navigation performance in laboratory and flight tests, developing sensor-fusion and state-estimation algorithms, evaluating inertial navigation data, synchronizing and calibrating sensors, communicating results to stakeholders, and presenting technical work. The role supports critical defense systems and requires onsite work, U.S. citizenship, and the ability to obtain a Secret clearance.

Designs and analyzes model-based navigation software and advanced navigation and timing technologies. Responsibilities include navigation performance analysis in laboratory and flight-test scenarios, sensor-fusion and state-estimation algorithm development, sensor synchronization and calibration, data analysis, stakeholder communication, technical presentations, and collaboration with program teams and customers. The role supports critical defense systems and requires onsite work in Woodland Hills, California, U.S. citizenship, and eligibility for a Secret clearance.

Designs, develops, integrates, verifies, and supports special test equipment for space electronics. Responsibilities include hardware or software test system development, automated test software, circuit design, prototyping, troubleshooting, root-cause analysis, qualification testing, configuration management, equipment selection, and technical proposal support. The role collaborates with engineers, technicians, and program leads and is fully onsite in El Segundo, California.

Leads spacecraft mechanical engineering efforts, establishes technical direction, and develops processes, standards, tools, and design guides. Supports engineering authorities with technical problem-solving and verification testing, provides guidance during design reviews, customer meetings, failure analyses, and trade studies, and audits programs and suppliers for improvement opportunities. Mentors mechanical engineers and advances emerging spacecraft mechanical design technologies.

Leads complex infrastructure migrations, systems integration, enterprise troubleshooting, security tool deployments, infrastructure-as-code automation, and performance engineering. Investigates outages using packet analysis, log correlation, and kernel debugging across Windows, Linux, and Cisco environments. Requires advanced network and systems expertise, federal or defense experience, high-level certifications, a technical degree, and Secret or potentially Top Secret clearance.

Designs, delivers, and leads the Guidance, Navigation, and Controls subsystem for small satellite programs. Responsibilities include GNC design and analysis, flight control software development and verification, sensor/actuator selection, interfacing with systems and program teams, managing cost/schedule/risk, supporting satellite integration, test, and on-orbit operations, and providing technical leadership and mentorship as the REA for program GNC delivery.

Owns end-to-end stage test campaigns for Terran R, including test planning, sequence development, hardware operations, data review, console operations, troubleshooting, requirements decomposition, verification, and risk mitigation. The role integrates vehicle subsystems across qualification, acceptance, hotfire, launch, recovery, and reuse activities. It requires cross-functional collaboration across mechanical, fluids, electrical, manufacturing, and aerospace engineering teams, along with travel to test and launch sites and flexibility during critical milestones.

Architect, optimize, and maintain global office network and cloud-edge infrastructure across 12 offices. Manage cloud hybrid networking (AWS/Azure), Microsoft Entra ID and Exchange Online, Windows/Linux servers, backup/DR (Azure Backup/ASR), monitoring, automation (PowerShell/Bash/Python), and act as Tier 3 escalation for complex infrastructure and security incidents.

Designs, architects, maintains, and supports complex Teamcenter PLM solutions and integrations. Leads implementations, upgrades, data migrations, distributed environments, workflows, configuration, production issue resolution, and technical design reviews. Collaborates with cross-functional teams on requirements, testing, training, compliance, deployments, monitoring, and obsolescence management. Provides technical documentation, mentoring, and leadership for high-impact PLM initiatives across multiple business units and sites.

Build, configure, test, troubleshoot, and improve Flippy robotic systems. Develop system-level verification, validation, regression, and reliability tests; create Python automation tools; diagnose hardware and software failures; analyze data and identify root causes. Support prototype development, system integration, and occasional customer deployments. The role combines hands-on assembly, physical testing, software and QA automation, and field support in an on-site Pasadena environment.

Performs structural analysis and develops high-fidelity models for spacecraft, mechanical equipment, deployable structures, and ground support equipment. Responsibilities include stress, modal, static, loads, acceleration, and environmental testing analysis; spacecraft design and mass properties support; structural qualification testing; drawing reviews; and documenting engineering processes. The role is fully onsite and supports spacecraft development through launch and operational lifecycles.

Lead modeling, simulation, and mission design for satellite constellations. Develop EO/IR image processing, state estimation, and control algorithms. Architect CONOPS/DRMs, validate TPMs, and integrate simulation platforms with software and firmware teams to meet mission requirements.

Develops and maintains full-stack client-side, server-side, and desktop software for mission-critical satellite systems. Designs APIs and web services, integrates capabilities across engineering teams, and optimizes applications for scalability, performance, and reliability. Responsibilities include troubleshooting, upgrades, testing, code reviews, documentation, and continuous improvement. The role requires Java experience, software lifecycle leadership, CI/CD expertise, a bachelor's degree, an active U.S. Secret clearance, and onsite work in El Segundo, California.

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.

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

Own the spacecraft’s end-to-end systems engineering baseline, including mission architecture, requirements, interfaces, technical budgets, margins, verification, reliability, launch integration, and operational readiness. Lead system-level trade studies, reviews, risk management, and configuration control while partnering across all engineering disciplines. Build and mentor the systems engineering organization, establish flight-grade processes, support regulatory and customer engagements, and help shape the company’s technical roadmap and engineering culture.

Owns end-to-end design, analysis, manufacturing, supplier development, assembly, and testing of nuclear reactor fluid systems, including primary and power conversion loops, compressors, valves, heat exchangers, and piping. Performs thermal-fluid analysis, trade studies, FMEA, BOM management, requirements development, and test planning. The role is fully onsite in El Segundo and requires 8+ years of fluids-system engineering experience.

Own the end-to-end design, analysis, manufacturing, assembly, and testing of reactor fluid systems, including primary and power conversion loops, compressors, valves, heat exchangers, and piping. Perform thermal-fluid analysis, trade studies, FMEA, supplier selection, BOM management, test planning, and manufacturing support. The role requires close multidisciplinary collaboration and is fully onsite in El Segundo, California, with occasional extended hours and weekends.

Leads systems engineering, integration, test, and deployment activities for operational and future assets. Coordinates factory and site DT&E, manages installation teams, collaborates with IPTs and customers, develops technical procedures, reviews requirements and designs, and resolves hardware/software discrepancies. The role requires systems architecture, lifecycle, requirements, CONOPS, ICD, validation, troubleshooting, and operations and maintenance expertise, with support for classified aerospace programs.