Top Systems Engineer Jobs in Los Angeles, CA

Develop, integrate, and verify vehicle management software for flight systems. Build simulation and hardware-in-the-loop test environments, author and execute V&V test plans, automate test frameworks and CI/CD pipelines, investigate defects, maintain engineering/test documentation, and coordinate cross-functional verification efforts.

Responsible for fluid system architecture and function for vehicle subsystems, applying expertise in thermodynamics, design, and validation efforts.

The Vehicle Fluid Systems Engineer will manage fluid system architecture for rockets, conduct fluid analyses, and support hardware design and testing.

The Avionics Systems Service Engineer assists airline customers with technical problems, troubleshooting avionics issues, and providing solutions to return airplanes to service.

Design, analyze, and test spacecraft thermal systems at component through system level. Build thermal models, support verification testing, develop tools, brief stakeholders, and assist with materials/processes and MLI support. Contribute to proposals and program efforts.

Lead development and execution of environmental test procedures for spacecraft hardware, supporting qualification and high-rate production. Maintain and improve thermal, vacuum, and vibration test processes and equipment; troubleshoot failures, implement corrective actions, and develop automation and SOPs to increase throughput and reliability while ensuring safety and export/security compliance.

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.

Lead integrated stage test campaigns for Terran R: develop and execute test plans, write test sequences, sit console for hotfire tests, troubleshoot systems in real time, decompose requirements, drive verification and risk mitigation, and coordinate cross-functional subsystem investigations. Travel to test and launch sites and work hands-on with hardware through qualification, acceptance, and launch campaigns.

Provide avionics systems support for 777X aircraft by troubleshooting fielded hardware/software, assisting customers with AOG recovery, translating requirements into system designs, validating system performance, monitoring supplier integration, and researching technology improvements. Support is 24/7 and may be remote or on-site using Boeing tools and fleet analytics.

Serve as Deputy Chief Engineer performing independent design and test reviews, risk assessments, and cross-disciplinary synthesis. Lead ad-hoc teams to diagnose problems, recommend technical solutions, and brief senior leaders and customers. Guide technology development and make buy/make trade decisions throughout concept, prototyping, launch, and on-orbit operations.

Lead systems engineering across avionics, RF communications, and electrical power subsystems, ensuring requirements traceability, interface management, and integration planning. Mentor junior engineers and represent avionics in design reviews.

Lead design, installation, operation, and maintenance of cryogenic and industrial gas systems for spacecraft manufacturing and testing. Own system specifications, P&IDs, procedures, commissioning, troubleshooting, vendor management, and cross-functional coordination while ensuring compliance with safety codes and standards.

Lead architecture, design, qualification, and productionization of photonic/optical payloads for high-volume space satellites. Own optical design, SNR budgets, tolerancing, environmental qualification, vendor management, lab characterization, system validation, and on-orbit commissioning. Collaborate across bus and payload teams, prepare design reviews, hire and mentor staff, and define production/test transition plans.

The Avionics Systems Service Engineer assists airline customers with technical issues, troubleshooting, and providing fleet guidance to ensure aircraft return to service.

Lead modeling, simulation, and mission analysis for satellite and constellation systems. Develop CONOPS/DRMs, image processing, tracking, state estimation, and control algorithms. Build simulation platforms (including software/hardware-in-the-loop), perform system trades and TPM predictions, and serve as Responsible Engineering Authority to validate mission performance and deliver program technical products.

As a Mission Analysis Engineer, you will develop and manage simulations for satellite missions, design EO/IR algorithms, and lead program management to deliver high-quality results.

Design, implement, and test real-time embedded C/C++ software for spacecraft avionics. Collaborate with hardware, control and systems teams, prototype solutions, run unit and HIL tests, verify interfaces, support system qualification, perform code reviews, and provide post-launch support and software updates.

Develop and execute environmental test procedures (vibration, thermal, TVAC) for spacecraft hardware; maintain and troubleshoot test equipment; create SOPs and automation to increase manufacturing test throughput and reliability; drive continuous improvement and support qualification and acceptance campaigns.

Support and execute environmental test campaigns (vibration, thermal, TVAC) for spacecraft hardware; author test procedures and SOPs; maintain and automate test equipment; troubleshoot root causes and implement corrective actions; optimize manufacturing test processes to enable high-rate, reliable production while ensuring safety and clearance compliance.

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.

Lead system- and component-level development of spacecraft propulsion and fluidic systems. Perform performance calculations, modeling, requirements management, test planning/execution, data analysis, risk-based decisions, project management, mentorship, and process documentation across end-to-end development.

Design, implement, and maintain secure MILSATCOM infrastructure and terminal systems. Perform systems engineering, requirements and ICD development, integration, test planning, verification/validation, and documentation. Lead technical projects, collaborate with government and contractor teams, and ensure secure on-site operations for protected SATCOM terminal capabilities.

The Principal Optical Systems Engineer will design and manage the life cycle of optical systems for satellites, involving manufacturing, testing, and deployment. Responsibilities include system architecture, optical design, vendor leadership, and team mentorship.

Own and administer the Manufacturo MES end-to-end: configure workflows, templates, permissions, and integrations with ERP/PLM. Translate manufacturing intent into executable work instructions, maintain production data integrity, troubleshoot floor issues, drive adoption, and support audits and continuous improvement to keep production flowing.

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.