Top Systems Engineer Jobs in Los Angeles, CA

Lead architecture, design, and integration of complex aerospace mechanical systems. Drive end-to-end systems engineering including requirements flow-down, verification & validation, control systems integration, test equipment, and field issue resolution. Provide technical leadership, collaborate with multidisciplinary teams and stakeholders, ensure designs meet quality standards, translate technical concepts for diverse audiences, and support project execution to meet scope, schedule, and performance targets.

The Survivability Systems Engineer/Scientist leads analyses and testing for spacecraft survivability against environmental challenges, overseeing designs and compliance verification.

Support 24/7 Boeing 777X operations by troubleshooting AOG/urgent systems issues, performing root cause analysis, developing interim and final engineering solutions, communicating with customers and suppliers, and supporting systems integration across flight controls, avionics, power, landing gear, fuel, and environmental systems. Provide technical briefings and ensure continued safe operation and regulatory compliance.

Lead and perform systems engineering for MILSATCOM ground mission planning systems: define and verify requirements, design interfaces and architecture, support integration and test, ensure system security, reliability and maintainability, mentor teams, coordinate with suppliers and government stakeholders, and present technical material at program reviews.

Design, build, integrate, and validate electromechanical ground support and test systems for vehicle engine and launch operations. Collaborate with avionics, propulsion, structures, test, and software teams, oversee fabrication and bring-up, author ICDs and release drawings, and ensure compliance with safety and ground-systems standards.

Design, develop, model, integrate, validate, and test environmental control systems for commercial, regional, business, and military aircraft. Develop ECS performance simulations and steady-state models, conduct thermodynamic, heat transfer, and fluid mechanics analyses, define system requirements, validate models against test data, and collaborate with cross-functional hardware and software engineering teams.

Designs, develops, models, integrates, and tests environmental control systems for commercial, regional, business, and military aircraft. Responsibilities include ECS performance modeling, thermodynamic, heat transfer, and fluid mechanics analyses, requirements definition and validation, system integration test support, model calibration, documentation, and coordination with internal and external stakeholders.

Designs, develops, and integrates aircraft Environmental Control Systems. Responsibilities include developing and validating ECS performance models, conducting thermodynamic, heat transfer, and fluid mechanics analyses, defining system and equipment requirements, optimizing and documenting steady-state models, integrating hardware and software, and performing system verification, validation, and testing.

Develops and integrates end-to-end space systems, managing external interfaces, requirements, verification planning, architecture models, CONOPS, system design documents, trade studies, test plans, and operational evaluation. Maintains requirements traceability and verification matrices, supports system-level selloff, and collaborates with customers, contractors, program offices, and interdisciplinary technical teams. The role is fully onsite in El Segundo, California, with infrequent local travel.

Leads development of MILSATCOM ground mission planning systems, including requirements analysis, architecture and interface design, integration, verification, testing, and customer demonstrations. Coordinates system performance requirements, risk and opportunity management, technical analyses, quality attributes, and cross-functional issue resolution. Collaborates with suppliers, contractors, government customers, and integrated product teams while mentoring engineering staff and leading technical reviews and documentation. The role is fully onsite in Seal Beach, California, requires an active Secret clearance, U.S. citizenship, and domestic travel as needed.

Lead architecture, integration, verification, and validation for complex aerospace mechanical systems. Provide technical leadership across control systems integration, test and development equipment, and field issue resolution. Collaborate with multidisciplinary engineering teams, program managers, stakeholders, and customers while ensuring compliance with quality standards. Drive technical problem-solving, communicate complex concepts clearly, and support project execution against scope, schedule, and performance targets.

As a Data and Control Systems Engineer, you will design, build, and integrate data systems for testing rocket components, work closely with technicians, and collaborate with operations and software teams to automate hardware control.

Lead design, build, integration, and validation of ground test and launch support systems for avionics and flight hardware. Collaborate cross-functionally to develop robust electrical and electromechanical systems, author interface control documents and drawings, oversee fabrication and bring-up, and ensure safety and operability during engine test, vehicle integration, and launch.

Designs and integrates complex mechanical systems, supports architecture trade studies, and develops, validates, and verifies system requirements. The role creates verification and qualification plans, coordinates component and analysis teams, presents technical findings, oversees testing, and maintains traceable technical documentation. It requires aerospace systems engineering expertise, knowledge of mechanical and thermal disciplines, requirements management tools, Model-Based Systems Engineering, and environmental testing experience. The position is hybrid in Torrance, California, with no relocation offered.

Lead design, architecture, and implementation of APIs, front-end interfaces, and backend services for satellite and ground systems. Guide Agile/DevSecOps development, CI/CD, automated testing, and security practices; lead code reviews, mentor team members, and own features through full lifecycle to deployment.

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

Lead architecture, analysis, design, testing, and validation of vehicle fluid subsystems for Terran R. Own schematics, component selection/sizing, conduct fluid/thermal analyses, support manufacturing and integrated vehicle testing, and collaborate cross-functionally to ensure system performance.

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

Design, develop, and verify RF, digital, and optical satellite communications payloads. Perform system CONOPS, requirements definition, link and performance analyses, tool development (MATLAB/OOP), integration, test, and supplier oversight across program lifecycle from concept through on-orbit operations.

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.

The IT Systems Engineer designs, develops, and integrates complex systems, focusing on operational support and optimizing system engineering tasks in a collaborative environment.

Design, model, and validate spaceborne laser and optical systems (OCT, LRF, LIDAR, star trackers). Define mission requirements, perform modeling/simulation and calibration, lead unit and system-level testing (ground and on-orbit), manage suppliers and project schedule/budget, and support proposals and mission data processing interfaces.

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.