Top Engineering Jobs in Los Angeles, CA

Leads mission systems engineering for first-of-kind space vehicles and missions. Develops physics-based simulations, mission concepts, flight plans, and operational planning tools; supports system trade studies, technology integration, and performance verification. Collaborates with multidisciplinary teams, customers, and subject matter experts while presenting technical reviews and leading integrated development efforts across space and ground systems.

Lead design, qualification, and integration of spaceflight wire harnesses. Provide technical oversight, troubleshoot manufacturing/testing issues, develop documentation, mentor junior engineers, and support RF/high-speed media and EMI/EMC considerations while ensuring security and configuration control.

Lead wire harness design, documentation, and installation for space and launch vehicles. Coordinate with cross-functional teams, perform system integration and troubleshooting, support manufacturing and testing, mentor junior engineers, and maintain configuration, security, and compliance throughout product lifecycle.

Designs, develops, integrates, tests, and sustains satellite ground and mission control systems. Responsibilities include defining hardware and software requirements, developing integration and test plans, supporting customer and government-furnished systems, leading mission-control testing, designing mission data interfaces, supporting on-orbit operations, and contributing to proposals. The role is fully onsite and requires an active U.S. Secret clearance and U.S. citizenship.

Develop fault protection and autonomy architectures for first-of-kind spacecraft and missions. Responsibilities include systems integration, redundancy and fault-tolerance design, failure-mode analysis, onboard software requirements, spacecraft safing and recovery procedures, customer coordination, technical review presentations, and occasional anomaly on-call support. The role spans spacecraft and ground systems and requires collaboration across multidisciplinary teams.

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.

Develops and maintains spacecraft system test procedures, automated scripts, and test documentation. Validates scripts using simulators, emulators, test beds, and equipment; supports system-level test setup, execution, data collection, analysis, troubleshooting, and anomaly resolution. The role collaborates with systems engineering, special test equipment teams, and program management while supporting commercial and national security satellite programs.

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 development, qualification, optimization, and production support for fusion welding processes used on Relativity Space’s Terran R launch vehicle. Responsibilities include authoring WPS/PQR documentation, troubleshooting manufacturing issues, conducting root cause analysis, maintaining process controls and inspection criteria, mentoring engineers and technicians, and driving automation and continuous improvement.

Owns reliability and quality engineering activities for Terran R rocket design and production. Responsibilities include build verification, work instruction and process development, nonconformance management, configuration control, root-cause and corrective actions, inspection initiatives, and cross-functional collaboration with engineering, manufacturing, test, and launch teams. The role is onsite for a weekend shift and requires aerospace manufacturing quality experience, familiarity with PLM, MES, ERP, QMS software, and GD&T.

Develops dynamic loads, vibration, shock, and coupled-load analyses for Relativity Space’s Terran R launch vehicle and supporting hardware. Responsibilities include maturing hardware designs, generating load predictions, validating analytical models, developing qualification specifications, guiding structural design and testing, and collaborating across aerospace engineering teams. The role requires mechanics and vibrations knowledge, dynamic-response modeling, testing and instrumentation experience, engineering programming, and data analysis skills.

Leads systems engineering execution for satellite command-and-control ground systems supporting national defense missions. Owns requirements, verification and validation, system architecture, space-to-ground interfaces, integration, testing, operational readiness, risk mitigation, and sustainment. Coordinates cross-functional teams, mission operations, government stakeholders, and technical review boards while applying MBSE and requirements management processes. The role requires extensive lifecycle leadership of classified aerospace ground systems and eligibility for DoD TS/SCI or TS/SAP clearance.

Plans, executes, and documents complex rocket factory test operations. Develops test plans, procedures, automation, and work instructions; leads Test Readiness Reviews; operates manual and computer-controlled systems; troubleshoots electrical and fluid systems; mitigates safety risks; and supports post-test analysis, continuous improvement, training, and test stand design feedback.

Design, build, and own scalable microservices and secure APIs that transfer value across blockchain and banking protocols. Extend in-house blockchain infrastructure, integrate with banks and cloud services, troubleshoot production issues, document system and testing procedures, and collaborate with product and engineering teams to deliver reliable payment experiences.

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.

Leads software integration and simulation for a satellite flight program. Owns system-level integration, HIL functionality, simulation platforms, verification planning, test execution, data analysis, requirements sell-off, and discrepancy resolution. Partners with systems engineering, mission engineering, chief engineers, and program management to qualify flight, ground, GNC, autonomy, and mission operations software. The role also leads engineering personnel and mitigation of simulation fidelity risks.

Designs space structures, payload systems, and components using 3D CAD and GD&T. Collaborates with cross-functional teams to define interfaces, create engineering documentation, support manufacturing and integration, and resolve hardware anomalies throughout the product lifecycle. Provides engineering support during fabrication, integration, and testing at supplier and internal facilities. This fully onsite role requires U.S. citizenship, export-control compliance, and the ability to obtain a TS/SCI clearance with counterintelligence polygraph.

Provides technical and project leadership across systems engineering programs, including architecture, requirements, design, integration, testing, deployment, operations, and maintenance. Leads multidisciplinary engineering teams, ensures technical process discipline, manages risks, supports roadmaps and technology plans, and communicates with executives, customers, suppliers, and government representatives. The role focuses on mission integration, space operations, ground architecture, and rapid prototyping for defense and space systems.

Owns mechanical and structural design, packaging, analysis, testing, and validation of secondary avionics structures for the Terran R rocket. Provides technical direction, approves designs and analyses, makes architecture-level tradeoffs, and leads cross-functional integration across avionics, fluids, dynamics, thermal, structures, and vehicle integration teams. Ensures hardware meets static, dynamic, and thermal flight environments while balancing mission requirements, producibility, schedule, and cost.

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.

Develop and integrate Terran R vehicle build processes across the lifecycle. Own verification activities for integration, testing, and launch-site checkouts; support qualification, acceptance, and hotfire campaigns; write test objectives, matrices, and plans; resolve off-nominal manufacturing challenges; and balance technical, cost, schedule, performance, reliability, and launch-rate constraints. Collaborate across mechanical, fluids, avionics, manufacturing, and other engineering teams, with possible travel and shifted schedules for critical milestones.

Develop and scale manufacturing processes for rocket turbopump components and assemblies. Own manufacturing trades, fabrication, testing, tooling, and delivery of critical propulsion hardware while serving as the interface between design and manufacturing teams. Responsibilities include turbopump assembly, rotor balancing, tolerance analysis, structural proofing, leak checks, machining, additive manufacturing, and process optimization for flight engine production.

Develops manufacturing processes for rocket turbopump components and assemblies, including fabrication, assembly, testing, tooling, and delivery of critical propulsion hardware. Owns manufacturing trade studies and serves as the interface between design and manufacturing teams. Responsibilities include turbopump assembly, rotor balancing, tolerance analysis, structural proof testing, leak checks, machining, additive manufacturing, and tooling design while supporting production scale-up for flight engines.

Develop manufacturing processes, work instructions, and work orders for avionics hardware and wire harnesses. Lead manufacturing readiness reviews, provide design-for-manufacturability feedback, troubleshoot production issues, resolve non-conformances, and implement corrective actions. Partner with supply chain and quality teams to ensure component quality. Analyze yield and process data, drive continuous improvement, and maintain capacity and demand models.

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.