Top Design Engineer Jobs in Los Angeles, CA

As a Senior Design Engineer, you will design robotic hardware, conduct simulations, collaborate with teams, manage vendor relationships, and mentor junior talent.

Design and develop aircraft subsystems including avionics, control surfaces, propulsion interfaces, and environmental systems. Translate system requirements into specifications, interfaces, drawings, and bills of materials. Conduct trade studies, simulations, integration activities, design reviews, and subsystem testing. Support configuration management, risk assessments, producibility, maintainability, troubleshooting, and corrective actions. The role is full-time, on-site in El Segundo or Palmdale, California, with occasional travel and requires an active Secret clearance plus SAP access.

Designs and develops fluid and propulsion system hardware for Blue Origin’s lunar lander, including cryogenic tubing, fittings, mounts, valves, heaters, and instrumentation. Owns CAD models and engineering artifacts throughout the product lifecycle, leads design-for-manufacturability activities, coordinates suppliers and manufacturing, performs structural and FEA analysis, interprets P&IDs, and supports fabrication, assembly, verification, testing, and operations.

Design, route, and integrate Terran R electrical wire harnesses from concept through qualification and production. Collaborate with structures, propulsion, and software teams, produce 3D/2D deliverables, validate via prototyping and test campaigns, and support vehicle-level integration, checkouts, and test plans.

Collaborate with product designers to implement modular, reusable React components and pixel-perfect UI across desktop and mobile. Build performant CSS-driven interactions, animations, and micro-interactions. Bridge front-end logic with design and maintain high polish across Vetcove's applications.

Designs and simulates FPGA/modem systems using Ultrascale+ and Versal platforms. Develops VHDL and SystemVerilog designs, works with high-speed SerDes and communication interfaces, and uses scripting languages for development and automation. The role requires extensive FPGA experience and offers contract-to-permanent potential. Software-defined radio/modem, PetaLinux, RF design, encryption, and active government clearance experience are preferred.

Design and own electrical interconnect systems and harness architectures for space vehicles from concept through production. Specify components, create schematics and production drawings, lead design reviews, develop assembly/verification procedures, and collaborate cross-functionally to meet environmental, reliability, and EMI/EMC constraints while supporting prototyping and multiple programs.

Designs and analyzes analog circuits across system, subsystem, and detailed design stages, including requirements development, modeling, simulation, verification, characterization, and troubleshooting. Performs PCB signal and power integrity analyses and supports schematic capture and layout using Mentor Xpedition, Cadence, or Altium Designer. The role requires substantial analog design experience, U.S. citizenship, and an active DoD Secret Clearance transfer.

Design and develop propulsion engine components and systems for Rocket Lab’s Archimedes engine, from concept through production. Responsibilities include creating mechanical design solutions, conducting trade studies and design reviews, applying heat transfer, fluid, structural, FEA, manufacturability, and GD&T principles, and collaborating with analysts, manufacturing engineers, subject matter experts, and fabrication teams to build aerospace hardware.

Designs lower-level building automation control systems, including drawings, material selection, sequences of operation, submittals, software tasks, as-built updates, and closeout documentation. Reads construction documents and electrical schematics, coordinates with project teams, manages assigned budgets and timelines, and supports field implementation. The role also requires customer-focused communication, safety compliance, training participation, occasional job-site travel, and lifting up to 50 pounds.

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.

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.

Design complex digital boards using high-end SoC FPGAs, high-speed interfaces, microprocessors, and power supplies. Perform signal and power integrity analysis using simulation tools, support EMC certification, and apply military and space hardware design experience. The role is hybrid in San Diego and offered on a contract-to-potential-permanent basis.

Design, analyze, document, and test mechanical components and systems for advanced nuclear reactor projects. Develop SolidWorks designs and manufacturing drawings, prepare specifications and test procedures, coordinate with multidisciplinary engineering teams, support fabrication and testing, troubleshoot issues, and participate in customer technical discussions. The role requires hands-on problem-solving, cross-functional collaboration, and adaptability to evolving requirements.

Design and develop space-grade RF products, including requirements definition, simulation, component selection, PCB layout, prototyping, testing, documentation, and production support. The role supports customer and program requirements, engineering reviews, anomaly troubleshooting, GSE development, and new product introduction while collaborating with test and manufacturing teams.

Design and develop RF products and radios for space applications. Responsibilities include defining requirements, selecting components, designing and prototyping RF circuits and PCBs, supporting testing and production automation, creating technical documentation, reviewing customer requirements, supporting engineering reviews, and troubleshooting anomalies. The role also coordinates with test and manufacturing teams to drive new product introduction and provides technical support for spacecraft and launch vehicle programs.

Summer engineering intern supporting the design and development of HVAC, plumbing, and piping systems for mechanical construction projects. Responsibilities include updating CAD drawings, schematics, and specifications; performing load calculations; selecting equipment; developing system layouts; and collaborating with senior engineers and design teams to meet industry standards and client requirements. The role is based in Cypress, California, with anticipated travel to Southern California project sites.

Design, develop, test, and validate mechanical reactor reactivity-control systems and precision actuation mechanisms. Responsibilities include defining requirements and architecture, performing mechanism trade studies and FMEA, designing components for high-temperature and radiation environments, conducting design-for-manufacturability assessments, developing verification plans, and collaborating with multidisciplinary engineering teams and vendors.

Lead the design, development, testing, and validation of mechanical reactor reactivity-control systems. Design precision mechanisms, actuation solutions, linkages, interfaces, and instrumentation for high-temperature, high-stress, and radiation environments. Define requirements, architectures, and verification plans; conduct FMEA, DFM assessments, trade studies, vendor evaluations, and cross-functional collaboration across thermal, structural, neutronics, controls, and simulation teams.

Own and evolve Buffer's front-end design system and component library for marketing pages. Build performant, accessible, animated React/TypeScript experiences on buffer.com, collaborate with designers and marketers, audit and improve performance and accessibility, and mentor peers on front-end architecture and standards.

Serves as technical authority and team leader for space-based interceptor tooling and mechanical ground support equipment. Responsibilities include requirements, CAD design, fabrication, qualification, vendor management, safety and regulatory compliance, configuration control, root-cause investigations, budgets, schedules, and production support. Leads tooling engineers, chairs design reviews, and presents to program leadership, MDA offices, and government stakeholders. Designs fixtures, lifting devices, launch equipment, transportation containers, weldments, and integration tooling while ensuring compliance with defense and aerospace standards.

Design and integrate Power Conversion System hardware, including pressure boundaries, piping, supports, rotating machinery interfaces, high-temperature components, and modular plant layouts. Own pressure budgets, thermal growth, leak-tightness, maintainability, and mechanical interfaces. Develop production-intent models and drawings, support fabrication, assembly, test rig design, instrumentation, commissioning, and troubleshooting, and use test data to improve component performance and life.

Design and integrate Power Conversion System hardware for advanced nuclear microreactors, including pressure boundaries, piping, supports, rotating machinery interfaces, thermal-growth accommodations, and high-temperature components. Own mechanical arrangement and pressure budgets, produce fabrication-ready designs, support testing and instrumentation, and use test data to improve performance and component life. Collaborate across mechanical, electrical, safety, and nuclear teams while supporting manufacturing, assembly, commissioning, and troubleshooting.

Own the mechanical design and lifecycle development of spacecraft electric propulsion hardware, including propulsion modules, thruster components, propellant systems, avionics boxes, structures, and tanks. Create models, drawings, and interface documents; conduct analysis; develop and execute tests; iterate prototypes; qualify flight hardware; manage suppliers; and support production, integration, and in-space demonstrations.

Responsible for designing and developing tools and factory automation equipment to support manufacturing, collaborating with various teams for efficient production of rockets.