Mechanical Engineer - Build
Dormont Manufacturing Co
What You Get To Do: Own the full mechanical build of our Poseidon robotic systems from start to finish Develop new processes for new production required by new product development Assemble, integrate, and debug electro‑mechanical subsystems including actuators, motors, PCBs, plumbing, and structural assemblies Identify design issues during build and work directly with the design team to implement improvements Build fixtures, tools, and processes that make each unit faster and more reliable to assemble Diagnose failures quickly through teardown, root‑cause analysis, and hands‑on testing Ensure every Poseidon unit meets quality, fit, alignment, and performance standards before deployment Collaborate with technicians and engineers to improve the repeatability of every subsystem Maintain build documentation, assembly procedures, and checklists as systems evolve Help plan and execute the build infrastructure and processes needed to triple robot production in 2026 Work closely with design engineers to influence new revisions based on real build‑floor feedback What You Will Need: 1+ years of hands‑on experience assembling or building electro‑mechanical hardware; 3+ years preferred Ability to read and produce CAD models, mechanical drawings, and specifications Strong mechanical intuition with the ability to diagnose issues and propose fixes quickly High proficiency with power tools, hand tools, and standard shop equipment Comfortable owning tasks independently and driving work to completion Strong communication skills and the ability to work closely with design engineers and technicians Experience with build documentation or writing clear assembly instructions Willingness to travel occasionally to fishing sites and work with the field engineering team on a dock or boat Bonus Qualifications: Fixtures or tooling design experience Experience with automation, robotics, or motion systems Familiarity with Siemens NX or similar CAD software Experience with fluid systems, alignment procedures, or precision mechanical assemblies Other Things To Know: Expect to work long hours outside of standard business hours, including early mornings, evenings, and weekends to support testing activities, technician schedules, and production deadlines This is a highly hands‑on engineering role focused on building hardware that will be deployed into harsh maritime environments You will be the primary owner of Poseidon system build reliability and drive the pace the company needs You’ll move between CAD reviews, wrench‑in‑hand assembly, troubleshooting on the floor, and pushing design updates Success requires ownership, urgency, and a willingness to solve problems where they happen, not from behind a desk #J-18808-Ljbffr Dormont Manufacturing Co
$95k - $115k
...actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. MECHANICAL ENGINEER (COMPONENTS BUILD ENGINEER STARSHIP) The Starship Components Manufacturing team assembles, tests, troubleshoots, and delivers flow control...SuggestedPermanent employmentTemporary workInternshipWeekend work- Dormont Manufacturing Co is looking for a Mechanical Build specialist in El Segundo, California. In this role, you'll own the mechanical... ...build process of Poseidon robotic systems, collaborating with engineers to ensure high-quality production standards are met. We're...Suggested
$90k - $200k
...Job Description Job Description OPTO-MECHANICAL BUILD ENGINEER Freeform builds AI-native manufacturing systems that unify software, hardware, and physics to produce industrial-scale parts at the speed of human ideation. By treating manufacturing as a single integrated...SuggestedFull timeCasual workInternshipRelocation packageLong distanceFlexible hours- Dormont Manufacturing Co is looking for an Opto-Mechanical Build Engineer in Hawthorne, California. You will lead the development and deployment of custom opto-mechanical systems for advanced metal 3D printing systems. In this hands-on role, you will own hardware testing...Suggested
$100k - $130k
Amca is seeking a Mechanical Build Engineer in El Segundo, California, to develop manufacturing processes and oversee qualification hardware builds. Responsibilities include R&D for innovative methodologies, managing assembly procedures, and partnering with design engineers...Suggested$100k - $135k
United States Digital Space LLC in Hawthorne, California is seeking a Mechanical Engineer to design and build flight hardware for multi-planetary exploration. The role requires a hands-on approach and collaboration with a world-class production team. Ideal candidates should...- Join Affiliated Engineers, Inc. as a Mechanical Engineer I in Pasadena, California. In this role, you will empower clients by developing energy-efficient building solutions while being mentored by experienced engineers. You'll be responsible for load calculations, system...
- A leading aerospace manufacturer is seeking a Mechanical Engineer to join their elite team in Hawthorne, CA. In this role, you will be responsible for designing and building flight hardware, focusing on structures and integration interfaces. The ideal candidate has a Bachelor...
$46.26 per hour
A leading integrated facility solutions provider is seeking a Building Engineer to oversee operations of various building systems. The ideal candidate will have over 5 years of engineering experience, hold necessary state licenses, and have proficiency in customer service...Hourly pay$90k - $120k
A leading engineering firm in Los Angeles is looking for a Mechanical Engineer II to develop and document HVAC system designs. The ideal candidate will have at least 3 years of experience in designing complex building systems and a relevant engineering degree. This position...Flexible hours$75k - $95k
Omega Law Group Accident & Injury Attorneys is seeking a skilled Building Engineer for their West Hollywood facility. The role involves overseeing mechanical, electrical, and HVAC systems to ensure safety and comfort. Responsibilities include conducting preventive maintenance...For contractors- A construction management firm in Los Angeles seeks an Office Engineer specializing in Document Control for Building, Marine, and Port projects. The ideal candidate will manage documentation processes, support project teams, and ensure timely results with a focus on customer...Work at office
- Overview Amca is building airplanes for the 21st century, starting by designing new hardware... ...based on real world data for the design engineers to abide by Trade purchasing commercial... ...engineering, materials engineering, mechanical engineering or engineering physics 1+ years...InternshipFlexible hours
- ...bodies. We are singularly focused on designing, building, and operating a fleet of multi-purpose... ...collaboratively to design, develop and implement exceptional engineering solutions to enable off planet exploration. As a Mechanical Engineer within that team, you will be...Home officeFlexible hours
- ...Job Description Job Description Mechanical Engineer - Mission Critical Our Mechanical Engineering team is looking to add an experienced... ...to our group of talented engineers. The Mechanical Engineer builds on foundational experience to take independent ownership of...Work at officeWork from homeFlexible hours
$110k - $150k
...Job Description Job Description Mechanical Engineer - Space-Based Interceptor Systems El Segundo, California | On-site Opportunity... ...to address emerging national security threats. The team is building advanced flight hardware that combines propulsion,...- ...Job Description Job Description Mechanical Engineer Do you want to be part of an organization on the cutting edge of technology?... ...structural) to ensure success under real world conditions Build and maintain accurate Bills of Materials (BOMs) Execute Engineering...Full timeWork at officeLocal areaFlexible hours
$90k - $110k
...Job Description Job Description Mechanical Engineer — Space Hardware (Hands‑On, High Ownership) Location: Hawthorne, CA Type: Full... ...0K Level 4: $150K – $180K About the Role We are building spacecraft hardware at startup velocity. This role is for an...Full time- ...Job Description Job Description Description As a Mechanical Engineer (COPVs)for our Vehicle Engineering Team, you will own all aspects of the design, analysis, build, test and integration of flight composite overwrapped pressure vessels – working with cross-functional...Permanent employmentFull time
$90k - $120k
A leading engineering firm in Los Angeles is seeking a Mechanical Engineer II to develop energy-efficient building solutions and contribute to transformative projects. You will need a BSAE or BSME and over 3 years of HVAC design experience. Strong communication, organization...$130k - $180k
Role Overview SpaceX is hiring a Senior Build Engineer (Special Projects) in Hawthorne. This is a full‑time role supporting special projects... .... PREFERRED SKILLS AND EXPERIENCE Master’s degree in mechanical, manufacturing, aerospace, materials, or industrial engineering...Permanent employmentFull timeRemote workWeekend work$130k - $180k
SpaceX is hiring a Senior Build Engineer (Special Projects) in Hawthorne. This full-time role supports special projects focusing on manufacturing processes, tooling, and production systems for complex hardware. The ideal candidate will possess a Bachelor’s degree in engineering...Full time$109k - $150k
...: Space Kinetic is a dual use space technology startup building a completely new architecture for space operations – one that... ...we do in space. What You'll Do: The Senior Mechanical Design Engineer will provide guidance for design and prototype builds for...Permanent employmentFlexible hours$133.5k - $184.8k
...Radiant is an El Segundo, CA-based startup building the world’s first mass-produced,... ...development leverages modern software engineering to rapidly deliver safe, factory-built... ...is seeking a highly motivated Senior Mechanical Engineer, Mechanisms to design and develop...Full timeSummer workImmediate startRemote workFlexible hoursWeekend work- ...Job Description Job Description Description As a Senior Mechanical Engineer for our Electric Propulsion Team at Impulse, you will own... ...qualification and production. Responsibilities Design, analyze, build, test, and document Hall thruster components/assemblies and...Permanent employmentFull time
$158k - $247.28k
...Radiant is an El Segundo, CA-based startup building the world’s first mass-produced,... ...development leverages modern software engineering to rapidly deliver safe, factory-built... ...is seeking a highly motivated Senior Mechanical Engineer to join the team responsible...Full timeSummer workImmediate startRemote workFlexible hoursWeekend work$150k - $175k
...operating emissions—modular, fuel-flexible, and engineered for the realities of today's energy... ...systems thinkers with a shared goal: to build technology worthy of the world we want... .... Role Overview We are seeking a Mechanical Design Engineer to lead the design and analysis...Live inWork at officeFlexible hours$200.5k - $314.48k
...Radiant is an El Segundo, CA-based startup building the world’s first mass-produced,... ...development leverages modern software engineering to rapidly deliver safe, factory-built... ...Radiant is seeking a highly motivated Staff Mechanical Engineer to own critical Kaleidos...Full timeSummer workImmediate startRemote workFlexible hoursWeekend work$91.8k - $112.2k
...reclaiming the lost art of rapid iterative prototyping to build the fastest aircraft in the world today. By prioritizing relentless... ...a durable, asymmetric advantage. The Spike Inlet Mechanism Build Engineer will be responsible for the build, integration, and test of...Weekly payPermanent employmentWork at office$91.8k - $112.2k
...lost art of rapid iterative prototyping to build the fastest aircraft in the world today.... ...This role sits at the intersection of engineering design, manufacturing, integration and... ...first principles. ~ Bachelor's degree in mechanical, aerospace, manufacturing, or related...Weekly payPermanent employmentInternshipWork at officeWeekend work
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