New Grad Mechanical Engineer — Build Nuclear Hardware
General Matter, Inc.
General Matter, Inc. is seeking an early-career Mechanical Engineer to design, build, test, and own mechanisms and mechanical structures for enrichment technology in the US. You will work hands-on across the full engineering lifecycle, collaborating with engineers from electrical, software, chemical, manufacturing, and nuclear domains. This role suits a recent graduate who enjoys building real hardware and solving multidisciplinary challenges quickly. #J-18808-Ljbffr General Matter, Inc.
- 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...Suggested
- A leading aerospace manufacturer in Hawthorne, CA, is seeking a New Graduate Engineer, Mechanical to drive the design and production of cutting-edge technologies. You will own hardware from concept to operation, ensuring compliance through rigorous testing. The ideal candidate...New grad
- Freeform is seeking a Mechanical Engineer (New Grad December 2026) based in Hawthorne, CA, to own projects from concept through deployment. You... ...collaborating across disciplines to deliver production-ready hardware. The role emphasizes solving hard problems with a hands-...New grad
$96k - $106k
We are designing, building, and operating the world’s... ...’s ability to produce nuclear fuel to power AI, advanced... ..., world-class team of engineers and operators is... ...looking for an early-career Mechanical Engineer who is... ...enjoys building real hardware, solving challenging multidisciplinary...New gradFull timeInternshipWeekend work$95k - $110k
MECHANICAL ENGINEER (NEW GRAD DECEMBER 2026) 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 system, we unlock...New gradFull timeCasual workInternshipRelocation packageFlexible hours- Outpostspace in Playa Vista, CA, seeks a Mechanical Engineer to own the design and delivery of flight and ground hardware for the Atmospheric Entry (ATMO) subsystem, keeping... ...lifecycle—design, analysis, drawing release, build support, and test—with meaningful ownership...
- GITAI USA is seeking a Mechanical Engineer to design, build, and test mechanical hardware for interceptor vehicles. You will own hardware from layout to field testing, collaborating with propulsion, avionics, and manufacturing teams, and spending ~50% of time at remote...Remote work
$100k - $140k
...Job Description Job Description Mechanical Engineer - Structural Analysis & Hardware Development Los Angeles, California | On-site Opportunity Summary... ...Us We are a venture-backed engineering startup building advanced energy infrastructure through innovations...- Jobot is seeking a Mechanical Engineer with 5+ years of commercial HVAC design experience to join our Gardena, CA design-build team. You will develop mechanical concepts and layouts for large-scale projects, coordinating with internal teams and clients to deliver efficient...For contractors
- Helogen Corporation in Los Angeles, CA, invites an Aerospace Structures & Thermal Engineer to design, develop, and deliver structures, thermal systems, and flight hardware for aerospace vehicles. You will work on high‑performance components, guide analyses, and optimize...
- Amca is building airplanes for the 21st century, starting by designing new hardware that flies on today’s planes. Aviation was once humanity’s boldest ambition... ...it has to be this way. Overview The Mechanical Build Engineering role is responsible for owning the build...InternshipFlexible hours
- Nenni and Associates in Southern California seeks a Senior Mechanical Engineer to lead design of mechanical and plumbing systems for energy-efficient buildings. You will mentor junior engineers and ensure adherence to ICC, NFPA, FM Global, and Federal standards while guiding...
$95k - $115k
..., with the ultimate goal ofenabling human life on Mars. MECHANICAL ENGINEER (COMPONENTS BUILD ENGINEER STARSHIP) The Starship Components Manufacturing... ...Experience in build/test development and on‑time delivery of new components Experience working with fluid and...Permanent employmentTemporary workInternshipWeekend work- Amca in Los Angeles is seeking a Mechanical Build Engineer to own build procedures for qualification hardware, iterate on initial builds, and ensure production-ready aerospace components. You will do hands-on R&D for new build methods and collaborate with design engineers...
$90k - $200k
OPTO-MECHANI CAL BUILD ENGINEER Freeform builds AI-native manufacturing... ...systems that unify software, hardware, and physics to produce... ...integrated system, we unlock a new era of innovation where complex... ...deployment of custom opto-mechanical systems for the world’s most...Full timeCasual workInternshipRelocation packageLong distanceFlexible hours$135k - $190k
...goal of enabling human life on Mars.SR. MECHANICAL ENGINEER (HVAC)As a member of the construction... ...infrastructure team, you will design, build, and activate some of the world’s most... ...analysis methods in order to optimize hardware to strength requirements as well as to...Permanent employmentTemporary workWeekend work$194.9k - $310.86k
...are seeking a Senior Vice President, Mechanical Engineering to lead the growth and delivery of our... ...continued expansion of WSP's Property & Buildings business. The successful candidate... ...contractors.Identify, pursue, and secure new business opportunities and major project...Contract workFor contractorsLocal areaFlexible hours- PIH Health Downey Hospital is seeking an Engineer/HVAC Technician to oversee the operation and maintenance of building mechanical systems, ensuring a safe and satisfactory working environment that protects assets. Responsibilities include preventive maintenance, proactive...
$46.26 - $54.76 per hour
ABM Industries in Santa Monica is seeking a Building Engineer / Union Certified Engineer OR Non-Certified Engineer to maintain and repair building systems, troubleshoot issues, and coordinate service calls with vendors. This role requires 3-5 years in facilities management...Hourly payDay shift- ...problem- introducing a new class of cost-... ...Team The Seeker Team builds the eyes and the targeting... ...supply-chain security engineered in from day one. On a... ...for action and ships hardware that flies. This is a... ...the optical and opto‑mechanical subsystem of our seeker...Immediate startRemote workWeekend work
- Vital Lyfe is seeking a talented engineer in Los Angeles to design mechanical components for innovative water technology. You'll drive consumer hardware from conceptual design to high-volume production, emphasizing reliability and performance. This role requires a Bachelor...
$46.26 - $54.76 per hour
A leading facility management company is looking for a Building Engineer in Glendale, California. This role supports daily operations, including the maintenance and repair of HVAC and other building systems. Responsibilities include responding to customer requests and managing...Hourly payMonday to FridayShift work$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- General Matter in Los Angeles is seeking a Mechanical Engineer to contribute to executing a state-of-the-art enrichment facility. You will design and analyze mechanical systems, ensuring compliance with safety and performance standards. This role offers the chance to work...
- ABM Industries is seeking a Building Engineer (Certified or Non-Certified) to support daily operations of building systems and respond to customer requests. The role covers HVAC, mechanical and electrical systems, with duties including basic carpentry and coordinating with...Hourly payWeekly payNight shift
- ...spacecraft manufacturer in Los Angeles is seeking a Propulsion Mechanical Engineer to own mechanical designs for spacecraft propulsion systems.... ...the design, analysis, and qualification of propulsion hardware to perform reliably through launch environments. Candidates...
- SprintRay is seeking a Mechanical Engineer II in Los Angeles, onsite, with 2+ years in product development. You will drive concepts to manufacturing... ...analysis, and creating robust product architectures that advance dental 3D printing hardware. #J-18808-Ljbffr SprintRay Inc.
$150k - $200k
...Job Description SENIOR DESIGN ENGINEER (SEMICONDUCTOR MACHINERY HARDWARE) Freeform builds AI-native manufacturing systems... ...integrated system, we unlock a new era of innovation where complex... ...candidate is a highly experienced mechanical engineer with deep intuition for...Full timeCasual workRelocation packageFlexible hours- This OpportunityWSP is currently initiating a search for a Lead Mechanical Engineer to join our Property & Buildings team in Los Angeles, CA.This role is ideal for an experienced engineer with a strong background in healthcare and other complex building sectors, including...Local areaFlexible hours
- ...clockwork. As a CBRE Mobile Engineer, you’ll handle hands‑on maintenance... ...and repairs across HVAC, building systems, and equipment. On... ...maintenance and repairs to the mechanical, industrial, plumbing, structural... .... Willingness to take a new perspective on existing solutions...Work at officeVisa sponsorshipShift work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to New Grad Mechanical Engineer — Build Nuclear Hardware. Be the first to apply!
- nuclear engineer Los Angeles, CA
- new grad rn Los Angeles, CA
- new grad registered nurse Los Angeles, CA
- new grad rn work from home Los Angeles, CA
- new grad rn residency Los Angeles, CA
- mechanical coordinator Los Angeles, CA
- mechanical foreman Los Angeles, CA
- mechanical inspector Los Angeles, CA
- mechanical installation Los Angeles, CA
- entry level mechanical design Los Angeles, CA


