Senior Mechanical Engineer
3DEO
Job Title: Senior Mechanical Engineer Industrial Machine Design Integration
Department: RD
Reports to: Director of Engineering
Employment Type: Full-Time
FLSA Status: Exempt
The Company:
3DEO is a leader and innovator in sinter-based additive manufacturing (AM), delivering proprietary and differentiated AM solutions that drive breakthrough product performance. With some of the industrys highest-volume capabilities in metal 3D printing, 3DEO combines cutting-edge manufacturing with multi-disciplinary engineering and product development expertise.
Our patented and award-winning technology has revolutionized how customers approach design, enabling high-volume production with unmatched quality, precision, and cost efficiency. Holding roughly 20 patents, 3DEO is more than a manufacturer we are a trusted partner in solving complex challenges and unlocking the full potential of AM.
At 3DEO, we collaborate closely with customers in industries such as medical, industrial, aerospace, and semiconductors, delivering end-to-end solutions that include RD, design, engineering, prototyping, production, and beyond.
Since our founding in 2016, our greatest strength has been our team. At 3DEO, innovation is approached as a team. Together, we tackle the toughest product development challenges, helping our customers bring visionary ideas to life. Join our passionate and collaborative team at 3DEO, where were transforming whats possible in metal additive manufacturing and making what hasnt been made before.
Job Summary:
The Senior Mechanical Engineer is responsible for designing and integrating custom industrial machines from concept through deployment. This hands-on role supports the development of next-generation powder-metal 3D printers built on a CNC platform, requiring deep experience with motion systems, electromechanical assemblies, and machine-level integration. The ideal candidate has built machinesnot just modeled componentsand is fluent in sourcing, assembly, and system-level mechanical design.
Essential Functions:
● Redesign and upgrade existing 3D printing systems, replacing prototype components with production-grade machined parts to support long-term scalability and manufacturing readiness.
● Specify, select, and integrate motion control systems including stepper motors, extended motion axes, recoating mechanisms, spindles, and linear guides.
● Modify and expand build chamber designs, including sealing and controlled access systems to enable inert gas environments.
● Incorporate cosmetic design elements as provided by external industrial design partners.
● Develop and implement new mechanical processes, technical solutions, and machine features to support ongoing hardware development initiatives.
● Collaborate closely with electrical, software, and controls engineers to ensure complete system integration.
● Lead prototype builds, mechanical testing, debugging, and iterative design improvements.
● Support design transfer to manufacturing and provide production support for deployed systems.
● Maintain complete design documentation including BOMs, mechanical drawings, and revision histories.
Required Qualifications:
● Proficiency with SolidWorks or similar CAD software, including assemblies, tolerancing, and CNC-ready design
● Strong understanding of motion components, linear guides, actuation, and mechanical fasteners
● Proven ability to build and integrate electromechanical systems in a lab or production environment
● Hands-on experience sourcing components
● Effective collaboration with cross-functional teams in a fast-paced RD setting
Preferred Qualifications:
● Experience designing sealed systems, gas enclosures, or powder-handling equipment
● Field installation, debug, or customer training experience
Education and Experience:
● Bachelors degree in Mechanical Engineering or a related field required
● Minimum of 6 years of experience in mechanical design, machine development, or automation
● Masters degree preferred but not required
Physical Requirements and Work Environment:
● Regularly works in an engineering lab and machine build environment
● Must be able to sit, stand, and perform hands-on work at machines and workbenches
● Occasionally required to lift and move up to 50 pounds
#SPCareers
- A leading aerospace manufacturer in Hawthorne, CA, seeks a Sr. Mechanical Design Engineer to develop groundbreaking spacecraft components. The role requires at least 5 years of experience in mechanical design and strong collaborative skills. As part of the Propulsion Components...Senior
- ...Job Description Job Description Description As a Mechanical Engineer at Impulse for our Vehicle Engineering Team, you will own all aspects of the design, analysis, build, test and integration of flight hardware – working with cross-functional engineering teams to...SeniorPermanent employmentFull time
- ...Job Description Job Description Description As a Senior Mechanical Engineer for our Electric Propulsion Team at Impulse, you will own the full life cycle of mechanical design for our high-efficiency Hall thrusters and their vehicle interfaces. You will develop...SeniorPermanent employmentFull time
- SpaceX is seeking a Mechanical Engineer for the Flight Termination System team in Hawthorne, California. This role involves designing explosive devices, ensuring hardware reliability through testing, and collaborating with cross-disciplinary teams. The ideal candidate holds...Senior
$120k - $150k
...Job Description Job Description Senior Mechanical Engineer Do you want to be part of an organization on the cutting edge of technology? We're looking for talented people to join our motivated and friendly team. We have an open, collaborative, and flexible...SeniorWork at officeLocal areaFlexible hours$130k - $180k
SPACE EXPLORATION TECHNOLOGIES CORP, based in Hawthorne, CA, is seeking a Sr. Mechanical Engineer for its ambitious Starship project. In this role, you will design and build vital flight hardware, collaborating with cross-functional teams to ensure innovative and practical...Senior- ...Job Description Job Description Description As a Senior Mechanical Engineer at Impulse for our Avionics Team, you are responsible for the design, build, test/analysis & integration of your hardware - working with cross-functional engineering teams to accomplish...SeniorPermanent employmentFull time
- ...Senior Mechanical Engineer Los Angeles, CA Area – Relocation Assistance Provided The Company Our client is a rapidly growing startup that is on a mission to change the world by solving global water scarcity. They bring together an impressive background...SeniorRelocation package
$130k - $180k
SpaceX is seeking a Senior Mechanical Engineer for the Starship project in Hawthorne, California. The role involves designing and building flight hardware such as propellant tanks and primary structures. Candidates should have a Bachelor's degree in Engineering and at...Senior- An established technology-driven organization is seeking a skilled Mechanical Engineer to lead the development of complex mechanical products. This role involves full lifecycle responsibilities from design to installation, requiring expertise in structural analysis and...Senior
$150k - $190k
...Angeles, Washington D.C., San Francisco, San Diego, Seattle, and London. The Opportunity CHAOS is looking for a Senior Mechanical Engineer to serve as a technical authority for the design, integration, and qualification of electronic hardware and enclosures for...Senior- A leading technology firm in California is seeking an experienced Mechanical Engineer to focus on the design and development of antenna systems. Responsibilities include hands-on design, mentoring junior engineers, and preparing manufacturing documentation. The ideal candidate...Senior
- Verustruct in Torrance, CA is seeking a Lead Mechanical Designer to spearhead the mechanical design of their innovative robotic construction technology. The role involves designing mechanical subsystems capable of transforming construction processes, collaborating with...Senior
$160k - $210k
...Senior Mechanical Engineer Torrance, California, United States Neros is a defense technology company rebuilding America's drone industrial base. We design and manufacture high-performance unmanned systems that are tested in combat, iterated at startup speed, and...SeniorWork experience placement- ...About the job Senior Mechanical Design Engineer About Castelion Castelion is bringing a new approach to defense development and production: one that focuses on short, iterative design cycles, rapid testing in development, and modern commercial manufacturing...SeniorPermanent employment
$165k - $215k
...Job Description Job Description Lead Stress Engineer - Build and Scale Structural Analysis for Advanced Composite Systems Hawthorne... ...optimization and material selection Design and implement mechanical testing strategies across coupons, subcomponents, and full...Senior$140k - $180k
...SENIOR MECHANICAL ENGINEER Mesh Optical Technologies was founded on the belief that optical photons will be at the center of advanced technologies in the coming century. Making advanced technology ubiquitous means building at scale, and that's exactly what we're...SeniorRelocation packageFlexible hoursWeekend work- ...Senior Mechanical Design Engineer Critical Energy is an innovative, early-stage, venture-backed cleantech company on a mission to accelerate the global energy transition through abundant, low-cost clean energy. Founded by an ex-SpaceX engineer, Critical Energy designs...SeniorImmediate startFlexible hours
- Lead mechanical design for Verustruct’s next generation of construction robots — from wall-supported formwork systems and locomotion... ...platform. Working closely with controls, materials, structural engineering, and manufacturing, you’ll take complex hardware subsystems...Senior
$135k - $190k
SPACE EXPLORATION TECHNOLOGIES CORP is seeking a Sr. Mechanical Engineer (HVAC) in Hawthorne, CA. In this role, you will design and activate advanced manufacturing facilities, focusing on fluid systems such as HVAC, compressed air, and piping. You will collaborate with...Senior$117k - $146k
...As a Senior Technical Validator here at Honeywell, you will support technical validation activities for engines, power systems and mechanical controls systems for Aero and UAM aircrafts. Your responsibilities will include the review of drawings for manufacturability,...SeniorPermanent employmentTemporary workWork experience placementWorldwideFlexible hours$117k - $146k
...As a Senior Advanced Mechanical Design Engineer here at Honeywell, you will provide technical expertise and support in the materials and process engineering of cast products. As a Senior Advanced Mechanical Design Engineer here at Honeywell, you will provide technical...SeniorPermanent employmentTemporary workWork experience placementFlexible hours$130k - $180k
SpaceX is seeking a Sr. Mechanical Engineer for its Starship avionics team. You will design advanced instrumentation for high reliability in extreme environments and lead efforts in mechanical design and analysis. Ideal candidates should possess a Bachelor's in relevant...Senior- This position is focused on the mechanical design, development, and manufacturing of stationary and mobile antenna systems and related... ...integrated product team under the direction of a lead Mechanical Engineer and Program Manager Perform hands-on design and analysis, and...SeniorImmediate start
- ...Senior Mechanical Engineer Torrance, CA What We're Building The marine industry supports recreation, global commerce, and national defense. And yet it runs on technology that hasn't meaningfully changed in fifty years. Until now. Arc is on a mission to electrify...SeniorFull timeWork at officeRelocation package
$125k - $150k
Menlo Ventures is hiring for a full-time Embedded Systems Engineer at our Torrance, California location. The ideal candidate will possess 5+ years experience in embedded systems or vehicle electrical integration. Responsibilities include fault isolation, end-to-end debugging...SeniorFull time- ThinKom Solutions in Hawthorne, California is seeking a Mechanical Engineer focused on designing and developing antenna systems. You will work in various capacities within integrated product teams, leading or advising on engineering efforts. The ideal candidate will have...Senior
$140k - $200k
Voiceflow is looking for a Senior Systems Engineer based in Hawthorne, CA. This role involves mechanical design and optimization of clean energy systems, collaborating with various engineering teams. Candidates should possess a Bachelor's degree in mechanical engineering...Senior- ...Senior Mechanical Engineer (Avionics) As a Senior Mechanical Engineer at Impulse for our Avionics Team, you are responsible for the design, build, test/analysis & integration of your hardware - working with cross-functional engineering teams to accomplish this. This...SeniorPermanent employmentFull time
$130k - $180k
SPACE EXPLORATION TECHNOLOGIES CORP is seeking a Sr. Mechanical Integration & Test Engineer to manage integration and testing for satellite systems. Ideal candidates will possess a Bachelor's degree in engineering, along with 5+ years of relevant experience. Responsibilities...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Mechanical Engineer. Be the first to apply!
- senior automation controls engineer Torrance, CA
- senior brand designer Torrance, CA
- senior business analyst contract Torrance, CA
- senior digital account manager Torrance, CA
- senior specialist Torrance, CA
- senior account executive Torrance, CA
- senior database analyst Torrance, CA
- legal senior counsel family office Torrance, CA
- senior aws cloud engineer Torrance, CA
- senior financial analyst remote Torrance, CA


