Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Mechanical Engineer (Testing)

Percy Towers

Job Description

Job Description

Senior Mechanical Engineer – Test (Space Hardware)

We are seeking a Senior Mechanical Engineer – Test to build and own the test and qualification infrastructure for next-generation hardware.

This is a zero-to-one role —you will define how hardware is tested, validated, and certified for flight.

Day-to-Day:

  • Own the end-to-end test and qualification pipeline (requirements → setup → execution → analysis → certification)
  • Design and build custom test systems : fixtures, jigs, racks, and integrated setups
  • Develop and execute test plans across dynamic environments (load, vibration, shock, deployment, drop)
  • Build and manage data acquisition systems (DAQ) and analyze results using Python, MATLAB, or LabVIEW
  • Define instrumentation strategies (strain gauges, load cells, sensors) and integrate them into test systems
  • Partner with design and manufacturing teams to ensure tests reflect real-world conditions
  • Establish internal test standards and processes for flight qualification

Ideal Fit:

  • 4–15 years of experience in mechanical test engineering for high-reliability hardware (aerospace, automotive, defense, etc.)
  • Proven experience building test systems from scratch (not just executing tests)
  • Strong experience with DAQ systems and test data analysis
  • Hands-on experience with instrumentation and sensors
  • Experience owning test campaigns end-to-end
  • Comfortable working in a fast-paced, highly hands-on environment

Nice to Have:

  • Aerospace or spacecraft testing experience
  • Familiarity with qualification standards (NASA or similar)

Tech Stack:

Python • MATLAB • LabVIEW • DAQ Systems • Sensors/Instrumentation

Vacancy posted 29 days ago
Similar jobs that could be interesting for youBased on the Senior Mechanical Engineer (Testing) in Los Angeles, CA vacancy
  •  ...Specifically, you will: Execute the mechanical design of the most advanced polymer AM...  ...on Earth, from initial concept through testing and deployment. Eliminate expensive,...  ...Qualifications ~ BS in Mechanical Engineering or equivalent. ~3+ years of experience... 
    Senior
    Contract work

    ELASTIUM

    Los Angeles, CA
    3 days ago
  • $165k - $195k

     ...Mechanical Design Engineer Apex is seeking a skilled Mechanical Design Engineer to join our satellite engineering team. In this role, you will...  ...). Participate in the assembly, integration, and testing (AIT) process of satellite hardware. Perform environmental... 
    Senior
    Full time
    Work at office

    Apex Space

    Los Angeles, CA
    1 day ago
  • $140k - $175k

     ...fundamentally different class of spacecraft. Engineered to survive the harshest radiation...  ...The Role You will own the success of mechanical structures and mechanisms used for a propulsion...  ...mechanical design, development, build, test, and analysis of the satellite’s plasma... 
    Senior
    Permanent employment
    Full time
    Shift work

    K2 Space Corporation

    Los Angeles, CA
    11 hours ago
  •  ...Partners, and Embedded Ventures. Role Summary As a Senior Opto-Mechanical Engineer, Photonics, you will work across our full product line, from...  ...with Electrical Engineering and Software Engineering to test, validate, and iterate on designs, specifically supporting... 
    Senior
    Full time
    Work at office
    Local area
    Remote work
    Flexible hours
    3 days per week

    Observable Space

    Los Angeles, CA
    11 hours ago
  •  ...Senior Systems Engineer Critical Energy is an innovative, early-stage, venture-backed cleantech company...  ...Senior Systems Engineer with experience in mechanical design and fluid dynamics to support the design, development, testing, and optimization of clean energy power... 
    Senior
    Immediate start
    Flexible hours

    Critical Energy Services Inc

    Hawthorne, CA
    2 days ago
  •  ...into an effective precipitation enhancement solution. The Engineering team at Rainmaker works on our UAS, dispersion payload, and in...  ...scenarios and endurance requirements Contribute to wind tunnel testing and experimental data analysis to validate CFD predictions... 
    Senior
    Remote work

    Rainmaker Technology Corporation

    El Segundo, CA
    10 days ago
  • $100k - $140k

     ...Summary: This position is focused on the mechanical design, development, and manufacturing...  ...In some cases, will be lead mechanical engineer on a team, while in others, will be in a...  ...manufacturing documentation such as test procedures and assembly instructions... 
    Senior
    Casual work
    Immediate start

    ThinKom Solutions

    Hawthorne, CA
    27 days ago
  •  ...Are you passionate about mechanical design and committed to crafting...  ...? Join our team of dedicated engineers who take pride in delivering...  ...Position Overview: The Senior Mechanical Engineer plays a crucial...  ...in prototype development, testing, and validation, providing feedback... 
    Senior
    Full time

    Essel

    Downey, CA
    more than 2 months ago
  • $120k - $220k

     ...structures for stratospheric aircraft Own mechanical subsystems from concept to flight...  ...studies, and rapid iteration Build, test, break, and refine flight hardware Support...  ..., materials, and first-principles engineering ~ Experience with lightweight structures... 
    Senior
    Work experience placement
    Day shift

    Icarus

    Los Angeles, CA
    11 days ago
  •  ...Job Description About Machina Labs: Engineering moves at software speed. Manufacturing...  ...: Machina Labs is seeking a Senior Mechanical Engineer with robotics hardware experience...  ...lifecycle: concept, design, prototyping, testing, validation, and production readiness... 
    Senior
    Flexible hours

    Machina Labs

    Los Angeles, CA
    23 days ago
  • $158k - $247.28k

     ...development leverages modern software engineering to rapidly deliver safe, factory-built...  ...Founded in 2020, Radiant is on track to test its first reactor at the Idaho National...  ...Radiant is seeking a highly motivated Senior Mechanical Engineer to join the team responsible... 
    Senior
    Full time
    Summer work
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant Industries

    El Segundo, CA
    1 day ago
  • $133.5k - $184.8k

     ...development leverages modern software engineering to rapidly deliver safe, factory-built...  ...Founded in 2020, Radiant is on track to test its first reactor at the Idaho National...  ...Radiant is seeking a highly motivated Senior Mechanical Engineer (Structures) to design and develop... 
    Senior
    Full time
    Summer work
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant Industries

    El Segundo, CA
    1 day ago
  •  ...individuals to join our team. We are looking to add a  Senior Mechanical Engineer   I to our Mechanical Engineering team. If you enjoy working...  ...trades and block diagrams, analysis, manufacturing, testing, qualification, and in-orbit support.  The successful candidate... 
    Senior
    Permanent employment
    Full time
    Contract work
    Work experience placement
    Local area

    CesiumAstro

    El Segundo, CA
    a month ago
  • $109k - $150k

     ...catalyzing the emerging space economy. What You'll Do: The Senior Mechanical Design Engineer will provide guidance for design and prototype builds for...  ...performance. Design and develop prototype assemblies and test mechanisms to validate functionality and operational... 
    Senior
    Permanent employment

    Space Kinetic

    El Segundo, CA
    11 days ago
  • $165k - $215k

     ...Description Job Description Lead Stress Engineer - Build and Scale Structural Analysis...  ...the intersection of simulation, design, testing, and manufacturing. You will define...  ...material selection Design and implement mechanical testing strategies across coupons, subcomponents... 
    Senior

    Approach Venture

    Hawthorne, CA
    3 days ago
  •  ...asymmetric advantage. We are open to Senior or Principal leveling for this role...  ...plasma arc welding. The welding engineer in this role will interface daily...  ...manufacturing  Set up welding qualification test campaigns and interpret mechanical testing and NDE results  Support... 
    Senior
    Weekly pay
    Permanent employment
    Work at office
    Weekend work

    Hermeus

    Los Angeles, CA
    5 days ago
  • $125k - $175k

     ...of enabling human life on Mars. Sr. Mechanical Design Engineer (RAPTOR AVIONICS) The Raptor...  ...responsible for the design, manufacturing and test of all avionics devices installed on...  ...Pay range: Propulsion Engineer/Senior: $125,000.00 - $175,000.00/per year... 
    Senior
    Permanent employment
    Full time
    Temporary work

    Spacex

    Hawthorne, CA
    11 hours ago
  • $158k - $219.45k

     ...development leverages modern software engineering to rapidly deliver safe, factory-built...  ...Founded in 2020, Radiant is on track to test its first reactor at the Idaho National...  ...Radiant is seeking a highly motivated Senior Mechanical Engineer to own critical Kaleidos fluid... 
    Senior
    Full time
    Summer work
    Immediate start
    Remote work
    Flexible hours
    Weekend work

    Radiant Industries

    El Segundo, CA
    14 days ago
  •  ...We are seeking a highly experienced Senior Engineer with 7–15 years of progressive experience...  ...cycle life analysis (fatigue, fracture mechanics, fitness-for-service). Familiar with...  ...(Visual Examination, Liquid Penetrant Testing, Magnetic Particle Testing, Ultrasonic... 
    Senior
    Work at office
    Local area
    Worldwide

    GP Strategies Government Solutions Inc

    Los Angeles, CA
    7 days ago
  • $140k - $175k

     ...fundamentally different class of spacecraft. Engineered to survive the harshest radiation...  ...support performing large-scale qualification testing for our multi-ton spacecraft. You will...  ...Qualifications ~ Bachelor's degree in mechanical, aerospace, or other relevant... 
    Senior
    Permanent employment
    Shift work

    K2 Space

    Los Angeles, CA
    11 days ago
  •  ...UAV platform. This role owns the end-to-end mechanical design of ruggedized, field-deployed hardware...  ...concept through CAD, prototyping, validation testing, and production handoff in a fast-iteration, small-team engineering environment. Key Responsibilities... 
    Senior
    Full time
    Relocation
    Relocation package

    BlackStar

    Los Angeles, CA
    2 days ago
  • $150k - $180k

     ...Category:  Infrastructure; Consulting; Engineering; Project Engineering; Project Management...  ...is currently seeking a highly motivated Senior Traction Power Engineer to join our North...  ...contractors Provide installation, testing and commissioning support to clients... 
    Senior
    Full time
    For contractors
    Local area
    Flexible hours

    Hatch

    Los Angeles, CA
    26 days ago
  • $210k - $230k

     ...ID: 99698  Job Category:  Engineering; Consulting; Infrastructure;...  ...currently seeking a highly motivated Senior Vehicle Electrical Engineer...  ...electrical and electro-mechanical designs, prepare detailed descriptions...  ...trains including functional testing, electrical performance,... 
    Senior
    Permanent employment
    Full time
    Work at office
    Local area
    Immediate start
    Flexible hours

    Hatch

    Los Angeles, CA
    1 day ago
  •  ...Scale-Up ~ Excellent Product-Market Fit ~ Elite Team An exceptional Los Angeles Scale-Up team is looking for a Senior Mechanical Engineer as a key and foundational hire as they look to grow significantly. With a product that is already proving incredibly profitable... 
    Senior

    Oho Group Ltd

    Los Angeles, CA
    18 hours ago
  •  ...critical for achieving zero-emissions. As a Principal Mechanical Design Engineer , you will drive the design and delivery of key...  ...Skills and Experience Experience designing, building, testing and troubleshooting complex mechanical components and systems... 
    Full time

    Hgen

    Los Angeles, CA
    11 hours ago
  • $110k - $120k

     ...Job Title: Senior Automation Engineer Location: Culver City, CA Duration: Fulltime Salary Range: $110,000 - $120,000 a year...  ...Technical/Functional Skills ~ Design, develop and execute test suite, Experience with Bug tracking tools and test... 
    Senior
    Full time

    Diverse Lynx

    Culver City, CA
    1 day ago
  •  ...Job Description The Mechanical Engineer will be responsible for planning, directing, and coordinating all aspects of the design and testing of mechanical equipment in a manufacturing environment. Duties and Responsibilities: Drive a continuous improvement-based... 
    Work at office

    Brightpath Associates LLC

    Pico Rivera, CA
    7 hours ago
  •  ...requirements, schematic design, component selection, layout, bring-up, test, debug and integration. Develop electrical schematics,...  ...power/distribution hardware. Collaborate closely with other engineers to ensure seamless system integration. Requirements ~ BS... 
    Senior

    Elastium

    Los Angeles, CA
    4 days ago
  • $130k - $170k

     ...Senior NPI and Manufacturing Engineer Open Position – Senior NPI and Manufacturing Engineer Horizon Surgical...  ...Develop and maintain assembly and test procedures for robotic, electronic,...  ...-Have ~ Bachelor's degree in Mechanical, Electrical, Manufacturing, or related... 
    Senior

    Horizon Surgical Systems

    Los Angeles, CA
    2 days ago
  • $150k - $175k

     ...operating emissions—modular, fuel-flexible, and engineered for the realities of today's energy...  .... Role Overview We are seeking a Mechanical Design Engineer to lead the design and analysis...  ...Support manufacturing, assembly, and testing efforts to validate designs.... 
    Senior
    Live in
    Flexible hours

    Arbor Energy

    El Segundo, CA
    16 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Mechanical Engineer (Testing). Be the first to apply!