Senior Mechanical Design Engineer - Reactivity Controls

Antares

$145K — $185K *
Aerospace & Defense
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in engineering
  • 5+ years in full-cycle design engineering roles with hands-on CAD experience
  • Expertise in kinematic synthesis and pneumatic/hydraulic actuation
  • Knowledge of FMEA, including strength and fatigue failure modes
  • Master's degree in engineering (preferred)
  • 7+ years of experience in demanding design environments (preferred)
  • Familiarity with nuclear, aerospace, or robotics industries (preferred)

Responsibilities

  • Design, build, and test control mechanisms and hardware for the reactor
  • Conceptualize and develop custom actuation solutions
  • Define system architecture and verification/validation test plans
  • Collaborate with thermal, structural, and control teams
  • Engineer components for extreme conditions using advanced materials
  • Conduct DFM assessments and perform risk trade-offs
  • Document mechanism trade studies and present findings to leadership

Benefits

  • Access to a brand new, modern facility in Torrance, CA
  • Opportunity for collaboration in a vibrant tech ecosystem
  • Proximity to major freeways for ease of commuting
Full Job Description
About the Role

As the Responsible Engineer for Reactivity Controls - Mechanical, you will lead
the design, development, testing, and validation of the mechanical systems that
govern reactor reactivity and ensure the safe operation of the reactor. You will
architect and build the mechanical mechanisms that interface with electrical and
software subsystems, collaborating closely across disciplines to define system
architecture, requirements, and documentation.

The ideal candidate has a strong track record in designing and developing
precision control mechanisms, preferably with experience in robotics or
electromechanical systems. You will also contribute to system-level architecture
trade studies and support the evaluation and selection of key vendors.

Roles and Responsibilities:
  • Design, build, and test the reactor's control mechanisms, hardware, and
    assemblies
  • Concept and develop custom actuation solutions, including mechanisms,
    linkages, interfaces, and instrumentation
  • Define design criteria, requirements, system architecture, and
    verification/validation test plans
  • Collaborate closely with cross-functional teams across thermal, structural,
    neutronics, controls, and simulation disciplines
  • Engineer components for high-temperature, high-stress, and radiation
    environments using metals, ceramics, and other advanced materials
  • Perform design-for-manufacturability (DFM) assessments and execute
    tradeoffs across performance, cost, schedule, and risk
  • Conduct mechanism trade studies, document findings, and present
    recommendations to senior leadership

Basic Qualifications:
  • Bachelor's degree in engineering
  • 5+ years of experience in full-cycle design engineering roles
    encompassing hands-on experience with CAD, analysis, build and test
  • Experience with kinematic synthesis, pneumatic/hydraulic actuation,
    mechatronics and instrumentation
  • Experience with FMEA including structure strength, stability, and fatigue
    failure modes

Preferred Skills & Experience:
  • Master's degree in engineering
  • 7+ years of experience in full-cycle design engineering roles,
    encompassing hands-on experience with CAD, analysis, build, and test
  • Experience in the Nuclear, Aerospace, or Robotics industries
  • Experience in a demanding fast-paced development environment
  • Experience with design engineering tools such as NX, ANSYS or Femap, and
    other product lifecycle software
  • Experience with engineering scripting languages such as Python and
    MATLAB

Additional Requirements:
  • Ability to work long hours and weekends as necessary to support critical milestones

Location
  • We are located in Torrance, CA in a 145,000 square foot, brand new facility featuring large open spaces for team collaboration, R&D, and production, as well as easy access to the 405, 105, and 110 freeways. Our facility is in the heart of Los Angeles' vibrant emerging tech ecosystem alongside many other high growth startups and enterprises.

Salary Range
  • Senior Mechanical Design Engineer - $145,000 - $185,000

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