Antares Nuclear
Mechanical Design Engineer II - Reactivity Controls
$115K–$185K
Los Angeles · Full-time · Posted Aug 27, 2026
- Experience
- 3+ years required; preferred section also lists 1+ years of full-cycle design engineering experience.
- Education
- Bachelor's degree in engineering; master's degree preferred.
- Visa sponsorship
- Applicants must be a U.S. citizen or national, lawful permanent resident, refugee, or asylee, or eligible to obtain required U.S. Department of State authorizations.
About the job
Leads the design, development, testing, and validation of mechanical reactor reactivity-control systems and their interfaces with electrical and software subsystems.
What you'll do
- Design, build, and test reactor control mechanisms, hardware, and assemblies, including custom actuation solutions.
- Define requirements, system architecture, and verification and validation plans; collaborate across engineering disciplines.
- Perform mechanism trade studies, design-for-manufacturability assessments, and vendor evaluations; document and present recommendations.
What they ask for
- Bachelor's degree in engineering.
- 3+ years of full-cycle design engineering experience, including hands-on CAD, analysis, build, and test.
- Experience with kinematic synthesis, pneumatic/hydraulic actuation, mechatronics, and instrumentation.
- Experience with FMEA, including structural strength, stability, and fatigue failure modes.
Nice to have
- Experience in the Nuclear, Aerospace, or Robotics industries.
- Experience with NX, ANSYS or Femap, product lifecycle software, Python, or MATLAB.
Pay
$115,000 - $150,000 (base salary); $115K – $185K (compensation; type not specified)
Tools
CAD, NX, ANSYS, Femap, Python, MATLAB
Model-written summary · the original posting is authoritative