Senior Piping Stress Design Engineer (PCS)

The role

You will own the design, analysis, and integration of high-temperature, high-pressure piping systems within the Power Conversion System. This includes piping connecting turbomachinery, heat exchangers, and other major components of a closed Brayton cycle.

What you will do

• Own the design, layout, and mechanical integration of PCS piping systems.
• Perform piping stress and structural analyses under various loading conditions.
• Evaluate piping loads on connected equipment.
• Develop detailed piping designs, engineering calculations, specifications, drawings, and documentation.
• Work with thermal, mechanical, structural, and systems engineers to optimize configuration.
• Support hardware procurement, fabrication, assembly, testing, and troubleshooting.

Required qualifications

• Bachelor's degree in Mechanical Engineering or a related engineering discipline.
• 5+ years of relevant experience for Senior level.
• Experience designing high-temperature and/or high-pressure piping systems for industrial or power generation applications.
• Proficiency in piping stress analysis, including thermal expansion, support reactions, and equipment nozzle loads.
• Familiarity with piping design codes such as ASME B31.3 or B31.1.
• Experience developing and reviewing piping layouts, P&IDs, engineering drawings, and fabrication documentation.

Nice to have

• Experience in Nuclear, Power Generation, Oil & Gas, Aerospace, or other high-performance thermal-fluid systems.
• Proficiency with piping stress analysis tools such as CAESAR II, AutoPIPE, or equivalent, and familiarity with FEA tools.
• Experience with piping vibration, pulsation, acoustic loading, water hammer, and fatigue assessment.
• Experience designing pipe supports, flexible connections, expansion joints, and high-temperature piping interfaces.
• Familiarity with ASME BPVC requirements, including Section III, and applicable nuclear quality standards.
• Hands-on experience supporting fabrication, installation, commissioning, and troubleshooting of complex piping systems.
• Experience working in a fast-paced hardware development environment.

Before you apply

• Applicant must be a U.S. citizen or national, a U.S. lawful, permanent resident, Refugee, or Asylee, or be eligible to obtain required authorizations from the U.S. Department of State.

About the company

Antares is building mass-producible, inherently safe, deployable microreactors to make clean energy abundant. The team includes members from SpaceX, the White House, the Pentagon, and various national laboratories.