Lead Sodium Pump Engineer — Nuclear Reactor Systems

Zap Energy; Everett (WA); On-site; USD 150,000 - 210,000; Full time

Job summary

Zap Energy in Everett, WA is seeking a Sodium Pump Lead to advance the ZMR program. You will own the design of primary and intermediate sodium pumps, perform first principles calculations and CFD/FEA, and develop pump performance envelopes used in safety analyses.

The role requires extensive ASME BPVC and BPVC Section III experience, plus strong collaboration with suppliers, regulators, and cross-functional teams. A PE license is preferred and export authorization may be required.

Qualifications

• ABET-accredited engineering degree required.
• 8+ years in turbo machinery and complex systems (nuclear/industrial).
• Proficient with ASME BPVC and ANSYS; BPVC Section III knowledge a plus.
• Strong written and regulatory communication skills.
• PE license preferred.

Responsibilities

• Own the design of primary and intermediate sodium pumps.
• Perform first principles calculations and CFD/FEA when necessary.
• Develop the pump performance envelope used by plant analysts for safety analyses.
• Design, build, and commission liquid metal test loops and pump tests.
• Collaborate with suppliers on fabrication, inspection, and testing.
• Produce design documentation and V&V evidence for regulatory engagement.
• Write sodium-handling procedures and contribute to hazard analyses.
• Maintain quality within a graded QA program; NQA-1 knowledge is a plus.

Skills

Turbo machinery design

ASME Codes & Standards

Python programming

CFD analysis

NQA-1 knowledge

Education

ABET-accredited engineering degree

Tools

ANSYS

Python

Job description

Zap Energy in Everett, WA is seeking a Sodium Pump Lead to advance the ZMR program. You will own the design of primary and intermediate sodium pumps, perform first principles calculations and CFD/FEA, and develop pump performance envelopes used in safety analyses.

The role requires extensive ASME BPVC and BPVC Section III experience, plus strong collaboration with suppliers, regulators, and cross-functional teams. A PE license is preferred and export authorization may be required.