Hybrid Power Plant Process Mechanical Engineer

AtkinsRealis USA Inc.; Bothell (WA); Hybrid; USD 95,000 - 130,000; Full time

Benefits offered by this job

Medical benefits

401(k) matching

Paid time off

Job summary

AtkinsRéalis is seeking a Process Mechanical Engineer with power experience for simple cycle and combined cycle plants in Bothell, WA, offering hybrid or remote work. You will design mechanical systems, model performance, and develop P&IDs while coordinating with multi-discipline teams and clients to deliver high‑quality solutions.

The role requires a Bachelor’s in mechanical or chemical engineering (ABET‑accredited) and 5+ years in power or industrial facilities, with strong skills in

Qualifications

• Bachelor’s degree in mechanical or chemical engineering from an ABET-accredited program.
• Professional Engineer (PE) license preferred.
• Minimum of 5 years of engineering experience in power generation or industrial facilities.
• Experience in pipe sizing, flow calculations, and modeling of compressible/incompressible systems.
• Experience preparing P&IDs, equipment specifications, and mechanical design deliverables.
• Familiarity with piping materials, valves, control valves, and relief valve design is a plus.

Responsibilities

• Perform mechanical design for combined cycle and simple cycle power generation systems, including equipment sizing, system modeling, and development of P&IDs.
• Collaborate with multi‑discipline teams, clients, and partners to ensure project technical success.
• Prepare calculations, schematics, technical documentation, and design deliverables with clear assumptions and references.
• Develop equipment specifications for pumps, heat exchangers, pressure vessels, compressors, boilers, cooling systems, and balance‑of‑plant components.
• Support proposal development, cost estimation, and project execution planning as needed.
• Coordinate with equipment vendors, review submittals, and respond to technical inquiries.
• Maintain a strong commitment to quality assurance, safety, and compliance with applicable codes and standards.

Skills

Pipe sizing

Flow calculations

P&IDs

Equipment specifications

Thermodynamics

Heat transfer

Fluid dynamics

AutoCAD

SmartPlant 3D

AFT Fathom

AFT Arrow

GT Pro

Steam Pro

Thermoflex

Education

ABET-accredited degree in mechanical or chemical engineering

Tools

AutoCAD

SmartPlant 3D

AFT Fathom

AFT Arrow

GT Pro

Steam Pro

Thermoflex

Job description

AtkinsRéalis is seeking a Process Mechanical Engineer with power experience for simple cycle and combined cycle plants in Bothell, WA, offering hybrid or remote work. You will design mechanical systems, model performance, and develop P&IDs while coordinating with multi-discipline teams and clients to deliver high‑quality solutions.

The role requires a Bachelor’s in mechanical or chemical engineering (ABET‑accredited) and 5+ years in power or industrial facilities, with strong skills in