Senior Process Mechanical Engineer, Power

AtkinsRéalis is hiring a Senior Process Mechanical Engineer for its Power engineering team. The role supports design and engineering execution for new and existing simple-cycle and combined-cycle power generation facilities, including leading project mechanical teams and coordinating with clients, vendors, and multidisciplinary partners.

Responsibilities:

• Perform mechanical engineering design for combined cycle and simple cycle power generation systems, including equipment sizing, system modeling, and development of P&IDs
• Lead and direct the mechanical engineering team assigned to a project to deliver high‑quality power project designs while ensuring effective coordination, technical accuracy, and schedule requirements
• Collaborate closely with multi‑discipline engineering teams, clients, and external 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 (ASME B31.1, ASME BPVC, NFPA, HEI, API, etc.)
• Provide occasional field engineering support, including site visits, inspections, testing oversight, and construction support

Requirements:

• Bachelor's degree in mechanical or chemical engineering or related discipline from an ABET‑accredited program
• Minimum of 10 years of engineering experience, preferably in power generation or industrial facilities
• Experience in engineering design services and project execution within the energy sector
• Experience preparing and checking P&IDs, equipment specifications, and mechanical design deliverables
• Experience or desire to work with design tools such as AFT Fathom, AFT Arrow, GT Pro, Steam Pro, and Thermoflex
• Strong understanding of thermodynamics, heat transfer, and fluid flow with specific experience in combined cycle plant performance, HRSG systems, steam turbine cycles, and gas turbine auxiliary systems
• Ability to clearly communicate complex technical concepts to colleagues, suppliers, and clients
• Flexibility to manage workload across multiple projects while upholding safety and quality standards
• Proficiency in pipe sizing, flow calculations, and modelling of compressible/incompressible systems
• Familiarity with piping materials, valves, control valves, and relief valve design
• Commitment to mentoring, team collaboration, and maintaining strong professional relationships
• Professional Engineer (PE) license preferred