Senior Mechanical Engineer, Hydropower

McMillen; Boise (ID); On-site; USD 106,000 - 150,000; Full time

Job summary

McMillen, Inc. is seeking a Senior Mechanical Engineer specializing in hydropower with over 12 years of experience. The role involves design, operation, and maintenance of power generation facilities, requiring strong leadership and communication skills. The ideal candidate will oversee projects, ensuring quality and efficiency while collaborating with multidisciplinary teams. A competitive compensation package includes a salary range of $106,000 to $150,000, along with comprehensive benefits.

Benefits

Medical Insurance

Dental Insurance

Vision Insurance

401(k) and match

Generous PTO

Wellness reimbursement

Qualifications

• Minimum 12+ years of experience in design, operation, and maintenance of power generation facilities.
• Experience in hydropower design and turbomachinery projects.

Responsibilities

• Provide oversight and quality assurance support during hydro projects.
• On-site coordination and observation of construction activities.
• Daily reporting and cost tracking.

Skills

Communication

Team Leadership

Education

Master's degree

PE License

Job description

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Senior Mechanical Engineer, Hydropower

McMillen, Inc. is looking for a Senior Mechanical Engineer, Hydropower with 12+ years of experience in design, operation and maintenance of power generation facilities, with significant experience in hydropower design preferred. Experience in design for turbomachinery projects, including feasibility studies and concept development, hydraulic turbines, large pumps, valves, and controls design, testing and commissioning is desired. Must have experience in preparing reports, final design drawings, specifications and engineers cost estimates for a wide range of equipment.

The ideal candidate will have familiarity with greenfield and/or brownfield hydropower or and pump stations or similar systems including working or specialized technical knowledge penstocks, centrifugal and mixed flow pumps; Francis, Pelton and Kaplan type hydraulic turbines; pumping systems, programmable logic controllers and associated control/instrumentation systems. Additional experience and understanding of induction motors; synchronous and induction generators; automatic voltage regulation and excitation equipment for synchronous generators; and AC / DC station service systems is preferred.

Other systems including large gates, valves, fish facilities, and water conveyance projects is a plus.

Must have experience with feasibility studies, concept development and design in water supply and treatment systems. Design experience with surface water intakes pump stations, and yard piping and/or transmission pipelines preferred. Experience with, hydropower facilities, controls design, and/or fish passage facilities is also beneficial. Must have experience in preparing final design drawings and specifications and engineers cost estimates for a wide range of project conditions.

Responsibilities:

• Provide oversight and quality assurance support in during the execution of hydro related projects
• On-site coordination, communication and observation of construction and commissioning activities
• Daily reporting, quantity and cost tracking, and progress assessments
• Interact with multidiscipline team members
• Project travel is typically 10% – 20%
• Attend project meetings
  
  
  

Qualification:

• Minimum Experience of 12+ years
• PE License
• Master's degree (preferred)
• Candidates must have excellent written and oral communication skills.
• Ability to thrive in a team environment, effectively lead project teams, work independently, and demonstrate strong self-motivation.
  
  
  

Compensation Package:

• Pay Range: $106,000 – $150,000 (DOE)
• Benefits: McMillen provides a full Benefits Program comprising medical, dental, vision, life, disability, FSA, EAP, 401(k) and match, 9 paid holidays, generous PTO, opportunity for stock ownership, and wellness reimbursement.
  
  
  

Who we are: McMillen, Inc. designs and builds solutions that shape the future of water resources. As an employee-owned firm, we take pride in every project because we know our work truly matters. Our people thrive on solving complex challenges, pushing boundaries, and refining their craft. We don’t look for the complacent or the comfortable. We seek problem solvers, innovators, and experts who are always striving to be better. We support continuous learning, cutting-edge technology, and a balanced work-life environment so our employees can build careers they’re proud of.

We are focused in the dams, energy, fisheries, natural resources, and infrastructure markets. With staff across the United States, Canada, Europe, and beyond, we bring global best practices to our clients. Our people integrate engineering, environmental, and construction expertise to deliver practical, results-driven outcomes. From concept to completion, projects are guided through feasibility studies, permitting, design, construction, and commissioning, ensuring technical precision and real-world functionality.

EEO: McMillen, Inc. is an EEO/Affirmative Action Employer and will make all employment related decisions without race, color, religion, sex, national origin, disability or protected veteran status.

Visa sponsorship, including renewal during employment, will not be provided for this position.

No recruiters, please.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering and Information Technology

• Industries

  Civil Engineering

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