McMillen, Inc.
  • Engineering / Environmental
  • Boise, ID, USA
  • 110000-155000 per year
  • Salary
  • Full Time

Full Benefits Program consisting of Medical, Dental, Vision, Life, Disability, FSA, EAP, 401(k) and Match, 9 Paid Holidays, generous PTO, stock program, and Wellness Reimbursement

Design a career and build your future... Because it matters!

McMillen is currently seeking a Senior Mechanical Engineer with 12+ years of experience in design, operation and maintenance and project management of power generation facilities, with significant experience in hydropower design preferred. Experience in design, project management 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 system 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.

This full-time position is available in the western United States, including Hawaii or Alaska.


  • 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 as needed
  • Attend project meetings


  • Minimum Experience of 12+ years
  • PE License
  • Bachelor's Degree in Mechanical Engineering, or Master's degree (preferred)
  • 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.
  • Candidates must have excellent written and oral communication skills.
  • Must have a flexible schedule, be willing to travel 10% to 20% on average, and be flexible with quick response time in order to compensate for the customer's changing needs in multiple states and provinces.
  • Must be able to be, work team environment, effectively leading project work teams, work independently and be self-motivated.

Who We Are:

McMillen, Inc. (McMillen) is an engineering, environmental, and construction firm providing scalable, multi-disciplinary capabilities. We are a design and build firm providing clients with balanced perspective and realistic solutions. With experts in the United States, Canada, Australia, and France, our staff bring best practices from the water resources, energy, dams, infrastructure, fisheries, aquaculture, and restricted access markets.

We balance technical precision with collaborative delivery throughout all project phases. We have the resources and expertise to contribute to a project at the feasibility and planning stage, navigate the regulatory and permitting requirements, develop detailed designs, self-perform construction, and participate in startup, testing, and commissioning. We offer strategic planning, technical expertise, comprehensive project management, and integration of multi-disciplinary studies for traditional and alternative project delivery methods.

We want our employees to make a career doing what they love to do. We aren't looking for the complacent or the comfortable. We are looking for the highly technical, the creators, the manic obsessives, the outliers who know being the best is a journey, not a finish line. We support our employees' efforts to stay on the cutting edge of technology while fostering a great work-life balance.

Benefits: McMillen provides a full Benefits Program consisting of Medical, Dental, Vision, Life, Disability, FSA, EAP, 401(k) and match, 9 Paid Holidays, generous PTO, opportunity for Stock Ownership and Wellness Reimbursement

EEO: McMillen is an EEO/Affirmative Action Employer and will make all employment related decisions without regard to 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.

McMillen, Inc.
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