Senior Mechanical Process Engineer

Morrison-Maierle•Boise, ID
•$115,000 - $165,000•Onsite

About The Position

Morrison-Maierle is a 100% employee-owned firm specializing in integrated consulting and design services in engineering, planning, surveying, and science. As a trusted partner to our clients, we deliver reliable, high-quality results, grounded in a deep understanding of local context and regional needs. The Senior Mechanical Process Engineer will be responsible for consulting with clients on process optimization needs and designing process improvements as they relate to mining, industrial water treatment, and oil and gas projects. The ideal person will have a depth of technical process engineering experience and project leadership.

Requirements

  • Professional Engineer (PE) license required, or ability to obtain licensure within a defined timeframe
  • Bachelor’s degree in civil, mechanical, mining, or petroleum engineering or equivalent ABET-accredited engineering program.
  • Progressive experience in mechanical process engineering in mining, oil and gas, water, or wastewater design projects with demonstrated growth in technical and leadership responsibility.
  • Advanced working knowledge of mechanical process engineering principles and calculations.
  • Proven ability to manage scope, schedule, budget, and risk across multiple concurrent projects.
  • Experience coordinating multidisciplinary teams and working with clients, contractors, and regulatory agencies.
  • Demonstrated success in delivering projects on time, within budget, and with strong quality outcomes.
  • Excellent written and verbal communication skills for client presentations, technical reporting, and team coordination.
  • Strong problem-solving skills, sound engineering judgment, and ability to make informed decisions under pressure.
  • Client‑service mindset and ability to build, maintain, and grow long-term client relationships.
  • Interest in practice development, innovation, and continuous improvement.
  • Valid driver’s license and insurable record for periodic travel.

Nice To Haves

  • Project Management Professional (PMP) certification is a plus, but not required

Responsibilities

  • Consult with the client on process optimization needs and understand the client's vision.
  • Design processes for throughput, sizing mechanical equipment, and piped systems.
  • Lead project teams to see the successful completion of the project.
  • Manage, mentor, and lead direct report staff.
  • Create new process flow diagrams, block diagrams, piping and instrumentation diagrams, and sizing specific equipment for the project.
  • Draft technical specification sections, equipment lists, and procurement support documents for the projects.
  • Develop capital and operating expense estimates.
  • Manage projects in accordance with Morrison-Maierle standards and client expectations.
  • Establish, maintain, and enhance client relationships.
  • Support business development activities for the Industrial Market sector.
  • Direct CAD personnel on drawing development.
  • Advise clients on best practices for infrastructure development and operations.

Benefits

  • Relocation assistance provided
  • Annual bonuses
  • Ownership through our Employee Stock Ownership Plan (ESOP); 100% company-paid ownership contributions
  • 90% company paid shared health plan premiums
  • Paid time off in year one
  • Paid parental leave
  • Volunteer time off
  • Six paid company holidays
  • Two floating personal holidays
  • 401(k) matching program
  • AD&D Insurance, Short/Long Term Disability, and Life Insurance paid by the company
  • Flexible work schedule arrangements
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