Senior Mechanical Process Engineer

Position: Senior Mechanical Process Engineer - Mining 
Job status: Exempt-salaried
Location: Boise, ID
(Relocation assistance provided)

Lead complex mining, industrial, and process engineering projects while deepening your impact as a trusted project manager for mining clients.

 

THE ROLE

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. These responsibilities include:

• 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.

 

TOTAL REWARDS

As an employee-owned firm, we offer a total rewards package designed to support your health, growth, and long-term financial success—while ensuring you share in the value you help create.

• $115,000 to $165,000 base pay (Compensation for this role is based on experience, qualifications, and geographic location) 
• Annual bonuses because your contributions matter
• 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 for the things you love to do
• Paid parental leave and volunteer time off
• Six paid company holidays
• Two floating personal holidays for events that are important in your life
• 401(k) matching program
• AD&D Insurance, Short/Long Term Disability, and Life Insurance paid by the company
• Flexible work schedule arrangements

Our longstanding and trusted engineering legacy has helped ensure safety, security, and growth for our employee-owners. Our people-first culture and collaborative team are what drive our success as a top 500 engineering firm and have earned us a spot on Zweig's list of “Best Places to Work.” Join our Industrial Group as a Senior Process Leader and be part of a legacy that builds better futures.

 

 

 “As employee-owners, we don’t just work here, we grow here. Together, we take on challenging projects, support one another, and create opportunities to thrive. Our culture empowers every team member to find success—professionally and financially—while building something greater than themselves.” – Arian Bloomfield, President/CEO 

 

YOUR STRENGTHS

• Professional Engineer (PE) license required, or ability to obtain licensure within a defined timeframe
• Project Management Professional (PMP) certification is a plus, but not required
• 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.

 

Deepen your career in industrial engineering leadership with a team that values employee-ownership, technical excellence, and long-term growth.