Mechanical Process Engineer
US$115,000 – US$165,000 / yr base salary
Posted 14 Oct 2026
Advertised as “Senior Mechanical Process Engineer”
BranchFactor Summary
The original posting with the fluff stripped out
- Management level
- People management
| Base salary | US$115,000 – US$165,000 / yr |
|---|
CertificationsProfessional Engineer
CertificationsProject Management Professional
Field of studyCivil Engineering, Mechanical Engineering, Mining Engineering, Petroleum Engineering (or related)
Study levelBachelor's
ENGINEERS | SURVEYORS | PLANNERS | SCIENTISTS
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.
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