Demo

Mechanical Engineer, P.E.

Williams Plumbing / Williams Civil Construction
Belgrade, MT Full Time
POSTED ON 10/22/2026
AVAILABLE BEFORE 12/16/2026
*Williams does not offer H-1B sponsorship for this role. This is a full-time onsite position based at our office in Belgrade, Montana. Remote work is not available for this role.*

At Williams Plumbing, we take pride in delivering high-quality mechanical and electrical solutions that support the communities we live and work in. We are seeking an experienced Mechanical Engineer to oversee the design and implementation of building projects, including preparing schematics, estimating costs, and writing specifications, while ensuring compliance with engineering standards and codes. This role will serve as a project manager, coordinate contractor activities, and contribute to the development of engineering standards and practices within the MEP discipline.

About Williams

Williams is the Northwest’s largest plumbing contractor. From hospitals to restaurants to high-end custom homes, we’re building Montana into the future. Our team is led by the most experienced plumbers in the industry. We have the largest apprentice program in the state. We have the manpower to take on the most exciting and ambitious projects. Plumbing is the foundation of our company and we take pride in training and retaining the best plumbers this side of the Rocky Mountains.

Located in beautiful Belgrade, Montana, outdoor adventures surround us. There’s no better place to live than Big Sky Country. Together, we build and play in Montana.

What You'll Do

  • MEP System Design and Documentation: Prepare, review, and coordinate detailed MEP schematics and drawings for residential and commercial projects, ensuring compliance with applicable codes, industry standards, and client requirements.
  • Project Management: Assume the role of project manager for engineering projects within the Mechanical, Electrical, and Plumbing (MEP) discipline, overseeing the project team, milestones, budgets, and resource allocation.
  • Development and Implementation of Standards: Develop and implement engineering standards and procedures across the department, fostering consistency and efficiency in project execution.
  • Research and Innovation: Stay abreast of emerging engineering technologies and practices, researching and implementing improvements to enhance project outcomes and efficiency.
  • Contribution to Team Efforts: Collaborate with multidisciplinary teams by contributing expertise to achieve project goals, supporting colleagues, and undertaking related tasks as necessary.
  • Continuous Improvement: Proactively identify areas for improvement in engineering processes, practices, and project execution, driving continuous improvement initiatives to enhance overall performance and client satisfaction.
  • Duties, responsibilities, and activities may change at any time with or without notice.

What You Bring

  • Minimum of a Bachelor's Degree in Mechanical Engineering
  • 4 years of experience designing HVAC, Plumbing, & Hydronic Systems for Large, Custom Residential or Commercial Projects
  • Registered Professional Engineer in the State of Montana required
  • Experience as a Project Manager preferred
  • Familiarity with International Mechanical Code, ASHRAE & All Relevant HVAC Codes & Standards
  • Familiarity with Uniform Plumbing Code, ASPE Standards, & All relevant Plumbing Codes & Standards
  • Team oriented individual that excels in a flexible and changing environment
  • Software Experience Preferred: Autodesk Revit, Autodesk Navisworks, Heating/Cooling Load Calculation Software, Bluebeam Revu, and Microsoft Excel

Benefits & Perks

At Williams, we take care of our team with competitive benefits, growth opportunities, and a culture that values work-life balance. Here’s what you can expect:

  • Competitive Wage
  • Comprehensive Health Coverage
  • Medical Insurance: Choose from 3 affordable plans (including HSA and FSA options)
  • HSA Employer Contribution: $600 for individuals, $1,200 for families (HDHP HSA plan)
  • Telemedicine
  • Dental & Vision Insurance
  • Financial & Retirement Support
  • 401(k) Employer Match: Up to 8% (based on company profitability)
  • Company-Paid Life Insurance
  • Voluntary Accident, Short-Term, and Long-Term Disability Insurance
  • Time Off & Work-Life Balance
  • Paid Time Off (PTO)
  • 6 Paid Holidays
  • Employee Assistance Program (EAP): Confidential support for mental health, financial planning, legal guidance, and more
  • Growth & Development
  • Williams Academy: In-person training, 60 online courses, and ongoing professional development
  • Referral Bonuses: Get rewarded for bringing great people on board
  • Extra Perks & Fun
  • Pet Insurance
  • Company Events: Archery Tournament, Golf Tournament & more!
  • Perks include discounted gym memberships and savings on dog daycare and boarding
  • Live & Work in the "Last Best Place": Enjoy the beauty and adventure of Montana!

Join a team that values teamwork, individual responsibility, and commitment success while making sure you have the support and perks to thrive!

Salary.com Estimation for Mechanical Engineer, P.E. in Belgrade, MT
$85,990 to $104,327
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