HVAC Commissioning / Startup Project Engineer – National Accounts

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Overview

Custom Mechanical Solutions delivers energy-efficient HVAC systems across the Pacific Northwest, with deep expertise in healthcare, education, data centers, and retrofit projects.

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OtherTrades & Skilled LaborHvacHvac Commissioning

Custom Mechanical Solutions delivers energy-efficient HVAC systems across the Pacific Northwest, with deep expertise in healthcare, education, data centers, and retrofit projects. We work with top manufacturers to meet performance and sustainability goals—always focused on quality, care, and progress.

If you're ready to grow your career, we’re glad you found us. At CMS, you’ll join a team that supports your development and gives you space to make an impact.  We review every application carefully and appreciate your interest in growing your career with our team.

(Early Career | Project Engineer | Senior Project Engineer)

CMS is seeking a Project Engineer or Senior Project Engineer to support the startup and commissioning of HVAC systems for national account projects. In this role, you’ll coordinate technicians, contractors, customers, and manufacturers to ensure systems are installed, started, and operating as intended.

Projects are large, fast-paced, and span multiple locations nationwide. You’ll take ownership of execution—resolving real-world challenges related to equipment, scheduling, procurement, and cost impacts—while keeping projects on track from startup through completion.

This is a strong opportunity for mechanically inclined, field-oriented professionals who enjoy solving problems and coordinating complex projects.

  • 2+ years of HVAC service, controls, installation, or mechanical experience
  • Supports commissioning activities, project coordination, and documentation
  • Assists with tracking cost impacts and gathering inputs for change orders; escalates as needed
  • 3–6 years of relevant HVAC or commissioning experience
  • Coordinates field activities, contractors, and customer communication
  • Evaluates scope and cost impacts; prepares and submits change orders with supporting documentation
  • Tracks and follows up to ensure timely approval
  • 7+ years of HVAC or field engineering experience
  • Leads projects and serves as primary point of contact for customers and stakeholders
  • Owns project financials, including review and approval of change orders
  • Drives timely execution, approval, and collection of change orders while maintaining project scope, schedule, and performance
  • Mentors junior team members

 

 

 

Responsibilities

~1 min read
  • Execute startup and commissioning plans across national account projects
  • Verify installation and system performance to company, manufacturer, and customer standards
  • Coordinate technicians, contractors, and factory teams
  • Troubleshoot HVAC equipment and control systems
  • Manage service providers during startup and warranty phases
  • Track progress, communicate updates, and resolve issues
  • Identify scope changes and manage associated cost impacts
  • Ensure change orders are accurate, well-documented, and submitted in a timely manner without impacting jobsite requirements
  • Provide customer training and support
  • Promote job site safety

Requirements

~1 min read
  • Strong understanding of HVAC systems and controls
  • Ability to read mechanical drawings and schematics
  • Effective communication, organization, and problem-solving skills
  • Experience coordinating field teams or third-party providers
  • Ability to manage multiple projects in a fast-paced environment
  • Proficiency in Microsoft Office
  • Valid driver’s license; ability to lift up to 50 lbs
  • Up to ~30% overnight travel
  • Ability to support extended on-site project visits

What We Offer

~1 min read

CMS’s National Accounts team offers clear paths to increased responsibility in project ownership, financial management, and technical leadership.

Select roles may be eligible for variable compensation aligned with project performance, including successful execution and collection of change orders and overall financial outcomes.

What We Offer

~1 min read
Lead large, multi-site HVAC projects
Work directly with manufacturers and field teams
Solve complex, real-world challenges
Grow within a rapidly expanding national team

Listing Details

Posted
March 20, 2026
First seen
March 26, 2026
Last seen
April 22, 2026

Posting Health

Days active
27
Repost count
0
Trust Level
30%
Scored at
April 22, 2026

Signal breakdown

freshnesssource trustcontent trustemployer trust
Custom Mechanical Solutions
Employees
30
Founded
2007
Domain
cmswa.com
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Custom Mechanical SolutionsHVAC Commissioning / Startup Project Engineer – National Accounts