Commissioning Engineer

Commissioning Engineer

About Vertical Mechanical Group (VMG)

Vertical Mechanical Group (VMG) is a leading mechanical contractor specializing in commercial HVAC, Plumbing, Piping, Controls, and Mechanical Construction. Originally formed through Anderson Mechanical Services, Inc. and Inspiration Plumbing Company, VMG brings decades of industry experience together with a forward-thinking approach to delivering high-quality mechanical solutions.

As we continue to grow, we are looking for a detail-oriented and technically strong Commissioning Engineer to join our Commissioning team. Reporting to the Commissioning Manager, this role plays a critical part in ensuring VMG's mechanical and plumbing systems are properly installed, tested, documented, and fully operational before final third-party commissioning.

This position is ideal for someone with a strong understanding of HVAC, plumbing, controls, and system operations who enjoys troubleshooting complex systems and collaborating with project teams to ensure successful project delivery.

What You'll Do

Support the Commissioning Process

Support commissioning activities for commercial HVAC, plumbing, controls, and mechanical systems

Verify systems and equipment are installed and operating according to project drawings, specifications, approved submittals, and sequences of operation

Prepare systems for testing and verification prior to third-party Commissioning Agent inspections

Coordinate functional performance testing and other commissioning activities

Track commissioning progress, outstanding items, deficiencies, and corrective actions

Support projects throughout startup, testing, commissioning, and final acceptance

Test & Verify System Performance

Perform and coordinate equipment startup, testing, and system verification activities

Review system operation to confirm equipment performs according to design requirements

Assist with functional testing of HVAC, plumbing, mechanical, and control systems

Evaluate system performance and identify operational or installation deficiencies

Verify equipment settings, sequences, alarms, safeties, and control functionality

Utilize diagnostic tools and testing equipment to evaluate system performance

Troubleshoot & Resolve Issues

Identify commissioning deficiencies and work with project teams to determine appropriate corrective actions

Troubleshoot mechanical, plumbing, and control system performance issues

Review sequences of operation and verify systems are functioning as intended

Coordinate with Project Managers, field teams, Controls Technicians, subcontractors, vendors, and equipment manufacturers to resolve issues

Track deficiencies through completion and verify corrective work

Help identify potential system issues before formal third-party commissioning

Coordinate Across Project Teams

Work closely with Project Managers, Superintendents, field personnel, Controls teams, and other project stakeholders

Coordinate directly with third-party Commissioning Agents throughout the commissioning process

Participate in commissioning meetings, project coordination meetings, and system reviews

Communicate testing requirements, deficiencies, and project status clearly to internal and external teams

Coordinate with other contractors and trades when system performance depends on multiple scopes of work

Support successful turnover from construction through final commissioning and owner acceptance

Manage Commissioning Documentation

Review mechanical drawings, specifications, submittals, sequences of operation, and control documentation

Maintain accurate commissioning logs, testing records, deficiency lists, and project documentation

Document equipment startup and functional testing results

Assist with commissioning reports and closeout documentation

Track required documentation and ensure commissioning deliverables are completed on schedule

What You Bring

Bachelor's degree in Mechanical Engineering, HVAC, Construction Management, or a related field

4+ years of experience with MEP systems commissioning, testing, startup, controls, or a related field

Strong understanding of commercial HVAC and plumbing systems

Understanding of Building Automation Systems (BAS), HVAC controls, and sequences of operation

Experience with system startup, testing, troubleshooting, and performance verification

Ability to read and interpret mechanical drawings, specifications, submittals, and technical documentation

Strong understanding of system operations and controls

Familiarity with diagnostic tools and testing equipment

Strong analytical and problem-solving skills

Excellent organization, documentation, and communication skills

Ability to manage multiple projects, priorities, and deadlines

Ability to travel to project locations throughout the DMV region as required

Preferred Experience

Commissioning certification such as BCxP, CxA, CxT, CCP, or similar

Experience commissioning large-scale commercial mechanical systems

Experience with Building Automation Systems (BAS) and controls

Experience with functional performance testing and equipment startup

Familiarity with hydronic systems, pumps, air-handling equipment, central plants, and related commercial HVAC equipment

Experience coordinating directly with third-party Commissioning Agents

Previous experience working for a commercial mechanical contractor

What We Offer

Competitive compensation based on experience

Medical, dental, and vision insurance

401(k) with company match

Paid time off and company holidays

Ongoing technical training and professional development opportunities

Opportunities for continued career advancement

Exposure to complex commercial mechanical and building systems

The opportunity to work alongside experienced Project Management, Controls, Commissioning, and field teams

A collaborative, team-oriented environment where your technical expertise makes an impact

Why VMG?

At VMG, commissioning is an important part of delivering the quality and performance our customers expect. Our Commissioning team works across projects to ensure complex mechanical systems aren't simply installed, but are tested, verified, and operating as designed before final turnover.

As a Commissioning Engineer, you'll have the opportunity to work directly with Project Managers, field teams, Controls professionals, third-party Commissioning Agents, and other project partners while developing deep technical expertise across a variety of commercial building systems.

If you're a technically minded professional who enjoys troubleshooting systems, solving problems, and ensuring complex mechanical equipment performs as intended, we'd like to hear from you.

Apply today and continue building your career with VMG.

VMG is an Equal Opportunity Employer.