Lead Mechanical Commissioning Engineer On-Site / Traveling | Direct Hire | 75% Travel Structure Resources is seeking a Lead Mechanical Commissioning Engineer for a direct-hire opportunity with our client, an award-winning design-build contractor supporting complex projects nationwide. Our client is looking for an experienced mechanical commissioning professional to lead on-site teams and oversee the installation verification, testing, and performance of mechanical systems. This role works closely with project managers, construction teams, owners, and design engineers to ensure systems meet design specifications and are ready for operation. A Bachelor of Science in Mechanical Engineering, experience developing L2-L5 commissioning scripts, and the ability to travel 75% are required. What They're Looking For Bachelor of Science in Mechanical Engineering (BSME). Strong knowledge of mechanical systems, including HVAC, computer room air conditioning (CRAC) units, air handling units (AHUs), and air-cooled condensing units (ACCUs). Experience developing commissioning scripts for Levels 2-5. Experience verifying installations, conducting functional and performance testing, and documenting results. Ability to lead on-site mechanical commissioning activities, meetings, schedules, and testing. Knowledge of CAD, Bluebeam, and related tools. OSHA 10 certification and completion of required safety certifications. Strong problem-solving, organizational, communication, and documentation skills. Practical understanding of electrical systems and their interaction with mechanical equipment. Ability to work directly on construction sites and travel approximately 75%. Key Responsibilities Lead the on-site mechanical commissioning team and coordinate activities with owners, general contractors, electrical contractors, and other project stakeholders. Plan commissioning schedules and testing activities alongside project managers, design engineers, and construction teams. Verify mechanical installations against drawings, specifications, manufacturer recommendations, and applicable codes and standards. Develop L2-L5 commissioning scripts and perform functional testing of mechanical systems and equipment. Conduct performance testing under normal and peak operating conditions, evaluating factors such as flow, temperature, pressure, vibration, and energy efficiency. Oversee quality assurance, quality control, and commissioning within the assigned scope. Lead daily coordination meetings and prepare daily site reports. Document test procedures, results, deficiencies, corrective actions, and equipment adjustments. Prepare commissioning reports and contribute to the final building report in coordination with electrical commissioning, mechanical commissioning, and fire/life safety teams. Train operations and maintenance personnel on system operation and maintenance. Maintain safety compliance, complete expense reports, and follow company policies. Compensation & Perks Competitive salary. Medical, dental, vision, and life insurance premiums 100% company-paid for employees. Paid vacation and holidays. 401(k) with company match. 30-day paid sabbatical after every 5 years of employment. Stable employment with a growing company. Location This is an on-site role supporting projects at various locations, with approximately 75% travel required . The position requires working in varying weather conditions and restricted areas, wearing required PPE—including a respirator when necessary—and working approximately 8-10 hours per day, 40-50 hours per week. Employment is contingent upon successful completion of required pre-employment screening, including drug and alcohol screening, driving record review, background check, and employment eligibility verification. Employment visa sponsorship is not available now or in the future for this position. Our client is an Equal Opportunity Employer and maintains a smoke-free, drug-free workplace. Interested? Hit "apply" —and a real human will review your application.

Pay:

From $100,000.00 per year

Benefits:

401(k) 401(k) matching Dental insurance Health insurance Life insurance Paid time off Relocation assistance Retirement plan Vision insurance

Work Location:

On the road