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Mechanical Engineer - Commissioning

Dewberry

Jackson, MS · Posted August 5, 2026

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About the job

Job Description

Join Our Team as a Mechanical Engineer - Commissioning Agent!

Dewberry's Jackson, MS office is on the hunt for a skilled Mechanical Engineer - Commissioning Agent to enhance our dynamic commissioning department. If you’re ready to deploy your 8+ years of engineering experience and expertise in mechanical systems across a diverse range of exciting projects, we invite you to come aboard and become a vital contributor to our ongoing success!

Over the past three years, our Commissioning Team has experienced a 10X growth in backlog , driving a surge in demand for our unparalleled engineering and commissioning expertise. We specialize in a wide array of markets, including Education, Healthcare, Industrial , and Federal projects , spanning geographies from Louisiana to New York City , and beyond. Our focus on building strong client relationships and enhancing the quality of design and construction makes us a trusted partner in shaping the built environment.

In this crucial technical role, you will provide technical, mechanical, and process management support for the commissioning department on a variety of projects spanning all markets and geographies served by the group. This variety of project types will keep you inspired, engaged, and continuously learning . Your skills will be instrumental in performing design reviews of mechanical and plumbing designs, inspecting building systems, and creating comprehensive testing and closeout documents, all while utilizing cutting-edge software to streamline processes and enhance efficiency. In this role, your performance will be crucial to the continued growth of our commissioning group.

Key Required Skills:

Bachelor’s degree in Mechanical Engineering

Demonstrated experience in commissioning and mechanical systems

Accomplished engineer with 8+ years of experience

Must have knowledge of manipulating, adjusting, setup and testing HVAC controls systems such as JCI, Trane, Automated Logic, Siemens, etc. Knowledge in multiple control systems is a plus

Must have complete working knowledge of HVAC chilled water and DX systems, including design, operation, and testing of: Chillers, Boilers, Cooling towers, pumps, heat exchangers, AHU, RTU, ERU, VAVs, exhaust, FCU, etc.

***Hybrid work available for this position based on experience***

Dewberry is a leading, market-facing professional services firm with more than 60 locations and 2,500 professionals nationwide. What sets us apart from our competitors is our people. At Dewberry, we seek out exceptional talent and strive to deliver the highest quality of services to our clients. Whether you’re an experienced professional or a new graduate, you’ll have the chance to collaborate with the best and brightest and work on innovative and complex projects at the forefront of the industry. Our commitment to excellence stems from our personal integrity and from other defining attributes, which we call “Dewberry at Work,” that have inspired our employees to be successful for more than a half-century.

Responsibilities

Execute commissioning services on a variety of project types.

Actively support and coordinate with the entire commissioning team to execute projects and uphold our commitments.

HVAC sequence of operation knowledge and capable of performing design review of Sequence of operation and creating mechanical system testing procedures, and testing the same in the field

Must have knowledge of manipulating, adjusting, setup and testing HVAC controls systems such as JCI, Trane, Automated Logic, Siemens, etc. Knowledge in multiple control systems is a plus

Must have complete working knowledge of HVAC chilled water and DX systems, including design, operation, and testing of: Chillers, Boilers, Cooling towers, pumps, heat exchangers, AHU, RTU, ERU, VAVs, exhaust, FCU, etc.

Review air and water test and balance process, review a TAB reports, and identify issues.

Visit client facilities and gather necessary data to test mechanical systems

Create system installation and testing documents

Be familiar with OSHA safety requirements and have the ability to identify deficiencies

Be familiar with building codes and have the ability to make intuitive decisions related to such

Read and understand building plans and specifications

Work safely around electrical systems up to 600 volts

Effectively communicate with all clients, construction trades, and design professionals

Have a high aptitude for abstract reasoning, assertiveness, thoroughness, and be very detail-oriented

Work flexible hours and work in hot or cold environments

Climb stairs, ladders, and use lift trucks. Do moderate lifting. Proficient use of Microsoft Word, Excel, Outlook etc.

Travel approximately 50% of the time.

Required Skills & Required Experience

Bachelor’s degree in mechanical engineering

Accomplished engineer with 8+ years of experience

Commissioning experience

Commissioning process certification preferred or ability to acquire within first 6 months

Business development experience a plus

Professional Engineering License a plus or ability to acquire

Self-motivated with highly developed verbal, written and interpersonal skills

Don’t meet every single requirement? At Dewberry we are dedicated to building a diverse and inclusive workplace for our employees. So if you’re excited about this role, but your past experience doesn’t align perfectly with every qualification in the position description, we encourage you to apply anyways. You may just be the right candidate for this or other opportunities.

*At this time, Dewberry will not sponsor a new applicant for work authorization.

*Dewberry is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, or protected veteran status.

*Only recipients of an offer of employment from Dewberry, will be required to submit to a background screening which may include, but is not limited to, employment verification, educational and other credential verification, driving record check, criminal background check, and an investigative consumer report. These screenings will be conducted by Dewberry’s background vendor of choice and will be conducted in compliance with all applicable federal, state, and local law.

Notice to Third Party Recruiters: Dewberry only compensates job placement recruiters that have a valid Dewberry-approved written agreement in place for recruiting services. Dewberry does not compensate third party recruiters for unsolicited job placement candidate information.

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