Jobs in the United States

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Added 2 hours ago
Commissioning Field Engineer / Project Engineer
FST Technical Services
Boise, ID
Basic understanding of HVAC controls and building automation systems
Added 4 hours ago
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Associate Energy Engineer
Siemens
Cincinnati, OH
- $62,290 to $106,783 USD / year
…perform site surveys to identify mechanical, electrical, and controls systems to determine facility operational…
Added 4 hours ago
FC
HVAC and Plumbing Quality Control Engineer (Engineer II)
Fairfax County
Fairfax, VA
- $33.73 to $59.02 USD / hour
…repair, maintenance, and replacement of complex commercial building HVAC and plumbing equipment for a portfolio of over 250 critical commercial buildings comprising of over 12 million gross…
Added 6 hours ago
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Electrical Engineer
GPAC
Arlington, TX
- $130,000 to $180,000 USD / year
We are seeking an experienced Senior Electrical Engineer with strong HVAC and building systems experience to lead the electrical design and engineering of complex commercial, industrial,…
Added 6 hours ago
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Electrical Engineer
GPAC
Dallas, TX
- $130,000 to $180,000 USD / year
We are seeking an experienced Senior Electrical Engineer with strong HVAC and building systems experience to lead the electrical design and engineering of complex commercial, industrial,…
Added 6 hours ago
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Electrical Engineer
GPAC
Benbrook, TX
- $130,000 to $180,000 USD / year
We are seeking an experienced Senior Electrical Engineer with strong HVAC and building systems experience to lead the electrical design and engineering of complex commercial, industrial,…
Added 6 hours ago
G
Electrical Engineer
GPAC
Fort Worth, TX
- $130,000 to $180,000 USD / year
We are seeking an experienced Senior Electrical Engineer with strong HVAC and building systems experience to lead the electrical design and engineering of complex commercial, industrial,…
Added 6 hours ago
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Electrical Engineer
GPAC
Saginaw, TX
- $130,000 to $180,000 USD / year
We are seeking an experienced Senior Electrical Engineer with strong HVAC and building systems experience to lead the electrical design and engineering of complex commercial, industrial,…
Added 6 hours ago
G
Electrical Engineer
GPAC
Fort Worth, TX
- $130,000 to $180,000 USD / year
We are seeking an experienced Senior Electrical Engineer with strong HVAC and building systems experience to lead the electrical design and engineering of complex commercial, industrial,…
Added 6 hours ago
G
Electrical Engineer
GPAC
Euless, TX
- $130,000 to $180,000 USD / year
We are seeking an experienced Senior Electrical Engineer with strong HVAC and building systems experience to lead the electrical design and engineering of complex commercial, industrial,…
Added 6 hours ago
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Electrical Engineer
GPAC
Dallas, TX
- $130,000 to $180,000 USD / year
We are seeking an experienced Senior Electrical Engineer with strong HVAC and building systems experience to lead the electrical design and engineering of complex commercial, industrial,…
Added 8 hours ago
Account Manager - Commercial HVAC
EMCOR Group
Reno, NV
We are a full-service HVAC, building automation, chiller, and retrofit contractor with a reputation for combining high-quality consulting services with customized energy solutions. Our…
Added 8 hours ago
Data Center Controls Engineer, Boling, TX
Amazon
Boling, TX
As part of the AWS Controls Team, you will work with highly motivated experts and innovators in the data center industry. You will be responsible for innovating, deploying, optimizing, and…
Added 8 hours ago
Data Center Controls Engineer, Boling, TX
Amazon
Wharton, TX
As part of the AWS Controls Team, you will work with highly motivated experts and innovators in the data center industry. You will be responsible for innovating, deploying, optimizing, and…
Added 10 hours ago
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Senior Electrical Engineer / HVAC
GPAC
Arlington, TX
- $130,000 to $200,000 USD / year
We are seeking an experienced Senior Electrical Engineer with strong HVAC and building systems experience to lead the electrical design and engineering of complex commercial, industrial,…
Added 10 hours ago
G
Senior Electrical Engineer / HVAC
GPAC
Fort Worth, TX
- $130,000 to $200,000 USD / year
We are seeking an experienced Senior Electrical Engineer with strong HVAC and building systems experience to lead the electrical design and engineering of complex commercial, industrial,…
Added 10 hours ago
G
Senior Electrical Engineer / HVAC
GPAC
Euless, TX
- $130,000 to $200,000 USD / year
We are seeking an experienced Senior Electrical Engineer with strong HVAC and building systems experience to lead the electrical design and engineering of complex commercial, industrial,…
Added 10 hours ago
G
Senior Electrical Engineer / HVAC
GPAC
Mansfield, TX
- $130,000 to $200,000 USD / year
We are seeking an experienced Senior Electrical Engineer with strong HVAC and building systems experience to lead the electrical design and engineering of complex commercial, industrial,…
Added 10 hours ago
G
Senior Electrical Engineer / HVAC
GPAC
Dallas, TX
- $130,000 to $200,000 USD / year
We are seeking an experienced Senior Electrical Engineer with strong HVAC and building systems experience to lead the electrical design and engineering of complex commercial, industrial,…
Added 10 hours ago
G
Senior Electrical Engineer / HVAC
GPAC
Forest Hill, TX
- $130,000 to $200,000 USD / year
We are seeking an experienced Senior Electrical Engineer with strong HVAC and building systems experience to lead the electrical design and engineering of complex commercial, industrial,…
Added 10 hours ago
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Senior Electrical Engineer / HVAC
GPAC
Crowley, TX
- $130,000 to $200,000 USD / year
We are seeking an experienced Senior Electrical Engineer with strong HVAC and building systems experience to lead the electrical design and engineering of complex commercial, industrial,…
Added 10 hours ago
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Senior Electrical Engineer / HVAC
GPAC
Colleyville, TX
- $130,000 to $200,000 USD / year
We are seeking an experienced Senior Electrical Engineer with strong HVAC and building systems experience to lead the electrical design and engineering of complex commercial, industrial,…
Added 10 hours ago
G
Senior Electrical Engineer / HVAC
GPAC
DeSoto, TX
- $130,000 to $200,000 USD / year
We are seeking an experienced Senior Electrical Engineer with strong HVAC and building systems experience to lead the electrical design and engineering of complex commercial, industrial,…
Added 10 hours ago
G
Senior Electrical Engineer / HVAC
GPAC
Carrollton, TX
- $130,000 to $200,000 USD / year
We are seeking an experienced Senior Electrical Engineer with strong HVAC and building systems experience to lead the electrical design and engineering of complex commercial, industrial,…
Added 10 hours ago
G
Senior Electrical Engineer / HVAC
GPAC
Euless, TX
- $130,000 to $200,000 USD / year
We are seeking an experienced Senior Electrical Engineer with strong HVAC and building systems experience to lead the electrical design and engineering of complex commercial, industrial,…

GPAC

Senior HVAC Mechanical Engineer

Saint Louis, MO, United States

$120,000 to $150,000 USD / year

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Job details

Pay: $120,000 to $150,000 USD / year
Apply by: Jan 14, 2027
Experience: 10+ years of HVAC facilities design experience (healthcare, higher education, lab, or commercial)
Posting language: English
Posted: Oct 16, 2026

Original job description

Are you a seasoned HVAC Mechanical Engineer who wants to design systems and then watch your own team build them? A well-established mechanical contractor in the St. Louis area is adding a Senior Mechanical Engineer to its in-house engineering group. You'll work side by side with estimating, preconstruction, and field teams on design build and design assist projects, so your designs go from concept to installed and running.

What We Offer:

Base salary up to $150K, depending on experience
401(k) with profit sharing
Health and life insurance, plus a strong wellness program
Generous paid time off
Annual training budget and support for industry involvement
Stable company with a long track record and steady backlog
Collaborative team culture where engineering and construction work hand in hand

Key Responsibilities:

Lead HVAC design for design build and design assist projects, both air side and water side
Set design criteria, define system requirements, and select equipment
Run load and energy calculations (Trane TRACE, Carrier HAP, or similar)
Develop controls sequences of operation
Design specialty systems such as lab exhausts, medical gas, and process piping when projects call for it
Partner with estimating and preconstruction on proposals and pricing
Meet with owners, architects, and facility teams to present technical solutions
Review and approve shop drawings and coordinate with other trades
Uphold CAD/BIM standards and support code and safety compliance

Qualifications:

10+ years of HVAC facilities design experience (healthcare, higher education, lab, or commercial)
Bachelor's in Mechanical Engineering or equivalent technical background
PE license preferred, not required
Strong knowledge of building codes
Proficiency in Revit and AutoCAD
Able to manage several projects at once
Estimating or construction experience is a plus

Work arrangement: Full time, in office in the St. Louis area.

Related Titles: Senior Mechanical Engineer, HVAC Engineer, Mechanical Design Engineer, HVAC Design Engineer, Design Build Engineer, MEP Engineer, Mechanical P.E., Professional Engineer, Senior Mechanical Designer, HVAC Project Engineer, Building Systems Engineer

Interested? Send your resume to anna.boyd@gogpac.com for more information on this or any other positions you may be interested in.

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