Mechanical/Plumbing Engineer (Professional Engineer)

O'Brien Engineering, Inc. - Carrollton, TX

Full-timeEstimated: $70,000 - $92,000 a year

Mechanical Engineer:

O'Brien Engineering, Inc. (OEI) is seeking a full-time Mechanical/Plumbing Professional Engineer (MUST be a REGISTERED Professional Engineer) with experience in plumbing and/or HVAC and fire protection systems to join our team. You will work with a multidiscipline A/E team on primarily federal and/or municipal projects. Experience with these federal clients is a plus: VHA, VA, CBP, USACE, and etc.


  • BS or MS degree in Mechanical Engineering
  • 10+ years of experience
  • Registered Professional Engineer in Texas (or ability to obtain one within six months)
  • Plumbing, HVAC and energy modeling, Fire Protection Design
  • AutoCAD experience, must be able to produce examples of past designs/drawings
  • Revit experience
  • Trane Trace experience

What does OEI do and why would you want to be part of our team?

O'Brien Engineering, Inc. (OEI) was founded as a specialty civil engineering firm over 30 years ago. Today, we remain true to our history while we have diversified by growing an MEP Department and have created a diverse mix of A/E projects and equally diverse customer base serving federal (VA, CBP, FEMA, USACE, USDA), municipal, and private entities. Project types include renovations/repairs, studies, analyses, and designs of new and existing facilities. Our team works on developing innovative solutions to horizontal and vertical projects. OEI fosters a collaborative work environment and heavily emphasizes regular training opportunities for our group. If you are looking for variety in your work and an opportunity to work with great co-workers and managers, apply now!

Company summary/benefits summary for each of the positions:

If you believe you have the qualifications and experience and are interested in joining our team, please send your resume, cover letter, and desired salary.

OEI offers competitive salary and benefits including medical and dental, 401K with matching, AD&D, Short-Term Disability, Long-Term Disability, Life Insurance.

Established in 1987 in North Texas, OEI serves clients nationwide and overseas. OEI is a Service Disabled Veteran Owned Small Business, Texas HUB, and TxDOT SBE firm.

Job Type: Full-time


  • Mechanical Engineering: 5 years (Required)
  • Plumbing Engineering: 5 years (Required)


  • Professional Engineer (PE) (Required)