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O’Brien Engineering, Inc.

Senior Mechanical Engineer/ PE with DoD Experience

Posted Yesterday
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In-Office
Dallas, TX
Senior level
In-Office
Dallas, TX
Senior level
Designs mechanical systems and controls for DoD, federal, healthcare, commercial, institutional, and other facilities. Responsibilities include developing concepts and construction documents, designing air- and water-side systems, supervising installations, preparing estimates and specifications, conducting design analyses, attending client meetings, and representing the firm’s mechanical interests. The role also provides DoD design subject matter expertise and requires occasional project-site travel.
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Senior Mechanical Controls Design Engineer/ PE


OEI (O’Brien Engineering & Architecture) is seeking a full-time Senior Mechanical Controls Design Engineer/PE with 10+ years of experience to join our team. The Senior Mechanical Engineer/PE will focus primarily on the design of Department of Defense (DoD) and federal projects, including medical/government facilities, retail/commercial spaces, and institutional facilities, using Revit and AutoCAD software.

This position will collaborate with a multidisciplinary A/E team and work on a variety of projects, including municipal, land development, private, industrial, healthcare, military/defense, and other projects. The successful candidate will provide subject matter expertise in Department of Defense design projects.

Senior Mechanical Controls Design Engineer/PE Responsibilities:

  • Building system concepts and documentation process from schematics through construction administration phases. 
  • Design mechanical systems, air and water side and related controls.
  • Supervise the installation of the designed systems and equipment.
  • Prepare cost estimates, specifications, and design analyses.
  • Attend client meetings and represent the mechanical interests of the firm.
  • Effective written and verbal communication skills, time management required.
  • This role will require occasional travel to project sites.


Senior Mechanical Controls Design Engineer/PE Qualifications:

  • 10+ years of Mechanical design experience required.
  • 6+ years of Department of Defense (DOD) design experience (preferred)
  • Minimum of 5 projects as DOR/EOR. 
  • Proficiency in understanding building codes and standards.
  • Working knowledge of mechanical, electrical, and plumbing codes and standards: UPC, IPC, IMC, NFPA, ASHRAE & IBC.
  • Experience with central plants, hydronic, steam/ VRF and energy recovery systems.
  • Possess general working knowledge of different mechanical systems; stay up to date on industry advancements including best-practices for applicability.
  • Proficiency in Autodesk Revit.
  • Experience with Bluebeam PDF software (preferred).
  • Registered Professional Engineer in the State of Texas (or license in another state with the ability and commitment to obtain Texas license within 12 months.), LEED accreditation (preferred).



Senior Mechanical Controls Design Engineer/PE Benefits: If you believe you have the qualifications and experience and are interested in joining our team, we'd love to hear from you. OEI offers competitive salary and benefits including:

  • Medical, vision, dental
  • Simple IRA with 3% matching,
  • Basic Term Life and Personal Accident Insurance
  • Basic Disability Insurance
  • Adoption Assistance Program
  • Educational Assistance Program
  • 8 Paid Holidays in addition to PTO


Company Description: OEI is a full design services firm with a big company future, and we are looking for motivated and qualified team players to join us on the journey. We were founded nearly 40 years ago in 1987; today, we serve clients throughout the US and its territories serving on federal, healthcare, military, local government, and institutional projects. We’ve had significant success in winning many large federal contracts, providing a work pipeline that extends well into 2035. We also have a well-established, growing municipal, land development and private practice. OEI is honored as the recipient of the National Society of American Military Engineers' Robert Flowers Small Business Award of the 2020. OEI is a Service-Disabled Veteran Owned Small Business (SDVOSB), a Texas HUB, and NCTRCA SBE firm.


OEI's foundations: teamwork, entrepreneurial mindset (taking ownership of the problem and the solution), continuous improvement, competence, ethical behavior
 What makes us unique?
 We offer high expertise in a small package
 We are structured to hear, understand, and solve customer problems
 We have a culture of training and employee development

Are you ready to work in a dynamic, challenging, rewarding environment? Let's talk. See how we can partner together in a way that our best efforts will help build your career and your best efforts will strengthen our company in a way that is measurable, recognized, and appreciated.

O’Brien Engineering & Architecture is an Equal Opportunity Employer, including individuals with disabilities and protected veterans.

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