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Mid-Level Mechanical Engineer

Salas O'Brien
Irving, TX Full Time
POSTED ON 12/3/2025
AVAILABLE BEFORE 2/3/2026

Mid-Level Mechanical Engineer

At Salas O’Brien we tell our clients that we’re engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects. That’s why we’re committed to living our values every day: inspiring, achieving, and connecting as shared owners of our success with a focus on a sustainable future. 

 

Job Summary

The Mid-Level Mechanical Engineer serves to focus on the design of mechanical systems for new facilities, additions, and renovation projects. This will require providing technical leadership for the creation of construction drawings and specifications, existing system studies and master planning efforts.  Qualified candidates will meet with clients, project teams, code officials, contractors, and others to address mechanical issues to develop effective working relationships.  The project clientele includes K-12 Education, Higher Education, Commercial, Health Care, Science and Technology, municipal and institutional facilities. 

 

General Duties

  • Develop HVAC system designs of a given project based on scope of work and/or client RFPs
  • Provide engineering design, evaluation, and planning of mechanical systems for a variety of market types
  • Perform Load/Energy calculations with software such as Trace 700, IES and similar programs
  • Conduct existing building surveys and documentation of existing HVAC systems
  • Develop system design calculations and selection of equipment for use in buildings
  • Write/edit project specifications
  • Prepare detailed design documents, reports, and studies
  • Code compliance research
  • Provide construction administration services
  • Perform QA/QC of design work
  • Oversee and provide guidance to junior engineers
  • Lead project teams and serve as the primary contact for clients
  • Assist in the procurement of new work; including the development of client relations and participation in project interview

 

Skills

  • Knowledge in the design of HVAC systems
  • Proficiency in Revit, Auto CAD and MS Office
  • Understanding of codes, standards, and design guidelines
  • Good communication skills, combined with organizational skills, the ability to plan, balance and prioritize work
  • Possess excellent work ethic and attitude
  • Ability to travel



Qualifications

  • You have a minimum 6 years mechanical design experience
  • You have a bachelor’s degree in Mechanical Engineering
  • Professional Engineer (PE) license, a plus
  • LEED certification / experience, a plus

     

    Location: Irving, TX
    Travel: Yes
    #LI-Hybrid

    This role is also eligible for performance-based bonuses, and a comprehensive U.S. based benefits package, including:

    • Medical, dental, and vision insurance
    • 401(k) with company match
    • Paid time off and company holidays
    • Wellness programs and employee assistance resources
    • Professional development support


    For more information, visit our full benefits overview here.


    About Us:

    Founded in 1975, Salas O’Brien is an employee-owned engineering and professional services firm focused on achieving impact for our clients, our team, and the world. We know that tomorrow’s requirements are today’s opportunities, and we are here to design lasting solutions for pressing challenges.

    We work across a variety of industries providing integrated engineering and consulting services. Our specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more.

    Building for the long-term means that all of our team members can expect to work on amazing projects with a people-first approach to problem solving. It also means that each member of our team has truly limitless potential to build a unique, meaningful, and high-impact career—and they’ll receive great total rewards along the way.

    Our technical expertise is paired with an exceptional team of business development, human resources, finance and accounting, information technology, and marketing professionals, all of whom play a key role in bringing our commitments to life every day.

    Third-Party Agency Notice
    Salas O’Brien does not accept unsolicited resumes from external recruiters or agencies. We only work with approved partners engaged directly by our Talent Acquisition team for specific searches. Unsolicited submissions will not be eligible for placement fees.

     

    Equal Opportunity Employment Statement
    Salas O’Brien provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, colour, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state/provincial, or local laws. Salas O’Brien will accommodate the disability-related needs of applicants as required by law.

     

    Salary.com Estimation for Mid-Level Mechanical Engineer in Irving, TX
    $110,527 to $132,412
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