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Mechanical Engineer​/Designer

Job in Tysons, Fairfax County, Virginia, USA
Listing for: Salas O’Brien, Inc.
Full Time position
Listed on 2026-01-28
Job specializations:
  • Engineering
    Mechanical Engineer, Engineering Design & Technologists
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

Tysons, VA
1934 Old Gallows Rd
Suite 400
Tysons, VA 22182, USA

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.

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.

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.

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.

Job Summary

The Mechanical Engineer/Designer serves to design HVAC systems for buildings such as multi-family, data centers, commercial interiors, retail/mixed-use spaces, and institutional.

General Duties
  • Design Heating, Ventilating & Air Conditioning Systems for various types of facilities
  • Produce mechanical design drawings in AutoCAD and/or Revit software
  • Perform field investigations
  • Coordinate quality control, scheduling, and programming
  • Coordinate and communicate information and progress with all three disciplines (mechanical, electrical and plumbing)
Qualifications and Experience
  • Educational Background: Bachelor's or Master's degree in an Engineering field.
  • Experience: 5+ years of experience in HVAC design and construction
Skills
  • Technical

    Skills:

    • solid understanding of duct design, piping design, air handlers, heat pump, and boiler systems
    • experience with performing load calculations, equipment selection and design, wet and dry side system design
    • knowledge of IBC, IMC and IECC codes, DDC controls, HAP or Energy Pro
  • Adaptability: Flexibility and willingness to work on various projects and tasks, embracing new challenges with enthusiasm.
  • Initiative: Demonstrated ability to work independently and take initiative to drive projects forward.
Travel

minimal

Compensation and Benefits

This role is 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
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.

Preferred Qualifications

Bachelors or better in Engineering.

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