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Senior Mechanical HVAC Engineer

Job in Knoxville, Knox County, Tennessee, 37902, USA
Listing for: Salas O'Brien
Full Time position
Listed on 2026-07-18
Job specializations:
  • Engineering
    HVAC Tech / Heating Engineer, Mechanical Engineer, Building Services Engineer, Environmental Engineer
Salary/Wage Range or Industry Benchmark: 180000 - 230000 USD Yearly USD 180000.00 230000.00 YEAR
Job Description & How to Apply Below

Senior Mechanical HVAC Engineer

Senior Mechanical HVAC Engineer – Aiken, SC or Knoxville, TN

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.

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, nuclear sciences 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.

Tech Source, a Salas O'Brien Company, is hiring a full-time Senior HVAC Engineer to serve as the technical subject matter expert to identify candidates and work scope for future business growth. Conduct construction document reviews and work on large-scale projects from planning to execution phases supporting Department of Energy (DOE) facilities.

Identify candidates and work scope for large HVAC projects at two Department of Energy facilities. Provide HVAC technical direction to engineers. Plan, organize, and coordinate process/engineering team/design projects from inception to project startup.

Bachelor's degree in mechanical engineering. 7 or more years of HVAC engineering experience in nuclear facilities, including project management experience. US citizenship is required. Working knowledge of federal (including DOE Orders), state, and local codes and standards applicable to HVAC design and systems.

Active DOE Q or Top Secret security clearance. DOE/NNSA work experience or knowledge.

Hybrid work arrangement in Aiken, SC or Knoxville, TN, depending on your location.

The expected base salary range for this role is $180,000- $230,000 USD per year. Actual compensation will be determined based on a number of factors including skills, experience, qualifications, and location.

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.

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, color, 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.

Position Requirements
10+ Years work experience
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