Senior Mechanical HVAC Engineer

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Aiken, SC Until 9/13/2026 7+ years exp First posted July 15, 2026 Last posted July 15, 2026
Job description

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.


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, 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.


Job Summary:
TechSource, 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.


Responsibilities:
 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.


Qualifications and Experience:
 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.


Preferred Qualifications:
 Active DOE Q or Top Secret security clearance.
 DOE/NNSA work experience or knowledge.

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


Compensation & Benefits:
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.


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.

About this role

Summary

Lead HVAC projects for DOE facilities, providing technical guidance and project management.

Job title

Senior Mechanical HVAC Engineer

Experience level

7+ years

Minimum experience

7+ years exp

Industry

engineering

Location requirements

Hybrid in Aiken, SC or Knoxville, TN; remote optional.

Salary

$180k–$230k

Management role

No

Skills & keywords

Required skills

mechanical engineeringHVACproject managementfederal codesDOE standards

Preferred skills

DOE Q security clearanceDOE/NNSA experience

Specializations

HVACnuclearmechanical
Locations

Structured locations inferred from the posting.

Aiken, SC, USA

Hybrid City

Knoxville, TN, USA

Hybrid City