Mechanical Engineer, PE

The Opportunity
Tetra Tech is looking for a Mechanical Engineer, PE to join our team in Atlanta, GA.

Why Tetra Tech
At Tetra Tech, we are
Leading with Science
to solve the world's most complex challenges. Our industry-leading experts in engineering and consulting are committed to driving positive change in communities around the world. For over 50 years, we have been at the forefront of innovation and sustainability. Today we stand as a market leader, offering cutting-edge solutions in water, environment, energy, and international development. Our work has improved more than 625 million lives around the world.

Your Impact
Join Tetra Tech to make a real difference. Our work leverages cutting-edge technologies, advanced analytics, and the expertise of world-class scientists and engineers to create meaningful change around the world. Discover your full potential – join us to advance your career while leaving a lasting legacy.

Position Summary
As a Mechanical Engineer, you'll contribute to mechanical systems design for industrial, commercial, wastewater, and water facilities. Your work will span system expansions, total replacements, and new facility construction. This person will work closely with project managers and mechanical leadership to assist with the development of design documents including engineering reports, calculations and analysis, drawings, specifications, and the engineer's opinion of probable construction costs. This person should be able to work independently as well as collaboratively with internal and external clients.

Essential Functions

• Lead mechanical system designs from concept phase through construction with the assistance of an EIT including the development of construction documents.
• Perform HVAC load calculations, energy models, life cycle cost analysis, and ventilation calculations in compliance with applicable codes and energy efficiency standards.
• Size equipment and develop layouts for HVAC (airside and hydronic) and plumbing systems.
• Review and edit construction specifications using MasterSpec for each applicable project.
• Participate in construction administration. Responsibilities include responding to contractor RFIs, reviewing shop drawings, and handling construction submittals. Conduct construction site field observations and prepare punch lists during various stages of construction.

Required Qualifications

• 5 to 10 years in mechanical design, specifically related to design and construction documentation for mechanical, plumbing and performance-based fire protection systems in new and existing facilities.
• Bachelor's degree in mechanical engineering or a related field.
• Professional Engineer (PE) License required.
• Familiarity with building codes, ASHRAE design manuals and guides, and USGBC LEED requirements, specifically for new or existing facilities.

Preferred Qualifications

• REVIT/BIM and AutoCAD experience preferred
• Basic knowledge of building mechanical equipment is desired. Some examples include fans, chillers, cooling towers, air handlers, chilled and hot water loops, boilers, motors, pumps, variable speed drives, direct digital temperature controls and building automation systems.
• Plumbing and/or performance fire-protection experience also desired.

Physical Requirements

• The position requires the ability to perform work in both office and field environments.
• Must be able to sit or stand for extended periods, operate a computer, and occasionally lift up to 25 pounds.
• Fieldwork may involve walking on uneven terrain, climbing ladders, and wearing appropriate PPE at active construction or plant sites.

Work/Environment Factors

• Work is typically split between an office setting and project site visits.
• Site work may expose employees to varying weather conditions, noise, and mechanical/electrical equipment.
• Occasional travel (15%) may be required to client offices, job sites, or other Tetra Tech locations.

Life At Tetra Tech
The perks of working at Tetra Tech include:

• Comprehensive and market-competitive benefits.
• Merit-based financial rewards.
• Flexibility and company-wide commitment to work/life balance.
• Collaborative team atmosphere that values the contributions of all employees.
• Learning and development opportunities for ongoing professional growth.

About Tetra Tech
Tetra Tech is the leader in water, environment, and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide. With 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by
Leading with Science
to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition.

Tetra Tech
is proud to be an Equal Opportunity Employer. All qualified candidates will be considered without regard to race, color, religion, national origin, age, disability, sexual orientation, gender identity, status as a protected veteran, or any other characteristic protected by law. Tetra Tech is a VEVRAA federal contractor and we request priority referral of veterans.

We invite applications from all interested parties.

Explore our open positions at Follow us on social media to learn more about our people, culture, and opportunities:

LinkedIn: @TetraTechCareers

X (Twitter): @TetraTechJobs

Additional Information

• Organization: 200 IEW