Mechanical Controls Engineer Jobs in Tennessee (NOW HIRING)

Make an impact. Build your career. Lead and Serve.

Are you looking for more than just a job? Do you want to use your skills, contribute to meaningful work, and be part of a team that values your expertise and invests in your growth?

Mechanical Resource Group (MRG) is seeking an HVAC Controls Engineer with expert-level experience in Distech Controls and the Niagara platform. This role is responsible for designing, programming, integrating, and commissioning complex HVAC control systems and serving as a technical authority across projects.

This is an opportunity to join a family-owned company with more than 25 years of experience, a strong reputation for integrity and technical excellence, and a culture built around a simple mission: Lead and Serve.

Why this opportunity stands out

• Make an Impact: Your work directly contributes to the success of our customers, projects, and company.

• Do Meaningful Work: Take on challenges that allow you to apply your expertise, solve problems, and create value.

• Be Part of a Team: Collaborate with talented professionals who value accountability, communication, and shared success.

• Keep Growing: Learn from experienced industry professionals and gain opportunities to expand your skills and career.

• Build Something Long-Term: Join a family-owned company that values relationships, invests in its people, and is committed to continued growth.

What you'll do

• Design and implement complex HVAC control systems using Distech GFX and Niagara, ensuring compliance with project requirements and industry standards.

• Provide technical guidance and mentorship to develop controls engineers and programmers, reinforcing engineering standards and best practices.

• Develop and review detailed control schematics, risers, and layouts to support accurate installation and commissioning.

• Work closely with project managers, field technicians, and engineers to translate designs into executable systems.

• Ensure all engineering deliverables meet MRG quality standards from design through final system turnover.

• Support field execution and project delivery in coordination with Controls Operations.

• Lead or support high-level system integrations, network strategy, and third-party coordination.

• Provide advanced technical support, customer training, and system walkthroughs to ensure a successful handoff.

What will help you succeed

You may be a strong fit if you bring:

· 10+ years of experience as a Controls Engineer supporting commercial HVAC systems

· Expert-level experience with Distech Controls (ECLYPSE/ECB platforms)

· Expert-level experience with Niagara including station architecture, drivers, licensing, and security

· Strong system-level troubleshooting and integration experience

· Knowledge of BACnet, MS/TP, BACnet/IP, Modbus, and networked BAS architecture

· Deep understanding of commercial HVAC equipment (AHU’s, VAV’s, boilers, chillers, etc.)

· Ability to read, interpret, and review construction documents and blueprints, along with strong written and verbal communication skills for customer and team interaction

· Self-directed, accountable, and customer-focused mindset

· A valid driver’s license, safe driving record, and be able and willing to operate company-owned vehicles

A collaborative approach, personal accountability, and a commitment to continuous learning. You'll thrive here if you...

• Enjoy earning trust and developing long-term customer relationships.

• Are energized by technical challenges and practical problem-solving.

• Communicate with confidence, curiosity, and professionalism.

• Work well independently while contributing fully to a team.

• Want to keep growing--personally, professionally, and technically.

What you can expect from MRG

At MRG, your ideas are valued, your expertise is respected, and your development matters. We work to create an environment where people can do excellent work, build rewarding careers, and make a meaningful impact.

✓ Medical, dental, and vision insurance

✓ Professional development and ongoing training

✓ 401(k) with company match

✓ Career advancement opportunities

✓ Paid vacation and sick days

✓ Team events and employee recognition programs

✓ Paid holidays and paid volunteering days

✓ The opportunity to work alongside industry-leading professionals

Our values in action

We are an industry leader committed to excellence, guided by a servant heart, dedicated to personal and professional growth, and united as a strategic team.

No matter your role, you have the opportunity to make an impact, contribute to something bigger, and help us continue leading the industry through innovation, service, and exceptional people.