Sr. Mechanical Engineer

Miller Industries LLC
Miller Industries LLC

Fenton, MI, USA

Posted on Aug 12, 2026
Position: Sr. Mechanical Engineer
Location: Fenton - 11158 Torrey Rd - North, MI
Job Id: 663
# of Openings: 1
Miller Industries – Sr. Mechanical Engineer - Flex Air - Fenton, Michigan
Who We Are
Are you looking for a change that allows you to work for a rapidly growing company?
At Miller Industries, LLC we design, engineer, and manufacture custom products at our two locations in Fenton, Michigan with additional support in Texas and Georgia. The divisions of our business include Miller Fabricated Systems, Flex Air, Miller Industries Representatives, and Fusion Cooling. Together we have the capabilities to provide our customers with custom steel fabrication, custom commercial and industrial HVAC systems and applications, and modular equipment rooms for refrigeration. We have been primary suppliers to automotive, healthcare, and institutional customers worldwide.
We take great pride in our family-owned business built on hard work and passion for making quality products. We are committed to ensuring the needs of our employees are met and that they have the ability to grow and develop. As we continue to grow at a rapid pace, we are looking for skilled talent to join our team. If you believe this opportunity is right for you, we welcome you to apply today!
Who We Want
We are currently seeking a Senior Mechanical Engineer to work in our Engineering department within our Flex Air division in Fenton, MI. Flex Air is an industry leading design and manufacturer of custom industrial mechanical and electrical modular buildings and custom high-performance HVAC systems. Every solution is meticulously engineered to meet and exceed our customer’s expectations. Our products consist of custom air handling units, pre-fabricated modular mechanical buildings and electrical enclosures. The Sr. Mechanical Engineer will review project specifications, research, design, and document solutions for commercial and industrial HVAC, hydronic plants, and electrical power distribution projects. Additionally, they will provide engineering support for installation, testing, and repair of these products and systems.

What You Will Be Doing
  • Lead design of mechanical systems and equipment across various industrial applications through all phases of the design and construction phases.
  • Evaluate products and components to ensure function and performance by conducting research and using experience.
  • Create, modify and review 2D and 3D CAD data, product documents, and bills of material to confirm products meet the full intent of customer design requirements.
  • Assure product quality and function by developing and renewing engineering best practices and SOPs
  • Work cross functional across sales, operations, and quality departments to ensure product designs satisfy requirements of all key stakeholders.
  • Support of project management with project schedule and requirement coordination.
  • Evaluate raw material processing equipment. Recommend purchase of capital equipment items designed to improve production efficiency.
  • Ensure that all legal and regulated obligations (i.e. OSHA, building codes) from an Engineering and Design standpoint meet all federal, state or local laws and regulations.
What Requirements Are Needed
Bachelor’s Degree in Mechanical Engineering from an accredited college or university. At least seven (7) years of concurrent Mechanical Engineering experience or similar market experience.
  • Fundamental knowledge of mechanical systems, hydronics, HVAC, and construction industries.
  • Manufacturing knowledge of structural steel, welding and sheet metal design.
  • 2D and 3D CAD modelling skills.
  • Excellent root cause analysis skills.
  • Knowledge of Mechanical Piping, HVAC design, and Industrial Manufacturing desired.
  • Modular construction and data center experience is a plus.
At Miller Industries, our mission is to be the most respected custom modular integrator of applied mechanical and electrical equipment across the globe. We value integrity and quality in everything we do. We listen, collaborate, and work towards continuous improvement every day.
We are committed to providing equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected characteristic as established by law.
Join us in creating an inclusive and equitable workplace where everyone has the opportunity to reach their full potential. Together, we can continue to lead and innovate in our industry.
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