Refrigeration Engineer

Ellis & Watts Global Industries Inc

As a part of the global industrial organization Marmon Holdings which is backed by Berkshire Hathaway, you’ll be doing things that matter, leading at every level and winning a better way. We’re committed to making a positive impact on the world by providing you with diverse learning and working opportunities and fostering a culture where everyone is empowered to be their best.

Ellis & Watts solve complex engineering challenges. We build components to withstand demanding applications delivering robust performance in the harshest environments: nuclear medical and military. We don’t just work to the highest standards we embody them. Ellis & Watts means mission‑critical engineering; nuclear‑grade safety, medical‑grade quality, and military‑grade durability.

We’re seeking a talented Refrigeration Systems Engineer to lead the design and implementation of advanced refrigeration systems for our manufacturing operations. This role is pivotal in ensuring our systems meet performance, safety and environmental standards while driving innovation and efficiency.

• Design and develop refrigeration systems including chillers, air conditioners, evaporators, condensers and piping layouts.
• Perform thermal and mechanical calculations to optimize energy efficiency and performance.
• Select components and materials based on cost, durability and manufacturing requirements.
• Oversee creation of detailed CAD drawings and schematics for new installations and retrofits.
• Collaborate with production and quality teams to integrate systems into workflows.
• Support testing and validation of performance under simulated conditions.
• Ensure compliance with ASHRAE, UL, CE, EPA and regulatory standards.
• Troubleshoot and enhance existing systems to reduce downtime and improve reliability.
• Support manufacturing installation and commissioning.

• Bachelor’s degree in Chemical, Mechanical or HVAC Engineering.
• 3‑5 years of experience in refrigeration system design within a manufacturing environment.
• Proficiency in CAD software (AutoCAD, Solid Works) and simulation tools.
• Strong grasp of thermodynamics, fluid dynamics and heat‑transfer principles.
• Familiarity with industrial refrigerants and pressure vessel design.
• Effective project management and documentation skills.
• Ability to work cross‑functionally with diverse teams.
• Preferred knowledge of PLCs and automated control systems.

• Employment is contingent upon successful completion of a pre‑employment drug screening and background check.
• You must be authorized to work in the United States.
• You must be able and willing to travel domestically and internationally up to 10% annually.
• This is an on‑site position at our facility in Batavia OH.

• Work on cutting‑edge refrigeration technologies.
• Be part of a collaborative and innovative engineering team.
• Competitive compensation and comprehensive benefits.
• A casual friendly work atmosphere.
• Fun team celebrations throughout the year.
• Make a real impact in a growing Company!

Ready to make an impact? Apply today and become part of a team that values collaboration, innovation and excellence!

Ellis & Watts is proud to be an equal opportunity / affirmative action employer. We welcome applicants of all backgrounds including women, minorities, individuals with disabilities and protected veterans.

Following receipt of a conditional offer of employment, candidates will be required to complete additional job‑related screening processes as permitted or required by applicable law.

We are an equal opportunity employer and all applicants will be considered for employment without attention to their membership in any protected class. If you require any reasonable accommodation to complete your application or any part of the recruiting process, please email your request and please be sure to include the title and the location of the position for which you are applying.

System Design, CAD, Mechanical Knowledge, Microsoft Dynamics Navision, Ammonia Refrigeration, HVAC / R, Solid Works, Mechanical Engineering, Refrigeration, AutoCAD, Differential Equations, Ductwork.

Employment Type: Full-Time

Experience: 3‑5 years

Vacancy: 1