Mechanical Engineer

Innovative Refrigeration Systems, Inc. is looking for a results-oriented Mechanical Engineer in Lyndhurst, VA. This role is essential for creating and optimizing refrigeration system designs that utilize natural refrigerants like ammonia and CO₂, contributing directly to the company’s commitment to sustainability and innovation in industrial refrigeration.

Innovative Refrigeration Systems, Inc. is a premier custom design-build contractor for industrial refrigeration systems, providing design, fabrication, construction, commissioning, and service in-house.

The Mechanical Engineer will lead design efforts for key refrigeration components and systems used in cold storage warehouses. This includes working cross-functionally with fabrication, construction, and procurement teams to ensure high-performance, compliant, and efficient system designs.

• Lead the design of mechanical rooms, rooftop penthouses, piping systems, and other refrigeration components
• Perform advanced engineering calculations including thermal analysis, tolerance dimensions, and structural evaluations
• Ensure all designs comply with company, client, and regulatory standards
• Submit detailed drawings for review and coordinate with upper management and build teams
• Provide on-site and remote technical support during system installation
• Generate Bills of Materials (BOM) and input specifications into the ERP system
• Collaborate with fabrication teams, providing detailed guidance to ensure build accuracy
• Coordinate with purchasing to ensure materials are specified and ordered correctly
• Communicate with vendors regarding part specifications and manufacturing requirements
• Occasionally mentor junior engineers and share best practices

• Bachelor of Science in Mechanical Engineering or equivalent experience
• 2–5 years of experience in mechanical system design
• Proficiency in AutoCAD and familiarity with Inventor or Solid Works
• Strong grasp of mechanical and refrigeration engineering principles
• Ability to work independently and as part of a team
• Occasional travel to job sites may be required
• Must be able to remain in a stationary position (seated or standing) for extended periods.
• Occasionally may need to lift or carry items up to 25 pounds (e.g., office supplies, small equipment).

• Experience in sheet metal and pipe fabrication
• Interest in pursuing a PE license
• Prior experience with refrigeration systems, HVAC, or MEP design