Senior Manager Engineering - Refrigeration, HVAC, Plant Systems Design (Ammonia Refrigeration)

Location: Chicago/Aon Center and Garland Plant, United States; normal office environment with 50% domestic travel to manufacturing facilities and other customer locations. A driver's license is required.

Base salary: $120,800–$151,000 per year, plus eligibility for a performance-based bonus.

Company

hirify.global operates manufacturing facilities and develops engineering standards and capital projects for food and beverage production systems.

What you will do

• Lead ammonia refrigeration, HVAC, and plant utility system design, including equipment selection, sizing, line sizing, control groups, and mass and energy balances.
• Develop feasibility studies, scopes of work, technical reports, equipment standards, detailed designs, cost estimates, timelines, and bid documentation for capital projects.
• Maintain engineering standards and ensure compliance with PSM, NEC, ASHRAE, OSHA, EPA, sanitary, safety, and quality requirements.
• Provide technical support during equipment build, acceptance testing, commissioning, operations, maintenance, and problem resolution.
• Lead cross-functional technical reviews and collaborate with project engineers, procurement, suppliers, OEMs, contractors, engineering firms, and senior leadership.
• Benchmark equipment and processes, evaluate best available technologies, define utility KPIs, and identify opportunities to improve reliability, efficiency, and return on investment.

Requirements

• Bachelor’s degree in Mechanical, Chemical, Electrical Engineering, or a related field, or equivalent experience.
• 5–8 years of manufacturing experience with ammonia refrigeration design and technology implementation.
• In-depth knowledge of ammonia refrigeration systems, HVACR design, facility mechanical systems, and clean and plant utility systems.
• Knowledge of fluid mechanics, heat transfer, thermodynamics, manufacturing KPIs, engineering standards, and applicable industry regulations.
• Experience writing project scopes of work, leading cross-functional teams, influencing senior leaders, and mentoring technical professionals.
• Ability to travel as needed, including 50% domestic travel, and hold a valid driver's license.

Nice to have

• Refrigeration technology or ammonia refrigeration certification.
• RETA certification.
• Experience with LEAN or similar continuous improvement methodologies.
• Experience working with OEMs and engineering service organizations internationally.

Culture & Benefits

• Healthcare coverage, including medical, prescription drug, dental, and vision plans.
• Paid time off, company holidays, leave programs, and flexible work arrangements.
• Retirement savings, life insurance, accidental death and dismemberment, and disability coverage.
• Employee assistance, family support, wellbeing programs, learning opportunities, and training.
• Performance-based bonus eligibility.