Sr Manager Engineering- Refrigeration, HVAC, Plant Systems Design , US Posted ago

Position: Sr Manager Engineering- Refrigeration, HVAC, Plant Systems Design , US + 1 more Posted 14 hours ago
## Sr Manager Engineering
- Refrigeration, HVAC, Plant Systems Design Chicago/Aon Center, Illinois, United States of America Apply Now Job :
R-104805

Date posted:
09/28/2026

Team:
Engineering & Maintenance

Location:

Chicago, IL, US, Garland, TX, USProvide first-level, day-to-day administrative and technical supervision for a staff of professional engineers and technicians within an engineering department unit to accomplish specific engineering projects. Review technical feasibility of proposed solutions to engineering problems. Specialize in areas of competence (electrical, mechanical, etc.) depending on the function, according to the type of product or process. Responsible for the results of the unit's efforts and for the effectiveness of their overall integration within other units.

Direct work assignments, scheduling, and reviews of work in progress. Handle personnel actions, including performance reviews, salary recommendations, and coordination of training and development. Help solve difficult technical problems. Typically lead a staff of five to ten professionals.##

Job Description
** Job Purpose
** The Refrigeration, HVAC, Plant System Design Engineer is a subject matter expert that will lead their discipline as part of the Design and Technical Capabilities team to define standards, consistent processes, and formulate projects that can be used and issued to suppliers for initial budget and final pricing and order placement. The design engineer is responsible for the design, operation, maintenance, and optimization of ammonia-based refrigeration systems used in industries such as food processing, cold storage, and manufacturing.

This role requires a strong engineering background, deep technical knowledge of ammonia systems, and strict adherence to safety and regulatory standards.

The specialized professional focus will be on ammonia/refrigeration but their responsible will includes oversight of design, engineering, safety and quality support in the following utility equipment systems:
Clean steam, RO systems, HVAC systems, plant steam systems, process chillers, compressed/process air, nitrogen, ammonia chillers, refrigeration process, and cooling towers.

This individual will work closely with a cross-functional team to meet the needs of the groups they support. This position supports the team on completing capital engineering feasibility studies, develop initial and detailed equipment designs, and creating engineering standards that complement the equipment design and can be utilized for project feasibility and execution phases of projects to improve speed of execution.

This individual will require both the project management and technical knowledge to develop the scope for complex utilities projects. While this role will be focused on refrigeration/ammonia expertise, team members are expected to have general knowledge of infrastructure, utilities, wastewater treatment and food and beverages process technologies.
** Essential Functions & Responsibilities*
* · Develop initial scope of work, block flow diagrams, equipment selections, and technical reports for ammonia refrigeration systems, including compressors, condensers, evaporators, and associated components.
· Perform sizing and selection of refrigeration equipment, control group design, final line sizing, and mass/energy balance calculations.
· Maintain engineering standards, stay current with code changes (e.g., NEC, ASHRAE, OSHA, EPA), and ensure compliance with Process Safety Management (PSM) requirements.
· Ensure PSM program is compliant. Review PSM audits and provide solutions and alternative options.
· Create standard engineering project designs and Capex estimates for major capital initiatives working together with supply…