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Added 1 min ago
Fast Track Summer Intern
Domtar Products
Ashdown, AR
…facilities across Canada and the United States, Domtar delivers high-quality and cost-effective products to customers around the…
Added 2 mins ago
Junior AI Engineer
AJAIA
Remote, United States
This is an individual contributor role for an early-career engineer who learns fast, cares about quality, and wants real production experience in applied AI.
Added 2 mins ago
AI Engineer
AJAIA
Remote, United States
As an AI Engineer at Ajaia, you will build AI-enabled software across both client engagements and internal product initiatives where technical speed, adaptability, and execution quality…
Added 5 mins ago
Web Developer
CACI
Chantilly, VA · Chantilly
Design, develop, enhance, test, and maintain web-based applications, including custom, commercial off-the-shelf (COTS), and government off-the-shelf (GOTS) solutions.
Added 5 mins ago
Sr. Process Engineer, R1 Body AI/ML
Rivian
Normal, IL
Added 6 mins ago
CSV Engineer II
PM Group
Indianapolis, IN
We are looking for a CSV Computer System Validation Engineer II who will support protocol execution for laboratory computer systems within a GxP manufacturing site. This individual should…
Added 6 mins ago
Web Developer
CACI, INC.-FEDERAL
Chantilly, VA
Design, develop, enhance, test, and maintain web-based applications, including custom, commercial off-the-shelf (COTS), and government off-the-shelf (GOTS) solutions.
Added 7 mins ago
Test Engineer II
Thorlabs
Newton, NJ
…designed; ensures that all new product designs meet the relevant quality, compliance and safety standards. Test engineers create procedures and guidelines to ensure that products perform at…
Added 7 mins ago
Thermal Sciences Senior Associate (Ph.D.)
Exponent Inc.
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…will include conducting, planning, and executing experimental test programs, conducting fieldwork and inspections, preparing proposals and technical reports, presenting to clients, and…
Added 7 mins ago
Structural Engineering Associate (Ph.D.)
Exponent Inc.
New York, NY
We are currently seeking a Structural Engineer/Associate for our Civil & Structural Engineering Practice in New York, NY. This professional will assist in complex forensic investigations…
Added 8 mins ago
O
Senior Network Developer
Oracle
Reston, VA · Seattle, WA · Santa Clara, CA · Austin, TX · Nashville, TN
- $91,400 to $187,000 USD / year
As a Senior Network Development Engineer on the NAT team, you will provide the technical expertise required to deliver, validate, and activate OCI network connectivity. Your work will span…
Added 8 mins ago
O
Senior Network Developer - Network Region Build (NRB)
Oracle
Seattle, WA · Nashville, TN · Santa Clara, CA · Redwood City, CA · Reston, VA
- $91,400 to $187,000 USD / year
As an NRB engineer, you’ll lead network expansion, automation, and deployment initiatives while working alongside engineering, automation, hardware, and operations teams to deliver highly…
Added 8 mins ago
O
Senior Network Developer – Network Region Build (NRB)
Oracle
Seattle, WA · Nashville, TN · Reston, VA · Redwood City, CA · Santa Clara, CA
- $91,400 to $187,000 USD / year
…deployments, and new OCI Regions across the globe. As an NRB engineer, you’ll lead network expansion, automation, and deployment initiatives while working alongside engineering, automation,…
Added 8 mins ago
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Principal Network Developer
Oracle
Seattle, WA · Austin, TX · Nashville, TN · Reston, VA
- $102,300 to $209,500 USD / year
As a Principal Network Development Engineer within NAT, you will serve as a senior technical leader for network acquisition, connectivity delivery, and activation across OCI’s global…
Added 10 mins ago
Senior Silicon Validation Engineer
Google
Sunnyvale, CA
8 years of experience with hardware engineering, ASIC digital design, design validation, test planning, and test design.
Added 10 mins ago
Weld Engineer
JGM
Sinking Spring, PA
We're looking for a Weld Engineer to be the technical go-to for welding across both of our AISC-certified fabrication shops - Coatesville (AWS D1.1 structural) and Sinking Spring (AWS D1.5…
Added 11 mins ago
Design Release Engineer (DRE) – Overhead Systems
ALTEN Technology USA
Auburn Hills, MI · Troy, MI
Drive supplier engagement through all APQP gates: design reviews, DFMEA development, tooling feasibility, APQP deliverable tracking, timing management, and cost/quality alignment.
Added 13 mins ago
AI Engineer
DeAngelis Diamond
Naples
We are searching for an AI Engineer to join our team. If you are experienced in AI with a passion for construction, innovation, and bridging the gap between business goals and technology,…
Added 16 mins ago
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Advisory Services Analyst, Consultant Development Program - AI/ML Engineering Track - Multiple Locations
UnitedHealth Group
Eden Prairie, MN
- $60,200 to $107,400 USD / year
…organizations reduce costs while improving risk management, quality and revenue growth. Ready to help us deliver results that improve lives? Join us in making healthcare work better for…
Added 18 mins ago
Tech-Refrig-AshUnion 3rd Shift
OSI
Chicago, IL
§ Perform quality control checks on repairs completed by staff
Added 18 mins ago
Tech-Refrig-AshUnion 2nd Shift
OSI
Chicago, IL
§ Perform quality control checks on repairs completed by staff
Added 19 mins ago
UF
Electrical Engineer
United Flow Technologies
DeKalb County, GA
- $105,000 to $135,000 USD / year
Engineer power distribution, breakers/protection, bus/conductors, disconnects, control power, motor starters, VFDs, PLC/I/O interfaces, instrumentation interfaces, environmental controls,…
Added 22 mins ago
A
Electrical Engineer
Actalent
Deer Park, NY
- $100,000 to $125,000 USD / year
An industry-leading manufacturer of highly specialized industrial equipment is seeking an experienced Electrical Engineer to join its engineering team in Deer Park, NY. This organization is…
Added 22 mins ago
A
Mechanical Design Engineer
Actalent
Amsterdam, NY
- $36.06 to $38.46 USD / hour
We are seeking a Mechanical Design Engineer to join a growing engineering team supporting critical power generation equipment used in industrial, utility, and power plant environments. This…
Added 22 mins ago
A
Integration And Test Engineer
Actalent
Syracuse, NY
- $92.5 to $112.85 USD / hour
Integration & Test Engineer Integration & Test Engineer will develop and execute advanced testing strategies for software and system-level applications that support electronic warfare,…

OSI

Tech-Refrig-AshUnion 3rd Shift

Chicago, IL, United States

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Job details

Experience: § 7 - 10 years’ experience in troubleshooting, repair and maintenance of plant refrigeration / boilers / ammonia
Posting language: English
Posted: Nov 9, 2026

Original job description

Perform, coordinate and document all activities related to operating and maintaining the Ammonia System and Utilities Room. Follow proper procedures and safety guidelines.

Job Responsibilities

Job is an individual contributor.
Job is an individual contributor and has no direct reports.

•§ Diagnoses and troubleshoot complex refrigeration/boiler/ammonia / fire system / building issues

§ Perform scheduled preventative maintenance on refrigeration/boiler/ammonia / boiler equipment

§ Perform lubrication / blow downs / daily checks / level checks that are due with systems daily-weekly-monthly

§ Replace broken belts / bearings /motors / electrical parts on the equipment as necessary

§ Repair pipes /plumbing / valves / actuators / pneumatics /electrical etc.

§ Help Contractors Build / modifications machine or system improvements as requested by leader/supervisor/management

§ Troubleshoot and repair electrical system and control for equipment throughout refrigeration boilers in plant

§ Keep area clean / and ensure contractors follow OSI rules and cleanliness of area and plant

§ Can coordination with shift lead/supervisor/manager for in-house needs and applying to SAP system.

§ Perform day-to-day operation / checks / PMs / follow ups / work as assigned buy leader.

§ Perform on-the-job training via alchemy / contractors / computer as directed by lead/supervisor/manager.

§ Work with team members in all grade levels with trouble shooting.

§ Ability to work under pressure and meet deadlines

§ Effective communication and interpersonal skills

§ Proficiency in using diagnostic tools and equipment

§ Perform quality control checks on repairs completed by staff

§ Trouble shoot electrical 480/240/120 VAC-24 VAC/VDC

§ Perform other duties as assigned.

§ Assist as directed with contracted services for HVAC and refrigeration/ammonia equipment and Consults with HVAC Refrigeration Specialists and Technicians if needed

§ Evaluates, prioritizes, and performs routine and specialty installation, repair, and maintenance work orders as needed for departmental / plant needs

This role has the responsibility to understand and places in practice appropriate safety procedures. This responsibility is achieved through education, training, use of protective equipment (as applicable) and by following safety policies, regulations, standards, and laws.
Perform other duties as assigned.

Compensation/Benefits

The starting hourly rate for this position is $39.50 This role is a union role and is eligible for overtime pay for hours worked beyond 40 hours in a week and may also be eligible for additional hourly premiums for perfect attendance and/or working evening or night shifts. OSI also offers comprehensive paid time off (sick, vacation, holidays and other programs), 401k with matching company contributions, a full suite of benefit offerings (medical, dental, vision, life, disability and other voluntary coverages) for you and your family and educational assistance with opportunities for professional development. For complete details about the full benefit offerings, please request a copy of the collective bargaining agreement.

We are committed to fair and transparent pay practices.

Additional Compensation:

This position may also be eligible for overtime pay, shift differentials, and/or bonus opportunities, as applicable.

Benefits:

We offer a comprehensive benefits package that may include medical, dental, vision, 401(k), paid time off and holidays, and more. A full summary of benefits will be provided upon hire.

Compensation information is available on our careers site. If you are viewing this role on a third-party platform and do not see pay details, please visit our careers page www.osigroup.com/careers/ for full transparency.

This pay range represents the company’s good faith estimate at the time of posting.

Experience & Skills

§ 3 years on the job training mechanical engineering, refrigeration or related skill

§ 7 - 10 years’ experience in troubleshooting, repair and maintenance of plant refrigeration / boilers / ammonia

§ Knowledge of inverters and proximity switches is required.

§ Must be able to service and troubleshoot equipment.

§ Knowledge of the equipment, tools, and test instruments used for water treatment in mechanical systems

§ Must be able to read blueprints electrical prints pneumatic prints

§ Possess basic refrigeration knowledge. Basic knowledge of welding and fabrication techniques.

§ Must have knowledge of electrical, pneumatic, and hydraulic systems.

§ Must have knowledge and skills in the technologies of Anhydrous Ammonia, electrical systems, electronic systems, microprocessors, mechanical systems (e.g., production/process refrigeration boilers, HVAC hydraulics, and pneumatics), and computerized maintenance management systems SAP. Working knowledge of food plant production and processing equipment

§ RETA (Refrigerating Engineers & Technicians Association) certified

§ Stationery Engineer/Boiler License Required

§ Must have a high school diploma or equivalent of a GED.

§ An associate degree in mechanical and/or industrial engineering would be preferred but not required.

§ OP1/OP2/OP3 (TECH 1)/PSM certifications and maintain them, renewed every three (3) years. CIRO- Certified Industrial Refrigeration Operator preferred and renewed yearly after having 2 years certified Refrigeration Energy Specialist or ability to obtain.

Education

High School degree or equivalent is preferred.
Ammonia Refrigeration Certification is a plus.

Work Environment

Work can be performed within a manufacturing plant environment with noise, extreme temperatures, and significant movement of powered equipment, people and conveyor (may depend on the role).
Work conditions are typical of a food manufacturing facility.
This role does not require any domestic travel
Position requires the physical agility to perform continuous lifting up to 50 pounds, bending, squatting, pushing, pulling, stretching/reaching, use hands or fingers, talk, hear, feel objects, tools, controls and standing/walking on concrete flooring.
Position requires the physical ability to stand/walk for the duration of work hours.

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More about this job

Skills

Troubleshoot
SAP
Cope with pressure
Meet deadlines
Communication skills
Interpersonal skills
Quality control
HVAC
Mechanical engineering
Troubleshooting
Mechanical systems
Welding
Electronics
Microprocessors
Production processes
Industrial engineering
PSM
CIRO
Food engineering
Heavy lifting

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