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Liquid Cooling Systems Engineer

Jabil Circuit -
Florence, KY

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Job Details

Full-time

Qualifications

Thermal analysis
Fluid dynamics
Defect resolution root cause analysis
ISO standards
Six Sigma methodology implementation
Thermal hydraulics
Bachelor's degree in engineering
Quality control problem-solving
Regulatory/legal compliance standards in production
Quality standards in production
Quality improvement programs in engineering
Legal compliance
Sensors
Cross-functional communication
Failure analysis

Full Job Description

At Jabil (NYSE: JBL), we are proud to be a trusted partner for the world's top brands, offering comprehensive engineering, supply chain, and manufacturing solutions. With 60 years of experience across industries and a vast network of over 100 sites worldwide, Jabil combines global reach with local expertise to deliver both scalable and customized solutions. Our commitment extends beyond business success as we strive to build sustainable processes that minimize environmental impact and foster vibrant and diverse communities around the globe.

JOB SUMMARY

The Liquid Cooling Systems Engineer serves as the internal subject matter expert (SME) for liquid cooling technologies supporting Jabil’s manufacturing and deployment of data center hardware, including rack and server platforms.

This role provides technical guidance on cooling system design, process standards, and implementation strategies to support scalable, high-reliability production. You will evaluate emerging cooling technologies, components, and suppliers to enable future product development and drive continuous improvement across manufacturing operations.

Partnering with systems, electrical, and software engineering teams, you will ensure effective integration of liquid cooling solutions into complex hardware systems. Additionally, you will mentor junior engineers and support cross-functional execution to deliver high-performance data center products.

ESSENTIAL DUTIES AND RESPONSIBILITIES

Optimize cooling and fluid handling processes to improve efficiency, reliability, safety, and sustainability.
Lead the engineering, optimization, and scaling of liquid cooling processes supporting the manufacturing of data center rack and server solutions.
Identify and resolve bottlenecks in production and cooling workflows.
Design, configure, and monitor process performance during manufacturing and operations.
Develop and maintain detailed engineering process documentation, including P&IDs, schematics, and layouts (pumps, compressors, chillers, CDUs, sensors, valves).
Collaborate cross-functionally with systems, electrical, and software teams to ensure seamless integration of cooling into complex server and rack-level architectures.
Drive engineering improvements to enhance thermal performance, system reliability, and manufacturing efficiency, while reducing energy consumption and operating costs.
Monitor key parameters (pressure, temperature, flow rate, glycol concentration) via BMS.
Use data-driven methods to predict failures, optimize system performance, and support preventative maintenance strategies.
Develop and manage maintenance plans for process assets.
Collaborate with EHS on SOPs for safety, leak mitigation, waste disposal, and fluid handling.
Conduct CTQ analyses and risk assessments.
Own lifecycle management of cooling subsystems and process equipment, from development through production and deployment.

JOB QUALIFICATIONS

Required Qualifications:

Bachelor’s degree in Mechanical or Chemical Engineering, or related field.
10+ years of hands-on engineering experience with liquid cooling, chilled water, or glycol-based systems in product or manufacturing environments.
Experience supporting data center hardware, server platforms, or high-density compute systems, or similarly complex, high-reliability engineered systems (pharma, food & beverage, distillery).
Strong knowledge of thermodynamics, fluid mechanics, and heat transfer.
Proficiency in process control systems, instrumentation, and sensors.
Experience with DMAIC, root cause analysis, and continuous improvement.
Familiarity with quality systems (ISO 9001) and regulatory compliance affecting engineering-driven process control.
Strong analytical and problem-solving skills with the ability to translate data into actionable engineering improvements.
Ability to drive cross-functional change using data.

Preferred Qualifications:

Experience with data center liquid cooling technologies, including immersion or direct-to-chip liquid cooling.
Knowledge of OCP and ASHRAE standards related to data center cooling.
Familiarity with BMS and SCADA, or similar monitoring and control platforms for cooling systems.
Six Sigma or Lean certification with demonstrated application in manufacturing engineering environments.

BE AWARE OF FRAUD: When applying for a job at Jabil you will be contacted via correspondence through our official job portal with a jabil.com e-mail address; direct phone call from a member of the Jabil team; or direct e-mail with a jabil.com e-mail address. Jabil does not request payments for interviews or at any other point during the hiring process. Jabil will not ask for your personal identifying information such as a social security number, birth certificate, financial institution, driver’s license number or passport information over the phone or via e-mail. If you believe you are a victim of identity theft, contact the Federal Bureau of Investigations internet crime hotline (www.ic3.gov), the Federal Trade Commission identity theft hotline (www.identitytheft.gov) and/or your local police department. Any scam job listings should be reported to whatever website it was posted in.

Jabil, including its subsidiaries, is an equal opportunity employer and considers qualified applicants for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, age, disability, genetic information, veteran status, or any other characteristic protected by law.

Accessibility Accommodation

If you are a qualified individual with a disability, you have the right to request a reasonable accommodation if you are unable or limited in your ability to use or access Jabil.com/Careers site as a result of your disability. You can request a reasonable accommodation by sending an e-mail to [email protected] or calling 727-803-7988 with the nature of your request and contact information. Please do not direct any other general employment related questions to this e-mail or phone number. Please note that only those inquiries concerning a request for reasonable accommodation will be responded to.

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