Sr. Principal Mechanical Integration Engineer - DCI Liquid Cooling

At Jabil we strive to make ANYTHING POSSIBLE and EVERYTHING BETTER. We are proud to be a trusted partner for the world's top brands, offering comprehensive engineering, manufacturing, and supply chain solutions. With over 50 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 Details

Job Family : Mechanical Design Engineering

Job Profile Title : Sr. Principal Mechanical Design Engineer

Location / Division Specific Information- USA – Austin / USA – Remote / P06

Overview

The Mechanical Integration Engineer will have a critical understanding of manufacturing processes for thermal components and solid comprehension of thermal design and analysis to lead and oversee the mechanical systems essential for Data Center Infrastructure functionality. This role will involve developing specifications, selecting key components, component placement, selecting fastening methods, and transitioning design to manufacturing. Additionally, the position includes leading test process implementation and equipment selection to maintain the highest standards of operational excellence and reliability.

Responsibilities

• Have a strong background in liquid cooling technology used in data center design and buildout.
• Act as the subject matter expert on all matters related to single phase and two-phase liquid cooling applications within hyperscale data centers, including primary and in-rack cooling solutions.
• Have expertise in both enclosed and facility-based cooling systems
• Have experience with current Cooling Distribution Unit (CDU) technologies
• Ability to detail operational expectations for LC Racks, Manifolds and other LC infrastructure (Pressure Ratings, Temperature Ranges (in / outlet), Flow Uniformity and Durability)
• Proficiency with testing concepts for leaks / mitigation and hydrostatic pressure validation, flow resistance analysis, and corrosion assessments to comply with international standards such as ASME and ISO.
• Knowledgeable on High-Density Liquid Cooling (HDLC) products utilized in global data center applications
• In depth knowledge of rack manifold manufacturing, design and function (Machining and Welding, Surface Finishing, Material and Surface Treatments, Post-Production Cleaning, Flow Optimization, Thermal Expansion, Connection Interfaces, High-Point Vents and Low-Point Drains)
• Review CAD / Technical Data Packages to determine and validate mechanical design requirements for components and their functions within a system environment
• Responsible for understanding product specifications, plumbing, and hydronic systems to lead reviews with all disciplines ensuring the design and components meet performance and applicable code requirements
• Ability to evaluate thermal data collected from engineering or manufacturing tests to confirm product conformance to thermo-mechanical requirements, testing and modeling
• Knowledgeable in fabrication practices and installation of copper, stainless steel and aluminum piping for large-scale cooling systems
• Understanding and conducting stress and flow analysis to ensure that the piping systems can withstand operational conditions without failure
• Collaborate with project managers on design quotations
• Provide technical input to identify and mitigate project risks that may impact project plans and schedules
• Conduct component selection for pipes, fittings, and valves based on factors like fluid type, temperature, pressure, and corrosion resistance in chillers, HVAC systems and liquid cooling loops
• Collaborate with cross-functional teams to design and ensure system compatibility and integration for liquid cooling systems at the rack, site, equipment, and system levels, including water chillers, heat exchangers, Air Handler Units, and more
• Ability to prepare technical specifications for piping components and systems, including testing procedures, installation procedures and maintenance guidelines
• Utilize CAD tools, CAE tools, and equipment for engineering tasks
• Evaluate / optimize manufacturing assembly processes by designing, modifying, and testing manufacturing methods and equipment, conferring with equipment vendors, and soliciting observations from production team
• Adept at creating detailed mechanical design of components, sub-assemblies, and system integration
• Capable of creating a Bill of Materials (BOM) for release to manufacturing
• Perform tests, debug, and validation of mechanical systems and support manufacturing processes
• Manage relationships with mechanical component vendors and contract manufacturers
• Keep updated with the latest technologies and methods to ensure competitive and cost-effective designs
• Works with your manager to propose potential R&D project ideas to enhance competency areas
• Discuss with management and production staff to assess engineering feasibility and cost-effectiveness

Qualifications

Education :

Experience :

Knowledge, Skills, Abilities :

Preferred Qualifications :

The pay range for this role is $157,200 – $282,900. Job-related, non-discriminatory factors used to determine the actual offered rate include qualifications and experience, geographic location, education, external market data, and consideration of internal equity. The anticipated close date of this job requisition is : October 31, 2025.

As part of the total rewards package, this position is eligible for a short-term incentive based on performance. In addition, Jabil offers benefits to enhance your health, wealth, and resilient self. These include medical, dental, and vision insurance plans; paid time off accruing at a rate of 3.07 hours during your first year of employment; 4 weeks of paid parental leave; in 2026, 11 company-paid holidays (9 fixed holidays and 2 optional floating holidays), subject to change yearly; 401(k) retirement plan; and employee stock purchase plan.

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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

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