Sr. Principal Mechanical Integration Engineer - DCI Liquid Cooling

Overview

At Jabil we strive to make ANYTHING POSSIBLE and EVERYTHING BETTER. Jabil is a global provider of engineering, manufacturing, and supply chain solutions with over 50 years of experience and a network of more than 100 sites. The company focuses on sustainable processes and aims to foster diverse communities worldwide.

Job Family : Mechanical Design Engineering

Job Profile Title : Sr. Principal Mechanical Design Engineer

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

Responsibilities

• Lead mechanical systems for Data Center Infrastructure functionality, including developing specifications, selecting key components, determining component placement and fastening methods, and transitioning design to manufacturing.
• Develop test processes and select equipment to maintain high standards of operational excellence and reliability.
• Apply expertise in liquid cooling technology used in data center design and buildout, including single phase and two-phase cooling applications for hyperscale data centers (primary and in-rack cooling).
• Work with enclosed and facility-based cooling systems and current Cooling Distribution Unit (CDU) technologies.
• Define operational expectations for LC Racks, manifolds, and LC infrastructure (pressure ratings, temperature ranges, flow uniformity, durability).
• Conduct testing concepts for leaks, hydrostatic pressure validation, flow resistance analysis, and corrosion assessments to meet international standards (ASME, ISO).
• Knowledgeably support High-Density Liquid Cooling products used in global data center applications.
• Review rack manifold manufacturing, design, and function (machining, welding, surface finishing, materials, post-production cleaning, flow optimization, thermal expansion, connection interfaces, high-point vents, low-point drains).
• Review CAD / Technical Data Packages to validate mechanical design requirements within a system environment.
• Lead reviews of product specifications, plumbing, and hydronic systems with all disciplines to ensure performance and code compliance.
• Evaluate thermal data from engineering or manufacturing tests to confirm thermo-mechanical conformance, testing, and modeling.
• Understand fabrication practices and installation of copper, stainless steel, and aluminum piping for large-scale cooling systems.
• Conduct stress and flow analyses to ensure piping systems withstand operational conditions without failure.
• Collaborate with project managers on design quotations and fellow cross-functional teams to ensure system compatibility and integration for rack, site, equipment, and system levels (including water chillers, heat exchangers, Air Handler Units, and more).
• Prepare technical specifications for piping components and systems, including testing procedures, installation procedures, and maintenance guidelines.
• Utilize CAD / CAE tools and equipment for engineering tasks; evaluate and optimize manufacturing assembly processes, engaging with vendors and production teams.
• Create detailed mechanical designs for components, sub-assemblies, and system integration; develop BOMs for release to manufacturing.
• Perform tests, debugging, and validation of mechanical systems and support manufacturing processes.
• Manage relationships with mechanical component vendors and contract manufacturers.
• Stay updated with the latest technologies and methods to ensure competitive and cost-effective designs.
• Support management in proposing potential R&D project ideas to enhance competency areas and assess engineering feasibility and cost-effectiveness with production staff.

Qualifications

Education :

Experience :

Knowledge, Skills, Abilities :

Preferred Qualifications :

Compensation and Benefits

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. This position is eligible for a short-term incentive based on performance. Jabil offers benefits to support health, wealth, and resilience, including medical, dental, and vision insurance; paid time off; paid parental leave; company holidays; 401(k); and an employee stock purchase plan.

EEO and Accessibility

Jabil 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 require a reasonable accommodation to access the Jabil Careers site, please email Always_Accessible@Jabil.com or call 727-803-7988. The site may include notices about fraud prevention; please follow official channels for applications.

J-18808-Ljbffr