Sr. Principal Mechanical Integration Engineer - Data Center Liquid Cooling (REMOTE)

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.How will you make an impact?The Senior Principal 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.Job Title: Senior Principal Mechanical Design EngineerOrganization: Data Center Infrastructure TeamLocation: Remote* OR Austin, TX*Requires up to 30% domestic and/or international travel (rare)What will you do?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 systemsHave experience with current Cooling Distribution Unit (CDU) technologiesAbility 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 applicationsIn 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 environmentResponsible 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 systemsUnderstanding and conducting stress and flow analysis to ensure that the piping systems can withstand operational conditions without failureCollaborate with project managers on design quotationsProvide technical input to identify and mitigate project risks that may impact project plans and schedulesConduct 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 loopsCollaborate 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 moreAbility to prepare technical specifications for piping components and systems, including testing procedures, installation procedures and maintenance guidelinesUtilize CAD tools, CAE tools, and equipment for engineering tasksEvaluate/optimize manufacturing assembly processes by designing, modifying, and testing manufacturing methods and equipment, conferring with equipment vendors, and soliciting observations from production teamAdept at creating detailed mechanical design of components, sub-assemblies, and system integrationCapable of creating a Bill of Materials (BOM) for release to manufacturingPerform tests, debug, and validation of mechanical systems and support manufacturing processesManage relationships with mechanical component vendors and contract manufacturersKeep updated with the latest technologies and methods to ensure competitive and cost-effective designsWorks with your manager to propose potential R&D project ideas to enhance competency areasDiscuss with management and production staff to assess engineering feasibility and cost-effectivenessApply modular data center design principles to liquid cooling integration — standardized, repeatable mechanical packages that can be built, tested, and validated in a factory environment prior to shipment.Design cooling systems for prefabricated and skid-mounted deployment, accounting for transport and vibration loads, shipping envelope constraints, and inter-module connection interfaces.How will you get here?Education: Bachelor’s degree in Mechanical Engineering, Systems Engineering, or a related field is requiredExperience: Minimum of 8+ years of experience in mechanical system integrationProven track record of successful system designs and implementations in a relevant industryStrong understanding of mechanical systems, integration strategy, and system coordinationExcellent problem-solving skills and attention to detailStrong communication and teamwork abilitiesAlternatively, a suitable combination of education, experience, and/or training may be consideredKnowledge, Skills, Abilities:Excellent interpersonal and communication skillsCreative, self-motivated, accountable, and team-orientedAble to work independently with minimal oversightProficient in reading, analyzing, and interpreting general business publications, professional journals, technical procedures, and government regulationsSkilled in writing reports, business correspondence, and procedural guidesEffective at presenting information and responding to management, clients, and public queriesCapable of influencing others and sharing best practicesComfortable working as part of a global teamCapable of assessing projects, articulating risks, and developing project milestonesFamiliar with stage-gate processes in project lifecycle management (PLCM)Able to mentor junior engineersAbility to travel 20% to 30% as requiredPreferred Qualifications:  Master’s Degree in Mechanical Engineering, Systems Engineering or related engineering discipline.Active Professional Engineer (PE) license.Familiarity with industry standards and regulations related to Data Center Infrastructure.Hands-on experience designing liquid cooling systems for modular/prefabricated data center deployments, including factory acceptance testing (FAT) and site integration.Familiarity with modular data center product architectures and the design constraints that come with factory build, transport, and field commissioning.The pay range for this role is $164,200 - $295,600. 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: December 31, 2026.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 2027, 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.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 ( the Federal Trade Commission identity theft hotline ( 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 View email address on click.appcast.io or calling View phone number on click.appcast.io 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.#whereyoubelong#AWorldofPossibilitiesSummaryLocation: Austin, TX; Remote - USAType: Full timePosted: 2026-10-26Country: United States of AmericaRequisition: J2469431Posting ID: 3385372ffc001000df6ed93e9c890000