At Jabil (NYSE: JBL) we are proud to be a trusted partner for the worlds 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

This role is part of Jabils Renewable & Energy Infrastructure (R&EI) division partnering with global customers to define architect and industrialize advanced HVAC and liquid-cooling systems for scalable manufacturing across different regions. Main emphasis will be on data-center critical cooling applications such as chillers CDUs (coolant distribution units) and related refrigerant/hydronic systems.

As an HVAC & Liquid Cooling System Architect within Jabil you will work with the BUs and Sales team to engage with customers assess product technologies and manufacturing complexities and provide guidance to the BU and Sales teams in developing the appropriate Jabil solutions and capabilities to support business opportunities and strategic partnerships.

The SA/SME will lead system-level architecture requirements and trade-offs in the front-end of design set the technical direction and align clear handoff packages to development and factory teams. He/she will ensure solutions will meet performance safety compliance energy-efficiency and manufacturability targets leveraging Jabils global footprint and quality systems.

Location:

This role can be based on-site at our St. Petersburg FL Gandy Lab with relocation assistance to St. Pete as a possibility for the right person or the team is open to someone remotely based anywhere in the U.S. with occasional travel to the St. Pete Gandy Lab. There will also be some occasional travel to customer sites (roughly 15-20% altogether) depending on business needs and projects.

What Will You Do

System Architecture & Requirements

• Drive system concepts and partitioning; define architecture and configuration baselines interfaces and KPIs for HVAC systems chillers and CDU-based liquid-cooling platforms.

• Translate market and customer needs into system-level requirements with validation traceability; maintain system block diagrams and ICD (interface control documents)

• Execute early trade-off analyses (cost schedule efficiency capacity performance and footprint) and maintain compliance matrices / risk registers

Controls Connectivity & Interoperability

• Define control architecture (sensors/actuators supervisory control sequencing alarms) BMS/DCIM integration and protocol strategies (BACnet/IP Modbus TCP/RTU SNMP)

• Incorporate cybersecurity requirements and network segregation for connected equipment.

Customer Engagement & Business Support

• Lead technical discovery drive performance/cost/schedule feasibility studies and present trade-offs and recommendations to both external and internal stakeholders

• Support competitive proposals (RFI/RFQ/RFP) and contribute to SOW and ROM estimates.

Design Reviews & Cross-Functional Collaboration

• Lead multi-disciplinary design reviews (mechanical thermal hydraulic controls electrical firmware manufacturing test)

• Align architecture concepts and tradeoffs with customer and Jabil executives/stakeholders; create handoff architecture packages for development teams.

• Provide DFMEA/PFMEA inputs and conduct technical reviews to ensure performance safety reliability and field serviceability

Compliance Codes & Standards

• Ensure designs address applicable ASHRAE requirements and Handbook guidance

• Architect for product safety compliance for HVAC/chiller/CDU platforms with standards and codes applicable to product scope and region

Thermal/Acoustics & System Analysis

• Support HVAC and liquid-cooling system modeling and analyses (loads thermal transients refrigerant circuit selection hydraulic loops heat-exchanger sizing airflow/CFD acoustics and partial-load efficiency).

• Support component selections (compressors heat exchangers pumps valves filtration sensors and controls hardware) and ensure reliability serviceability and lifecycle considerations.

DFX Manufacturing Transfer & Supply Chain

• Architect for DFM/DFA/DFT part reuse commodity strategies and supply chain resilience; support build readiness (prototype/pilot/ramp) and resolve factory integration issues.

• Align with sourcing on vendor roadmaps; anticipate obsolescence regulatory and regionalization risks; support cost modeling and BOM sourcing strategies for critical cooling components and long-lead items.

How Will You Get Gere

Education:

• Bachelors degree in Electronics/Energy/Controls/Mechatronics or related field is required

• Masters degree in a related discipline is a plus

• ASHRAE Membership/certification is a plus

Experience:

• 10 years of experience in thermal management product and system design (commercial/industrial) including 5 years in systems architecture or platform leadership with proven front-end design ownership

• Experience with data-center critical cooling chillers CDUs or closely related liquid-cooling infrastructure is strongly preferred

Knowledge Skills Abilities:

• Strong knowledge of HVAC and cooling topologies (chillers hydronic systems CDUs pump skids refrigerant-based systems) thermodynamics hydraulics and acoustics.

• BMS/DCIM protocol expertise (BACnet Modbus SNMP); familiarity with gateways and secure IP/cloud integration patterns.

• Familiarity with relevant simulation tools (MATLAB/Simulink EnergyPlus) and CFD/FEA tools (ANSYS Fluent / Icepak)

• Excellent English communication (written/verbal); able to present to customers and internal stakeholders with clear technical trade-off narratives and strong executive-level communication.

• Comfortable coordinating across time zones and cultures; drive alignment among remote teams.

• Organized proactive and outcome-focused; able to mentor engineers and elevate cross-functional collaboration across design manufacturing sourcing quality and customer teams.

• Ability to travel (internationally and domestically) to customers events workshops external labs and Jabil manufacturing locations during key project phases.

Benefits You Will Receive While Working With Jabil:

Along with growth stability and the opportunity to be challenged Jabil offers a competitive benefits package that includes:

• Medical Dental Prescription Drug and Vision Insurance with HRA and HSA options

• 401K match

• Employee Stock Purchase Plan

• Paid Time Off

• Tuition Reimbursement

• Life AD&D and Disability Insurance

• Commuter Benefits

• Employee Assistance Program

• Pet Insurance

• Adoption Assistance

• Annual Merit Increases

• Community Volunteer Opportunities

The pay range for this role is $126100 - $227000. 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: August 31 2026.

As part of the total rewards package this position is eligible for a short-term incentive based on 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.

BE AWARE OF FRAUD: When applying for a job at Jabil you will be contacted via correspondence through our official job portal with a e-mail address; direct phone call from a member of the Jabil team; or direct e-mail with a 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 drivers 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.

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