Mechanical Design Engineer​/Architect HVAC Systems

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.

to work in our offices in St. Petersburg, FL.

As an HVAC System Engineer/Architect with Jabil, you will work with the Business Units and the Sales team to engage various HVAC customers, assess product technologies and manufacturing complexities. You will also provide guidance to the Business Unit and Sales teams in developing the appropriate Jabil solutions and capabilities to support business opportunities, including establishing strategic partnerships as part of the overall solution.

• Drive system concepts and partitioning.

• Translate market and customer needs into system-level requirements with validation traceability.

• Execute early trade‑off analyses (cost, efficiency, volume, schedule).

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

• Align architecture concepts and trade‑offs with customer and Jabil executives/stakeholders.

• Ensure designs address applicable ASHRAE requirements and Handbook guidance.

• Architect for product safety compliance for heat pumps/AC (example: UL/IEC 60335‑2‑40).

• Guide component selections (compressors, heat exchangers, fans, pumps, valves, sensors) and ensure reliability, serviceability, and lifecycle considerations.

• May perform other duties and responsibilities as assigned.

• Bachelor’s degree in Mechanical Engineering, Controls Engineering, Mechatronics or other similar related discipline is required. Master’s degree in a related discipline is a plus.

• At least 12 years of experience in HVAC product/system design (commercial/industrial) or other combination of education and experience.

• A minimum of 5 years of experience in systems architecture or platform leadership with proven front‑end design ownership.

• Supervisor or leadership skills is preferred.

• Knowledge of ASHRAE (55/62.1/90.1/15) and UL/IEC 60335‑2‑40 certification/compliance. ASHRAE Membership/certification is a plus.

• Strong knowledge of different HVAC topologies (heat pumps, chillers, AHUs, VRF, hydronics), refrigerants, thermodynamics and acoustics.

• Familiarity with relevant simulation tools (MATLAB‑Simulink, Energy Plus) or CFD/FEA tools (ANSYS Fluent) a plus.

• Strong communication skills both verbal and written.

• Comfortable coordinating across time zones and cultures.

• Strong organization skills with the ability to be proactive while also being focused on the outcome.

• Willingness to travel domestically and internationally up to about 25%.

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 $156,400 - $281,500. 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:
May 02, 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…