Mechanical Design Engineer/Architect for HVAC Systems

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.

Jabil is seeking a Mechanical Design Engineer/Architect for HVAC Systems to work in our offices in St. Petersburg, FL.

How will you make an impact? 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.

What will you do?

• 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 tradeoffs 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.

How will you get here?

Education & Experience:

• 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.

Knowledge, Skills, Abilities:

• Strong knowledge of different HVAC topologies (heat pumps, chillers, AHUs, VRF, hydronics), refrigerants, thermodynamics and acoustics.
• Familiarity with relevant simulation tools (MATLAB-Simulink, EnergyPlus) or CFD/FEA tools (ANSYS Fluent) is 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%.

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

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 or calling 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.

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