Product Development Engineer III

Lennox International • Stone Mountain, GA

2d • Onsite

About The Position

The Product Development Engineer III designs and develops commercial refrigeration equipment, including condensing units, unit coolers, and air-cooled condensers. The role supports production through maintenance engineering, investigates products in response to customer inquiries, and implements and tests refrigeration control systems. It involves selecting and sizing system components, designing refrigerant piping, calculating refrigeration loads, developing test procedures, and qualifying equipment for applicable agency certifications.

The engineer applies advanced mechanical engineering methods to complex technical problems and serves as a liaison between the laboratory and Engineering. The role leads teams through testing challenges, coordinates engineers, CAD designers, and technical support staff, and manages engineering tasks for multistage product development projects. The position also involves managing multiple projects and schedules, working with internal and external customers and suppliers, documenting best practices, interpreting safety and performance standards, and using SAP and engineering tools to support product development. Travel is expected 5–10% of the time.

Requirements

• At least 3 years of relevant work experience in refrigeration/HVAC design and development.
• Experience with HVAC/R systems design, development, and qualification.
• Knowledge of design techniques, tools, and principles used to produce precision technical plans, blueprints, drawings, and models.
• Strong technical expertise in refrigeration-system design, testing, and certification, and understanding of system applications.
• Strong attention to detail and accuracy.
• Excellent verbal and written communication skills.
• Proficiency with Microsoft Office applications.
• Ability to prioritize and manage several projects simultaneously while adhering to project schedules.
• Ability to work with component suppliers and on cross-functional teams.
• Flexibility, ability to multitask in a fast-paced environment, and strong organizational skills.

Nice To Haves

• Bachelor’s degree in mechanical engineering is preferred.
• Knowledge of electromechanical control systems.
• Experience with SAP.
• CAD experience.

Responsibilities

• Design and develop commercial refrigeration equipment, including condensing units, unit coolers, and air-cooled condensers.
• Support production through maintenance engineering.
• Conduct product investigations in response to customer inquiries.
• Implement and test refrigeration control systems.
• Size and select compressors, valves, air movers, motors, heat exchangers, and other system components.
• Design refrigerant piping systems and calculate refrigeration loads based on refrigerant properties.
• Develop test procedures for new units and qualify equipment against applicable agency certification requirements.
• Apply advanced mechanical engineering design methods, theories, and research techniques to investigate and solve complex technical problems.
• Act as a liaison between the laboratory and Engineering, and lead the team in addressing testing challenges and developing solutions for future product testing.
• Coordinate the efforts of engineers, CAD designers, and technical support staff.
• Manage multiple projects and tasks, including schedules and goals, and lead engineering tasks for multistage product development projects.
• Review literature, patents, and current practices relevant to assigned projects.
• Document best practices for use by peers and use engineering tools and calculations to complete tasks.
• Interpret safety and performance standards and select components for electromechanical and electronic control systems.
• Identify or create engineering tools to improve efficiency.
• Create plans and initiate requests for product-design testing; develop test plans and work with laboratory personnel on performance, reliability, and safety-agency testing, including UL and NSF testing.
• Work with internal and external customers to understand requirements and translate them into engineering actions.
• Travel 5–10%.

Benefits

• Annual bonus, subject to the applicable company plan.
• Tuition reimbursement.
• Medical, dental, and vision insurance.
• Prescription drug coverage.
• 401(k) retirement plan.
• Short-term disability insurance.
• Eight weeks of paid birthing leave.
• Two weeks of paid bonding leave.
• Life and long-term disability insurance.
• Up to 12 days of paid time off, depending on hire date and eligibility.
• Two paid well-being days, depending on hire date and eligibility.
• One paid volunteer day, depending on hire date and eligibility.
• 10–11 paid holidays, depending on hire date and eligibility.
• Three floating holidays per year, depending on hire date and eligibility.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level