Senior Mechanical Engineer - Chiller Systems

Leonardo DRS; High Ridge (MO); On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

Health coverage

401(k) plan

9/80 schedule

Parental leave

Job summary

Leonardo DRS in High Ridge, MO is seeking a Senior Mechanical Engineer to lead the development of marine, water-cooled chiller systems and new products such as heat exchangers and HVAC&R equipment for commercial and defense markets.

You will drive design efforts, oversee supplier evaluation, create technical documentation, and mentor junior engineers while ensuring compliance with Navy and MIL standards. U.S. Citizenship is required and security clearance may be needed.

Qualifications

• Bachelor’s degree in Mechanical Engineering or related technical field.
• Experience designing chiller systems, especially centrifugal water-cooled chiller systems.
• Experience leading engineering projects, especially new system developments.
• Knowledge of LGWP refrigerants used in HVAC&R systems.
• Ability to create technical documentation for fabrication and delivery.

Responsibilities

• Lead and support development of marine chiller systems, including centrifugal compressors.
• Engineer HVAC&R equipment sizing, selection, and performance predictions.
• Specify and evaluate supplier components and services.
• Participate in supplier scouting and engagement for new projects.
• Develop design approaches to meet production requirements and propose improvements.
• Investigate and resolve product or process issues.
• Prepare manufacturing drawings, BOMs, and supporting documentation.
• Review customer specifications and develop compliant designs for bids.
• Create technical documentation, manuals, and procedures.

Skills

Chiller design

Centrifugal systems

HVAC&R engineering

Project leadership

Technical documentation

Supplier evaluation

Education

Bachelor’s Degree in Mechanical Engineering

Tools

PTC Creo

AutoCAD Mechanical 2D

PLM platforms

Job description

Senior Mechanical Engineer | Chiller Systems

Location: High Ridge, MO, US, 63049

Job ID: 114912

Job Summary

Join our High Ridge, MO Engineering team as a Senior Mechanical Engineer primarily focused on developing marine, water‑cooled chiller systems. In this role, you will lead the development of new products (heat exchangers, heating, air conditioning, refrigeration, and air handling systems for commercial and defense markets) and support legacy products.

What You Will Do

• Lead and support projects in the development of marine chiller systems including centrifugal compressor systems.
• Engineering of HVAC&R equipment for component sizing, selection, and performance predictions.
• Specify and evaluate supplier components, subsystems, and services.
• Participate in supplier scouting, evaluation and engagement activities in support of new projects.
• Evaluate and recommend design approaches to meet production requirements for new or improved products or services.
• Investigate and recommend solutions to product or process problems.
• Support development of product designs, manufacturing drawings, bills of material and associated supporting documentation for fabrication and delivery of products and prototypes.
• Review customer specifications and requirements in support of bids and proposals and develop compliant designs for product development.
• Develop technical documentation, manuals, and procedures.

Education Requirements

• Bachelor’s Degree in Mechanical Engineering or related technical field.
• Experience designing chiller systems, especially centrifugal water‑cooled chiller systems, and a strong understanding of the theory of operation of both.
• Experience leading engineering projects especially developing new systems.
• Knowledge of standards and LGWP refrigerants used in HVAC&R systems.
• Engineering or design experience with mechanical equipment, assemblies and components including machined components, welded structures; comfortable and competent writing and creating technical documentation.

Additional Desired Qualifications

• Experience with HVAC&R (air conditioning, air handling and refrigeration) equipment and suppliers.
• Experience designing and drafting with PTC CREO, AutoCAD Mechanical 2D or similar CAD/PLM platforms.
• Basic experience creating drawings (drafting) following ASME Y14.100 and associated documentation such as bill of materials.
• Understanding of ASHRAE test requirements and certification of Air Conditioning, Refrigeration, and Air Handling systems.
• Experience conducting product design/technology reviews with customers and capturing product needs.
• Experience designing defense products, especially for the US Navy and good working knowledge of Navy/MIL Standards.

U.S. Citizenship required. This position may require an active DOD security clearance or the ability to obtain such clearance within a reasonable time after commencement of employment.

Benefits and Diversity

• Competitive salaries and comprehensive benefits, including medical, dental, and vision coverage, a company contribution to a health savings account, telemedicine, life and disability insurance, legal insurance, and a 401(k) savings plan.
• Wellness programs that focus on physical, emotional, and financial well‑being.
• Offer programs and activities to support career‑growth, professional development, and skill enhancement.

Offer flexible work schedules with our 9/80 program, competitive vacation, health/emergency leave, paid parental leave, and community service hours.