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Mechanical Engineer II - Thermal Systems

Leonardo DRS
High Ridge, MO Full Time
POSTED ON 1/2/2026
AVAILABLE BEFORE 4/1/2026
Job ID: 112524

Leonardo DRS is a prime contractor, leading technology innovator and supplier of integrated products, services and support to military forces, intelligence agencies and defense contractors worldwide. The company specializes in naval and maritime systems, ground combat mission command and network computing, global satellite communications and network infrastructure, avionics systems, and intelligence and security solutions. Additionally, the company builds power systems and electro-optical/infrared systems for a wide range of commercial customers. Headquartered in Arlington, Virginia, Leonardo DRS is a wholly owned subsidiary of Leonardo S.p.A. For additional information on DRS, please visit our website at www.leonardodrs.com

Company Overview

DRS Marlo Coil manufactures robust heat transfer, refrigeration, and air handling equipment for industrial, commercial, utility and marine markets. Our custom engineered heat transfer solutions are used in a variety of configurations to cool, heat, and dehumidify air streams for process and building comfort. We pride ourselves on having equipment on most surface combatant ships and submarines in the U.S. Navy fleet. Additionally, DRS Marlo Coil is positioned for significant growth in the Industrial/Commercial markets.

For more information on Leonardo DRS, please visit www.leonardodrs.com, and for more information on our Commercial/Industrial business, please visit: www.marlocoil.com.

Job Summary

Join us as a Mechanical Engineer II, responsible for the development, testing and analysis of a variety of HVAC&R products for both commercial and defense markets including heat exchanger coils, rugged air conditioning systems, refrigeration plants, and air handling systems. This position will be responsible for supporting product development and proposals; heat transfer analysis; sizing and selecting components; creating associated documentation; and supporting product testing, qualification, and production. Analysis support will involve interpretation of test results, basic thermodynamic calculations, and carrying out software simulations to predict performance of a range of equipment.

Job Responsibilities

  • Perform heat transfer, thermodynamic, material & energy balance, and fluid system analysis
  • Support projects and proposals for the development and support of HVAC&R equipment, especially heat exchangers, air conditioning, refrigeration, and air handling systems
  • Support system design through flowsheet (P&ID) development
  • Refrigeration system analysis and component selection
  • Support testing, qualification, documentation and analysis of prototypes, products, systems or subsystems
  • Create piping/plumbing layouts for equipment tests
  • Review customer specifications and requirements in support of bids and proposals and development of compliant designs
  • Specify and evaluate supplier components, subsystems, and services
  • Support rapid prototyping of development projects
  • Coordinate test schedules with lab, engineering and production
  • Suggest improvements and support lab system upgrades

Education & Experience Requirements

  • Bachelor’s Degree in mechanical engineering, chemical engineering, or related technical field
  • Comfortable and competent writing and creating technical documentation
  • Competent using MS Office, especially Excel
  • Experience designing and analyzing mechanical components, systems and equipment, preferably HVAC&R (air conditioning, air handling, chillers and refrigeration) equipment
  • Experience designing, selecting components and working with fluid handling systems including pumps, control valves, fittings, and/or other fluid handling systems
  • Experience using or designing LabView systems
  • Experience designing defense products, especially for the US Navy

U.S. Citizenship required.

Taking care of our people is a top priority at Leonardo DRS. We are proud to offer 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. We champion wellness programs that focus on physical, emotional, and financial well-being. We develop our talent by offering programs and activities to support career-growth, professional development, and skill enhancement. And we understand there is more to life than work, and the importance of offering flexible work schedules with our 9/80 program, competitive vacation, health/emergency leave, paid parental leave, and community service hours.

Leonardo DRS, Inc. and its subsidiaries provide equal opportunities to all employees and applicants for employment and prohibit discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws.

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Salary.com Estimation for Mechanical Engineer II - Thermal Systems in High Ridge, MO
$95,298 to $115,513
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