Senior Mechanical Cooling Engineer

RTX

. Establish cooling systems requirements collaboratively with customers .

Posted 10/14/2026full-timeRemote • Massachusetts • United StatesSenior💰 $86,800 - $165,200 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in cooling systems design and analysis, with a strong foundation in thermodynamics and fluid mechanics. Proficient in solid modeling tools and experienced in managing engineering projects related to liquid and air cooling systems.

Highest-signal resume keywords

Cooling Systems DesignThermodynamicsSolid Modeling ToolsEngineering Project ExperienceDoD Secret Security Clearance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

ThermodynamicsFluid MechanicsHeat TransferCooling Systems EngineeringGeometric Dimensioning and TolerancingProduct Data ManagementConfiguration ManagementChange ManagementComponent SelectionDocument Generation

Soft Skills

CollaborationProblem SolvingCommunicationAdaptabilityAttention to Detail

Tools & Technologies

Pro/EngineerSolidWorksAutoCADAutodesk InventorMicrosoft WordMicrosoft ExcelMicrosoft PowerPoint

Certifications & Qualifications

U.S. CitizenshipDoD Secret Security Clearance

Industry Keywords

Cooling SystemsLiquid CoolingAir CoolingRadar FabricationManufacturing StandardsInternational TravelANSI 14.5M – 1994

About the role

Key responsibilities & impact

Establish cooling systems requirements collaboratively with customers
Design, analyze, and document cooling hardware and systems
Select components including pumps and heat exchangers
Generate, release, and incorporate changes into drawings
Resolve change requests from manufacturing or suppliers
Ensure products and processes meet applicable standards and requirements
Support product integration at domestic and international factories and suppliers
Support custom liquid-cooled systems for radar fabrication, testing, and installation
Support custom air-cooling of power and communication shelters
Travel to Raytheon sites, suppliers, government facilities, and foreign facilities as needed

Requirements

What you’ll need

STEM degree and minimum 5 years of relevant prior experience, or an advanced degree in a related field and minimum 3 years’ experience
Experience in thermodynamics, fluid mechanics, and/or heat transfer
Engineering project experience involving cooling systems, liquid cooling, or air cooling
Experience with solid modeling tools such as Pro/Engineer, SolidWorks, AutoCAD, Autodesk Inventor, or similar
U.S. citizenship required
Ability to obtain and maintain a U.S. government-issued security clearance
Active and existing DoD Secret security clearance required after day 1
Willingness to travel domestically and internationally
Willingness to travel to the Middle East, Asia, and Europe
Experience with ANSI 14.5M – 1994 (1982), geometric dimensioning and tolerancing
Proficiency in Product Data Management or equivalent configuration/data management software
Experience with Microsoft Word, Excel, and PowerPoint

Benefits

Comp & perks

Healthcare, wellness, and work/life benefits
Parental (including paternal) leave
Flexible work schedules
Achievement awards
Educational assistance
Child/adult backup care
Relocation assistance
Medical, dental, and vision insurance
Life insurance
Short-term disability
Long-term disability
401(k) match
Flexible spending accounts
Employee assistance program
Employee Scholar Program
Paid time off
Holidays
Potential annual short-term and/or long-term incentive compensation programs