Mechanical Engineer II

RTX

. Contribute mechanical engineering expertise to mission-critical defense systems across radar, missile, and command-and-control platforms .

Posted 10/2/2026full-timeTewksbury • Massachusetts • United StatesMid-LevelSenior💰 $68,900 - $131,100 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in mechanical engineering for defense systems, with a strong focus on parametric 3D CAD modeling, design validation, and collaboration across multidisciplinary teams. Holds a Master's degree in a STEM discipline and possesses an active U.S. government-issued security clearance.

Highest-signal resume keywords

Parametric 3D CAD SoftwareMechanical DesignRapid PrototypingGD&T PrinciplesU.S. Government-Issued Security Clearance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Mechanical Engineering3D Solid ModelingMechanical Assembly2D Engineering DrawingsDesign Verification TestingEngineering SimulationsStructural AnalysisThermal AnalysisAdditive ManufacturingMechanical Fabrication

Soft Skills

Problem-Solving AptitudeCollaboration

Tools & Technologies

SolidWorksPTC CreoAutodesk InventorCATIASiemens NX

Certifications & Qualifications

Master's Degree in Mechanical EngineeringDoD Secret ClearanceU.S. Citizenship

Industry Keywords

Defense SystemsRadarMissileCommand-and-Control PlatformsDesign Peer ReviewsTrade StudiesFactory OperationsIntegration FacilitiesMultidisciplinary Engineering

Tech Stack

Tools & technologies

Assembly

About the role

Key responsibilities & impact

Contribute mechanical engineering expertise to mission-critical defense systems across radar, missile, and command-and-control platforms
Participate across the product lifecycle, from concept design and structural/thermal analysis to rapid prototyping, design verification testing, and factory support
Design, model, and document mechanical components, sub-assemblies, and major end items
Generate and maintain parametric 3D CAD models, complex assembly hierarchies, and detailed 2D engineering drawings
Validate design fit, form, and functionality through rapid prototyping, physical testing, and engineering simulations
Support factory operations, integration facilities, and external suppliers with product manufacturing, assembly, and integration
Participate in design peer reviews, resolve technical action items, and conduct trade studies
Collaborate with systems, electrical, manufacturing, and other multidisciplinary engineering teams to resolve mechanical hardware issues
Travel occasionally within the continental United States to customer sites or suppliers; international and longer-duration travel is optional

Requirements

What you’ll need

Master’s degree in Science, Technology, Engineering, or Mathematics (STEM) discipline; degree must be obtained by start date
Experience utilizing parametric 3D CAD software such as SolidWorks, PTC Creo, Autodesk Inventor, CATIA, or Siemens NX
Experience generating 3D solid models, mechanical assemblies, and detailed 2D engineering drawings
Experience in mechanical design through coursework, academic research, engineering competition teams, or hands-on projects
Active and transferable U.S. government-issued security clearance required prior to start date
U.S. citizenship required
Ability to obtain an INTERIM U.S. government-issued security clearance required prior to start date
DoD Secret clearance
Master’s degree in Mechanical Engineering or Aerospace Engineering preferred
Cumulative GPA of 3.0 or higher from an ABET-accredited institution preferred
Knowledge or application of GD&T principles per ASME/ANSI Y14.5 preferred
Hands-on experience in rapid prototyping and mechanical fabrication preferred
Experience with additive manufacturing or machine shop equipment preferred
Demonstrated problem-solving aptitude applied to structural, thermal, or multidisciplinary hardware challenges preferred

Benefits

Comp & perks

Relocation Eligible
Medical insurance
Dental insurance
Vision insurance
Life insurance
Short-term disability
Long-term disability
401(k) match
Flexible spending accounts
Flexible work schedules
Employee assistance program
Employee Scholar Program
Parental leave
Paid time off
Holidays
Annual short-term and/or long-term incentive compensation programs (eligibility dependent on position and collective-bargaining coverage)