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Principal Mechanical Engineer - Air Traffic Solutions; Onsite

Job in Marlborough, Middlesex County, Massachusetts, 01752, USA
Listing for: Raytheon
Full Time position
Listed on 2026-07-01
Job specializations:
  • Engineering
    Systems Engineer, Mechanical Engineer, Engineering Design & Technologists, Aerospace / Aviation / Avionics
Job Description & How to Apply Below
Position: Principal Mechanical Engineer - Air Traffic Solutions (Onsite)

Principal Mechanical Engineer

Join a team whose impact stretches across the world, and even beyond! Collins Aerospace, an RTX company, is a leader in advanced technologically and intelligent solutions for the global aerospace and defense industry. Collins Aerospace is a world leader in air traffic sensors and automation systems, responsible for providing air traffic tools to ANSPs in the US and abroad. We design, develop, document, deploy, and support COTS-based and custom designed systems, which use the power of the network to share information and aid in decision-making.

These systems allow end users to protect people and property.

As a Principal Mechanical Engineer, you will join our Hardware Engineering Team as part of our Connected Aviation business. This is an opportunity to join a team supporting the next generation Air Traffic Control (ATC) systems, as well as providing support to existing fielded systems. We are seeking a mechanical engineer with experience in electronic design, comfortable working with commercial off-the-shelf and custom hardware designs to achieve system requirements.

This opportunity requires a combination of classic design techniques, modern electronics knowledge, and hands-on prototyping skills.

What You Will Do:

  • Perform analysis, qualification and acceptance testing on components, assemblies, mechanical fixtures and/or structures
  • Perform and/or oversee preliminary and detailed design activities, ensuring the technical integrity of products meeting all program requirements
  • Lead or participate as an independent reviewer in peer reviews to ensure documented processes are followed, work products are validated for producibility and affordability, and proper documentation standards are followed
  • Conduct testing activities in the lab in support of Engineering Change Proposals. Testing includes prototype development and evaluation as well as integration testing in the system as a whole
  • Mentor junior engineers along the development cycle of a product, instilling engineering excellence by capturing lessons learned and documenting best practices
  • Interface with other disciplines (Configuration Management, Software Engineering, Systems Engineering, Supply Chain) in support of product development
  • Opportunities to lead hardware development engineers in support of Engineering Change Proposals

Qualifications You Must Have:

  • Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience
  • Experience completing technical documentation relating to Configuration Control, Change Management, Trade Studies, Preliminary and Detailed Design artifacts and presentations
  • Advanced experience with Design for Manufacturing and Assembly (DFMA)
  • Proficient in 3D modeling and drawing creation in Creo, including GD&T and tolerance analysis
  • Proficient with cable design
  • Must have an understanding of engineering materials and production methods relevant to them
  • Prior experience collaborating in a multi-functional environment (ex: field engineering, supply chain, suppliers, customers)
  • U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract

Qualifications We Prefer:

  • Experience designing for the integration of COTS devices
  • Thermal and structural analysis
  • Experience with transition to production
  • Project or Team Lead experience
  • Earned Value Management (EVM) experience

What We Offer :

  • Medical, dental, and vision insurance
  • Three weeks of vacation for newly hired employees
  • Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
  • Tuition reimbursement program
  • Student Loan Repayment Program
  • Life insurance and disability coverage
  • Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal,  protection
  • Birth, adoption, parental leave benefits
  • Ovia Health, fertility, and family planning
  • Adoption Assistance
  • Autism Benefit
  • Employee Assistance Plan, including up to 10 free counseling sessions
  • Healthy You Incentives, wellness rewards program
  • Doctor on Demand, virtual doctor visits
  • Bright Horizons, child and elder care services
  • Teladoc Medical Experts, second opinion program
  • And more!

At Collins, the paths we pave together lead to limitless possibility. And the bonds we form – with our customers and with each other -- propel us all higher, again and again.

Apply now and be part of the team that's redefining aerospace, every day.

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