Principal Mechanical Engineer - Air Traffic Solutions (Onsite)

Job ID: 01828356Posted: Posted 30+ Days AgoStart Date: 2026-03-27Location: US-MA-MARLBOROUGH-MA3 ~ 1001 Boston Post Rd ~ BLDG 3Country: United States of AmericaTime Type: Full timeDate Posted:2026-03-27Country:United States of AmericaLocation:US-MA-MARLBOROUGH-MA3 ~ 1001 Boston Post Rd ~ BLDG 3Position Role Type:OnsiteU.S. Citizen, U.S. Person, or Immigration Status Requirements:U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.Security Clearance Type: None/Not RequiredSecurity Clearance Status: Not RequiredJoin 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 structuresPerform and/or oversee preliminary and detailed design activities, ensuring the technical integrity of products meeting all program requirementsLead 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 followedConduct 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 wholeMentor junior engineers along the development cycle of a product, instilling engineering excellence by capturing lessons learned and documenting best practicesInterface with other disciplines (Configuration Management, Software Engineering, Systems Engineering, Supply Chain) in support of product developmentOpportunities to lead hardware development engineers in support of Engineering Change ProposalsQualifications You Must Have:Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience oran Advanced Degree in a related field and minimum 5 years of experienceExperience completing technical documentation relating to Configuration Control, Change Management, Trade Studies, Preliminary and Detailed Design artifacts and presentationsAdvanced experience with Design for Manufacturing and Assembly (DFMA)Proficient in 3D modeling and drawing creation in Creo, including GD&T and tolerance analysisProficient with cable designMust have an understanding of engineering materials and production methods relevant to themPrior 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/contractQualifications We Prefer:Experience designing for the integration of COTS devicesThermal and structural analysisExperience with transition to productionProject or Team Lead experienceEarned Value Management (EVM) experienceWhat We Offer:Some of our competitive benefits package includes:  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, ID theft 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. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.The salary range for this role is 107,500 USD - 204,500 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, 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, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window.RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. 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