Principal Mechanical Engineer, Military Air Traffic Control (ATC) (Onsite)

Date Posted:

2025-11-13

Country:

United States of America

Location:

MA803: Marlborough, MA Building 3 1001 Boston Post Road Building 3, Marlborough, MA, 01752 USA

Position Role Type:

Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:

The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance:

DoD Clearance: Secret

Raytheon Company, Managed by Collins Aerospace

Collins Aerospace is seeking a highly skilled and experienced Principal Mechanical Engineer Lead with expertise mechanical hardware design, development, and integration efforts for a next-generation Military Air Traffic Control (ATC) System.

This is an Onsite position at our Marlborough, MA site, relocation is not provided.

What you will do:

• Lead the design, analysis, development, and testing of complex mechanical systems and components.
• Develop and review detailed engineering drawings, documentation, and specifications to ensure compliance with applicable standards and requirements.
• Provide technical leadership and mentorship to junior engineers and cross-functional teams.
• Conduct root cause analysis and implement corrective actions for mechanical system issues.
• Oversee the integration of mechanical systems into larger assemblies and ensure seamless operation.
• Collaborate with cross-disciplinary teams, including electrical, systems, and manufacturing engineers.
• Support manufacturing and production teams by providing expertise in design for manufacturability and assembly.
• Conduct technical reviews, trade studies, and risk assessments to drive project success.
• Ensure compliance with all safety, quality, and regulatory standards.

Qualifications You Must Have:

• Typically requires: Bachelor’s degree (typically in Science, Technology, Engineering or Mathematics (STEM)) and a minimum of 8 years of prior relevant experience unless prohibited by local laws/regulations OR  Advanced Degree in a related field and minimum 5 years of experience
• 8+ years of relevant professional experience in mechanical design, analysis, and development.
• Proficiency in CAD tools (e.g., Creo, CATIA, SolidWorks) and FEA software (e.g., ANSYS, Abaqus).
• Strong understanding of mechanical engineering principles, including materials science, thermodynamics, and structural mechanics.
• Proven ability to lead engineering projects and coordinate with multidisciplinary teams.
• Excellent problem-solving skills and a commitment to delivering high-quality work.
• Strong written and verbal communication skills, including the ability to present technical information to multiple audiences.
• The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

Qualifications We Prefer:

• Master’s degree in Mechanical Engineering or a related field.
• Experience in the aerospace or defense industry.
• Expertise in advanced manufacturing processes, such as additive manufacturing, composites, or high-temperature materials.
• Familiarity with industry standards and practices (e.g., ASME, MIL-STD, ANSI).
• Demonstrated success in mentoring and developing junior engineers.
• Experience with model-based systems engineering (MBSE) and digital engineering tools.

What We Offer :

Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market.

Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions — whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part to play in ensuring our customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today.

WE ARE REDEFINING AEROSPACE.

*Please ensure the role type (defined below) is appropriate for your needs before applying to this role

Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products.

Regardless of your role type, collaboration and innovation are critical to our business and all employees will have access to digital tools so they can work with colleagues around the world – and access to Collins sites when their work requires in-person meetings.

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 101,000 USD - 203,000 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. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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