Principal Mechanical Engineer, Military Air Traffic Control; ATC; Onsite

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

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

Date Posted:

Position Role Type: Onsite

U.S. Citizenship

Required:

Yes, as only U.S. citizens are eligible for a security clearance.

Security Clearance: DoD Clearance – Secret

• 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.

• Typically requires:
  Bachelor’s degree in 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, Solid Works) 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.

• 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.

Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Our Mission Systems team helps civilian, military and government customers complete their most complex missions.

Our benefits include:

• Medical, dental, and vision insurance
• Three weeks of vacation for newly hired employees
• Generous 401(k) plan with employer matching funds
• Tuition reimbursement program
• Student loan repayment program
• Life insurance and disability coverage
• Optional coverages: 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, 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!

Salary Range: 101,000 USD – 203,000 USD.

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.

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.

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.

Confidentiality:
This job is open until approximately 40 days after posting. After that, we may close the posting.

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