Senior Mechanical Manufacturing Engineer; Onsite

Senior Mechanical Manufacturing Engineer (Onsite)

Join Collins Aerospace as a Senior Mechanical Manufacturing Engineer in Windsor Locks, CT. This onsite role focuses on manufacturing highly complex assemblies for Space and Sea, including heat exchangers, pumps, fans, and pressurized accumulators.

Location: Building 01, One Hamilton Road, Windsor Locks, CT 06096, USA
Posted: 2025‑12‑04
Country: United States of America
Position Type: Onsite
Security Clearance: None/Not Required
Citizen Requirement: U.S. citizenship required

Collins Aerospace, a Raytheon Technologies company, is a leader in advanced aerospace and defense solutions. The Senior Mechanical Manufacturing Engineer works on the manufacturing of complex assemblies for Life Support and Thermal Control applications, supporting external suppliers and continuous improvement initiatives.

• Determine mechanical manufacturing methods and ensure process availability.
• Create manufacturing assembly documentation, concept tools, and provide technical assistance for high‑quality hardware assembly.
• Support failure investigations, root‑cause analysis, corrective actions, and disposition of non‑conforming hardware.
• Develop sequences for complex operations and installations, specifying procedures for tool fabrication, repairs, and disassembly/assembly.
• Ensure compliance with Environmental, Health & Safety and quality requirements.
• Identify opportunities to improve products or reduce costs using fabrication, tooling, and production equipment knowledge.
• Perform cost estimates, schedule work, and write procedures and policies.
• Review drawings and concepts, resolving producibility concerns and recommending new technologies.
• Collaborate within an integrated product development team and design environment.
• Present to senior management on initiatives such as ACE, Process Certification, Manufacturing Process Reviews, Lean Manufacturing, and EH&S projects.
• Maintain a positive attitude and effective communication with team, staff, and management.

• University degree with at least 5 years of relevant experience, or an advanced degree with at least 3 years of experience.
• Experience in small‑scale manufacturing, robotics, or aerospace.

• Familiarity with a modeling and/or design package such as Creo.
• Knowledge of Lean Manufacturing, machining concepts, and special processing such as welding and brazing.
• Strong knowledge of continuous improvement methods (Six Sigma, Taguchi, DMAIC, Ishikawa, Fault Tree Analysis).
• Experience with an MRP (Manufacturing Resource Planning) system.
• Previous experience in Life Support and/or Thermal Control hardware.
• Solumina / SAP experience.

• Medical, dental, and vision insurance
• Three weeks of vacation for newly hired employees
• Generous 401(k) plan with employer matching and separate retirement contribution, including a Lifetime Income Strategy option
• Tuition reimbursement program
• Student Loan Repayment Program
• Life insurance and disability coverage
• Optional coverages: pet, home, 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
• Additional benefits available (relocation assistance may be available)

This position is considered safety sensitive in accordance with NASA Guidelines. Candidates will be subject to drug and alcohol testing per NASA’s regulation SUBPART 1835.5 Drug‑Free Workforce.

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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