Mechanical Manufacturing Engineer

Collins Aerospace; Windsor Locks (CT); On-site; USD 87,000 - 165,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Three weeks of vacation

Generous 401(k) plan with match

Job summary

Collins Aerospace in Windsor Locks, CT, is seeking a Mechanical Manufacturing Engineer to develop and implement manufacturing methods for hardware used in Life Support and Thermal Control applications. You will author assembly documentation, work with internal teams and suppliers, and lead root-cause analyses to drive continuous improvement.

Responsibilities include defining equipment requirements, optimizing processes for assembly and repair, ensuring EH&S and quality standards, and

Qualifications

• Typically requires a STEM degree and a minimum of 5 years of prior relevant experience.
• Experience with machining processes and CAD modelling (Creo) is highly desirable.
• Lean Manufacturing principles and continuous improvement methodologies are expected.
• Experience with Life Support and/or Thermal Control hardware is a plus.

Responsibilities

• Develop and implement mechanical manufacturing methods for hardware, aligned with production goals.
• Author assembly documentation and design tooling for high-quality hardware assembly.
• Provide technical guidance to internal teams and suppliers for spec compliance.
• Lead root-cause investigations and drive corrective actions for non-conforming hardware.
• Document sequences for complex operations and optimize for assembly, disassembly, and repair.

Skills

Problem-solving

Communication

Team collaboration

Adaptability

Continuous improvement

Education

STEM degree

Tools

Creo CAD

MRP systems

Shainin Red X

DMAIC

Taguchi DOE

Ishikawa diagrams

Job description

Location: US-CT-WINDSOR LOCKS-B1A ~ 1 Hamilton Rd ~ BLDG 1A

Date Posted: 2026-08-28

Country: United States of America

Position Role Type: Onsite

U.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 Required

Security Clearance Status: Not Required

At RTX, the world largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense.

Mechanical Manufacturing Engineer

What You Will Do:

• Develop and implement mechanical manufacturing methods for hardware, ensuring their readiness and alignment with production goals.
• Author comprehensive manufacturing assembly documentation and design conceptual tooling to assist in high-quality hardware assembly used in Life support and Thermal control applications.
• Provide technical expertise to internal teams and external suppliers to ensure compliance with engineering and quality specifications.
• Lead and support failure investigations by determining root causes, implementing corrective actions, and managing non-conforming hardware to drive continuous improvement.
• Develop and document sequences for complex manufacturing operations, define equipment requirements, and optimize processes for assembly, disassembly, and repair to maximize efficiency and performance.
• Ensure all manufacturing processes and procedures adhere to applicable Environmental, Health, and Safety (EH&S) requirements and quality standards. Identify and implement changes to enhance product quality, reduce costs, and improve productivity using advanced knowledge of fabrication, tooling, assembly, and quality control standards.
• Prepare cost estimates, manage project schedules, and draft procedures, policies, and work instructions.
• Review design drawings and concepts, addressing potential producibility concerns, and provide recommendations for using advanced technology and materials.
• Collaborate effectively within an Integrated Product Development (IPD) Team and contribute in a cross-functional team environment.
• Present technical updates to senior leadership and contribute to initiatives such as CORE (Customer Oriented Results and Excellence), Process Certification, Lean Manufacturing, and Manufacturing Process Reviews.
• Promote and lead projects related to EH&S compliance and sustainability.

Qualifications You Must Have:

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experience unless prohibited by local laws/regulations.

Qualifications We Prefer:

• Advanced knowledge and hands-on experience with machining processes (CNC milling, turning, precision machining, fixture design) and the ability to support process improvements is highly desirable.
• Proficiency or familiarity with CAD modeling/design software such as Creo.
• Knowledge of Lean Manufacturing principles, machining, welding, and brazing processes.
• Experience in continuous improvement methodologies and tools like Shainin Red X, DMAIC, Taguchi Design of Experiment, Ishikawa diagrams, and Fault Tree Analysis.
• Familiarity with Manufacturing Resource Planning (MRP) systems.
• Previous experience with Life Support and/or Thermal Control hardware is highly desirable.
• Problem-solving skills, adaptability, and ability to work in a collaborative team environment.
• Communication and presentation skills to effectively engage with team members, suppliers, and senior leadership.

What 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!

The salary range for this role is 86,800 USD - 165,200 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.

Operations, Supply Chain and EH&S:

The next chapter of our future as an aerospace company is here, and we are excited about what this means for our employees and customers! Get onboard the Collins Aerospace Operations team and play a part in managing our innovative products from inception to delivery. The Operations team continues to grow and aims to strengthen the connection of Manufacturing Operations, Supply Chain and Environment, Health & Safety (EH&S) across Collins Aerospace. In this dynamic environment, you will have the opportunity to network across our businesses and functions, all while improving the productivity, quality and efficiency of our operations worldwide.

Collins Aerospace, a 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.

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.

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.

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.

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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