Senior Principal Engineer – 787 Liquid Cooling Systems Integration Lead (onsite)

Senior Principal Engineer, System Integrated Project Team Lead

Are you a systems thinking technical leader with a passion for solving complex engineering challenges in cutting-edge aerospace applications? Do you thrive at the intersection of cross-functional collaboration, technical depth, and strategic execution? We are seeking a highly driven and experienced Senior Principal Engineer to serve as the System Integrated Project Team (SIPT) Lead for the 787 Liquid Cooling Systems (LCS) including the Power Electronics Cooling System (PECS), Integrated Cooling System (ICS), and Forward Cargo Air Conditioning (FCAC). This is a unique opportunity for a systems leader who is ready to take ownership of a high-visibility program, lead technical teams, collaborate with internal and external partners, and shape the next generation of liquid cooling and refrigeration technologies for commercial aerospace.

What You Will Do

• Lead a multi-disciplinary engineering team to drive creative, cross-functional solutions to technical issues, spanning Collins and supplier manufacturing, customer production environments, and airline fleet operations.
• Own the engineering execution of the 787 PECS, ICS, and FCAC systems across the full product lifecycle from design and integration through to in-service support.
• Become an expert in system architecture, performance, and operation of all 787 Liquid Cooling subsystems.
• Drive system reliability improvements, partnering with Product Line leadership to identify, prioritize, and resolve root causes of in-service issues.
• Coordinate and execute supplier transitions, collaborating across supply chain, customer engineering, and operations to meet program objectives.
• Lead system-level troubleshooting, including root cause investigations of fleet issues, working with internal teams and Boeing stakeholders.
• Present technical findings and lead customer/executive briefings on high-visibility investigations and emerging risks.
• Work closely with Service Engineering and Product Line teams to initiate and close out component-level quality and reliability investigations.
• Assess and define requirements for Prognostic Health Management (PHM) analytics development across the PECS, ICS, and FCAC systems; establish priorities to support system health monitoring and predictive maintenance objectives.
• Align engineering resources and set technical priorities to support cost reduction initiatives and modifications/upgrades targeting the PECS, ICS, and FCAC systems.
• Review and disposition engineering changes before they are submitted to the 787 Chief Engineer, ensuring quality and technical soundness.
• Mentor and coach early- and mid-career engineers, promoting systems thinking, technical excellence, and leadership development within the organization.
• Communicate effectively with senior leadership at Collins and Boeing, keeping all stakeholders informed of risks, issues, and resolution plans.
• Travel up to 20% is required, including visits to customer sites, supplier facilities, and internal Collins locations to support program execution and stakeholder engagement.

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 10 years prior relevant experience or an Advanced Degree in a related field and minimum 7 years of experience.

Qualifications We Prefer

• Experience with vapor cycle or refrigeration systems in aerospace.
• Prior experience in project engineering or program engineering leadership role.
• Experience managing engineering scope to meet schedule, cost, and technical performance requirements.
• Experience coordinating engineering activities across internal teams, suppliers, and customers.
• Experience supporting in-service systems, including root cause investigation, corrective actions, and reliability improvements.
• Experience preparing and delivering technical briefings and status updates to senior leadership and external stakeholders.

What We Offer

Benefits

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!
• Eligible for relocation

Join us as we take flight! *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.

Apply now and be part of the team that's redefining aerospace, every day.

The salary range for this role is 124,000 USD - 250,000 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.

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.