Principal Engineer, Control Systems (Onsite)

Date Posted:

2026-05-26

Country:

United States of America

Location:

US-CT-WINDSOR LOCKS-B1 ~ 1 Hamilton Rd ~ BLDG 1

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

The Engineer will be part of our System Integration organization, within the Systems Controls group in Windsor Locks, CT. This role will focus on systems requirements, product specifications, and model-based development.

The Engineer will concentrate on defining and decomposing systems engineering requirements, conducting studies including control systems modeling and dynamic analysis, developing advanced models, and defining system test plans.

The Engineer will collaborate with multi-disciplinary teams, customers, and management to define, review, and refine control system requirements critical to the design and development of complex integrated air management systems. This includes decomposing and negotiating requirements for system components, including the system controller software, to ensure seamless control system performance that integrates with sensors and effectors within their design limits, enabling robust system operation.

What You Will Do

• Define and decompose requirements for heating, cooling, and ventilation systems of aircraft.

• Collaborate with customers and stakeholders to establish specifications, perform evaluations, and plan performance testing.

• Formulate conceptual designs for continuous and discrete control system requirements, developing lower-level requirements to meet customer needs and business goals, with an emphasis on precise thermal management control and reliability.

• Develop advanced mathematical models or other computer analysis methods to create, evaluate, or modify designs according to customer engineering requirements.

• Perform system-level analyses of thermal fluid systems and prepare technical reports with findings and recommendations.

• With minimal direction, create and implement common procedures and standard work across the organization.

• Investigate test results for consistency with performance predictions and compliance with system requirements.

Qualifications You Must Have

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience

Qualifications We Prefer

• 5–7 years of experience in the Aerospace, Automotive, or Oil & Gas industry preferred

• Experience in requirements definition and decomposition

• Experience with Model-Based Design engineering

• Proficiency in MATLAB, Simulink, DOORS, Python, Modelica, or SysML

• Experience presenting to both management and customers

• Experience with task-level planning and project execution

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! 

Learn More & Apply Now!

We make modern flight possible for millions of travelers and our military every second.  Our major product lines are on-board virtually every aircraft flying. Be it keeping passengers safe with our emergency power generation systems or creating a positive in flight experience through reliable cabin pressure controls and quieter engines, Power & Controls focuses on delivering a best-in-class experience to our customers. We hire the top people in the industry. Their ideas drive our performance, and their integrity keeps our customers happy. 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.

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 107,500 USD - 204,500 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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