Sr. Principal Engineer – Agile Software Development – CDS / Engine System Software P5 (Onsite)

About this role

Date Posted: 2026-08-12

 Country: United States of America

 Location: US-CT-EAST HARTFORD-ETC ~ 400 Main St ~ BLDG ETC

 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

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. 

Pratt & Whitney is a world leader in the design, manufacture and service of aircraft engines and auxiliary power systems and has been revolutionizing modern flight for over 100 years. Join us and help shape the future of aerospace and defense.

What You Will Do:

Pratt & Whitney Controls & Diagnostic Systems (CDS) is a dynamic engineering organization focused on the development and certification of military and commercial gas turbine engine control and diagnostic systems. CDS is responsible for all aspects of Pratt & Whitney engine control and diagnostic system development and support, including requirements analysis & definition, system & software architecture, algorithm design, product software design, verification & validation and engine and flight test support.

The CDS organization is seeking a highly motivated, team oriented, and results driven Senior Principal Engineer to join the Engine System Software organization.   The qualified candidate will be responsible for: • Develop and/or lead software requirements and designs within the Agile Framework. • Decompose system level and customer interface requirements into software requirements and designs. • Document traceability or rationale for derived requirements and designs. • Conduct iterative prototype testing of requirements and designs. • Perform reviews of requirements and designs. • Participate in software planning, estimating and tracking. • Produce software requirement and design specifications. • Perform and/or lead software verification within the Agile Framework. • Conduct regression analysis to determine verification scope. • Develop / review software test descriptions with traceability to software requirements. • Develop and execute electronic bench test scripts. • Evaluate / review test results. • Execute robustness testing. • Execute low-level module/object testing. • Conduct/Produce Verification Reviews. • Participate in and/or lead Agile ceremonies. • Participate in software planning, estimating and tracking per Agile framework. • Potential to serve as Agile Scrum Master, Product Owner, Product Manager, and/or part of the Development Team.

Qualifications You Must Have: • Bachelors' Degree Science, Technology, Engineering or Mathematics (STEM) • 10 years engineering experience or an advanced Degree with 7 years prior engineering experience.

Qualifications We Prefer: • Solid track record of achieving results in a technical role. • Ability to work in a dynamic, high pressure engineering environment. • Prior experience developing software in an Agile framework. • Prior safety critical software development experience. • Knowledge of regulatory standards such as DO178B. • Outstanding cross discipline communication skills. • Familiarity with jet engine control and diagnostic system architectures and control logic design.

What We Offer: • Benefits • Relocation Assistance

Learn More & Apply Now!

Department Overview:

Controls & Diagnostics Systems (CDS)

CDS develops complex, cyber-resilient control systems and software for commercial and military engines including power and thermal management Systems and auxiliary power units. CDS also develops advanced diagnostic & health management systems to monitor our products, forecast events and help facilitate MRO operations. With growing emphasis on sustainability, CDS is on the forefront of system development for hybrid and electric propulsion.

What is my role type?

In addition to transforming the future of flight, we are also transforming how and where we work. We’ve introduced role types to help you understand how you will operate in our blended work environment.

This role is:

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.

Candidates will learn more about role type and current site status throughout the recruiting process. For onsite and hybrid roles, commuting to and from the assigned site is the employee’s personal responsibility.

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 132,400 USD - 251,600 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

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