Principal Engineer, Software Developer P4 (Onsite)

Date Posted : 2026-02-06

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 :

The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type :

L Clearance

Security Clearance Status :

Active and existing security clearance required after day 1

Pratt & Whitney is working to once again transform the future of flight—designing, building and servicing engines unlike any the world has ever seen. And because transformation begins from within, we’re seeking the people to drive it. So, calling all curious.

Come ready to explore and you’ll find a place where your talent takes flight—beyond the borders of title, a country or your comfort zone. Bring your passion and commitment and we’ll welcome you into a tight-knit team that takes our mission personally. Channel your drive to make a difference into shaping an organization and an industry that’s evolving fast to the future.

At Pratt & Whitney, the difference you make is on display every day. Just look up. Are you ready to go beyond?

What You Will Do

Control & Diagnostic Systems (CDS) is a dynamic engineering organization focused on the development and certification of military and, commercial and industrial gas turbine engine control, and diagnostic systems. CDS is responsible for all aspects of Pratt & Whitney engine control and diagnostic system development including requirements analysis & definition, system & software architecture, algorithm design, and product software design, verification & validation. We integrate the control and diagnostic system design across other engine system modules and with the air vehicles and provide support throughout the complete engine product life cycle.

You'll have the opportunity to use your understanding of software principles, theories, and concepts related to software engineering (including software development lifecycle and software development process), design patterns, and Object-Oriented architecture to develop a software product.

Your key responsibilities will include :

• Develop, design, and debug OBPHM Services in Linux Kubernetes environment.
• Develop software code that implements requirements, working closely with customers, stakeholders and Subject Matter Experts.
• Decompose system level and customer interface requirements into software requirements and designs within an Agile Framework
• Work with a team of Java and Python software developers within an Agile framework across multiple projects.
• Conduct iterative prototype testing and reviews of requirements and designs
• Perform software verification within the Agile Framework including regression analysis, test case development, test script development and evaluation of results
• Participating in Agile ceremonies
• Participate in software planning, estimating and tracking per Agile framework
• Potential to serve as Agile Scrum Master and / or part of the Development Team
• Review and analyze offboard software requirements.
• Conduct code reviews.
• Troubleshoot code and build issues and support released software and deployments.
• Implement, adhere to, and continuously improve software development processes and procedures

What You Will Learn

Qualifications You Must Have

Qualifications We Prefer

What We Offer

EDSI Commercial Engines Programs (CE) and Military Engines Programs (ME)

The EDSI Commercial Engines and Military Engines organizations are focused on delivering systems solutions to meet customer requirements, driving engineering quality and productivity, and developing the next generation if systems engineers.​​ EDSI is responsible for the integration of components, modules, and sub-systems into world class commercial and military propulsion systems.​​

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 workers, as they are essential to the development of our engines.

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.

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.