System Software Engineer Jobs in Connecticut (NOW HIRING)

Date Posted: 2026-08-13 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: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1

Pratt & Whitney Controls & Diagnostics 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 Engineer to join the Engine System Software organization.

• Develop and/or lead support software tool development in a DevSecOps pipeline


• Participate in and/or lead process improvements


• Perform trade studies and analyze solutions


• Develop and/or lead software requirements and designs within the Agile Framework


• Perform and/or lead software verification within the Agile Framework


• 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

As a member of a dynamic engineering organization, this position offers the candidate an excellent opportunity to apply multidisciplinary engineering and leadership skills in the development and support of complex engine control and diagnostic systems and software.

• Bachelor’s degree in Science, Technology, Engineering or Mathematics (STEM)


• 5 years of engineering experience, or an Advanced Degree and 3 years’ experience.

• 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


• Proficient in at least one scripting or embedded code language


• Matlab/Simulink experience


• 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


• Experience delivering DevSecOps, or automation, or AI solutions


• Proficient in at least on scripting or embedded code language


• Model Based System or Software engineering experience


• Experience working in cloud environments such as AWS or Azure

• 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


• holidays

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.

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.

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.