Real-Time Qt Software Engineer (Onsite)

Company: RTX
Location: East Hartford
Posted on: April 1, 2026

Job Description:

Date Posted: 2026-03-25 Country: United States of America Location: US-FL-JUPITER-ADR ~ 17900 Beeline Hwy ~ ADR BLDG 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 At 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, an RTX Company is looking for a Software Engineer to join our Real-Time Test Systems Software (RTSS) team. This individual will work closely with a team of software engineers in the delivery of developing, enhancing, and implementing software solutions within the RTSS Portfolio, as well as integrations with other Pratt & Whitney products. These software solutions will maintain functionality and enhance features for real-time data visualization and monitoring software systems. As a software engineer in the Real-Time Test Software Systems team, you will become familiar with how Pratt & Whitney executes engine test campaigns and advances the next generation of jet engines. Multi-disciplinary collaboration will teach you how to collaborate with engine test operations teams and efficiently perform real-time troubleshooting techniques for complex software systems. You will master the art of building low-latency data pipelines that process thousands of engine sensor events per second, turning raw vibration, thermals, pressures, and speeds into actionable, live intelligence. Ultimately, you will gain hands-on experience in guaranteeing data integrity in critical, event-driven systems to ensure the health and safety of our next-gen engines. Software Development & Optimization: Design, develop, and optimize data visualization and monitoring software to meet real-time performance constraints while following coding standards and best practices. Real-Time Data Processing: Develop high-speed data flow pipelines to ensure the software meets strict real-time performance requirements, including determinism, low-latency computation, and efficient memory management. Advanced Signal Processing Algorithms: Implement and refine rate conversion, filtering, correlation, windowing, decimation, interpolation, and other real-time signal processing techniques, ensuring data accuracy and usability. Linux Systems Administration & Development: Develop, debug, and optimize software on Linux. Project Management & Agile SDLC: Support all phases of software development, including requirements gathering, architecture design, testing, deployment, and maintenance towards timely, iterative releases. Team Collaboration & Communication: Work closely with customers, stakeholders, and developers to understand system needs, troubleshoot issues, enhance user experience, socialize designs, and integrate changes as appropriate with rapid iterations. Defect Testing & Troubleshooting: Develop test cases and leverage static/dynamic analysis tools for verifying real-time performance, ensuring signal integrity, identifying potential issues, diagnosing issues, and resolving defects. Documentation & Compliance: Create project/technical documentation and ensure compliance with industry standards and best practices Qualifications You Must Have Bachelor’s Degree in Science, Technology, Engineering or Mathematics (STEM) 2 years of software engineering experience or an Advanced Degree in STEM with a GPA of 3.0 or higher Qualifications We Prefer Advanced Software Development: Experience with modern C++, Qt, SQL, Perl, Bash for both UI and real-time system development. DSP & Computational Algorithms: Understanding fundamentals of linear algebra, Fourier transforms, filtering techniques, signal processing algorithms, frequency analysis, etc. Real-Time & High-Performance Systems: Experience developing software that leverages multi-threading, performance profiling, event batching, stream processing, etc. to satisfy strict real-time constraints and minimize latency across both Windows and Linux platforms. Linux System Administration, Development, & Optimization: Experience with Linux system programming, networking, and command-line tools for troubleshooting. Data Acquisition Hardware: Exposure to turbomachinery sensors (e.g. strain gauges), ADCs, oscilloscopes, logic analyzers, multimeters, power supplies, and signal generators. What We Offer: Employee Scholar Program Learn More & Apply Now! 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. This requisition is eligible for an employee referral award. ALL eligibility requirements must be met to receive the referral award 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 68,900 USD - 131,100 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. Privacy Policy and Terms: Click on this link to read the Policy and Terms

Keywords: RTX, New Britain , Real-Time Qt Software Engineer (Onsite), IT / Software / Systems , East Hartford, Connecticut