Principal Software Engineer with Test Equipment - Scottsdale, AZ

Position: Principal Software Engineer – Test Equipment (Onsite, Scottsdale, AZ) What You Will Do: Design, develop, and integrate object-oriented software applications using C# and C++ in Microsoft Visual Studio on Windows OS. Prioritize and manage multiple software engineering tasks concurrently. Troubleshoot software and test equipment instrumentation. Collaborate in a multidisciplinary engineering team environment. Develop and derive requirements for software products. Lead and mentor junior software engineers. Qualifications – Must Have: Bachelor’s degree in STEM or equivalent experience; or advanced degree with minimum 5years of relevant experience. At least 8years (or 5years with an advanced degree) of experience developing and integrating software applications. Proficiency with C++, C#, Java, Python, or Visual Basic. Experience with Windows OS and Microsoft Visual Studio. Hands‑on experience with laboratory test instrumentation (oscilloscopes, power supplies, digital multimeters, etc.). Ability to obtain a U.S. Government‑issued Secret security clearance (U.S. citizenship required). Qualifications – Preferred: Experience with computer architecture and hardware optimization techniques. Experience developing software drivers for computer hardware interfaces. Knowledge of common hardware interfaces and data protocols such as TCP/IP, UDP, or RS‑422. Experience with UML for visualizing software architecture and design. Familiarity with software development life cycles (Waterfall, Agile). Knowledge of software configuration management principles. Experience with Microsoft Azure DevOps Server or GitHub. Strong written and interpersonal communication skills. Experience leading technical teams or projects. What We Offer: Competitive salary range: USD 107,500 – 204,500. Benefits including medical, dental, vision, life insurance, short‑term and long‑term disability, 401(k) match, flexible spending accounts, employee assistance program, parental leave, paid time off, and holidays. Annual short‑term and long‑term incentive compensation opportunities (dependent on level). Strong commitment to safety, trust, respect, accountability, collaboration, and innovation. 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 other protected classes. RTX provides affirmative action for qualified individuals with a disability and protected veterans in compliance with applicable laws. #J-18808-Ljbffr