Senior Principal Software Engineer – Core Systems & Libraries

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🔥 0 minutes ago

🏈 Alabama – Remote

🏈 Alabama – Remote

💵 $132.4k - $251.6k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

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RTX

WebsiteLinkedInAll Job Openings

10,000+ employees

Founded 2020

🏭 Manufacturing

💼 Consulting

📦 Logistics

Manufacturing • Consulting • Logistics

RTX is a globally recognized aerospace and defense company dedicated to transformative technologies and era-defining innovation. It operates through various businesses, including Collins Aerospace, Pratt & Whitney, and Raytheon, with a focus on sustainable, connected flight and smarter defense systems. RTX is committed to diversity, equity, and inclusion across the company and aims to solve the world’s most complex problems with cutting-edge technology and talent. Additionally, RTX is involved in significant projects like upgrading the F135 Engine Core and developing missile-defense systems. The company emphasizes corporate responsibility and sustainable practices.

📋 Description

• Lead architecture and design of core software components, libraries, and tooling aligned to avionics system requirements • Drive technical direction and execution across development and verification activities for safety-critical DO-178 software • Define and manage software requirements, decomposition, and traceability across complex systems • Develop and verify software using modern C++ and object-oriented design principles • Own and produce DO-178 certification artifacts, including DAL-A deliverables • Lead and support certification efforts with customers and regulatory authorities • Conduct and contribute to peer reviews across the software lifecycle • Collaborate with engineering, program leadership, and customers to align technical solutions with program objectives • Travel domestically and internationally as required, less than 10% • Contribute to software foundations powering modern aircraft and certifiable avionics platforms

🎯 Requirements

• Degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 10 years of relevant experience, or an advanced degree in a related field and minimum 7 years of experience • U.S. citizenship required; only U.S. citizens are authorized to access information under the program/contract • Experience designing and developing software architecture, libraries, or platform-level components in aerospace or safety-critical environments • Ability to lead technical execution, engage customers, and present to senior stakeholders • Hands-on experience supporting DO-178 software development and certification activities, including requirements, verification, or certification artifacts • Experience working across cross-functional engineering and program teams on complex integrated solutions • Experience with C++ and VxWorks preferred • Experience writing high-level and low-level requirements preferred • Experience writing test cases and automated test procedures preferred • Experience with civil certification DO-178 DAL A preferred • Experience with Flight Management Systems, software, aircraft applications, or middleware preferred • Familiarity with revision control concepts and tools such as GIT, Subversion, and JIRA preferred • Willingness and ability to travel domestically and internationally as required, less than 10%

🏖️ Benefits

• Medical, dental, and vision insurance • Three weeks of vacation for newly hired employees • Generous 401(k) plan with employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option • Tuition reimbursement program • Student Loan Repayment Program • Life insurance and disability coverage • Optional pet, home and auto, additional life and accident, critical illness, group legal, and ID theft protection insurance • Birth, adoption, and parental leave benefits • Ovia Health, fertility, and family planning • Adoption Assistance • Autism Benefit • Employee Assistance Plan, including up to 10 free counseling sessions • Healthy You Incentives wellness rewards program • Doctor on Demand virtual doctor visits • Bright Horizons child and elder care services • Teladoc Medical Experts second opinion program • 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 • Potential eligibility for annual short-term and/or long-term incentive compensation programs