Principal Software Engineer

About the Role

Principal Software Engineer – Missle Defense Sensors (MDS) Software Department, RTX based in Woburn, Massachusetts. The role focuses on leading the design, development, testing, and delivery of mission‑critical software for radar and Command & Control systems, including Army, Navy, and allied programs.

• Lead the design, development, testing, and deployment of complex software solutions in support of radar and Command & Control systems.
• Analyze, implement, and test software modifications to enhance the functionality, performance, and reliability of existing system baselines.
• Drive the resolution of complex software trouble reports, leveraging debugging tools to quickly identify and fix defects while optimizing code for performance.
• Provide technical leadership in an agile execution environment, driving continuous improvement initiatives and ensuring adherence to industry best practices.
• Collaborate with systems engineers, integration and test engineers, and other stakeholders to define system requirements and ensure seamless integration of software components.
• Guide the development and maintenance of CI/CD pipelines and other automation tools to enable efficient software delivery.
• Act as a technical mentor and coach, delegating tasks and providing guidance to junior and mid‑level engineers.
• Represent the software team in program‑level discussions, providing expert technical input and ensuring alignment with program objectives.
• Stay current with emerging technologies and methodologies, driving innovation and advancing the technical capabilities of the team.

• Advanced radar and Command & Control system concepts, including real‑time, mission‑critical processing.
• Strategies for optimizing software performance and scalability in large, complex systems.
• Agile and Dev Sec Ops  best practices to improve development, testing, and deployment processes.
• Leadership and mentorship techniques to foster collaboration and technical growth within the team.
• Cutting‑edge tools and technologies for building and maintaining mission‑critical software solutions.

• Bachelor’s degree in Science, Technology, Engineering, or Mathematics (STEM) with 8+ years of relevant experience (unless local laws prohibit).
• Proficiency in C, C++, or Ada for software development, testing, and/or integration.
• Experience with agile software development methodologies such as Scrum, SAFe, or Dev Sec Ops .
• Experience leading technical discussions and mentoring team members.
• Proficiency with debugging tools to identify and resolve software bugs and optimize code for performance.
• Active and transferable U.S. government‑issued Secret security clearance required prior to start date.
• U.S. citizenship required.

• Extensive experience with radar software development and radar concepts.
• Experience in missile defence programs and large, complex systems.
• Experience working with Atlassian Suite (Bitbucket, Artifactory, JIRA, Confluence), Jenkins, Eclipse, and Ansible.
• Knowledge of Linux operating systems, particularly Red Hat Enterprise Linux.
• Familiarity with CI/CD environments and pipelines, including Dev Sec Ops  experience.
• Strong problem‑solving skills and data‑driven decision making in fast‑paced environments.
• Ability to coach and delegate work to junior engineers, fostering technical excellence and continuous improvement.
• Proven leadership experience in a team environment, driving creative solutions to complex technical problems.

• Salary range: $107,500 – $204,500 USD.
• Health insurance: medical, dental, vision, life insurance.
• Short‑term and long‑term disability coverage.
• 401(k) match.
• Flexible spending accounts.
• Flexible work schedules.
• Employee assistance program and Employee Scholar Program.
• Parental leave, paid time off, and holidays.

This is a U.S.–based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. The position requires a security clearance; an active Secret clearance is mandatory prior to start.

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, veteran status, or any other protected class. RTX provides affirmative action for qualified individuals with a disability and protected veterans in compliance with applicable laws.