Senior Principal Software Engineer - Core Systems & Libraries (Onsite)

Senior Principal Software Engineer – Core Systems & Libraries

Join Raytheon as a **Senior Principal Software Engineer** and lead the development of high-impact, mission-critical core systems and libraries that drive innovation and operational excellence. In this pivotal role, you will architect, design, and implement scalable, robust, and high-performance software solutions that underpin our most advanced technological capabilities. As a senior leader in our engineering team, you will collaborate with cross-functional stakeholders to deliver cutting-edge solutions that enhance system reliability, security, and efficiency.

In this position, you will:

• Lead the design and development of core software systems and libraries, ensuring they align with industry best practices and Raytheon’s technical vision.
• Architect and optimize complex software architectures, focusing on performance, scalability, and maintainability to support mission-critical applications.
• Mentor and guide junior and mid-level engineers, fostering a culture of continuous learning and technical excellence.
• Drive innovation by evaluating and integrating emerging technologies, tools, and methodologies to enhance system capabilities.
• Collaborate closely with product managers, system engineers, and other stakeholders to translate business requirements into high-quality software solutions.
• Ensure adherence to security standards, compliance protocols, and best practices throughout the software development lifecycle.
• Conduct in-depth technical reviews and provide actionable feedback to maintain code quality, reliability, and performance standards.
• Contribute to strategic initiatives that align with Raytheon’s mission of delivering world-class defense, aerospace, and cybersecurity solutions.

This role is ideal for an experienced software engineer with a proven track record in developing large-scale, mission-critical systems. You will thrive in a dynamic, collaborative environment where your expertise directly impacts the success of high-stakes projects. If you are passionate about pushing the boundaries of software engineering and driving technological advancement, we invite you to be part of our team at Raytheon.

Raytheon is committed to fostering a diverse and inclusive workplace where innovation and excellence are celebrated. We offer a competitive compensation package, professional development opportunities, and a supportive environment that empowers you to make a meaningful impact.