Principal Software Engineer (Onsite)

Date Posted: 2026-07-09 Country: United States of America Location: US-TX-RICHARDSON-C17 ~ 1717 Cityline Dr ~ CITYLINE C17 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: TS/SCI - Current Security Clearance Status: Active and existing security clearance required on day 1 At RTX, the world's 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. Raytheon brings the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. We deliver solutions that help our nation and allies defend freedoms and deter aggression, creating a safer, more secure world. Join us and help shape the future of aerospace and defense. What You Will Do Technical Leadership: Guiding the development team in technical decision-making, ensuring best practices, and maintaining high code quality. Architecture and Design: Designing and maintaining the architecture of software systems, ensuring scalability, reliability, and performance align with project goals. Code Reviews and Mentorship: Reviewing code to ensure adherence to standards and mentoring team members to improve their technical skills and knowledge. Collaboration: Working closely with other teams, such as product managers, designers, and stakeholders, to align technical implementations with business objectives. Problem-Solving: Addressing and resolving technical challenges, debugging issues, and implementing effective solutions. Project Planning: Assisting in project planning, estimating timelines, and managing technical risks to ensure successful project delivery. Innovation: Staying updated with emerging technologies and practices to incorporate innovative solutions into projects. Documentation: Ensuring proper documentation of code, systems, and processes for maintainability and knowledge sharing. Qualifications You Must Have Typically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum 8 years of prior relevant experience. Experience with Java. Experience with Agile Java software development methodologies, Atlassian tools, and Object-Oriented design. Experience with architecture on large-scale production systems. Active and transferable TS/SCI U.S. government issued security clearance is required prior to start date. U.S. Citizenship is required as only U.S. citizens are eligible for a clearance. Qualifications We Prefer A STEM degree - preferably in Computer Science or Software Engineering. Experience with Git, Chef, Ruby, Python, Groovy, SQL and NoSQL databases, AWS (S3, SQS, SNS) Apache Felix, Apache Velocity, Spring Boot, Spring Integration, Spring Framework, Docker, Kubernetes and Hibernate. AWS Certified Solutions Architect – Associate Certification. Experience working with senior program leadership Demonstrated ability to work with individual contributors across multiple disciplines. Experience and proficiency in Git, Bitbucket, Jenkins, Jenkins job definitions, and Artifactory. Experience as a Bitbucket Project Administrator. Strong analytical and problem-solving skills. Excellent communication and collaboration abilities. Ability to lead and facilitate discussions in a team-oriented environment. Commitment to delivering high-quality, mission-critical solutions. What We Offer Whether you’re just starting out on your career journey or are an experienced professional, we offer a total rewards package that goes above and beyond with compensation; healthcare, wellness, retirement, and work/life benefits; career development and recognition programs. Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance, and child/adult backup care. Relocation Eligibility - Relocation assistance is available. Learn More & Apply Now! Please consider the following role type definition as you apply for this role. 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. This position requires a security clearance. DCSA Consolidated Adjudication Services (DCSA), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: North Texas: Aurora, CO: Dulles, VA: We Are RTX #RaytheonSpace #LI-Onsite #LI-HS30 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 107,500 USD - 204,500 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 RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.