Senior Software Engineer, Onsite

Job ID: 01861315Posted: Posted 3 Days AgoStart Date: 2026-08-24Location: US-CA-FULLERTON-675 ~ 1801 Hughes Dr ~ BLDG 675Country: United States of AmericaTime Type: Full timeDate Posted:2026-08-24 Country:United States of America Location:US-CA-FULLERTON-675 ~ 1801 Hughes Dr ~ BLDG 675 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements:The ability to obtain and maintain a U.S. government issued security clearance is required.​ U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring 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. Our team solves tough, meaningful problems that create a safer, more secure world.Raytheon Software Engineering is looking for a Senior Software Engineer to join the Air C2 (Command and Control) and Battlefield Sensors software department in Fullerton, California.Our Culture | RTX CareersWhat You Will Do:The Air C2 SW product teams develop Command and Control mission critical applications and leverage DevSecOps processes along with best industry practices to meet the threats of today and tomorrow.Perform as a key contributor working as part of a high performing Software Product Team. Participate in software C2 software application design, implementation, test and maintenance. Collaborate in a cross-functional / agile environmentTravel up to 25% including short term business trips (between 2 weeks to 2 months, depending on the circumstances) to Taiwan to interface with our customer and other RTX colleagues.Qualifications you must have:Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 5 years of prior relevant experienceExperience in Java, Python or C++ programming languages.Experience with Agile development methodologiesExperience with Red Hat LinuxAble to obtain and maintain a U.S. government issued security clearance as and when required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.Qualifications We Prefer:Strong communication and collaboration skills, ability to work effectively within large, cross-functional teams.Experience in software engineering in the Command & Control domainExperience with interface development including tactical data links, radar/civilian data sources and weapons control.Experience with Java UI frameworks such as Swing or JavaFXExperience with component-based architecture and microservices.Experience working with a range of infrastructure and platformsExperience with one or more scripting languagesExperience with AdaExperience with DOORSExperience with the following toolchain products: Bitbucket, Jenkins, Artifactory, Coverity, Collaborator and JIRAWhat We Offer:Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation.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: 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 95,500 USD - 181,700 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