Sr. Software Engineer, Onsite

Date Posted:2026-06-18 Country:United States of America Location:US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01 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: DoD Clearance: Top Secret Security Clearance Status: Active and existing security clearance required on 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’s Space Intelligence, Surveillance & Reconnaissance Sub-SBU delivers information superiority from space, multi-mission automation and orchestration, multiple intelligence (Multi-INT) and resilient operations, secure processing, and data management. We are looking to hire a Senior Software Engineer to work onsite in our El Segundo, CA development center.What You Will Do:Design, develop, test, deliver, and maintain software for cutting-edge satellite ground systemsWork with talented teams of engineers, architects, and leaders in an Agile environmentWhat You Will LearnA breadth of advanced software technologies and techniques including multi-tiered architectures, AWS web services, and microservice software designModern DevSecOps and Continuous Integration/Continuous Delivery techniquesSoftware lifecycle practices for large-scale defense projectsSatellite ground system technologies including Mission Data ProcessingQualifications You Must Have:Typically requires a Bachelor’s degree in Science, Technology, Engineering or Mathematics (STEM) and 5 years of relevant software engineering experienceExperience developing object-oriented software using C++/C/Python in a Linux environmentExperience with containerization, KubernetesExperience with Atlassian tools such as Confluence, Jira, and BitbucketExperience deploying a multi-threaded software on the Kubernetes cluster, using helm charts, podman container images and configuration management(yaml) files.Experience with resolving application issues on the Kubernetes cluster by analyzing logs and investigating container status using Kubectl commands.An active and transferable U.S. government issued Secret security clearance is required prior to start date.  U.S. citizenship is required, as only U.S. citizens are eligible for a security clearanceQualifications We Prefer:Ability to develop test suites using the C++ google test and python unit testing frameworks to ensure compliance of SRS specifications for performance and interface requirements.Ability to integrate fully automated system/unit tests in the Jenkins pipeline to help streamline the regression testing process and provide reliable releases.Experience with collaborating and interfacing with the customers to support software installation with new releases for mitigating risk and resolving DRs.Experience using Agile methodologyExperience with some area of satellite ground system software such as Mission Data ProcessingExperience with software integration, cloud architecture, infrastructure/platform as a service, microservices, and web-based systemsExperience with cybersecurity, DevSecOps, and CI/CD processesWhat We OfferOur values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation.Relocation Eligible – Relocation assistance availableLearn 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.Visit Raytheon Landing Page: Raytheon El Segundo, CA LocationThis position requires security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), 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: https://www.state.gov/m/ds/clearances/c10978.htmAs 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 includi