> Markdown version of [/jobs/ext/3877027-senior-software-engineer-onsite](https://www.wearedevelopers.com/jobs/ext/3877027-senior-software-engineer-onsite). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer (Onsite) - **Company:** RTX - **Location:** Aurora, CO, United States - **Experience:** Expert - **Salary:** $86,800.0 - $165,200.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Confluence, JIRA, Computer Programming, Continuous Delivery, Continuous Integration, Eclipse (Software), Spring Framework, Junit, Python (Programming Language), Software Engineering, System Software, Spring-boot, Kubernetes, Apache Kafka, Data Management, Cucumber (Software), Devsecops, Jenkins, Vulnerability Analysis - **Published:** October 22, 2026 - **Apply:** https://globalhr.wd5.myworkdayjobs.com/REC_RTX_Ext_Gateway/job/US-CO-AURORA-S77--16470-E-Hughes-Dr--BLDG-S77/Senior-Software-Engineer--Onsite-_01882777-1 ## About the Role 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, * Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and 5 years of relevant software engineering experience * Experience programming with Java, Python, and JavaScript * Experience with satellite mission management or similar planning & scheduling software * Experience using test automation tools and methods * Active and transferable U.S. government issued TS/SCI security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Qualifications We Prefer * Experience with SpringBoot/Spring Framework * Experience with SAFe Agile development * Experience with Cucumber and Kubernetes * Experience with DevSecOps and CI/CD processes * Experience with tools such as Confluence, Eclipse, Jira, Jenkins, Junit, and Kafka ## Description Raytheon's Air & Space Defense Systems (ASDS) strategic business unit (SBU) specializes in multi-domain integrated air and missile defense, advanced sensors, space-based systems, hypersonics, effectors and cyber solutions. Focused on program execution, business growth and the highest level of customer satisfaction, the ASDS team provides customers with unmatched capabilities of detection and sensing, command and control, and air-to-air, air-to-surface, and surface-to-air munitions to accomplish air, space and missile defense missions. Within ASDS, Space Intelligence, Surveillance & Reconnaissance is our Sub-SBU that delivers information superiority from space, multi-mission automation and orchestration, multiple intelligence (Multi-INT) and resilient operations, secure processing, and data management. This position is located onsite in Aurora, CO. What You Will Do * Design, develop, test, and maintain advanced ground system software. What You Will Learn * Modern DevSecOps and Continuous Integration/Continuous Delivery techniques * Software lifecycle practices for defense projects