Sr. Principal Software Engineer - DevSecOps

Date Posted: 2026-10-08 Country: United States of America Location: US-CA-SAN JOSE-826 ~ 200 Holger Way ~ BLDG 826 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: TS/SCI with Polygraph Security Clearance Status: Active and existing security clearance required after day 1 Raytheon Company Managed by Collins Aerospace 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. Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense. Applied Signal Technology (AST) is seeking a Senior Principal Software Engineer with specialization in Development, Security, and Operations (DevSecOps) who strives for excellence and has a passion to be part of a team that strengthens our nation and improves the security of our world. AST provides trusted strategic and tactical SIGINT solutions that secure the interests of the U.S. and its partners. AST’s work in areas such as high-capacity broadband communications, signal processing and analysis, tactical SIGINT, and wireless communications continually challenge our extraordinary engineers to resolve problems and make the world a safer place. AST’s work environment is passionate, highly collaborative and provides engineers with the freedom to strengthen and expand their skills, explore new and creative ideas, and work closely with our nation’s finest service members all while embracing integrity, innovation, and work-life balance. This is an ONSITE position based out of our San Jose, CA location. To learn more about AST please, : Applied Signal Technology: WHO WE ARE What You Will Do: Partner with AST Digital Technology, RTX Enterprise Services, and Digital Technology teams across Raytheon and Collins Aerospace to foster alignment, integration, and operational synergy across AST’s DevSecOps ecosystem. Drive and manage the AST’s DevSecOps development environment, tooling, and process workflows. Coach, mentor, and enable engineering teams to adopt and utilize AST’s DevSecOps ecosystem and workflows. Oversee the installation, configuration, and maintenance of enterprise DevSecOps applications, including: Application and plugin installations/deployments, upgrades, patches, and configurations. System migrations and cross-application integrations. User provisioning, access management, and permissions. Provide project and technical user support, including: Project onboarding and custom support requests. Day-to-day troubleshooting, documentation of best practices, and template creation. Collaborate closely with project managers, engineering leadership, and development teams within the Engineering organization. Travel up to 25% Qualifications You Must Hav e: Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 10 years of prior relevant experience. Experience managing and/or supporting enterprise applications such as: Atlassian Jira/Confluence; Gitlab; Cloudbees CI (Jenkins) Artifact repositories (JFrog Artifactory, Sonatype Nexus Repository, Pulp) Software Supply Chain Security tools (JFrog Xray, Sonatype Lifecycle, Black Duck) Container and …

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