Principal Software Engineer - DevSecOps

Applied Signal Technology (AST) is seeking a Principal Software Engineer with specialization in Development, Security, and Operations (Dev Sec Ops ) 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.

This is an ON‑SITE position based out of our San José, CA location.

Raytheon Company, managed by Collins Aerospace, is part of RTX, the world’s largest aerospace and defense company. 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.

• 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 Dev Sec Ops  ecosystem.
• Drive and manage the AST’s Dev Sec Ops  development environment, tooling, and process workflows.
• Coach, mentor, and enable engineering teams to adopt and utilize AST’s Dev Sec Ops  ecosystem and workflows.
• Oversee the installation, configuration, and maintenance of enterprise Dev Sec Ops  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% (domestic).

• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and a minimum of 8 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 Orchestration tools (Docker, Podman, Kubernetes, Helm);
  Secrets management tools (AWS Secrets Manager, Git Guardian).
• Experience with managing and developing CI/CD pipelines.
• Experience with scripting languages (Python, Go, Groovy, Bash, Perl, etc.).
• Experience with Linux System Administration and Red Hat (or compatible variants) based distributions (RHEL, Fedora, CentOS, Rocky).
• Experience with virtualization technology (KVM, VMWare, Hyper‑V).
• Ability to work collaboratively within multi‑disciplinary teams.
• Ability to obtain a U.S. government issued Top Secret SCI (TS/SCI) security clearance with polygraph; U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.

• Experience managing/supporting and/or developing with any of the following:
  Infrastructure as Code tools (Terraform, Ansible, Puppet, Salt);
  Observability dashboard tools (Datadog, Splunk, Grafana, Kibana).
• Possess professional certifications in Dev Ops/Dev Sec Ops  and/or CI/CD areas:
  Containers and Orchestration…