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Senior Software Engineer (Sustaining) (Remote - US) at Jobgether. This position is posted by Jobgether on behalf of Chainguard. We are currently looking for a Senior Software Engineer (Sustaining) in the United States.. We are seeking a Senior Software Engineer (Sustaining) to join a dynamic engineering team focused on building secure, efficient, and resilient open-source software. This role offers the opportunity to tackle real-world challenges in container security, Linux packaging, and DevOps tooling while automating processes to eliminate recurring issues. The ideal candidate will have a hands-on approach, collaborating with global teams to deliver high-quality software, mentor peers, and influence best practices across the development lifecycle. Working in a fast-paced, remote-first environment, you will contribute directly to shaping a secure software supply chain that impacts developers and enterprises worldwide. This role combines technical rigor, innovation, and the chance to leave a lasting mark on open-source security.. . Accountabilities. . . Sustaining Engineering. – Triage, investigate, and resolve software vulnerabilities (CVEs) while implementing automation to prevent future occurrences.. . . Package & Image Development. – Build and maintain Linux packages (APKs) and container images, ensuring high quality, security, and minimal bloat.. . . Collaboration & Mentorship. – Work closely with project managers and global engineering teams; mentor junior engineers and share expertise within the community.. . . Testing & Quality Assurance. – Develop and enhance testing frameworks and automation processes to maintain confidence in software releases.. . . Tooling & Innovation. – Contribute to and utilize internal tools such as melange, apko, Wolfi OS, and Chainguard Images for software development and deployment.. . . Community & Knowledge Sharing. – Participate in open-source communities, contribute to best practices, and support knowledge transfer across teams.. . . 4+ years of software engineering or DevOps experience, with hands-on Linux packaging (APK, DEB, RPM) preferred.. . Strong expertise in container technologies, including building, debugging, and securing images.. . Proficiency with Kubernetes (manifests, Helm, Kustomize) and Terraform for infrastructure and deployment automation.. . Skilled in at least one programming language (Go, Python, C, or C++).. . Excellent communication skills, both written and verbal, and ability to work independently and collaboratively.. . Experience in vulnerability management, supply chain security, or open-source contributions is a plus.. . Company Location: United States.