Contract DevOps Engineer

Infrastructure Engineer
Remote (with quarterly visits to San Francisco office)

The Infrastructure Engineering team at Sirona is a dynamic, cross-functional group responsible for building and maintaining the foundational infrastructure that powers all of our products. In this role, you will play a pivotal part in shaping Sirona's cloud-based Radiology IT stack, ensuring it is scalable, secure, and high-performing.

This position requires strong expertise in Kubernetes and a deep understanding of networking fundamentals, as you will be responsible for both designing and managing multi-tenant Kubernetes clusters and ensuring seamless network connectivity across cloud and on-prem environments. A successful candidate will combine cloud infrastructure and Kubernetes proficiency with hands-on networking experience, including VPNs, routing, and security best practices.

Key Responsibilities

• Provide technical leadership and guidance to engineering teams.
• Design, deploy, and maintain Kubernetes-based infrastructure with an emphasis on networking, including ingress, service meshes, load balancing, and DNS resolution.
• Manage Kubernetes networking at both cluster and host levels, ensuring secure and efficient communication between services.
• Take primary responsibility for VPN infrastructure, including deployment, troubleshooting, and resolving connectivity/performance issues.
• Contribute to cloud governance practices, ensuring compliance with best practices for security, cost efficiency, and scalability.
• Develop and enhance GitOps/IaC tooling to improve developer experience and automate infrastructure management.
• Manage and support a traditional Linux environment, leveraging configuration management tools for system and application deployments.
• Collaborate with cross-functional teams across infrastructure, security, and application development to deliver a reliable and well-integrated network architecture.

Key Qualifications

• Bachelor’s or Master’s degree in Computer Science (or equivalent) with 8+ years of industry experience.
• Deep expertise in Kubernetes, including managing multi-tenant clusters and utilizing controllers like Cert-Manager and Sealed Secrets.
• Strong networking experience, including VPNs, firewalls, service discovery, DNS, load balancing, and Kubernetes network policies.
• Hands-on experience with cloud networking components such as VPCs, subnets, security groups, peering, and traffic routing in major cloud platforms (AWS, GCP, Azure).
• Proficiency in DevOps tools (Terraform, CDK, Salt, Ansible, ArgoCD, FluxCD, etc.) and programming languages (Python, Go, TypeScript, Bash).
• Linux administration experience, particularly in bare-metal environments.
• Ability to investigate and optimize any part of the stack, from networking to compute and storage.
• Experience with microservices, service meshes, and serverless frameworks (AWS Lambda, Istio, Linkerd, etc.).
• A problem-solving mindset, strong collaboration skills, and eagerness to continuously learn and improve infrastructure.

This is a full-time contract position paying $4,200 per week.