Site Reliability Engineer

At Polystar | Elisa Industriq we are seeking a Site Reliability Engineer who is ready to take ownership - not just of their tasks but also to contribute to the team as a whole.

About the Role

We're looking for a Site Reliability Engineer to join our Services team. You'll be responsible for deploying and maintaining production systems across hybrid environments (on-premises and Google Cloud Platform), while serving as an internal expert on containerization technologies.

What You'll Do

• Design, deploy, and maintain production deployments across on-prem and Google Cloud Platform environments
• Own the reliability, scalability, and performance of our software stack
• Provide L3/expert-level support on containerization matters across the organization
• Build and improve CI/CD pipelines for automated, repeatable deployments
• Develop tooling and automation to reduce toil and improve operational efficiency
• Participate in incident response and conduct blameless post-mortems
• Collaborate with development teams to improve service reliability and observability

What We're Looking For

• Strong experience with Kubernetes (deployment, troubleshooting, cluster management)
• Solid Linux administration skills
• Hands-on experience with containerization (Docker, container runtimes, image optimization)
• Proficiency with Google Cloud Platform services
• Infrastructure-as-code experience with Terraform
• CI/CD pipeline development with Jenkins and/or GitHub Actions
• Go and/or Python programming skills
• Understanding of network fundamentals, monitoring, and logging

Nice to Have

• Experience with service mesh technologies (Linkerd, Istio)
• Familiarity with GitOps workflows (FluxCD, ArgoCD)
• Database administration experience (PostgreSQL, MongoDB, etc.)
• Helm chart development

What you can expect

• Engaging technical challenges: Work with software that handles massive amounts of data for 100+ live telecom customers.
• Collaborative team environment: Supportive team culture where everyone helps each other.
• Opportunities to learn: Plenty of chances to learn from your teammates.
• Mastering our technical scope: Our team excels at helping new members get up to speed.

Why Polystar?

• Hybrid & flexible work: Balance office and remote work as it suits you.
• Growth-oriented culture: As part of the Elisa group, we support your learning and career development.
• Be part of telecom innovators: Help shape the future of the industry.
• a range of employee benefits

Interested? Please apply! We look forward to hearing from you!