Senior DevOps

Who we are

Billennium is an international IT company with over 20 years of experience, specializing in the design and development of advanced technology solutions. We support clients across various industries, delivering projects based on partnership, expertise, responsibility, and long‑term cooperation.

About the role

You will join the Developer Platform (D4P) team, responsible for operating and optimizing core DevOps and CI/CD services used across a large, cloud‑native internal platform. The role focuses on operational readiness, platform stability, automation, and ensuring reliable deployments in a Kubernetes‑based, hybrid environment.

Your responsibilities

• Consulting on CI/CD pipelines and validating deployment artifacts from an operations perspective

• Defining and enforcing quality standards for deployments (documentation, test reports, operational readiness)

• Ensuring rollback strategies and production observability are in place

• Monitoring system health, performance, and availability across multi‑tenant environments

• Incident, problem, and change management, including root cause analysis and preventive actions

• Automating recurring operational processes to reduce toil and improve reliability

• Implementing monitoring and logging to support security, audit, and compliance requirements

• Performing routine security scans and supporting vulnerability remediation

• Reviewing, improving, and enforcing runbooks and operational documentation

• Managing a small team while remaining hands‑on and contributing to program initiatives

Must have

• Minimum 5 years of operational experience with self‑managed Kubernetes clusters (on‑premise or private environments)

• Strong understanding of networking concepts (protocols, load balancing, security)

• Proven experience with CI/CD tools and processes (e.g. GitLab, Jenkins, Tekton, Argo Workflows, Argo CD)

• Solid knowledge of operational processes: incident, change, problem management, ITSM, and SRE concepts

• Experience working with observability and monitoring, including SLI/SLA/SLO definition and tracking

• Hands‑on experience with monitoring and logging tools (Prometheus, Grafana, Datadog)

• Strong documentation skills and experience enforcing clear runbooks and playbooks

• Very good command of English (minimum C1)

Nice to have

• Project experience in software engineering (Go, C/C++, or Python)

• Experience building RESTful services in distributed environments

• Broader exposure to platform engineering or internal developer platforms

What we offer

• Remote work model with occasional visits to Berlin and/or Hamburg

• Participation in a long‑term, international platform program

• High technical ownership and real impact on operational standards

• Stable cooperation and transparent rules

• Access to modern DevOps and cloud‑native technologies

• Collaboration with experienced engineers in a knowledge‑sharing culture

Recruitment process

• HR Interview

• Online technical interview

• Decision and feedback