Spotware Systems is seeking a highly skilled Senior DevOps Engineer with extensive experience in supporting Java-based product environments. This role is ideal for someone who blends deep infrastructure knowledge with automation expertise, has a solid understanding of modern DevOps practices, and thrives in complex, distributed systems. You will be instrumental in ensuring scalability, reliability, and security across our production environments.

Responsibilities 

• Design, build, and maintain CI/CD pipelines using GitLab CI and Jenkins.
• Automate infrastructure and application deployments with Ansible.
• Manage Kubernetes clusters, including CNIs, networking, and troubleshooting.
• Deploy and manage services using Helm and helm-file.
• Implement and maintain monitoring and observability stacks (Prometheus, Grafana, Loki, VictoriaMetrics, ELK).
• Set up distributed tracing with OpenTelemetry.
• Profile applications and systems using tools like perf, pprof, and Java heap dump analyzers.
• Ensure security best practices across CI/CD, secrets management (Vault, Sealed Secrets), and static code analysis (SonarQube).
• Optimize containerization workflows, focusing on image layering, distroless builds, and runtime management (containerd, CRI-O).
• Manage networking in Kubernetes: Services, Ingress, NetworkPolicies, DNS, and external load balancer integrations.
• Troubleshoot complex networking issues using tcpdump, traceroute, Netstat, and other diagnostic tools.
• Contribute to infrastructure as code (Terraform, where applicable).
• Develop and maintain scripts and tools in Go, Python, Bash, and Groovy.
• Support and optimize Java-based microservices in production.

Requirements 

• 3+ years of experience in DevOps or SRE roles.
• Proven expertise with Helm, helm-file, and Ansible in production.
• Strong background supporting Java-based microservices.
• Hands-on experience with GitLab CI and Jenkins pipelines.
• Deep knowledge of Kubernetes (core components, CNIs, networking).
• Strong understanding of Linux systems in production.
• Experience with monitoring and observability: Prometheus, Grafana, Loki, VictoriaMetrics, VictoriaLogs.
• Familiarity with distributed tracing using OpenTelemetry.
• Experience with secrets management (Vault, Sealed Secrets).
• Strong troubleshooting skills with networking (TCP/UDP, DNS, load balancing, ingress controllers).
• Competency in Go, Python, and Bash scripting.
• Understanding of microservices architecture, event-driven architecture and the CAP theorem.
• Proven ability to support incident response and on-call rotations.

Nice to Have 

• Experience with Infrastructure as Code (Terraform).
• Familiarity with Service Meshes (Istio, Linkerd).
• Knowledge of advanced networking (eBPF, Calico, Cilium, IPVS).
• Experience with profiling tools and JVM troubleshooting (Eclipse MAT, jmap).
• Exposure to CI/CD security best practices and static analysis tools like SonarQube.

Working Conditions

• Competitive salary.
• Private medical insurance.
• Relocation support (if applicable), including an entry permit, relocation bonus, flight tickets, and airport pickup.
• Support with settling into life in Cyprus, including accommodation, banking, healthcare, and everyday guidance.
• Comfortable office environment with fresh fruit every day, treats or pizza on Wednesdays, and snack day on Fridays.
• Fair remuneration based on your experience, skills, and level of responsibility.
• Welcome Baby Bonus and Baby Box.
• Birthday voucher.
• Partial compensation for sports activities and wellness initiatives.
• Greek language classes.