Remote first tech projects
Senior Site Reliability Engineer, Kubernetes
Location
Greece
Posted
6 days ago
Salary
0
Seniority
Senior
Job Description
Senior Site Reliability Engineer, Kubernetes
Pragmatike
• Operate and maintain Linux-based infrastructure (Debian/Ubuntu). • Deploy, manage, and scale Kubernetes clusters across bare-metal, virtualized, and on-prem environments. • Oversee full cluster lifecycle: upgrades, node pools, networking, storage, and security hardening. • Implement automation for provisioning and operations using Ansible, Bash/Python, and GitOps workflows. • Design and maintain networking architecture including VLANs, L2/L3 routing, VPNs, and multi-site connectivity. • Build automated deployment workflows (PXE boot, Preseed, cloud-init). • Deploy and maintain observability stacks (Prometheus/Grafana, Loki, ELK, Graylog). • Lead incident response and escalation activities across the platform. • Improve system availability and reduce latency at all levels. • Define and implement SLOs/SLIs at multiple infrastructure levels (physical network/hardware, platform virtualization, software services). • Optimize alerting and monitoring pipelines to provide actionable insights. • Establish and maintain on-call schedules to ensure coverage across timezones. • Develop Standard Operating Procedures (SOPs) for repeatable operations and maintenance tasks. • Coordinate physical maintenance for Policlouds (periodic maintenance, hardware issues, DC-Ops). • Manage virtualization and orchestration layers (OpenStack, Proxmox, VMware). • Help develop and maintain overall architecture across all products. • Plan resources for future initiatives, accounting for demand and growth projections. • Work with development teams to improve overall quality and optimize resource utilization. • Collaborate with cross-functional stakeholders (Hivenet, Policloud, Customer Success teams).
Job Requirements
- Expert-level, hands-on experience operating Kubernetes in production environments.
- Strong network engineering skills (VLANs, L2/L3 routing, VPNs, multi-site connectivity) - this is essential for the role.
- Strong proficiency with Linux systems administration (Debian/Ubuntu).
- Solid understanding of networking fundamentals and ability to design complex network architectures.
- Experience building and maintaining automation workflows (Ansible, Bash/Python, Git-based).
- Experience with observability stacks such as Prometheus, Grafana, ELK, Loki, or Graylog.
- Background with virtualization technologies (OpenStack, Proxmox, VMware).
- Experience with bare-metal provisioning and MAAS (Metal as a Service).
- Strong understanding of distributed systems and container orchestration.
- Process-oriented mindset with ability to develop SOPs and operational procedures from scratch.
- Experience with incident response, escalation procedures, and on-call rotations.
- Ability to work autonomously in a fast-paced, engineering-driven environment.
- Strong technical skills combined with alignment to team values.
Benefits
- 100% remote work with flexible hours
- High-impact role with autonomy and ownership
- Collaborative and international engineering team
- Cutting-edge tech stack with strong focus on reliability and automation.
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