Senior Site Reliability Engineer / Kubernetes (Remote)

Job Description

Location: Fully remote EU timezone (CET ±2h)
Start date: ASAP
Languages: Fluent English is mandatory
Industry: Cloud Computing

We are hiring at Pragmatike to expand our team and drive the growth of our internal projects.

Our focus is on developing cutting-edge solutions in Cloud Computing, while fostering a culture of collaboration and innovation. Joining us means being part of a passionate team where your ideas and skills directly contribute to shaping tomorrows technologies.

If you're excited about working on ambitious projects in a dynamic and flexible environment, we'd love to hear from you!

Responsibilities
-
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).

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.

Nice To Have
-
Experience with service mesh (Istio, Linkerd) or advanced CNI implementations.

-
Knowledge of Cloudflare APIs, DNS automation, or tunnel configurations.

-
Experience with GPU infrastructure, node preparation, or resource scheduling.

-
Familiarity with security best practices (RBAC, firewalls, network policies).

-
Exposure to IT asset management or license tracking workflows.

-
Experience working in multi-timezone environments and coordinating across distributed teams.

-
Background establishing reliability practices and SRE frameworks in growing organizations.

Why Join Us:
-
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.