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Pragmatike

Senior Site Reliability Engineer / Kubernetes (Remote)

All locations for this role
Portugal
Greece
Estonia
Romania
Poland
Latvia
Albania
Italy
Location
Greece
Work mode
remote
Type
full-time
Department
Work with our Clients
Last seen
23h ago
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).
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Deploy, manage, and scale Kubernetes clusters across bare-metal, virtualized, and on-prem environments.
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Oversee full cluster lifecycle: upgrades, node pools, networking, storage, and security hardening.
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Implement automation for provisioning and operations using Ansible, Bash/Python, and GitOps workflows.
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Design and maintain networking architecture including VLANs, L2/L3 routing, VPNs, and multi-site connectivity.
•
Build automated deployment workflows (PXE boot, Preseed, cloud-init).
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Deploy and maintain observability stacks (Prometheus/Grafana, Loki, ELK, Graylog).
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Lead incident response and escalation activities across the platform.
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Improve system availability and reduce latency at all levels.
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Define and implement SLOs/SLIs at multiple infrastructure levels (physical network/hardware, platform virtualization, software services).
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Optimize alerting and monitoring pipelines to provide actionable insights.
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Establish and maintain on-call schedules to ensure coverage across timezones.
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Develop Standard Operating Procedures (SOPs) for repeatable operations and maintenance tasks.
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Coordinate physical maintenance for Policlouds (periodic maintenance, hardware issues, DC-Ops).
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Manage virtualization and orchestration layers (OpenStack, Proxmox, VMware).
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Help develop and maintain overall architecture across all products.
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Plan resources for future initiatives, accounting for demand and growth projections.
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Work with development teams to improve overall quality and optimize resource utilization.
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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).
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Solid understanding of networking fundamentals and ability to design complex network architectures.
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Experience building and maintaining automation workflows (Ansible, Bash/Python, Git-based).
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Experience with observability stacks such as Prometheus, Grafana, ELK, Loki, or Graylog.
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Background with virtualization technologies (OpenStack, Proxmox, VMware).
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Experience with bare-metal provisioning and MAAS (Metal as a Service).
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Strong understanding of distributed systems and container orchestration.
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Process-oriented mindset with ability to develop SOPs and operational procedures from scratch.
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Experience with incident response, escalation procedures, and on-call rotations.
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Ability to work autonomously in a fast-paced, engineering-driven environment.
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Strong technical skills combined with alignment to team values.
Nice To Have
•
Experience with service mesh (Istio, Linkerd) or advanced CNI implementations.
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Knowledge of Cloudflare APIs, DNS automation, or tunnel configurations.
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Experience with GPU infrastructure, node preparation, or resource scheduling.
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Familiarity with security best practices (RBAC, firewalls, network policies).
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Exposure to IT asset management or license tracking workflows.
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Experience working in multi-timezone environments and coordinating across distributed teams.
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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.
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