Senior Site Reliability Engineer / Kubernetes (Remote)
At a glance
Senior Site Reliability role at Pragmatike. Remote, Estonia · full-time.
Pay not stated Site Reliability Engineer salary
devopsroles summary, based on the employer's posting.
What you'll do
- Operate Debian or Ubuntu systems and run Kubernetes across bare-metal, virtualized and on-prem environments
- Handle Kubernetes lifecycle work, from upgrades and node pools to networking, storage and security hardening
- Automate infrastructure setup with Ansible, Bash or Python, GitOps, and PXE, Preseed or cloud-init
- Build network designs and monitoring stacks, then lead incidents and improve availability and latency
- Write operating procedures, coordinate hardware upkeep, and plan infrastructure needs with development teams
What you bring
- You have expert hands-on experience running Kubernetes in production
- Strong network engineering is essential, including VLANs, routing, VPNs and multi-site links
- You can administer Debian or Ubuntu Linux and build automation using Ansible, Bash or Python and Git
- You bring experience with observability platforms, virtualization, bare-metal provisioning and incident response
Who this fits
This senior role suits an engineer who can own infrastructure operations and respond to platform incidents. The job is fully remote within a CET ±2-hour window, and fluent English is required. It includes on-call scheduling and coordination of physical maintenance.
From the employer
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.
Site Reliability work from LinkedIn, X, Reddit and Upwork, in one list.
Each morning you get everything that fits, strongest first.
Site ReliabilityRemote
Find me workBy the team behind devopsroles.