Your expertise: * Strong Kubernetes experience (3+ years): cluster lifecycle, troubleshooting, networking, storage, and workload management * Infrastructure as Code proficiency (Terraform, 2+ years): writing, maintaining, and evolving Terraform modules and state management * Configuration management experience (Puppet, Ansible, or similar, 2+ years) * Advanced Linux / Unix administration (4+ years) * Virtualization experience (Proxmox / KVM / QEMU): provisioning, tuning, and maintaining VM clusters * Monitoring and observability experience (Prometheus, VictoriaMetrics, Grafana, or similar stack) * CI / CD skills (Jenkins, GitLab CI, or similar) * Scripting skills (Bash, Python) * Understanding of network fundamentals (DNS, HTTP / S, TCP / UDP, NAT, firewall rules) * Experience with Git-based workflows and documentation practices (Confluence, wikis) * Strong troubleshooting and root-cause analysis skills * Be able to work as part of the team * Language: English B1+ (Intermediate+)
Will definitely be a plus: * Experience with Kubespray deployments and cluster upgrades * Hands-on experience with VictoriaMetrics or Thanos for long-term metrics storage * Experience with OCI (Oracle Cloud Infrastructure) * Knowledge of Puppet / OpenVox ecosystem (Hiera, r10k, PuppetDB) * Experience with Proxmox PVE cluster management and Ceph storage * Familiarity with Jitsi or similar real-time communication platforms * Networking skills (VLAN, VXLAN, BGP, SDN concepts) * Infrastructure security implementation skills * Experience with Scrum / Kanban processes * Knowledge of a programming language (Go, Python, Ruby)
What’s in it for you? * Opportunity to deal with top-notch technologies and approaches in a world-leader product company with millions of customers * Opportunity to make a difference for online privacy, freedom of speech, and net neutrality * Decent market rate compensation depending on experience and skills * Developed corporate culture: no micromanagement, culture based on principles of truth, trust, and transparency * “You build it, you own it” mentality in most contexts * Support of personal and professional development * coverage of costs of external trainings, conferences, professional literature * support of experienced colleagues * in-house events and trainings * regular knowledge sharing in teams * English classes and speaking clubs * Life-balance support * truly flexible schedule, no time-tracking at all * 25 working days of vacation * 5 days of paid sick leave per month (if necessary) without providing a medical certificate * generous maternity / paternity leave program * Professionally strong environment, friendly and open atmosphere, ability to influence the product development and recognition for it
You will be involved into: * Design, deploy, and maintain self-hosted Kubernetes clusters using Kubespray * Develop and evolve Terraform modules for infrastructure provisioning across Proxmox, OCI, and internal platforms * Manage and improve VictoriaMetrics monitoring clusters and Grafana dashboards * Maintain and extend Puppet / OpenVox configuration management for the infrastructure fleet * Administer Proxmox PVE clusters: virtual machine lifecycle, storage, networking, and performance tuning * Build and maintain CI / CD pipelines for infrastructure and application delivery * Troubleshoot complex infrastructure issues across virtualization, container orchestration, and networking layers * Write and maintain technical documentation and runbooks * Automate routine operational tasks and improve infrastructure reliability * Participate actively in team processes, share knowledge, and contribute to engineering culture
What the candidate will do at the start:
After onboarding the candidate will be engaged in the following activities: * Get familiar with the existing Terraform modules and contribute improvements to Proxmox and VictoriaMetrics provisioning pipelines * Join the Kubernetes stream: participate in Kubespray-based cluster upgrades and day-2 operations * Automate recurring manual procedures — identify toil, propose and implement IaC or scripted replacements * Extend Puppet / OpenVox configuration coverage for infrastructure nodes, reducing configuration drift * Contribute to monitoring stack improvements: dashboards, alerting rules, and VictoriaMetrics cluster tuning * Participate in OCI infrastructure support for Jitsi workloads
About the company and project:
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Our culture is built on the values that we live every day; the way we work, the way we collaborate with our global network of colleagues and the way we relentlessly innovate solutions that meet the emerging needs of our customers.
The Platform Engineering team builds and maintains the core infrastructure layer that powers multiple products and internal services. Our mission is to treat every piece of infrastructure as code — eliminating manual actions, maximizing reproducibility, and enabling teams to ship faster on a reliable, self-service platform.
We operate with an IaC-first mindset: if something can be automated, it must be automated. From cluster provisioning to monitoring rollout to configuration management, every layer is defined in Terraform modules, Puppet manifests, or Kubespray inventories — never as a one-off manual procedure.
Our primary streams include: * Proxmox PVE — clusters and virtual machines * Kubernetes — self-hosted clusters provisioned via Kubespray * VictoriaMetrics — self-hosted monitoring clusters deployed through our custom Terraform module * Puppet / OpenVox — self-hosted configuration management clusters as Terraform modules with customization * OCI infrastructure — Kubernetes with Jitsi and related workloads
We are looking for a Senior DevOps Engineer with solid, hands-on experience in infrastructure, Infrastructure as Code, and Kubernetes — someone who is driven to grow, thinks automation-first, and is ready to help us build a platform where manual intervention is the exception, not the rule.
