Senior DevOps engineer

Group-IB is a leading creator of cybersecurity technologies to investigate, prevent, and fight digital crime. They are seeking a Senior DevOps Engineer to join their Development team, focusing on building, maintaining, and scaling high-availability systems that power their global services.

Responsibilities:

• Maintain and optimize core server infrastructure, including bare-metal servers, LXC containers, virtual machines, and cloud environments
• Operate and support core infrastructure services such as Nginx, Puppet, GitLab, Artifactory, Nexus, Harbor, Grafana, etc
• Manage and evolve infrastructure following the Infrastructure as Code (IaC) paradigm
• Handle and resolve incidents related to infrastructure operations
• Collaborate closely with cross-functional teams (network engineers, developers, and other technical stakeholders)
• Design and implement high-availability, fault-tolerant, and scalable software solutions
• Monitor service performance and availability using modern observability tools, ensuring system reliability and optimal resource utilization

Requirements:

• 4+ years of experience in Linux administration, DevOps, or Site Reliability Engineering (SRE)
• Strong proficiency in automating tasks using Bash or similar scripting languages
• Solid understanding of networking fundamentals (TCP/IP stack, routing, DNS, etc.)
• Hands-on experience managing bare-metal infrastructure in production environments
• Experience with configuration management systems such as Ansible or Puppet
• Experience with distributed databases (Elasticsearch, Cassandra, MongoDB, MySQL, PostgreSQL, etc.)
• Expertise in Kubernetes administration and managing containerized workloads
• Experience with IaC tools such as FluxCD or ArgoCD
• Ability to design and implement high-performance, fault-tolerant, and secure infrastructure solutions
• Experience with monitoring and observability systems — Zabbix, VictoriaMetrics, Loki, Grafana, etc. — including building dashboards and configuring alerting
• Programming experience in Python, Go
• Experience with cloud providers (AWS, GCP, Alibaba Cloud, or others)
• Familiarity with distributed storage systems (Ceph)
• Experience with service meshes (e.g., Istio)
• Proven track record of working on high-load, large-scale distributed systems