Key skills
Linux administrationDevOpsSite Reliability EngineeringBash scriptingBare-metal infrastructure managementAnsiblePuppetElasticsearchCassandraMongoDBMySQLPostgreSQLKubernetes administrationFluxCDArgoCDInfrastructure as CodeZabbixVictoriaMetricsLokiGrafanaPython programmingGo programmingAWSGCPAlibaba CloudCephIstioNetworking fundamentalsPythonGoBashKubernetesNGINXGitLab
About this role
Group-IB is a leading creator of cybersecurity technologies to investigate, prevent, and fight digital crime. They are seeking a Senior DevOps Engineer to build, maintain, and scale high-availability systems that power their global services, collaborating with experienced engineers to ensure robust and efficient infrastructure.
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