Anton Cherkasov

15+ years of experience building reliable infrastructure and automation

About

DevOps/SRE engineer with over 15 years of experience — from system administration to leading a DevOps team at a major bank. Specialized in Kubernetes/OpenShift, CI/CD (Jenkins, ArgoCD), Terraform and Ansible. Maintaining 99.95% SLA for Sberbank's high-traffic services including SBOL and an LLM-based AI assistant.

15+
years of experience
~10
team members
99.95%
SBOL SLA

Experience

Team Lead SRE/DevOps · Sberbank Nov 2024 — present
  • Leading a team of ~10 DevOps/SRE engineers: task distribution, 1-on-1s, code reviews, mentoring
  • Maintaining 99.95% SLA for SBOL (Sberbank Online) under high load conditions
  • Coordinating with development, QA and security teams for reliable release processes
  • Implementing measures to reduce MTTR and improve fault tolerance
Key Results
  • Established SRE standards for GPU-backed AI services: fault tolerance, autoscaling, and end-to-end observability
  • Migrated ELK clusters to OpenSearch with geo-redundancy and zero downtime
  • Re-architected metrics infrastructure from Prometheus to VictoriaMetrics for improved scalability and retention
Senior SRE/DevOps · Sberbank Dec 2021 — Nov 2024
  • Designed infrastructure solutions and deployment architectures independently
  • Supervised Kubernetes (OpenShift) clusters, including GPU nodes for ML/AI workloads
  • Provided CI/CD automation (Jenkins, ArgoCD, Helm) and cloud infrastructure management (Terraform, Ansible)
  • Conducted complex incident post-mortems and reduced MTTR
  • Contributed to the integration of an LLM-based AI assistant into the product search system
  • Maintained collaboration with development, QA and security teams
Key Results
  • Migrated from OpenShift to bare-metal Kubernetes clusters
  • Introduced Istio service mesh to enforce mTLS, observability, and banking security compliance across microservices
  • Migrated secrets management to HashiCorp Vault, centralizing credential storage and enabling automated rotation
Middle SRE/DevOps · Sberbank Jun 2021 — Dec 2021
  • CI/CD pipeline setup and maintenance (Jenkins, BitBucket, Quality Gates (SAST, OSS))
  • Deployed microservice applications to Kubernetes (OpenShift)
  • Supplied monitoring support (Prometheus, Grafana, Thanos) and logging (ELK/OpenSearch)
  • Provided operational infrastructure support within the team
Key Results
  • Redesigned the CI/CD platform to meet strict banking compliance standards and migrate to Helm and ArgoCD
Enterprise System Administrator · Decima LLC Oct 2013 — Jun 2021
  • IT infrastructure support: 20+ servers (Windows Server, Ubuntu, CentOS, Hyper-V, VMware ESXi)
  • Microsoft solutions administration: AD, Exchange, SharePoint, TFS, WSUS, MSSQL
  • Linux stack: Postfix, KVM, Docker, Ansible, Kubernetes, MySQL, PostgreSQL, Zabbix
  • Automation with Bash, PowerShell, Python
  • Network equipment configuration (HP, D-Link, MikroTik, Ubiquiti); support for 100+ workstations
System Administration Specialist · MSRU Mar 2010 — Feb 2013
  • Cisco network equipment maintenance, IP telephony (Cisco Call Manager)
  • Microsoft server platform administration, support for ~1000 workstations (VPN, AD)
  • Computer and peripheral equipment maintenance, workstation setup, user support

Skills

Orchestration

KubernetesOpenShiftDocker

CI / CD

JenkinsArgoCDHelmGit

Infrastructure as Code

TerraformAnsibleGitOps

Monitoring

PrometheusVictoriaMetricsGrafanaThanos

Logging

ELKOpenSearchKibanaElasticsearch

Security

IstioHashiCorp Vault

Platforms

Windows ServerVMware ESXiHyper-V

Programming Languages

PythonBashPowerShell

Databases & Messaging

PostgreSQLMySQLMSSQLKafka

Education

Master's — Computer Science & Computational Technology
Moscow State Regional University (MSRU)
2013
Bachelor — Informatics
Moscow State Regional University (MSRU)
2011