Kirill

Tech Skills
Networking: TCP/IP, VLAN, NAT, DHCP, DNS; routing & load balancing;
VPN: WireGuard, OpenVPN, IPsec (deployment, security, split-tunnel);
Databases: MySQL, PostgreSQL, MariaDB, MongoDB (replication, optimization, backups);
Linux: CentOS, Debian, Ubuntu (system administration and optimization);
Windows Server: RDS farm, FSLogix (remote desktop support);
Authentication: LDAP, Active Directory (multi-domain, GPO, access control);
Cloud: AWS (EC2, S3), Oracle Cloud (infrastructure and migrations);
CI/CD: Jenkins, GitLab (pipelines, deployment automation);
Containers: Docker, Podman, k3s (containerization and orchestration);
Virtualization: Proxmox VE (clusters, LXC/QEMU), VMware vSphere (clusters, vSAN,
infrastructure management);
Monitoring: Zabbix (LLD, templates, alerting), Prometheus, ELK, Graylog, Sentry;
Web: LEMP, PHP-FPM (web service support and optimization);
Mail: Postfix, Dovecot (mail system administration);
Cache/Queue: Redis, RabbitMQ (caching and message queues);
Automation: Ansible, Bash, PowerShell, Python (scripts and process automation);
Bare metal: MaaS, LOM, NixOS (server deployment and maintenance);

Professional Experience
- Linux System Administrator (Part-time), KB Dneprovskoye (Government Sector) February
2015 - May 2017 - September 2020 - October 2023
- Provided remote service and maintenance of infrastructure for government-related projects.
- Rebuilt work environments to improve system performance and reliability.
- Monitoring and troubleshooting various infrastructure issues, ensuring stable operation.

- System Administrator, Fintech Company SoftGarden (2019-2021; 2021-2023)
-Managed and organized services across multiple hypervisors, includingl ocal server setups
for datastorage, databases, containers, and virtual machines.
- Performed migrations and set up services from scratch (RocketChat, LEMP,
LDAP, Docker) to meet company needs.
- Played a key role in company growth by integrating and automating systems, scaling from
25 to over 200+ workstations.
-Led the migration of bare-metal services to cloud environments, optimizing performance and
flexibility.