Сергій

Serhii Kuranda
DevOps Engineer

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Kyiv, Ukraine

ABOUT ME:
Since 2009 my lifestyle has been tight associated with the IT industry.
I was involved in system administration, network administration, creating a new infrastructure and restoring an existing one. Was engaged in administration of large subnets, interindustry communication channels. Engaged in the implementation and support of IP-telephony.
For the last 3 years, he has been directing his efforts towards the development of the DevOps direction.
Now I am looking for an inspiring work environment that will give me the opportunity to develop in this direction and allow me to fully devote myself to the development of a common cause.
Pre-intermediate English, but I am gradually improving my level of proficiency in it, not only in reading, but also in speaking.
SUMMARY OF QUALIFICATIONS:
Build of infrastructure from scratch, modernization of existing infrastructure.
Experience with Linux OS (Ubuntu, CentOS, Mint, Gentoo). Administration and troubleshooting: systemd/init.d, journald, ps/df/netstat/iostat, lvm, mdadm.
Windows administration and troubleshooting, implementation and administration Terminal Services, Mail Services and Remote Desktop planning, AD, GPO.
Experience with file subsystem: NFS, Minio, S3, SSHFS, FUSE, BTRFS, online fs expansion…
Experience in configuring and installing the required software, installing programs from source with finding and eliminating dependencies or conflicts between software versions. Kernel compilation.
Networking (ip, dns, vlan’s), Routing (route, ospf), Firewall setup (iptables, fail2ban).
Virtualization: VMWare, Hyper-V, Proxmox. Working with the main AWS technology stack: EC2, RDS, S3, EFS, CloudFront, CloudWatch, Lambda, LB/Autoscale.
Database: creation, access control, maintenance. Backups/Restoring/Verification. Dividing databases (sharding/partitioning). Percona Tools. HeidiSQL/PGAdmin.
GIT. CI&CD. Jenkins. Implement CI&CD process. Formation of a local server with distribution of access rights, automation of uploading to an online environment, support for dev/stage/prod environments, etc.
Docker. Containers, Swarm, Stack, Docker Compose. Volumes (bind, ro/rw, remapping), Networks (overlay, bridge, host). Docker Secrets, Docker Configs. Multistage build.
Experience in programming (Delphi, C#), execution and automation scripts (Bash, PowerShell, some process by Python/Lua/Golang). Understanding WEB programming (PHP, HTML, CSS, JS). Node/React (npm, yarn, next). Some experience of java-coding (gradle, maven). Debugging, editing code, building projects.

SKILLSET
Cloud: AWS, Azure, Hetzner
Virtualization: VMWare, Hyper-V, Proxmox
Network: DNS, Firewall, Gateway, Subnets
Ops: Linux and Windows experience, Docker, Systemd/init.d, Supervisor
CI&CD: Gitlab CI, Jenkins
Scripting language: Bash, PowerShell, Python, Golang
VCS: GitLab, GitHub, Bitbucket
Web: Nginx, Apache, PHP/PHP-FPM, Caddy
Databases: MySQL/MariaDB, PostgreSQL, MSSQL
Monitoring: Grafana, Prometheus, Zabbix
Mail: Postfix, Zimbra, Exchange
EMPLOYMENT
January 2023 – Current time
Luminiworks
DevOps Engineer

July 2022 – January 2023
TATL Development
DevOps Engineer

January 2022 – December 2022
Inlimited
DevOps Engineer

September 2014 – December 2021
KRONAS
IT Department Chief

April 2011 – September 2014
KRONAS
System Administrator

September 2009 – April 2011
“NBS SERVICE”, LLC
System Administrator

October 2008 – April 2009
Kyivstar
Call Center Operator

November 2007 – August 2008
Metro Cash And Carry
Cashier
EDUCATIONAL BACKGROUND
2004 - 2009
National Aviation University
Faculty of Control Systems

2002 - 2004
Institute "Ukrsteno"
Basic course of IT and programming
CERTIFICATION
July 2018
Education Center “Network Technologies”
NT Security IT. Building an ISMS (information security management system)

May 2015
Education Center “Network Technologies”
M50255. Manage the Windows environment with group policies.

April 2013
Education Center “Network Technologies”
NT-VOIP. Building IP-telephony and instant messaging systems based on free software

September 2012
Education Center “Network Technologies”
Azure Workshop for IT specialists