Viktor

VIKTOR GRYNIUK
SYSTEM/DEVOPS ENGINEER

Desire to be involved in a project with CI/CD (Jenkins, Gitlab Ci), Unix, Docker, Kubernetes,
Ansible, AWS

SUMMARY:
Clouds: AWS(EKS, ECS, EC2, IAM, RDS)
Continuous Integration: git-flow;
Container orchestration: Docker-compose, Kubernetes, Helm/Helmfile
Virtualization: ESXi, Open source XEN, Windows Hyper-V
Scripting Languages: Bash, PowerShell;
Operating Systems: Linux, Windows Server
Software Configuration Management: Ansible;
Version Control Systems: Git, GitHub;
Building Tools: Jenkins, Gitlab Ci

WORK EXPERIENCE:

Jul-2023 – Till now - Devops Engineer, CEX.IO Corp., https://cex.io/
Customer: Fintech
Project Role: Devops Engineer
Tasks performed:
• Created/managed/supported CI/CD flow
• Created/managed/supported IAC (terraform with aws)
• Wrote helm charts and deployed it in different stages in kubernetes
• Supported dev team requests
Environment:Gitlab, AWS, EKS, ECS, IAM, Dockerfile, Kubernetes, Helm

Aug-2020 – Jul-2023 - Devops Engineer, GlobalLogic Inc., https://www.globallogic.com/
Customer: Multinational networking and telecommunications company
Project Role: Devops Engineer
Tasks performed:
• Created/managed/supported CI flow
• Builded docker images
• Wrote helm charts and deployed it in different stages in kubernetes
• Supported dev team requests
Environment: springboot, Jenkins, Container, Dockerfile, Kubernetes, Helm, Helmfile

May-2019 – Aug-2020 - System Engineer, SoftServe Inc., https://www.softserveinc.com
Customer: Materials science and manufacturing
Project Role: System Engineer
Tasks performed:
• Managed and supported CI flow
• Wrote dockerfile for build images
• Wrote helm charts and deployed it in different stages in kubernetes
• Supported dev team requests
• Supported client requests, bug fixing
• Did POC for use GITOPS and applied it to one of the product
Environment: Jenkins, Container, Dockerfile, Kubernetes, Helm, Helmfile

Sep-2017 - May-2019 - Support Engineer L2, EPAM Systems, http://www.epam.com
Customer: Life Sciences & Healthcare
Project Role: Support Hybris Platform, Track Customer Ticket and fix issue
Tasks performed:
 • Worked on track daily cronjobs and verify it, fixed issued with it. Based on Tivoli
• Supported customer queries (tickets in Remedy)
• Managed and supported Hybris cluster from 8 nodes
• Investigated issues at Hybris and tried to fix it. Collaborated with L3 for hard cases
• Deployed new product versions on weekly basis
• Re-factored/fixed legacy Bash scripts on weekly basis
Environment: Oracle SQL, Jenkins, Docker, Hybris, Oracle, Tivoli

Jun-2016 - Aug-2017 - Linux Administrator, Dreamscape Networks Limited
Customer: Dreamscape Networks Limited
Project Role: Linux Administrator
Tasks performed:
• Managed and created new hosts to existing VMWare cluster more than 50 hypervisors
• Managed and supported Nimble Storage cluster, created, resized, migrated Volumes
• Managed auto deploy new VDS for customer with PowerCLI script
• Supported customers VDS
• Resolved customers VDS problem
• Supported and managed Web servers with applications and Databases on customers VDS
• Supports and managed web panel based on Cpanel, ISPConfig
• Maintained VDS
Environment: Mysql, Apache, Nginx, Cpanel, ISPConfig, Linux

Jun-2014 - Jun-2016 - Linux administrator, PJSC "BANK MYKHAILIVSKYI"
Customer: PJSC "BANK MYKHAILIVSKYI"
Project Role: Linux administrator
Tasks performed:
• Managed and added new hosts to existing VMWare cluster
• Managed and supported Private Cloud based on Microsoft Azure.
• Implemented interaction Private Cloud with VMWare cluster
• Managed and added new storages, build storage cluster based EMC and Fujitsu Storages
• Built SAN network based on Cisco Fiber switches
• Managed Unix servers with Ansible
• Managed Unix servers with Web Applications with Java, PHP based on Tomcat, Apache and
NGINX
Environment: vSphere, ESXi, EMC 5400, Fujitsu, Linux, Mysql, Apache, Nginx, Tomcat, NFS,
VeeamBackup, GlusterFS

May-2013 - Jun-2014 - Linux Administrator, JSC "BROKBUSINESSBANK"
Customer: JSC "BROKBUSINESSBANK"
Project Role: Linux Administrator
Tasks performed:
 Managed and supported Unix Server environment(RedHat, Centos, Oracle Linux)
 Managed and supported Fujitsu Datastorage
Environment: LVM, RedHat, Centos, Oracle Linux, MySQL

Apr-2009 - May-2013 - System Administrator, LLC"Pharmunion"
Customer: LLC "Pharmunion"
Project Role: System Administrator
Tasks performed:
• Managed and supported Unix Server environment(CentOS, Ubuntu, FreeBSD)
• Builded distributed network over vpn
• Monitored OS systems and active hardware with Nagios and Zabbix
• Designed, implemented and supported Network
• Designed, implemented and supported Virtualization (vSphere+Esxi)
 • Implemented, managed and support VDI based on VMWare horizon View v.6
• Supported Network hardware: Cisco, D-Link, Linksys, Foxgate.
Environment: Mysql, Nagios, Zabbix, ESXi, vSphere, Windows, VeeamBackup

EDUCATION
Name of the Education Establishment: National Technical University of Ukraine Kiev Polytechnic
Institute
Faculty/College: Faculty Of Electronics
Degree (diploma): Specialist
Specialty: Engineer

LANGUAGES
Ukrainian: native
English: Intermediate

PERSONAL
Married: yes
Children: 2 sons

CONTACT INFO:
Linkedin: [open contact info](look above in the "contact info" section)
Skype: barabashka311
Viber/Telegram: [open contact info](look above in the "contact info" section)
Mobile: [open contact info](look above in the "contact info" section)