Dmytro Prokhorenkov
Date of birth: 02 December 1987
Marital status: married, 1 child
Contacts:
- email: [email protected]
- Skype: liet.kynes
- mobile: 0176 74 66 91 38
Skills & abilities
- 11+ years in experience working in IT
- Deep knowledge of SysOps activities: OS administration, infrastructure provisioning and monitoring, system backups
- Good knowledge of DevOps activities: code deployment, CI, containers and orchestration, microservices
- Deep knowledge of network activities: infrastructure support, desing and configuration, BGP management
- Focused on documenting all the steps in project
- Aspiration for innovation
- Hard-working and excelent team-player
- Unlimited legal status and work permit in Germany
Key techologies
Cloud
- AWS Services: EC2, EBS, RDS, Route53, CloudFormation, VPC, Loadbalancers, IAM, IAM roles, Autoscaling, S3, Glacier, CloudWatch, AutoScaling, AWS CLI tools
- Google Cloud: Compute Engine – VM Instances, Storage
- DigitalOcean: Droplets
- ProfitBricks: VM’s, S3 compatible storage, Load Balancers
Virtualization
- VMWare
- KVM
- Xen
Containers and orchestration
- Kubernetes
- Docker
- LXC/LXD
Monitoring
- Icinga2
- Nagios
- Collectd
- Grafana + InfluxDB
- Netflow: nfsen
Logging
- ELK + Beat’s
- Splunk
Programming
- Python
- POSIX Shell
- Perl
- PHP
- Expect
Versioning control systems
- gitolite
- gitlab
CI/CD
- Jenkins
- Gitlab-CI
Automation and provisioning tools
- Saltstack
- Terraform
- Puppet
Networking
- Dynamic routing protocols: BGP, OSPF
- Secure tunnels: IPSEC (route- and policy-based), Easy VPN, OpenVPN, SSL VPN
- Hardware solutions: Cisco, Juniper, Dell, DLink, Aruba etc
VoIP
- Asterisk
- Cisco CallManager
Education
National Technical University of Ukraine ‘Kyiv Polytechnic Institute’, Applied Mathematics Specialist of Computer Systems and Networks 2004 - 2011
Expirience
| July 2015 - now | System Administrator, DeliveryHero AG |
| Oct 2013 - July 2015 | IT System Analyst, Advanced Telecomunications Ltd |
| June 2012 - Oct 2013 | System Administrator, Video Internet Technologies |
| July 2009 - June 2012 | NOC, Skif ISP Ltd Ukrainian Internet Operator |
| Nov 2007 - June 2009 | NOC, Freenet Ltd |
| Feb 2007 - Nov 2007 | Technical support, Freenet Ltd |
Detailed expirience
System Administrator — Delivery Hero
July 2015 - now
- SaltStack and Puppet servers/vm configuration automation
- Creating Terraform plans for internal projects
- Managing centralized logging systems: Splunk, ELK
- Working on new platform based on Kubernetes
- Infrastructure monitoring and configuration of monitoring tools
- Infrastructure backups and disaster recovery procedures
- Managing infrastructure and accounts in Amazon AWS
- Managing CDNs configuration: Akamai, CloudFlare
- Network administration and planning (Fortigate, Vyatta/VyOS, custom Ubuntu based firewall)
- Server initial deployment
IT System Analyst — Advanced Telecommunications
Oct 2013 — July 2015
- Design internal network infrastructure: BGP, IPSEC tunnels, wireless network
- Administration mail servers and services (Postfix, Dovecot) and Cisco IronPort (server and virtual appliance)
- Administration SIP servers: Cisco CUBE, Cisco CallManager, Asterisk
- Configuring monitoring infrastructure: Icinga, Check_MK, CollectD
System Administrator — Video Internet Technologies
June 2012 - Jan 2014
- Managing BGP for own network and AS
- Service and hardware administration of office and network
- Managing VMWare VSphere Server
- Planning of company internal network and services (web-, file- and svn storage, backup system etc)
- Managing and support mail server (Exim+Cyrus+openbsd-spamd+spamassassin)
- PXE server for Windows images automated installation
- Linux images development for embedded systems
NOC — SKIF ISP LTD Ukrainian Internet Operator
July 2009 - June 2012
- Researching for new hardware and software solutions, design and implementation (IP-Unnumbered, global user authorization system, soft routers based on OpenBSD and Linux)
- Interaction with service providers
- IT staff training
- IPv4/IPv6 network design and management. Hardware equipment (routers/switches: Cisco, Juniper, eXtreme, etc) research and implementation
- Research, programming and support of ISP Billing system (introduction of new functions, automation of processes, programming gates for payment systems)
- Support of services (Postfix, Cyrus, PostgreSQL)
Freenet Ltd
Nov 2007 - June 2009 - NOC
Feb 2007 - Nov 2007 - Technical support
- Implementing monitoring solution based on Nagios+NagVis
- Managing and planning network infrastructure
- Implementing billing automation
- IT staff training
- Services support