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Mykola Yaroshenko
Network Engineer
Experience
2024 - Current
"BlackThorn Vision" LLC, Lviv
Senior Network Engineer
Deployed a cloud based solution to improve remote endpoints connectivity
to crucial services, improved VPN infrastructure.
Audit of Azure services, improved security and access control.
Contact Security audit and hardening.

2022 - 2024
Phone
"Retail Services Group USA" LLC, Charlotte
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NOC Director
Email Improving clients infrastructure, planning, implementation and maintenance.
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Development of technical documentation.
Creating a knowledgebase of issues and solvation.
Address Improving current PRTG monitoring and alerting triggers.
Ukraine, Kyiv
Team training using Cisco Packet Tracer, EVE-NG, PnetLAB

2018 - 2022
Education "IT-Enterprise" LLC, Kyiv
Network Engineer
2012-2014 Designed and implemented cloud network infrastructures along with intra-
Specialist and inter-data center connections.
State University of Information and Monitored network capacity and performance to diagnose and resolve
Communication Technologies complex network problems.
2008-2012 Initiated and managed network test facilities to verify network hardness and
Bachelor resilience.
State University of Information and Implemented options for disaster recovery and remote access security.
Communication Technologies Installed, configured and provisioned Zabbix, Prometheus, Grafana to
monitor and alert about critical infrastructure nodes.
Expertise
2014 - 2018
"SmartNet" LLC, Kyiv
Firewalls, VPNs and security products
Computer Systems Engineer
Loadbalancers and proxies Supported users in setup and configuration of purchased devices.
Managed and administered load balancing tasks for wireless and wired
Windows and Linux administrator
networks, routing and shaping traffic to reduce service interruptions and
TCP/IP protocol network strain.
Performed network security design and integration duties.
Microsoft Exchange Configured and troubleshot VoIP and multi-media distributed systems and
platforms.
Cloud services Azure and OCI
Diagnosed network problems involving combination of hardware, software,
power and communications issues.

Language 2008-2008
"Misto Bank" Corp., Kyiv
English System Administrator
Ukrainian Provided basic end-user troubleshooting and desktop support.
Russian Documented support interactions for future reference.
Configured hardware and granted system permissions to new employees.
Identified and solved technical issues using variety of diagnostic tools and
tactics.