Sergey Vasiliev

Berufserfahrung von Sergey Vasiliev

• Bis heute 1 Jahr und 10 Monate, seit Aug. 2022

  Network Engineer

  UniCredit Bank Russia

  - Performing migration of all bank services in geo-distributed CLOS topology data centers based on Cisco Nexus and Arista to increase stability, accessibility and decrease DR time. - Maintaining and troubleshooting Checkpoint and Fortinet firewalls as well as network devices.

• 4 Jahre und 8 Monate, Jan. 2018 - Aug. 2022

  Network Engineer

  Megafon

  - Planned and implemented full replacement of access and core layer routers and switches in 9 DC across the country, implemented dynamic routing based on BGP, OSPF and tunneling based on IPSec and DMVPN between them - Planned and implemented replacement of NGFW solution (Sophos UTM to Checkpoint) in 2500+ retail offices, created and deployed NGFW security policy, both access and IPS, from scratch. Implemented role-based access for all employees (>10000). Implemented VPN solution based on Checkpoint.

• 1 Jahr und 4 Monate, Okt. 2016 - Jan. 2018

  Network Engineer

  Antalex

  - Planned and implemented replacement of old EOL core routers to the new ones, planned migration on a new ISP and successfully did it. - Maintained firewall and NGFW security policy based on Cisco ASA and Stonegate. - Worked closely with IT technical support and with user requests in service desk.