I am a lead network engineer working in ISP (>100 Cisco routers and MikroTik APs) and having over 10 years of experience in configuring, maintaining and troubleshooting of enterprise network devices (routers, firewalls, switches) and Linux servers.
My skills:
- routing (BGP, OSPF, EIGRP, RIP, CARP),
- VPN (OpenVPN, IPSec, WireGuard, L2TP, PPtP, SSTP, IPIP, EoIP, PPPoE),
- security and firewalls (Cisco ASA, pfSense/OPNsense, D-link DFL, IPTables, IPFW),
- switching (PAgP/LACP, ERPS, STP family, VTP/GVRP)
- network simulation (Cisco Packet Tracer, UNL/EVE-NG, GNS3)
- traffic analyzers (Wireshark, tcpdump),
- Wi-Fi (channel bonding, MIMO, WDS, etc.),
- QoS (FIFO, RED, SFQ, PCQ)
- Linux (Debian, Ubuntu Server), FreeBSD,
- Zabbix and Grafana,
- IPv6<>IPv4 translation (Jool/SIIT),
- bash scripting, RegExps, JSON
I've completed courses and passed exams successfully:
- MTCRE (MikroTik Certified Routing Engineer)
- MTCIPv6E (MikroTik Certified IPv6 Engineer)
- MTCTCE (MikroTik Certified Traffic Control Engineer),
- MTCNA (MikroTik Certified Network Associate),
- Cisco TSHOOT (CCNP),
- Cisco SWITCH v2.0 (CCNP),
- CCNAX (CCNA accelerated),
- Linux LL-101.