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$25 USD / hour
Flag of RUSSIAN FEDERATION
$25 USD / hour
It's currently 5:49 AM here
Joined March 29, 2020
1 Recommendation

Sergei A.

@blazer82

annual-level-two.svg
4.8 (9 reviews)
3.7
3.7
$25 USD / hour
Flag of RUSSIAN FEDERATION
$25 USD / hour
100%
Jobs Completed
82%
On Budget
85%
On Time
8%
Repeat Hire Rate

MikroTik certified network engineer

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.
Freelancer Linux Developers Russian Federation

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Portfolio Items

MikroTik Certified Routing Engineer
MTCRE
MikroTik Certified Network Associate
MTCNA
Design development, implementation, and documentation of a fully fault-tolerant network infrastructure implemented on MikroTik equipment for a large organization's processes that is sensitive to business interruptions.
Fully redundant MikroTik infrastructure.
Smart and self-learning traffic balancing, which allows you to evenly share all the available speed of the Internet channel among users.
MikroTik PCQ (Smart dynamic QoS)
Attractive and convenient Grafanа dashboards in conjunction with the most popular monitoring system as Zabbix - are a great combination for real-time monitoring, for both large monitors and mobile devices.
Grafana dashboards use Zabbix monitoring as a data source.
MikroTik Certified Traffic Control Engineer
MTCTCE

Reviews

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Showing 1 - 5 out of 9 reviews
Filter reviews by: 5.0
€100.00 EUR
Sergei created a nice grafana graph for me according to my needs!
Linux Analytics Network Administration Prometheus Monitoring
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Flag of Claus R. @weinschorle
8 months ago
5.0
$70.00 USD
Sergei did the job requested on time. Very Professional
System Admin Linux Computer Security Cisco Network Administration
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Flag of Amin Q. @ArtisticTeam
9 months ago
5.0
$100.00 USD
Helped fast und uncomplicated.
System Admin Linux Ubuntu
S
Flag of Stefanie G. @stefaniegross
1 year ago
5.0
$10.00 USD
helped me perfectly;)
Python Linux Web Scraping Software Architecture Shell Script
K
Flag of Stephan K. @kerhart
1 year ago
4.4
$125.00 USD
Was available only few hours per day for work at that time. Therefore, the project took a bit longer than required due to communication only few hours per day.
System Admin Linux Troubleshooting Cisco
+1 more
K
Flag of Ecaterina P. @KatrinaOffice
2 years ago

Education

mathematician

Kazahskij Nacionalnij Universitet im. Al Farabi, Kazakhstan 2000 - 2004
(4 years)

Qualifications

MTCRE (2020)

https://wnet.shop
2020
MikroTik Certified Routing Engineer

MTCNA (2020)

https://wnet.shop
2020
MikroTik Certified Network Associate

MTCIPv6E (2020)

https://mikrotik-courses.ru
2020
MikroTik Certified IPv6 Engineer

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Top Skills

Linux 9 System Admin 6 Network Administration 6 Cisco 4 Troubleshooting 2

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