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$24 USD / hour
Flag of RUFlag of RU
$24 USD / hour
It's currently 8:27 AM here
Joined March 29, 2020
1 Recommendation

Sergei A.

@blazer82

monthly-level-two.svg
4.8 (7 reviews)
4.8 (7 reviews)
3.6
3.6
$24 USD / hour
Flag of RUFlag of RU
$24 USD / hour
100%
Jobs Completed
77%
On Budget
82%
On Time
10%
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, 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, - bash scripting. 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 7 reviews
Filter reviews by:
5.0
$100.00 USD
Helped fast und uncomplicated.
System Admin
Linux
Ubuntu
S
Flag of CH Stefanie G. @stefaniegross
20 days ago
5.0
$10.00 USD
helped me perfectly;)
Python
Linux
Web Scraping
Software Architecture
Shell Script
K
Flag of LI Stephan K. @kerhart
2 months 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 AE Ecaterina P. @KatrinaOffice
8 months ago
5.0
€120.00 EUR
Sergei communicated correctly before and during the project, which was very important for me. He also delivered the changes and kept me in the loop. Great experience!
System Admin
Linux
Apache
UNIX
E
Flag of BE Filip H. @EYCBelgium
8 months ago
4.4
$100.00 USD
All works fine so far no troubles
System Admin
Linux
Asterisk PBX
VoIP
Debian
K
Flag of AE Ecaterina P. @KatrinaOffice
9 months 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
7
System Admin
5
Network Administration
4
Cisco
3
Troubleshooting
2

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