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$50 USD / hour
$50 USD / hour
It's currently 8:48 AM here
Joined May 23, 2011
0 Recommendations

A.K.M. Tohidur R.


5.0 (50 reviews)
$50 USD / hour
$50 USD / hour
Jobs Completed
On Budget
On Time
Repeat Hire Rate

Network & System Specialist |CCNP|CCNA|RHCE |CEH

✅As a highly skilled and experienced network and system administrator with over 08 years of expertise, I hold notable certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH) . I have established myself as an accomplished network, system, and security engineer, capable of delivering complete solutions for designing, configuring, automating, and managing network and system projects. My proficiency in using simulation software such as Packet Tracer and GNS3, as well as real-life network and system devices, make me a valuable asset for any project. My few hands-on experiences is : ✅Network Design by MS Visio, Cisco packet tracer, GNS3, and EVE-NG ✅Netacad CCNA and CCNP packet tracer Labs activities, projects design and solution ✅Cisco routers, switches, FTD, FMC, and ASA firewalls. ✅WatchGuard, Palo Alto, CheckPoint Firewall, SonicWall, Fortigate, pfSense, OPNsense, Huawei firewalls. ✅Ubiquiti UDM Pro, Unifi Cloudkey, USG UniFi Firewall , Security Gateway, Switch, and AP devices ✅ Netgear, Huawei, Aruba switch, DrayTek router, TP-Link and others vendor wireless router configurations. ✅MikroTik Routers and switch configuration ✅ SNMP monitoring configuration: Observium, Librenms, Cacti, Nagios core ✅ Cloud Administrator: Azure, AMAZON AWS , Google GCP, OVH and Digital Ocean ✅VMware ESXi, VMware Workstation, VirtualBox, and Proxmox. ✅Ubuntu, Red Hat, CentOS, Debian, openSUSE, and Kali Linux distributions. ✅Windows server administration (Windows Server 2008, 2012, 2016, etc.), Active Directory management, Exchange Server administration, DNS configuration ✅Servers: HP Proliant Servers, Dell/EMC Servers, IBM ✅VLSM/subnetting of small to large enterprises ✅VLANs, Inter-VLAN routing, VTP, CDP, Ether-Channel(LACP, PAGP) ✅DHCP, NAT/PAT configuration and IP helper address ✅static and Dynamic Routing protocols (RIP, OSPF, EIGRP, BGP) configuration ✅Layer-3 Redudent/backup links Using HSRP, VRRP ✅Port security, ACL( access list) configuration ✅Network troubleshooting and optimization ✅VPN Configuration Expert (GRE , SSL, IPSEC, PPTP, OpenVPN & DMVPN) ✅Network automation script for any Cisco and FortiGate devices using python

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Showing 1 - 5 out of 50+ reviews
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$40.00 USD
Best guy, I will ask him more jobs
Network Administration
Flag of Alejandro A.
5 days ago
$55.00 USD
It delivered on time and perfect
System Admin
Computer Security
Network Administration
+1 more
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Flag of Maruth K.
7 days ago
£135.00 GBP
I was delighted with the assistance. I was initially nervous about using the platform, but not anymore. He guided me through everything and advised on the best solution. Very happy. Will definitely use again!
System Admin
Computer Security
Network Administration
Flag of Cameron C.
12 days ago
$35.00 USD
Very helpful, thanks a million
System Admin
Computer Security
Network Administration
Flag of Saeed Mohammed Omar S.
13 days ago
$20.00 USD
Great job. Very professional. A pleasure to work with.
Network Administration
Computer Repair
Printer Repair
Local Area Networking
User Avatar
Flag of Jason H.
14 days ago


Assistant Manager(ICT)

Power Sector
Jun 2021 - Present
Currently Working as System, Network, and System Administrator in charge of the infrastructure, virtual & Physical server, and a firewall. Main key responsibilities include network configuration, troubleshooting, virtualization, server management, system administration, and strategic planning. Hand-on experience: 1. Wide range of Cisco Routers, Switch, & Next Generation Network 2. Security administration (Fortgate and CISCO ASA, firewall configuration, customization, and troubleshooting), etc.

Network Engineer

IDLC Finance Limited
Nov 2019 - Jun 2021 (1 year, 7 months)
Hands-On experience : 1. Extensive experience with Fortinet Security Fabric, including FortiGate Firewall, FortiGate VM virtualization, FortiAnalyzer, FortiClient, and FortiClient EMS. 2. Skilled in configuring and maintaining network devices such as Cisco, Mikrotik & Juniper Routers, and Nesux & Catalyst Switches. 3. Experienced in monitoring network performance, troubleshooting problems, and scheduling upgrades to optimize network performance

Network System Administrator

BRACNet Limited
May 2018 - Oct 2019 (1 year, 5 months)
1. Configuration, troubleshooting & monitoring of IP network a. Setting up Cisco routers and switches b. Routing protocols (OSPF, EIGRP, BGP) configuration c.Network security and firewall setup 2. Responsible for planning, designing, and implementing IP networks for corporate clients 3. Responsible for advanced enterprise wireless solutions using a wide range of wireless routers and access points


Computer Science

Jahangirnagar University, Bangladesh 2019 - 2020
(1 year)

Electronics and Communication Engineering

Khulna University, Bangladesh 2009 - 2013
(4 years)


Cisco Certified Specialist - Enterprise Core

Earners of Cisco Certified Specialist - Enterprise Core have demonstrated knowledge of implementing core enterprise network technologies including dual stack (IPv4 and IPv6) architecture, virtualization, infrastructure, network assurance, security and automation

Oracle Cloud Infrastructure 2019 Certified Architect Professional

An Oracle Cloud Infrastructure Certified Architect Professional has demonstrated hands-on experience and knowledge required to plan, design, implement and operate solutions on OCI. The abilities validated includes: Plan and design solutions; implement and operate solutions; Design, implement and operate databases; Design for hybrid cloud architecture; Migrate on-premises workloads to OCI; Design for Security and Compliance Up-to-date training and field experience are recommended.


Red hat
RH-124: Red Hat Linux System Administration-I RH134 Red Hat System Administration II Red Hat Enterprise Linux Automation with Ansible (RH294)


Target detection performance of coherent MIMO radar using Space Time Adaptive Processing.

Multiple-input-multiple-output (MIMO) radar is advantageous for target detection, parameters identification, and target classification due to waveform diversity and perspective. By taking the benefit of spatial diversity, MIMO radar system performance can be dramatically enhanced.

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