Khaleelur  Rahman, Senior Network and Cyber Security Engineer

Khaleelur Rahman

Senior Network and Cyber Security Engineer

Unicorp Technologies LLC - United Arab Emirates (Abu Dhabi)

Location
United Arab Emirates - Abu Dhabi
Education
Bachelor's degree, Computer Science
Experience
10 years, 4 Months

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Work Experience

Total years of experience :10 years, 4 Months

Senior Network and Cyber Security Engineer at Unicorp Technologies LLC - United Arab Emirates (Abu Dhabi)
  • United Arab Emirates - Abu Dhabi
  • My current job since September 2018

Presales and Implementing/managing (support) primarily in Network Security Devices like Fortigate (low to High end model), Checkpoint, Juniper SRX, Sophos, SonicWALL, FortiAnalyzer, IPS Devices, Sandboxing, Load Balancers and Network Switch’s (layer 2 and Layer 3) and also includes Antivirus Technology link Trend Micro, Checkpoint and Sophos.
● Project Implementation from end to end that assign to my bin
● Configuring security devices from initial configuration to all types of configuration as per their customer requirement.
● Willing to learn new product and technology and I did many implementations during project implementation
● Implementing SD WAN technology on Firewall Devices for WAN link Load balancing.
● Configuring several security products as per the customer needs.
● Troubleshooting and supporting customers in various Networking and Security issues.
● Supporting customer during out of office hours and got appreciated many.

Project: Most Government entities and Banks in UAE.

Senior Technical Associate at Tata Communications Ltd
  • India - Chennai
  • February 2017 to August 2018

Implementing and managing primarily in Network Security Devices like Fortigate, Cisco ASA, Cisco FWSM, Juniper SRX, Sonicwall, FortiAnalyser and network Switch’s (layer 2 and Layer 3)
● Implementing the project from beginning to ending that assigned in my bin
● Configuring Firewall from initial configuration to all types of configuration as per their customer requirement.
● Applying security policy, NAT, DNS, SSL inspection - certificate based SSL inspection, Active directory integration with firewall and connecting network devices with NTP server.
● Configuring updated security technology in all customer firewall devices
● debugging the all related firewall traffic flow issues in CLI mode
● Implementing various security features in firewalls such as UTM - Web filtering, AV, IPS and application control, etc.
● Creating VDOM for various customers to fix their network in a shared platform with UTM services.
● Maintaining HA or Failover in network and security devices for redundancy purpose in (Active- Active and Active-Standby mode)
● Creating VPN (Site and Site, Client Site VPN - SSL VPN) and diagnose in all the way for making
Tunnel to up and traffic to flow.
● Integrating AD(Active directory) user info to Firewall through FSSO and LDAP
● Configuring SFP module in firewall and switches also aggregating ports.
● SSL deep inspection for HTTPS Traffic through generating Certificate in firewall.
● Configuring VLAN, Trunking in switch’s and also stacking for combined purpose.
● Knowing and configuring Load Balancer (F5, A10, Radware App director)
● Monitoring all network devices by enabling SNMP in device.

Network Engineers at Accel Frontline Limited
  • India - Chennai
  • August 2015 to February 2017

Responsible for troubleshooting, installing, implementing and administering network systems
and providing Tier II support - RIM
* Providing support for network connectivity or related network issues for the user community
* Providing network support to client in accordance with the teams of their existing service contracts
* Providing secure network systems by establishing and enforcing policies in firewall and
implementing IPSEC VPN for customer support connection.
* Upgrading network equipment to the latest stable firmware releases & perform backup schedule
Accomplishment:
* Implemented, Configured and managed Core Network for the Cooperative Bank Project in Kerala
* Planned and designed the organization's LAN Network expansion and regrouping
* Currently completing Data center migration that includes implementation all Network hardware
* Installed, relocated and upgraded the onsite Cisco switches, and routers in various Project.
* Handled escalations and resolved technical issues according to SLA.

Technical Support enginner at DSM Infocom Pvt.ltd
  • India - Chennai
  • January 2014 to July 2015

Responsible for performing a wide range of System administration duties including installation,
Debugging, maintenance and upgrades.
* Installing and troubleshooting OS & application Software in Server / desktop and also managing
user account information in server such as Add, Remove and write policy
* Assign IP for all network device and managed LAN environment with more efficient
* Provide support for end user at their place of work in responsive manner
Accomplishment:
* Managed trouble call system using ARC (Action Request System) along with ITIL for
troubleshooting and day-to-day maintenance.
* Providing clients with emergency 24x7 on-call support on a rotating basis.
* Provided Training and guidance to junior team members.
* Preparing the incident reports for NW & server issues also maintain inventory report for device

Education

Bachelor's degree, Computer Science
  • at Dhaanish Ahmed college of Engineering
  • June 2013
Bachelor's degree, Computer Science
  • at Dhaanish Ahmed College of engineeringAnna University
  • August 2009

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Specialties & Skills

Routing and Switching
Network Security
Firewalls
Route Map
Routing Protocol
Firewall
Routing
Static Route
Security
NETWORKING
TROUBLESHOOTING
Accel List
Email Security
IPsec, SSL VPN, Web filtering, AV, IPS, VLAN, VDOM, UTM, HA, Static IP Routes, DHCP, DNS
Failover, FIM, IP360 VA, SCM, MFA, STP, RSTP, PVSTP, DTP, Ether channel,
Intervlan, Routing, Static Routing, EIGRP, OSPF and BGP, HSRP, SSH, NAT, Port Security, IPS, Endpo

Languages

English
Expert
Hindi
Intermediate
Tamil
Native Speaker
Malayalam
Intermediate
Telugu
Intermediate

Hobbies

  • Playying Football, Reading Books, learing new technolgy