Senior Network Security Engineer

• Feb 2020 - Present

-Establishing networking environment by designing system configuration, directing system installation, defining, documenting, and enforcing system standards.-Communicating with customers via email, phone and in person for initial scope and requirement analysis.-Preparation of high/low level designs when required.-Planning, configuring, and monitoring L2/L3 networking, wireless networks, IP telephony, CCTV, and ACS.-Installation and configuration of firewall in line with IT security policy.-Securing network system by establishing and enforcing policies, and defining and monitoring access.-Installing and configuring IP telephony systems such as Cisco Call Manager and NEC PABX with analog, SIP and PRI trunks.-Installing and configuring CCTV systems, ensuring they meet MOI approval requirements.-Familiar with protocols such as TCP/UDP, DNS, DHCP, SNMP, FTP, HTTP/HTTPS, TFTP/SFTP, SMTP/POP3/IMAP, VLAN, STP, LACP/PAGP, SIP, OSPF/EIGRP/BGP, and SSH/SSL/TLS.-Perform network maintenance and system upgrades including service packs, patches, hot fixes and security configurations.-Liaise with vendors and other IT personnel for problem resolution.-Configuring various types of VPNs to ensure secure remote access for clients.-Train peers and clients on requirement.-Installing, configuring, and maintaining Windows Server operating systems to support vendor applications.-Troubleshooting network issues and apply critical thinking to identify and resolve problems in stressful situations-Staying up-to-date with the latest technologies and best practices to ensure the network is implemented as current standards. Show less

Junior Network Engineer

• Feb 2016 - Jan 2020

Network Administrator

• Mar 2014 - Jun 2015

-Responsible for Installation, Configuration and Management of wired LAN. -Assist Network Engineer personnel with Network Administration troubleshooting as needed. -Troubleshoot Cisco devices when needed. -Work closely with end users and/or other IT members to make sure technical issues are resolved in a timely manner. -Participate in monthly after-hours network maintenance. -Responsible for the maintenance of computer hardware and software systems. -Respond to critical support issues as needed. Show less

Trainee Network Administrator

• Aug 2013 - Feb 2014

- Dealt with day to day issues in office LAN. - Troubleshoot cisco devices. - Managed and troubleshoot the networks that consist of LAN with windows, Linux PCs and server. - Dealt with day to day issues in office LAN. - Troubleshoot cisco devices. - Managed and troubleshoot the networks that consist of LAN with windows, Linux PCs and server.