IZZULL ADAM ISMAIL
103, Jalan Warisan Indah, Kota Warisan, Sepang,
Summary
Network Engineer with more than 10 years of experience in designing, implementing, and managing network infrastructures. Proficient in troubleshooting, optimizing, and securing networks to ensure high availability, performance, and security. Experienced in network protocols, routing and switching, firewall configurations, and VPNs. Adept at collaborating with cross-functional teams to deliver robust solutions and support business continuity.
Overview
11
11
years of professional experience
1
1
Certification
Work History
IT Officer (Network & Security)
Mubadala Energy
Kuala Lumpur
10.2024 - Current
- Designing and implementing a new network solution that can provide benefits to the efficiency of current networks.
- Managing, troubleshooting, and configuring network infrastructure, including Cisco Router ISR4351, Cisco ASA 5525, Cisco Catalyst 9300, Cisco Switch 3850, Palo Alto PA-460, and Aruba Access Point.
- Scheduling the upgrades on devices if any vulnerabilities are found in the current firmware.
- Updating network equipment to the latest firmware release.
- Maximizing network performance through ongoing monitoring on SolarWinds NCM.
- Investigating any faults related to network issues and documenting how to improve in the future.
- Troubleshooting any LAN, WAN, or WLAN issues in the KL HQ and remote sites.
- Working with the Cyber Security team to enhance security within the network infrastructure.
- Assisting in deploying network devices and decommissioning the end-of-life (EOL) devices.
- Troubleshooting and configuring any issues related to TACACS in Aruba ClearPass.
- Maintaining, troubleshooting, and configuring a VPN Site-to-Site (IPSec) tunnel between KL and remote sites.
- Planning and involvement in disaster recovery (DR) tests.
Network Engineer
Silversky Technology Sdn Bhd
Kuala Lumpur
03.2020 - 09.2024
- Maintain complex, multi-tenant network performance by building network configurations and connections on internal and client which uses network protocol such as BGP and OSPF
- Troubleshooting network problems and assist in security design, process development, new customer implementations and troubleshooting in extremely diverse environments such as Cisco ISR Router, Cisco Switch Nexus, Fortinet Fortigate, Cisco ACS, Cisco ISE, F5 Load Balancer and Checkpoint Firewall
- Ensure the documentation and firmware are up to date and follow the standard process
- Maximize network performance by monitoring performance on Solarwinds NCM and troubleshoot network problems and outages
- Maintain and manage TACACS connectivity to the devices in the Cisco ACS and ISE
- Perform audit cleanup on unused rules in firewall by taking out data from firewall analyzer Firemon
- Scheduling credential and SNMP changes in every quarter on all network devices to meets the security standards
- Scheduling upgrades and collaborating with network architects on network optimization in diverse environments such as Cisco Router ISR4K, Cisco Switch (Catalyst 9300, MDS9000, Nexus 3000, 9000, 7000), SD-WAN Viptela, Cisco Wireless Controller 5520, Cisco Identity Service Engine (ISE), Fortinet Fortigate, F5 Load Balancer and Checkpoint Firewall
- Research and implement for the new technology or products that can give benefit to the company
Network Analyst
Dell Technologies
Cyberjaya
01.2019 - 03.2020
- A front line global support attending trouble or problem tickets raised by users or auto
- Attending to change tickets and work order request raised by users
- Support and diagnose of networks worldwide
- Support and diagnose of Telecom private lease lines, managed networks, and internet
- Support and diagnose for DNS, load balancers, WINS, DHCP systems
- Support and diagnose of security networks such as firewalls and proxies
- Support and diagnose LAN data network and Wan network
- Device supported - IP Address Manager Bluecat(DNS), F5(Load-Balancer), Cisco-Dell Powerconnect(Network), Aruba-Cisco(Wireless Controller), InfoBlox Address Manager (DNS)
- Maintain the stability of internal network which uses network protocol such as OSPF, EIGRP, BGP, and HSRP
Senior IT Executive
Malindo Airways Sdn Bhd
Petaling Jaya
05.2017 - 12.2018
- Performs day-to-day operation of managing Malindo Airways's network operation
- Ensuring all routers, switches and firewall configuration are up to date
- Work closely with vendor team to ensure smooth operation
- On-site and off-site support Malindo Air's network operations for new station setups
- Record all routers, switches and firewall latest configurations for future reference
- Participate in vendor contract negotiations for all new equipment purchased
- Prepare and update documentation on Malindo Air's network
- Handle all issues related to VPN
- Design, establish, and maintain a secure and resilient network infrastructure for local and wide area connectivity and remote access
- Liaise with the vendor for any issue or upgrade related to existing network
- Configuring Cisco Router, Switch and Firewall for any domestic and overseas station for Malindo Airways
- Involve in purchasing network related device and internet line
Network Engineer
Hewlett Packard Enterprise
Cyberjaya
11.2016 - 05.2017
- Provide service deliverables as defined by agreed client SLAʼs and objectives
- Provide 2nd level support to Custom Network Operation (CNOC) team
- Maintain a working operational knowledge of HP systems and processes
- Maintain tickets as per HP Standards
- Perform all required disaster escalation/evacuation procedures as required
- Engaging with clients, vendors, technical support and leadership teams at all levels
- Schedule and oversee daily tasks and workflow
- Provide technical and procedural leadership
- Respond to client initiated incidents calls
- Assess impact and potential severity level
- Notify supervisor and/or incident manager of all Sev1/Sev2 (high impact) tickets
- Verify service restoral with business partner
Resident Network Engineer
IX Telecom Sdn Bhd
Petaling Jaya
08.2014 - 11.2016
- Based at Malindo Airways Headquarter (Customer site)
- Performs day-to-day operation of managing Malindo Airways's network operation
- Ensuring all routers, switches and firewall configuration are up to date
- Work closely with Malindo Airways internal team and IX Telecom NOC team to ensure smooth operation
- Support Malindo network operations for new station setups
- Record all routers, switches and firewall latest configurations for future reference
- Prepare and update documentation on Malindo Airways's network
- Handle all issues related to VPN
Education
Diploma - Telecommunication Engineering
Multimedia University
Melaka, Malaysia09.2010
Skills
- Network administration
- LAN/WAN Networking
- IT vendor management
- Network security
- Problem-solving
- Team collaboration
References
- Shahrul Izham Akashah, 012-2187271, siakashah@silversky.com, Silversky Technology Sdn Bhd
- Wayne Ch'ng, 012-2656718, waynechng@malindoair.com, Malindo Airways Sdn Bhd
Certification
- Cisco Certified Network Association Routing & Switching (CCNA R&S)
- Cisco Certified Network Professional - Enterprise SD-WAN Implementation (ENDSWI)
- Checkpoint Certified Security Administration R80 (CCSA R80)
- Solarwinds Certified Professional (SCP)
- ServiceNow Certification
- Netskope Certified SASE Essentials Administrator
Languages
- English, Fluent
- Malay, Native
Personal Information
- Place of Birth: Penang
- Date of Birth: 02/12/90
- Gender: Male
- Nationality: Malaysian
- Marital Status: Married
Timeline
IT Officer (Network & Security)
Mubadala Energy
10.2024 - Current
Network Engineer
Silversky Technology Sdn Bhd
03.2020 - 09.2024
Network Analyst
Dell Technologies
01.2019 - 03.2020
Senior IT Executive
Malindo Airways Sdn Bhd
05.2017 - 12.2018
Network Engineer
Hewlett Packard Enterprise
11.2016 - 05.2017
Resident Network Engineer
IX Telecom Sdn Bhd
08.2014 - 11.2016
Diploma - Telecommunication Engineering
Multimedia University
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