Responsibilities:

• Manage and support enterprise network infrastructure, including routers, switches, firewalls and load balancers in a 24×7 production environment.
• Install, configure and maintain network hardware and software, including user access, authentication and permission management.
• Monitor network health, availability and performance, conduct routine maintenance, and perform capacity planning.
• Design, implement and support hybrid connectivity between on-premises data centres and AWS cloud environments.
• Configure and manage AWS networking components, including VPCs, subnets, route tables, security groups, Network ACLs, VPNs and Direct Connect.
• Troubleshoot hybrid cloud connectivity issues and coordinate with telecommunications providers where required.
• Configure and manage firewalls, network segmentation, security zoning and access controls in accordance with IM8/government standards and PCI DSS requirements where applicable.
• Collaborate with Security Operations teams on vulnerability remediation, system hardening and incident response activities.
• Monitor network performance using SolarWinds, PRTG, CloudWatch or equivalent monitoring tools, and proactively identify and resolve performance bottlenecks.
• Investigate and resolve network outages, connectivity issues, latency and packet loss while participating in major incident management and root cause analysis.
• Implement network changes in accordance with Change Advisory Board (CAB) processes, including validation, rollback planning and deployment support.
• Manage network connectivity with external partners, payment gateways and telecommunications providers, including vendor coordination and service provisioning.
• Design and support network redundancy, disaster recovery and business continuity solutions, and participate in disaster recovery exercises.
• Maintain accurate network documentation, including network diagrams, configuration records, SOPs and operational runbooks.
• Recommend continuous improvements to enhance network performance, security and scalability.
• Provide after-hours operational support for planned maintenance, firmware and software upgrades, critical incidents and emergency network changes.

Requirements:

• Degree in Computer Science, Information Technology, Engineering or a related discipline.
• Minimum 3 years of experience in network engineering or network operations supporting enterprise or large-scale mission-critical environments across on-premises and cloud infrastructure.
• Hands-on experience with AWS networking, including VPC, subnets, route tables, security groups, Network ACLs, VPN and Direct Connect. Experience with Azure or Google Cloud Platform is an advantage.
• Strong knowledge of TCP/IP, Layer 2/Layer 3 networking, routing, switching, DNS, DHCP, BGP, OSPF, VPN technologies, network security, high availability and disaster recovery design.
• Hands-on experience with enterprise firewalls such as Palo Alto, Fortinet or Check Point, as well as load balancers and network troubleshooting tools including Wireshark, Ethereal and Traceroute.
• Professional certifications such as Cisco CCNA/CCNP, Check Point CCSA/CCSE, Fortinet FCA/FCP or AWS CloudOps Engineer – Associate will be an advantage.
• Strong analytical, troubleshooting and problem-solving skills, with the ability to perform effectively in high-pressure production environments.
• Excellent communication and stakeholder management skills with a proactive, accountable and collaborative working style.
• Willingness to provide after-hours support for production incidents, maintenance activities and network deployments.

To apply, please visit www.gmprecruit.com and search for Job Reference: 7XVR8VYX

To learn more about this opportunity, please contact Yingying at yingying.lai@gmprecruit.com

We regret that only shortlisted candidates will be notified.

GMP Technologies (S) Pte Ltd | EA Licence: 11C3793 | EA Personnel: Lai Yingying | Registration No: R1110239