ntt data services singapore pte. ltd.
Beach Road, Singapore Country / Global
Beach Road, Singapore Country / Global
Job Summary
Lead and support enterprise network infrastructure projects focusing on Cisco ACI, routing, switching, wireless, and firewalls. Drive migration plans, integrate service appliances, and ensure network performance and compliance in a 24x7 environment.
Responsibilities
Design, implement, and support Cisco ACI network architecture components to optimize data center network performance
Develop and execute migration plans from traditional data center network designs to Cisco ACI environments
Integrate service appliances such as Application Delivery Controllers and Palo Alto firewalls into Cisco ACI deployments
Analyze and manage inter-tenant and intra-tenant traffic flows and contracts to ensure secure and efficient network segmentation
Configure and troubleshoot L2 outs, L3 outs, and VMM integration within data center networks
Manage routing, switching, wireless LAN/WAN infrastructure using protocols including EIGRP, OSPF, BGP, and standards such as IEEE 802.11a, 802.1x, STP, MSTP, RSTP, HSRP, and VRRP
Ensure all network configurations comply with established standards and review log files for network health monitoring
Deploy, maintain, and troubleshoot enterprise-level, mission-critical network infrastructure components including SD-WAN and wireless systems
Collaborate with project managers and cross-functional teams to deliver successful network projects aligned with business objectives
Own and resolve escalated support tickets and service requests using ServiceNow, documenting all actions and outcomes
Apply ITIL and Change Management processes to maintain network stability and service quality
Communicate effectively with customers, end users, partners, and associates to provide excellent customer service and technical support
Adapt to changing environments, work independently, and demonstrate flexibility including willingness to travel as required
Participate in rotating on-call support, manage support queues, and perform network system analysis and reporting in a 24x7 operational setting
Required competencies and certifications
Minimum 8 years managing LAN and WAN infrastructures
Minimum 8 years experience in routing, switching, Riverbed, and wireless technologies
Minimum 8 years experience with Palo Alto firewall technologies
Minimum 5 years experience working with Cisco ACI
Preferred competencies and qualifications
Hands-on experience with VELO Cloud and wireless technologies
Proven adaptive communication, presentation, and leadership skills
Project experience in Software Defined Networking (SDN) infrastructure and networking
Bachelor's degree in Computer Science or equivalent work experience
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