Network Infra Engineer

About the role

ITQ Requirements - Network Infrastructure Engineer 1.Objective The objective of this ITQ is to source a qualified vendor to provide Network Infrastructure Engineering services, covering implementation, operations, optimization, and support across enterprise, datacentre, cloud, and site environments. 2.Scope of Services 2.1Network Implementation & Operations -Implement, configure, and maintain network infrastructure (LAN, WAN, WiFi, cloud, cabling). -Support design validation and ensure solutions are implementable and operationally sustainable. -Configure and support switches, routers, firewalls, and wireless access points. -Conduct technical and WiFi site surveys. -Monitor network performance and ensure availability. -Support maintenance activities (including after-hours when required). -Support remote-site troubleshooting, fault isolation, service provisioning -Coordinate network cabling works with vendors and internal stakeholders 2.2Network Monitoring, Optimization & Resilience -Operate monitoring tools such as PRTG and SolarWinds. -Analyse performance metrics and utilization trends. -Provide continuous improvement recommendations. -Implement backup and disaster recovery capabilities. -Maintain network diagrams and cabling documentation. 2.3Cloud Networking & Connectivity -Implement and support cloud networking (AWS or equivalent). -Ensure secure connectivity between on-prem, cloud, and external services. -Provide optimization recommendations for performance, scalability, and costefficiency. 2.4Security, Risk & Compliance -Implement network security controls such as firewalls, VPNs, NAC, and WiFisecurity. -Ensure compliance with internal standards and best practices. -Support audit activities and remediation. -Conduct vulnerability assessments, remediation, and security hardening toenhance security ofenterprise network and infrastructure environments. 2.5Documentation & Change Management -Maintain as-built diagrams, configuration guides, and runbooks. -Ensure all changes follow approved change management processes. -Maintain network documentation and IT asset inventory. 2.6Project & Stakeholder Collaboration -Collaborate with project teams and stakeholders. -Participate in design discussions and implementation planning. -Provide technical guidance and issue resolution. -Support network infrastructure deployment across sites in Singapore. 2.7Vendor Management -Coordinate with vendors during implementation and troubleshooting. -Support vendor performance monitoring and evaluation. 2.8Datacenter Management -Manage Data Centre operations. -Physical security and access control. -Cabling infrastructure, and first-level troubleshooting. -Providing 24x7 standby support for maintenance and project activities. 3.Technical Requirements -Routing and switching (BGP, OSPF). -Firewall and VPN technologies (Cisco, Fortinet, Palo Alto). -QoS, IP networking, Ethernet. -WiFi and NAC solutions. -AWS networking and hybrid connectivity. -Monitoring tools such as PRTG and SolarWinds. 4.Resource Requirements -Minimum 4-5 years of relevant experience. -Experience in enterprise and hybrid network environments. -Certifications (preferred): CCNA/CCNP, NSE4, AWS Solutions Architect Associate. 5.Service Continuity & Backfill Requirement -Vendor shall always ensure service continuity. -Vendor must provide qualified backfill when the designated engineer isunavailable (including medical leave,annual leave, urgent leave, or any other absence). -Vendor is responsible for ensuring the backfill resource is adequately trainedand capable of performing thefull scope of duties without degradation in service quality. -Vendor should implement internal knowledge transfer and cross-training betweenthe primary engineer andbackfill resource(s) to ensure seamless coverage. -Failure to provide adequate backfill support resulting in service disruptionmay be subject to service creditsor penalties, as defined in the contract. -No additional cost shall be incurred for such backfill arrangements unlessotherwise explicitly agreed. 6.Service Level Expectations -Incident response SLAs (P1/P2/P3). -Network availability targets (e.g., ≥99.9%). -MTTR and change success rate targets. 7.Deliverables -Implementation outputs. -As-built documentation. -Monitoring reports. -Disaster recovery setup. -Incident reports and improvement recommendations. 8.Compliance & Governance -Compliance with internal Certis standards -Full audit traceability. -Proper access control and segregation of duties.

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