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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.