Network Resident Engineer (Onsite L1/L2 Support)

1. Role summary: Provide onsite L1 and L2 operational support for enterprise network infrastructure, ensuring the availability, stability and performance of LAN/WAN environments.
2. Daily operations: Support daily network operations, critical incidents, maintenance activities and planned changes, and monitor performance, availability and utilisation.
3. Incident management: Handle incidents, service requests and operational issues within agreed SLAs, with troubleshooting and root cause analysis of connectivity and performance problems.
4. Escalation: Escalate complex issues to L3 teams and OEM vendors, and coordinate with telecom providers and internal teams for resolution.
5. Network administration: Administer LAN/WAN, Cisco Catalyst switching, Aruba solutions, routing and switching, and VPN services, including configuration, provisioning and maintenance.
6. Projects and inventory: Support network expansion, relocation and optimisation projects, and maintain device inventory and configuration documentation.
7. Monitoring and troubleshooting: Use enterprise monitoring tools to troubleshoot routing and switching, VLANs and segmentation, VPN connectivity, link failures and performance degradation.
8. Change management: Implement approved changes through established change processes, including firmware upgrades, patching and device maintenance.
9. Security and compliance: Ensure adherence to security standards and operational policies, and participate in vulnerability remediation and compliance activities.
10. Service management: Follow ITIL-based Incident, Problem, Change and Request Fulfilment processes.
11. Documentation and reporting: Maintain SOPs, network diagrams, runbooks and technical documents, provide regular service reports, and participate in service reviews and continuous improvement.
12. Qualifications: Diploma or Bachelor’s degree in IT, Computer Science, Network Engineering, Telecommunications or a related field.
13. Experience: 4 to 6 years of hands-on experience supporting enterprise networks, including L1/L2 support in production, with strong analytical skills and a customer-focused mindset.
14. Technical skills: LAN/WAN, TCP/IP, routing and switching, VLANs, network monitoring and troubleshooting, Cisco Catalyst, Aruba, VPN technologies, and basic firewall administration.

EALicense No: 11C4879 / Registration ID : R1218583

AparTechnologies Pte Ltd, Singapore