Enterprise Network Lead - High Availability & Security

PROJECT SEARCH PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

PROJECT SEARCH PTE. LTD. is seeking an experienced Network Lead to oversee day-to-day operations, ensuring high availability, security, and performance across LAN, WAN, WLAN, cloud, and hybrid networks.

You will lead a team of engineers, drive incident resolution, and implement best practices in a large enterprise environment. The role requires 8+ years in networking with leadership experience, strong vendor expertise (Cisco/Alcatel/Aruba/Check Point/Palo Alto/F5), and proficiency in monitoring

Qualifications

• 8+ years of enterprise networking experience, including 3+ years in a leadership role.
• Experience in L2/L3 switching, VLANs, trunking, routing (OSPF, BGP, EIGRP).
• Wireless networking: WLANs, RF planning, site surveys, troubleshooting.
• Vendor expertise: Cisco, Alcatel, Aruba ClearPass, Check Point, Palo Alto, F5, enterprise firewall.
• SD-WAN & cloud networking: Cisco SD-WAN, hybrid connectivity, AWS networking.
• Security & hardening: firewall optimization, segmentation, Zero Trust, vulnerability remediation.
• Monitoring & automation: SolarWinds, PRTG, AirWave; scripting/automation (Python, Ansible).
• ITSM knowledge: Incident, Change, Problem management (ServiceNow preferred).

Responsibilities

• Lead daily network operations including incident management, service requests, change execution, and performance monitoring.
• Maintain high availability for LAN, WAN, WLAN, cloud, and hybrid network services.
• Conduct proactive health checks, capacity planning, and troubleshooting for network infrastructure.
• Ensure accurate documentation, diagrams, CMDB updates, and SOPs.
• Manage and optimize enterprise network platforms including Cisco, Alcatel, Aruba ClearPass, Check Point, Palo Alto, F5, etc.
• Oversee SD-WAN deployments and cloud networking (AWS).
• Lead, mentor, and manage a team of network engineers; escalation point for major incidents.
• Drive automation and monitoring tool adoption; collaborate with security, cloud, and infra teams.

Skills

Leadership

Network operations

Incident management

Vendor management

Automation & scripting

Collaboration

Education

Bachelor's degree in Computer Science/IT/Networking

Certifications (Preferred) CCNP/CCIE, Aruba, Palo Alto, Check Point, F5, AWS networking

Tools

Cisco

Alcatel

Aruba ClearPass

Check Point

Palo Alto

F5 BIG-IP

AWS networking

SolarWinds

PRTG

AirWave

Python

Ansible

Job description

PROJECT SEARCH PTE. LTD. is seeking an experienced Network Lead to oversee day-to-day operations, ensuring high availability, security, and performance across LAN, WAN, WLAN, cloud, and hybrid networks.

You will lead a team of engineers, drive incident resolution, and implement best practices in a large enterprise environment. The role requires 8+ years in networking with leadership experience, strong vendor expertise (Cisco/Alcatel/Aruba/Check Point/Palo Alto/F5), and proficiency in monitoring