Network Engineer (Operations)

Keppel Technology Solutions; Singapore; On-site; SGD 65,000 - 120,000; Full time

Job summary

Keppel Technology Solutions seeks a Network Engineer (Operations) to configure, maintain and troubleshoot enterprise networks across Cisco, Meraki, Aruba, Huawei, Palo Alto and Check Point technologies. You will manage routing, switching, VLANs, QoS and security policies, and support SD-WAN and VPN deployments.

You will engage in hands-on config and monitoring, with a focus on reliability, performance, and proper documentation across a multi-vendor environment.

Qualifications

• Bachelor's/Diploma in IT or networking with relevant coursework.
• 3–5 years hands-on enterprise network operations experience.
• Strong knowledge of TCP/IP, IPv4/IPv6, routing, switching and security.

Responsibilities

• Configure and support Cisco, Meraki, Aruba, Huawei, Palo Alto and Check Point in multi-vendor environments.
• Configure routing protocols including OSPF, BGP and EIGRP where applicable.
• Manage VLANs, EtherChannel, STP, VTP and trunking on core and access devices.
• Configure and manage wireless controllers and access points (Cisco and partner ecosystems).
• Configure SD-WAN, VPNs, traffic shaping, NAT and security policies.
• Perform cloud-based monitoring and troubleshooting with common tools.

Skills

TCP/IP

IPv4/IPv6

Routing

Switching

Network security

VPN/SD-WAN

QoS

ACLs/NAT

High availability

Monitoring tools

Scripting/Automation

Documentation

Education

Bachelor's Degree or Diploma in Computer Science/Information Technology/Network Engineering

Tools

Cisco

Cisco Meraki

Aruba

Huawei

Palo Alto

Check Point

RADIUS/TACACS+

802.1X NAC

Python

Ansible

PowerShell

REST APIs

PRTG

SolarWinds

Zabbix

Job description

We are seeking a skilled Network Engineer (Operations) to configure, maintain and troubleshoot enterprise network infrastructure based on Cisco, Cisco Meraki, Aruba, Palo Alto, Check Point and Huawei technologies.

Key Responsibilities

• Configure and support Cisco Catalyst switches and routers
• Configure and support routing protocols including OSPF, BGP and EIGRP.
• Configure and support Layer 2 technologies such as VLANs, EtherChannel and VTP.
• Configure and support Cisco Wireless LAN Controllers and Cisco Access Points.
• Configure Meraki MS Switches and MR Wireless Access Points.
• Manage Meraki Dashboard, templates, firmware upgrades, and licensing.
• Configure SD-WAN, VPN, Auto VPN, traffic shaping, and security policies.
• Perform cloud-based monitoring and troubleshooting.

Aruba Technologies

• Configure Aruba CX and ArubaOS switches.
• Configure and support Aruba Wireless Access Points and Mobility Controllers.
• Configure Aruba Central and AirWave management platforms.
• Configure and support Aruba ClearPass for Network Access Control (preferred).
• Configure Huawei switches and routers.
• Configure and support Huawei WLAN solutions and AC controllers.
• Configure routing protocols, VLANs, ACLs, QoS, VRRP, and MSTP.
• Manage Huawei eSight network management platform.
• Perform firmware upgrades and troubleshooting.

Configure and support Palo Alto & Check Point Firewall

Requirements

• Bachelor's Degree or Diploma in Computer Science, Information Technology, Network Engineering, or a related discipline.
• Minimum 3–5 years of hands-on experience in enterprise network operations and support.
• Strong knowledge of TCP/IP, IPv4/IPv6, subnetting, routing, switching, and network security.
• Hands-on experience with Cisco, Cisco Meraki, Aruba, Huawei, Palo Alto, and Check Point technologies.
• Experience configuring routing protocols such as OSPF, BGP, and EIGRP.
• Good understanding of Layer 2 technologies including VLAN, STP, EtherChannel, and trunking.
• Experience with VPN technologies, SD-WAN, QoS, ACLs, NAT, and high-availability configurations.
• Familiarity with network monitoring tools such as PRTG, SolarWinds, Zabbix, or similar platforms is an advantage.
• Knowledge of network authentication technologies such as RADIUS, TACACS+, 802.1X, and NAC solutions is preferred.
• Experience with scripting or automation tools (Python, Ansible, PowerShell, or REST APIs) is an added advantage.
• Strong analytical and troubleshooting skills with the ability to diagnose complex network issues.
• Excellent communication, documentation, and interpersonal skills.