Network Engineer (2-Year Renewable Contract)

Sancro Pte. Ltd.; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Sancro Pte. Ltd. is seeking an experienced Network Engineer with 5+ years of hands-on experience to support, maintain and implement our enterprise network infrastructure in Singapore.

The role spans network operations, L2/L3 troubleshooting and security, with involvement in project implementation and vendor management. You will handle firewall and network devices, participate in on-call rotations, and collaborate with internal teams and vendors to ensure reliable, secure connectivity across

Qualifications

• Diploma or Degree in computer science, IT, engineering, or related discipline.
• Minimum 5 years hands-on experience in network engineering.
• Strong hands-on experience with Cisco, Aruba and Cisco ACI.
• Knowledge of BGP, OSPF, EIGRP, ISIS and MPLS.
• Experience with Fortinet, Palo Alto, Cisco Firepower or Check Point firewalls.
• Experience with F5 Load Balancer, Infoblox and Cisco ISE is preferred.
• Good understanding of LAN/WAN, TCP/IP, VLAN, ACL, NAT, VPN and network security.
• CCNP is preferred; CCIE is an added advantage.
• Willing to participate in 24×7 on-call support, approximately 1–2 weeks per month.

Responsibilities

• Install, configure and maintain network and firewall equipment.
• Manage and support Cisco, Aruba and Cisco ACI network environments.
• Monitor network performance, availability and capacity, and troubleshoot network issues.
• Configure and troubleshoot routing protocols including BGP, OSPF, EIGRP, ISIS and MPLS.
• Configure and maintain firewalls including Fortinet, Palo Alto, Cisco Firepower and Check Point.
• Support F5 Load Balancer, Infoblox and Cisco ISE infrastructure.
• Perform network maintenance, upgrades, patching and configuration changes.
• Support LAN/WAN operations across multiple sites.
• Conduct network health checks and support incident resolution.
• Assist with network implementation, migration and infrastructure projects.

Skills

Network troubleshooting

Vendor coordination

Project delivery

L2/L3 support

Education

Diploma or Degree in Computer Science/IT/Engineering

Tools

Cisco

Aruba

Cisco ACI

Fortinet

Palo Alto

Cisco Firepower

Check Point

F5 Load Balancer

Infoblox

Cisco ISE

Job description

Job Summary

We are looking for a Network Engineer with at least 5 years of hands‑on experience to support, maintain and implement enterprise network infrastructure. The role involves network operations, L2/L3 troubleshooting, network security, project implementation, vendor management, and 24×7 on‑call support.

Responsibilities

Network & Firewall Operations

• Install, configure and maintain network and firewall equipment.
• Manage and support Cisco, Aruba and Cisco ACI network environments.
• Monitor network performance, availability and capacity, and troubleshoot network issues.
• Configure and troubleshoot routing protocols including BGP, OSPF, EIGRP, ISIS and MPLS.
• Configure and maintain firewalls including Fortinet, Palo Alto, Cisco Firepower and Check Point.
• Support F5 Load Balancer, Infoblox and Cisco ISE infrastructure.
• Perform network maintenance, upgrades, patching and configuration changes.
• Support LAN/WAN operations across multiple sites.
• Conduct network health checks and support incident resolution.
• Assist with network implementation, migration and infrastructure projects.

Technical Support & Documentation

• Troubleshoot network outages, connectivity and performance issues.
• Provide L2/L3 technical support and resolve network incidents.
• Maintain network configuration, topology and technical documentation.
• Perform preventive maintenance and follow change management procedures.
• Monitor network performance and support capacity planning.
• Maintain network and firewall asset inventory.
• Coordinate with internal teams, vendors and external stakeholders.
• Support DR/BCP planning, testing and implementation.

Project& Vendor Management

• Support network infrastructure project planning, implementation and deployment.
• Coordinate with vendors and contractors for technical delivery and issue resolution.
• Support RFQ/RFP, technical evaluation, and procurement activities.
• Prepare technical specifications, network diagrams and project documentation.

Requirements

• Diploma or Degree in computer science, Information Technology, Engineering or related discipline.
• Minimum 5 years of hands‑on experience in network engineering.
• Strong hands‑on experience with Cisco, Aruba and Cisco ACI.
• Strong knowledge of BGP, OSPF, EIGRP, ISIS and MPLS.
• Experience with Fortinet, Palo Alto, Cisco Firepower or Check Point firewalls.
• Experience with F5 Load Balancer, Infoblox and Cisco ISE is preferred.
• Good understanding of LAN/WAN, TCP/IP, VLAN, ACL, NAT, VPN and network security.
• Strong L2/L3 troubleshooting and problem‑solving skills.
• Experience in network project implementation and infrastructure deployment.
• Experience in vendor management and RFQ/RFP.
• Knowledge of DR/BCP.
• CCNP is preferred; CCIE is an added advantage.
• Able to work independently and coordinate with vendors and internal teams.
• Strong communication and problem‑solving skills.
• Willing to participate in 24×7 on‑call support, approximately 1–2 weeks per month, including after‑hours support when required.