Network Engineer

AVATAR MODERN TECHNO SERVICES PTE. LTD.; Singapore; On-site; SGD 70,000 - 100,000; Full time

Job summary

AVATAR MODERN TECHNO SERVICES PTE. LTD. in Singapore is seeking an experienced Network Engineer to manage data center and enterprise routing and switching, focusing on Cisco Nexus/ACI, APIC, FTD/ASA, Palo Alto and Check Point firewalls, and F5 load balancers.

You will handle Day-2 lifecycle management, ITSM aligned incident/change processes, vulnerability assessments, and collaboration with stakeholders to maintain connectivity, security, and performance across local and remote sites.

Qualifications

• Bachelor’s degree in Information Technology or related field.
• 5 years of experience in network engineering (data center and enterprise environments)
• Experience with ITSM processes (Incident, Change, Problem Management)
• Strong knowledge of OSI, TCP/IP, LAN/WAN concepts
• Hands-on experience in routing and switching: OSPF, BGP, VLAN, STP, VTP, HSRP
• Experience with Cisco technologies: Cisco Datacenter switches like Nexus / Cisco ACI / Cisco APIC leaf and spine / Cisco Multi-POD ACI setup
• Experience with network security solutions: Cisco FTD/ASA, Palo Alto, Check Point
• Strong knowledge of VPNs, GRE, DMZ, and 802.1X
• Hands-on experience with F5 Load Balancing (LTM, GTM, APM)
• Experience using packet analysis tools (e.g., Wireshark)
• Strong trouble shooting and analytical skills

Responsibilities

• Perform Day 2 lifecycle management of Cisco APIC and Nexus 9000 (ACI mode)
• Manage BAU operations, troubleshooting, and upgrades for routing and switching infrastructure across data center, DR, and remote sites
• Ensure connectivity and network stability between remote locations and data centers
• Administer and support network security platforms including Cisco FTD/ASA, Palo Alto, and Check Point firewalls
• Implement, manage, and upgrade F5 Load Balancers (LTM, GTM, APM)
• Monitor network performance and ensure availability
• Perform incident management and RCA
• Execute change and release activities in ITSM processes
• Conduct vulnerability assessment and mitigation planning for network and security infrastructure
• Support system integration and solution deployment
• Handle stakeholder communication, inventory, and operational responsibilities as needed

Skills

Network engineering

Troubleshooting

Incident management

Root cause analysis

Stakeholder communication

Networking fundamentals

Vendor coordination

Education

Bachelor's degree in Information Technology

Tools

Cisco Nexus

Cisco ACI

Cisco APIC

Cisco FTD/ASA

Palo Alto

Check Point

F5 LTM/GTM/APM

Wireshark

VPNs

Job description

Responsibilities

• Perform Day 2 lifecycle management of Cisco APIC and Nexus 9000 (ACI mode), Cisco DNA Cand Cisco ISE, Cisco Catalyst 9000 series (IOS-XE)
• Manage BAU operations, troubleshooting, and upgrades for routing and switching infrastructure across data center, DR, and remote sites
• Ensure connectivity and network stability between remote locations and data centers
• Administer and support network security platforms including Cisco FTD/ASA, Palo Alto, and Check Point firewalls
• Implement, manage, and upgrade F5 Load Balancers (LTM, GTM, APM)
• Monitor network performance and ensure optimal utilization and availability
• Performincident management and root cause analysis (RCA)
• Executechange and release activities in alignment with ITSM processes
• Conduct vulnerability assessment and mitigation planning for network and security infrastructure
• Support system integration and solution deployment
• Handle stakeholder communication, inventory, and operational responsibilities as needed

Requirements

• Bachelor’s degree in Information Technology or related field
• 5 years of experience in network engineering (data center and enterprise environments)
• Experience with ITSM processes (Incident, Change, Problem Management)
• Strong knowledge of network fundamentals (OSI, TCP/IP, LAN/WAN concepts)
• Hands-on experience in routing and switching: OSPF, BGP, VLAN, STP, VTP, HSRP
• Experience with Cisco technologies: Cisco Datacenter switches like Nexus / Cisco ACI / Cisco APIC leaf and spine / Cisco Multi-POD ACI setup
• Experience with network security solutions: Cisco FTD/ASA, Palo Alto, Check Point
• Strong knowledge of VPNs, GRE, DMZ, and 802.1X
• Hands-on experience with F5 Load Balancing (LTM, GTM, APM)
• Experience using packet analysis tools (e.g., Wireshark)
• Strong trouble shooting and analytical skills