Infrastructure Engineer

PERSOL SINGAPORE PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

PERSOL SINGAPORE PTE. LTD. is seeking a Senior Network Operations professional in Singapore to manage daily network activities, drive rapid resolutions, and coordinate with infra and application teams.

The role emphasizes incident management, root-cause analysis, and proactive problem prevention. You will lead troubleshooting for complex network incidents, work with vendors, and ensure operations align with bank policies.

Qualifications

• Bachelor’s degree in computer science, networking or related field.
• 10+ years of network operations experience; CCIE is preferred.
• Expertise in network protocols, architectures, and technologies (e.g. TCP/IP, BGP, MPLS, MP-BGP, EVPN).
• Strong troubleshooting and problem-solving skills; ability to work under pressure.

Responsibilities

• Manage network daily activities; implement changes, review scripts, and support incident and problem troubleshooting.
• Handle network incidents escalations from L1/L2; respond to incidents, problems and security incidents.
• Collaborate with infra tower teams and application teams to troubleshoot and identify root causes.
• Coordinate with network vendors’ support teams for troubleshooting and resolution.
• Handle critical network incidents under pressure to minimize business impact.
• Attend conference calls with support teams for problem identification and resolution.
• Maintain good communication and work independently; adhere to bank policies and processes.
• Senior technical role responsible for rapid resolution of network problems; drive resolution despite dependencies.
• Proactively identify potential network problems and guide junior members; manage production issues.

Skills

Network troubleshooting

Incident management

Communication skills

Team collaboration

Problem solving

Pressure handling

Root cause analysis

Vendor coordination

Documentation

Education

Bachelor’s degree in computer science / networking or related field

CCIE certification (preferred)

Job description

Responsibilities

• Management of network daily activities; implement change, review change script and support incident and problem troubleshooting.

• Management of network incidents escalations from L1/L2, response to all incident , problem and security incident.

• Responsible to work with the respective infra tower teams and Application team in troubleshooting and identify root cause of all incidents.

• Responsible to work with the respective network vendors’ support teams for the troubleshooting, identification and resolution of network problems.

• Handling of the critical network incidents under pressure situations to resolve in timely manner to minimize the business impact.

• Attend to conference calls with other support teams for problem identification and resolutions.

• Must have good communication skills and able to work independently.

• Must adhere to process and policies of the Bank.

• Able to work under pressure and with minimal supervision.

• Senior technical role responsible for quick resolution of network related problems. Proactive approach to handling and managing the network problems and ability to drive the problem situation towards resolution, without getting stuck by the dependencies on external factors.

• Able to use technical knowledge to proactively identify the potential network problems and imminent business impact areas and prevent the same. Able to guide junior members in the team for the same.

• Work extended hours (weekday evening, weekends) if needed in case of ongoing production problems.

Requirements

• Education: Bachelor’s degree in computer Science , networking or related field

• Experience: 10+ years of network operation experiences. CCIE is preferred.

• Expertise in network protocols, architectures , and technologies ( e.g. TCP/IP, BGP , MPLS, MP-BGP, EVPN)

• In-depth understanding of the networking concepts – Routing, switching , LAN/WAN, Sapnning Tree protocol, HSRP, ARP,VLAN, Inter-VLAN Routing, OSPF, BGP, VxLAN, Cisco ACI, VxLAN BGP eVPN, SDA, SDWAN etc.

• Hands on experience on routers and switches for advanced troubleshooting of the network related problems and incidents.

• Advanced hands-on experience on troubleshooting complex network problems.

• Logical and analytical thinking and problem analysis skills to troubleshoot complex network problem to isolate the root cause and provide suitable resolution

• Strong problem-solving skills and positive attitude.

• Excellent team player and strong interpersonal skills

• Excellent organizational and prioritization skills