Network Security Reliability Engineer- Level 2

Crédit Agricole; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

Crédit Agricole is seeking a Network Security Reliability Engineer – Level 2 to join our infrastructure Network and Security Operations team in Singapore. The ideal candidate has 4–8 years of hands‑on experience installing, configuring, and optimizing enterprise‑grade network and security solutions across multi‑vendor platforms including Cisco, Arista, Fortinet, F5, Infoblox, Check Point and Trend Micro.

You will be responsible for ensuring the reliability, integrity, and security of network and

Qualifications

• 4–8 years of hands‑on experience in installing, configuring, optimizing and troubleshooting enterprise‑grade network and security solutions.
• Experience across multi‑vendor platforms including Cisco, Arista, Fortinet, F5, Infoblox, Check Point and Trend Micro.
• Strong technical proficiency across network and security environments with focus on reliability, security and performance.

Responsibilities

• Install, configure, and maintain multi‑vendor network and security devices across data centers, cloud environments, and remote sites.
• Perform advanced troubleshooting and root‑cause analysis for complex network and security issues.
• Implement secure network architecture, segmentation, and access control best practices.
• Conduct regular security posture assessments and recommend improvements.
• Maintain high availability, redundancy, and resilience across all network and security platforms.

Skills

Network security

Troubleshooting

Incident response

Security architecture

Tools

Cisco

Arista

Fortinet

F5

Infoblox

Check Point

Trend Micro

Job description

Department

The Information Technology Services (ITS) department is responsible for ensuring the availability, stability, security, and performance of our bank's IT infrastructure, applications, and enduser systems. Operating 24/7, we are dedicated to guaranteeing worldwide production stability and availability.
We play a leading role in shaping the IT strategy for the APAC and Middle East regions, while also providing expert technical support to other regions. Our services extend to international sites, where we offer Level 4 support, including support to the Americas.ss

Role Overview

We are seeking an experienced Network Security Reliability Engineer – Level 2 to join our infrastructure Network and security Operations team. The ideal candidate will have 4–8 years of hands‑on experience in installing, configuring, optimizing, and troubleshooting enterprise‑grade network and security solutions. The position requires strong technical proficiency across multiple vendor platforms, including Cisco, Arista, Fortinet, F5, Infoblox, Skyhigh, Ivanti, Check Point, and Trend Micro.
The candidate will be responsible for ensuring the reliability, integrity, and security of network and security infrastructure across large enterprise environments, while also supporting incident response, performance tuning, and ongoing service improvements.

Key Responsibilities

Network & Security Infrastructure Management

• Install, configure, and maintain multi‑vendor network and security devices across data centers, cloud environments, and remote sites.
• Perform advanced troubleshooting and root‑cause analysis for complex network and security issues.
• Implement secure network architecture, segmentation, and access control best practices.
• Conduct regular security posture assessments and recommend improvements.
• Maintain high availability, redundancy, and resilience across all network and security platforms.

Vendor‑Specific Responsibilities

Cisco

• Configure and manage Cisco routers, switches, WLC, ISE, ACI solutions.
• Troubleshoot routing protocols (BGP, OSPF, EIGRP) and Layer 2 technologies.
• Manage Cisco ISE policies and NAC enforcement.
• Vendor technical support escalations as needed.
• ACI infrastructure support.
• ISE NAC , TACACS , profiling and posture support..

Arista

• Deploy and manage Arista switches in data center.
• Configure EOS, VXLAN/EVPN fabrics, and advanced automation features.
• Diagnose connectivity, performance, and fabric‑related issues.
• Vendor technical support escalations as needed.

Fortinet

• Install and configure FortiGate firewalls, VPNs, IPS and security profiles.
• Manage FortiAnalyzer/FortiManager for centralized policy and log management.
• Troubleshoot Firewall, IPS, and application control issues.
• Vendor technical support escalations as needed.