Network Security Reliability Engineer- Level 2

Crédit Agricole SA; Asia; Sur place; PEN 326 000 - 447 000; Plein temps

Résumé du poste

Crédit Agricole CIB seeks an experienced Network Security Reliability Engineer – Level 2 to join the ITS backbone. You will manage multi‑vendor devices, perform complex troubleshooting, and help shape security posture for enterprise networks across regions.

The role requires 4–8 years of hands‑on experience with Cisco, Arista, Fortinet and related tech, plus strong incident response capabilities. Collaboration across locations is essential for 24/7 reliability.

Qualifications

• 4–8 years of hands-on experience in network and security roles.
• Strong understanding of TCP/IP, routing, VPNs, and security concepts.
• Experience with at least 4–6 listed vendors; broad technical breadth.
• Automation exposure with Ansible/Python/REST APIs is a plus.

Responsabilités

• Manage and troubleshoot multi‑vendor network and security infrastructure.
• Implement secure network architecture and access controls.
• Perform root‑cause analysis for complex network issues and incidents.
• Support on‑call rotation, incident response, and runbooks.
• Maintain high availability and resilience across platforms.
• Document configurations and network diagrams.

Connaissances

TCP/IP fundamentals & routing

Network security concepts

Analytical & troubleshooting

Incident management

Communication & stakeholder management

Automation tools (Ansible, Python,REST

Formation

Bachelor Degree / BSc Degree or equivalent

Outils

Cisco

Arista

Fortinet

F5

Infoblox

Skyhigh

Ivanti

Check Point

Trend Micro

Description du poste

Network Security Reliability Engineer- Level 2

Business type

Types of Jobs - IT, Digital et Data

Job title

Network Security Reliability Engineer- Level 2

Contract type

Fixed-Term Contract

Job summary

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.

Role Overview 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.

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.

Supplementary Information

• F5
  • Configure and manage F5 BIG‑IP LTM, ASM, APM modules.
  • Develop and troubleshoot iRules/iApps.
  • Perform load balancing, traffic management, and WAF policy tuning.
  • Vendor technical support escalations as needed.
• Infoblox
  • Administer Infoblox DDI (DNS, DHCP, IPAM).
  • Ensure high availability, DNS security (DNSSEC), and IP address management accuracy.
  • Troubleshoot DNS/DHCP issues and integrate with other security platforms.
  • Vendor technical support escalations as needed.
• Skyhigh (McAfee/Skyhigh Security)
  • Manage security gateways.
  • Monitor and optimize security posture.
  • Troubleshoot secure web gateway and CASB‑related issues.
  • Vendor technical support escalations as needed.
• Ivanti
  • Deploy and maintain Ivanti Secure connect solutions.
  • Configure security policies, controls, and compliance reporting.
  • Troubleshoot endpoint security, patch failures, and agent‑related problems.
  • Vendor technical support escalations as needed.
• Check Point
  • Install and configure Check Point firewalls, SmartConsole, and security blades.
  • Maintain VPNs, IPS, threat prevention, and rule optimization.
  • Perform advanced troubleshooting using logs, packet captures, and fw monitor tools.
  • Vendor technical support escalations as needed.
• Trend Micro
  • Configure and maintain Trend Micro security solutions.
  • Manage malware protection, behavioral analysis, and threat detection platforms.
  • Troubleshoot agent connectivity, updates, and threat events.
  • Vendor technical support escalations as needed.

Geographical area

City

Bachelor Degree / BSc Degree or equivalent

bachelor and above in relevant discipline

Level of minimal experience

3-5 years

Experience

Additional Responsibilities

• Participate in on‑call rotation, incident response, and escalations.
• Document configurations, change requests, runbooks, and network diagrams.
• Work closely with Security Operations, CSIRT and Infrastructure teams.
• Support audits, compliance activities, and security governance initiatives.
• Participate in project implementations.

Required Skills & Qualifications

• 4–8 years of professional experience in network and security administrator roles.
• Strong understanding of TCP/IP, routing/switching, VPNs, and network security concepts.
• Proven experience with at least 4–6 of the listed vendor technologies, with working knowledge of the others.
• Hands‑on expertise with Routing, switching, SDN, firewalls, load balancers, IDS/IPS, proxy, NAC, WLC systems.
• Experience with automation tools (Ansible, Python, REST APIs) is a plus.
• Strong analytical, troubleshooting, and incident‑management abilities.
• Excellent communication, documentation, and stakeholder‑management skills.

Preferred Certifications (Any of the following)

• Cisco CCNP
• Arista ACE
• Fortinet NSE 5/6/7
• F5 Certified Administrator/Engineer
• Check Point CCSA/CCSE
• Infoblox Core DDI
• Trend Micro Certified Professional
• Security certifications: CISSP, CISM, CEH (preferred)

General information

About Crédit Agricole Corporate and Investment Bank (Crédit Agricole CIB)

Crédit Agricole CIB is the corporate and investment bank of the Crédit Agricole group, the 10th largest banking group in the world.

We support major companies and financial institutions in their development and the financing of their projects.

As pioneers in responsible finance, social and environmental commitments are at the heart of our activities.

Joining our teams means working in a multicultural environment, both dynamic and stimulating, where you will contribute to developing a sustainable economy.

We support employees throughout their journey: you will develop your skills and access various mobility opportunities among the diversity of our businesses in more than 30 international locations.

Our culture is built on collaboration, innovation and openness, where everyone is valued and empowered.

By working every day in the interest of society, Crédit Agricole CIB aligns with the Group values committed to diversity and inclusion and placing people at the heart of all its transformations.

All our jobs are open to people with disabilities. We welcome applications from candidates of all backgrounds and experiences.

Ready to take part in our mission ?

By balance sheet size - The Banker, Juillet 2025