L3 Network Operations Engineer(1 year contract;2-shift rotation)

• Provide L3 operational ownership for network security services across data center and enterprise environments
• Lead resolution of complex, high-impact incidents, acting as the senior technical escalation point
• Drive thorough root cause analysis and implement preventive actions
• Support major incident response, including vendor escalation and technical coordination
• Ensure services meet strict availability, resilience, and security standards
• Execute and review high-risk changes with proper impact analysis and rollback planning
• Identify operational, security, and configuration risks and drive remediation
• Support internal audits, risk assessments, and regulatory reviews with technical evidence
• Act as a senior escalation point for Cisco Data Center technologies (including ACI fabric design, policy modelling, fault isolation)
• Work with Cisco Catalyst 29xx/3xxx/4900/6500/4500-X L2/L3 switch platforms
• Handle Cisco Data Center switching (EVPN/VXLAN, automation, HA architectures)
• Manage advanced routing and switching (BGP, OSPF, VRFs, segmentation, redundancy patterns)
• Troubleshoot complex traffic flows across multi-tier, segmented environments
• Provide operational support for Cisco ISE (NAC, authentication, authorization, policy enforcement)
• Lead operational support for Fortinet stack: FortiGate firewalls (policy design, HA, VPN, advanced inspection), FortiManager (centralized policy governance and compliance enforcement), and FortiAnalyzer (logging, alerting, regulatory reporting, forensic investigations)
• Provide APAC business hours support onsite
• Participate in L3 on-call rotation, including nights and weekends
• Support planned maintenance and major incident response

Job Requirements

• Bachelor’s degree in Engineering, Computer Science, or equivalent experience (preferred)
• 8–10 years of overall experience
• 5+ years of strong hands-on experience in L3 network security operations
• Strong hands-on experience with Cisco Data Center technologies (including ACI)
• Proven ability to troubleshoot complex, multi-domain issues under pressure in customer-facing environments
• Proven support experience in banking, financial services, or regulated environments
• Good knowledge of ITIL Incident, Problem, and Change Management
• Excellent troubleshooting skills in high-availability, mission-critical systems
• Clear communication with engineers, vendors, and stakeholders
• Advanced enterprise routing and switching (Catalyst and Nexus Switching)
• Cisco Enterprise routers and switches (ISR and ASR)
• FortiGate, FortiManager, FortiAnalyzer in production banking environments
• H3C switches and Arista switches (nice to have)
• ITIL Foundation or higher (preferred)
• Cisco and/or Fortinet certifications (preferred)
• Good command of both spoken and written English and Chinese