Network Firewall Engineer L2 (AL-FNC250528 005/01)

Xcellink · Singapore

This role is essential for managing and supporting the firewall and broader network infrastructure within public healthcare environments. The Level 2 Network Engineer will work collaboratively with Level 1 and other Level 2/3 teams to ensure secure, stable, and efficient network operations across multiple locations.

Key Responsibilities:

Provide Level 2 support for firewall and intrusion prevention systems (IPS)—handling setup, rule management, monitoring, and troubleshooting.
Collaborate with cross-functional teams to support network and security devices deployed across multiple healthcare campuses.
Maintain and optimize firewall configurations and policies in alignment with security standards.
Respond to security incidents in coordination with the security operations team, including root cause analysis and remediation.
Support core network infrastructure, including routers, switches, and wireless controllers.
Participate in change management processes and assist with root cause analysis for network or security-related problems.
Ensure SLAs are met and contribute to regular performance and incident reporting using ITSM/ITOM tools.
Contribute to capacity planning and system optimization efforts for both firewall and network components.
Maintain clear and updated documentation for configurations, troubleshooting procedures, and network policies.

Requirements

Must-Have:

Diploma or degree in IT, Computer Science, or related field.
3 to 5 years of hands-on experience with firewall administration and enterprise network support.
Strong working knowledge of firewall platforms such as Palo Alto, Fortinet, or Cisco ASA/Firepower.
Solid understanding of key network protocols (TCP/IP, VLANs, VPNs, BGP, OSPF).
Familiarity with intrusion detection/prevention systems and network security monitoring tools.
Experience with ITSM/ITOM platforms for ticketing, incident, and change management.
Comfortable working across multiple sites and supporting both onsite and remote environments.
Strong problem-solving, troubleshooting, and analytical skills.

Preferred:

Certifications like CCNP Security, Fortinet NSE, or Palo Alto PCNSE.
Background in healthcare IT or large enterprise environments.
Knowledge of vulnerability scanning and remediation processes.

Work Environment:

May require regular travel between healthcare facilities within a short radius.
Involves collaboration with onsite engineers and senior support teams.
Participation in after-hours support may be required based on operational needs

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