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

Xcellink Pte Ltd

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Work arrangement
On-site
Occupation
Software & IT
Location
Singapore, Singapore, SG
Compensation
Not disclosed
Apply by
April 14, 2027

About this role

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 forfirewall 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 optimizefirewall configurations and policiesin alignment with security standards.
  • Respond to security incidents in coordination with the security operations team, including root cause analysis and remediation.
  • Supportcore 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 usingITSM/ITOM tools.
  • Contribute tocapacity planning and system optimizationefforts 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 yearsof hands-on experience withfirewall administration and enterprise network support.
  • Strong working knowledge offirewall platformssuch asPalo Alto, Fortinet, or Cisco ASA/Firepower.
  • Solid understanding of keynetwork protocols(TCP/IP, VLANs, VPNs, BGP, OSPF).
  • Familiarity withintrusion detection/prevention systemsand network security monitoring tools.
  • Experience withITSM/ITOM platformsfor ticketing, incident, and change management.
  • Comfortable working acrossmultiple sitesand supporting both onsite and remote environments.
  • Strong problem-solving, troubleshooting, and analytical skills.

Preferred:

  • Certifications likeCCNP Security, Fortinet NSE, or Palo Alto PCNSE.
  • Background inhealthcare ITor large enterprise environments.
  • Knowledge ofvulnerability scanning and remediationprocesses.

Work Environment:

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