Network Engineer- L1/L2 | Firewall

Alphaeus Pte Ltd; Singapore; On-site; SGD 60,000 - 80,000; Full time

Job summary

A leading company in IT security is seeking a Level 2 Support Engineer in Singapore to manage firewall systems and network security. This role involves troubleshooting, collaboration with cross-functional teams, and ensuring compliance with security protocols. Candidates should have relevant experience, educational background, and industry certifications.

Qualifications

• Minimum 2 years of experience in firewall administration and network support.
• Certifications such as CCNP Security, Fortinet NSE, Palo Alto PCNSE, or equivalent are preferred.
• Ability to work in a multi-site environment.

Responsibilities

• Provide Level 2 support for firewall and intrusion prevention systems.
• Collaborate with engineers for network and security device support.
• Manage firewall policies, rules, and configurations.

Skills

Firewall Administration

Network Support

Incident Response

Configuration Management

Security Monitoring

Education

Diploma or Degree in Computer Science, Information Technology

Tools

ITSM/ITOM Platforms

Palo Alto

Fortinet

Cisco ASA/Firepower

Job description

Responsibilities:

· Provide Level 2 support for firewall and intrusion prevention systems (IPS), including configuration, monitoring, and troubleshooting.

· Collaborate with other engineers to support both network and security devices across multiple campus locations.

· Manage and maintain firewall policies, rules, and configurations in accordance with security best practices.

· Perform incident response and remediation for security events in coordination with the security operations team.

· Support centralized network administration for switches, routers, wireless controllers, and other network equipment.

· Participate in change management and problem resolution processes.

· Ensure compliance with Service Level Agreements (SLAs) and contribute to monthly reporting using ITSM/ITOM tools.

· Assist in capacity planning and performance tuning of firewall and network systems.

· Maintain documentation for configurations, procedures, and troubleshooting guides.

Requirements:

· Diploma or Degree in Computer Science, Information Technology, or a related field.

· Minimum 2 years of experience in firewall administration and network support.

· Strong knowledge of firewall platforms (e.g., Palo Alto, Fortinet, Cisco ASA/Firepower).

· Solid understanding of network protocols (TCP/IP, BGP, OSPF, VLANs, VPNs).

· Experience with intrusion prevention systems (IPS) and security monitoring tools.

· Familiarity with ITSM/ITOM platforms for incident and change management.

· Ability to work in a multi-site environment and support remote and onsite operations.

· Certifications such as CCNP Security, Fortinet NSE, Palo Alto PCNSE, or equivalent.

· Experience in healthcare or large enterprise environments.

· Knowledge of vulnerability scanning and remediation processes.

· Collaboration with cross-functional teams including Level 1 and Level 3 support.

· Participation in after office hour support depending on operational needs.