Job Title: Network Security /Firewall Engineer
Monthly Salary: $9,500 - $13,500 SGD
Location: Singapore
Employment Type: Full-time, Permanent
Roles & Responsibilities
- Manage enterprise firewall infrastructure (Palo Alto, Fortinet, or Cisco ASA)
- Implement and maintain firewall rule lifecycle (requests, changes, reviews, clean-up)
- Design and maintain network segmentation and micro-segmentation strategies
- Implement and support NAC (Network Access Control) solutions (Cisco ISE, Aruba ClearPass)
- Deploy and manage ZTNA (Zero Trust Network Access) solutions (Zscaler, etc.)
- Manage SSL/TLS certificate lifecycle for network infrastructure
- Review and approve firewall change requests based on security posture
- Perform firewall rule audits and optimization
- Investigate security alerts from firewalls and IDS/IPS systems
- Maintain documentation of network security architecture and processes
- Participate in security incident response related to network infrastructure
- Stay current with emerging threats and security technologies
Job Requirements
- Bachelor's Degree in Information Security, Computer Science, or related field
- Minimum 8 years of experience in network security engineering
- PCNSE (Palo Alto) or NSE 7 (Fortinet) certification required
- Deep understanding of TCP/IP, stateful inspection, and application identification
- Experience with ZTNA architectures and implementation
- Knowledge of NAC solutions and 802.1X
- Understanding of crypto protocols (IPsec, SSL/TLS)
- Scripting ability for automation (Python, PowerShell) preferred
- Strong analytical and problem-solving skills
- Singaporeans and PRs are encouraged to apply.
