Senior Firewall Specialist

2 weeks ago

Singapore beBeeCybersecurity Full time $80,000 - $120,000
Job Description

The primary goal of this position is to ensure the security and integrity of our network infrastructure.

  • Firewall Management: Monitor the health and performance of network firewalls and security appliances, ensuring uptime, throughput, and compliance with security policies.
  • Troubleshooting & Issue Resolution: Diagnose and resolve firewall-related issues including access control, VPN connectivity, and intrusion attempts to minimize operational disruptions.
  • Configuration & Maintenance: Perform routine updates, rule base reviews, firmware upgrades, and configuration backups to maintain optimal firewall performance and security.
  • Incident Management: Respond to security incidents involving firewall breaches or anomalies, escalate as needed, and ensure resolution within defined SLAs.
  • Documentation: Maintain detailed logs of firewall changes, incidents, and maintenance activities. Document standard operating procedures and troubleshooting guides.
  • Collaboration: Work closely with network, security, and IT teams to implement firewall policies, support new deployments, and resolve complex network security issues.
  • Security Management: Enforce network segmentation, access control policies, and threat prevention measures through firewall configurations.
  • Disaster Recovery & Redundancy: Ensure firewall configurations are backed up and tested for failover and recovery scenarios.
  • Asset Management: Track firewall hardware and software inventory, licensing, and lifecycle status.
  • Audit Support: Assist with internal and external audits, including ISMS 27001, by providing firewall logs, configurations, and compliance documentation.
  • Vendor Support: Act as the point of contact with firewall vendors (e.g., Palo Alto, Fortinet, Cisco) for support tickets, patching, and after-hours maintenance.
Required Skills and Qualifications
  • Proven Experience: Typically 2+ years in network security or firewall administration roles.
  • Strong Knowledge: Firewall platforms (e.g., Palo Alto, Fortinet, Cisco ASA/Firepower), network protocols, and security best practices.
  • Experience: VPNs, NAT, ACLs, IDS/IPS, and logging/monitoring tools.
  • Familiarity: Windows and Linux systems from a network security perspective.
  • Excellent Skills: Problem-solving, communication, collaboration, and time management.
  • Strong Attention: To detail, organizational skills, and a proactive attitude.
Preferred Skills
  • Certifications: Cisco CCNP Security
  • Scripting or Automation Tools: Python, Ansible
  • Enterprise-Level Network Security: Prior experience managing
  • ITIL Frameworks: Familiarity with best practices for IT service management.
  • ISMS 27001 Audit: Knowledge of audit processes
  • Cloud Security: Familiarity with cloud security and firewalls (e.g., AWS Security Groups, Azure NSGs)
  • SIEM Tools: Experience with log analysis
Working Conditions
  • Standby and After-Hours Support: The position may require standby and occasional after-hours support depending on operational needs.
  • Work Environment: Work will be performed on-site/remote as per company policy.

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