Network Firewall Engineer

Borr Drilling; Singapore; On-site; SGD 60,000 - 80,000; Full time

Job summary

A leading company in the drilling sector is seeking a Firewall Administrator to monitor and manage security appliances, ensuring optimal performance and compliance with security policies. The ideal candidate has proven experience in network security, proficiency with leading firewall technologies, and excellent problem-solving skills. This role involves collaboration with IT teams and managing security incidents in a dynamic operational environment.

Qualifications

• Proven experience (typically 2+ years) in network security or firewall administration.
• Strong knowledge of firewall platforms and security best practices.
• Excellent problem-solving skills and ability to work under pressure.

Responsibilities

• Monitor and support firewall health and performance.
• Diagnose and resolve firewall-related issues.
• Perform routine updates and configuration backups.

Skills

Firewall Administration

Network Security

Troubleshooting

Compliance Management

Documentation

Collaboration

Tools

Palo Alto

Fortinet

Cisco ASA/Firepower

Python

Ansible

Job description

Job ID: 18934Location: ST Engineering Hub, SGDescription:

Key Responsibilities

• Firewall Monitoring & Support: 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.

Qualifications & Requirements

• Proven experience (typically 2+ years) in network security or firewall administration roles.
• Strong knowledge of firewall platforms (e.g., Palo Alto, Fortinet, Cisco ASA/Firepower), network protocols, and security best practices.
• Experience with VPNs, NAT, ACLs, IDS/IPS, and logging/monitoring tools.
• Familiarity with Windows and Linux systems from a network security perspective.
• Excellent problem-solving skills and ability to work under pressure.
• Strong communication skills and ability to collaborate with cross-functional teams.
• Ability to work independently and manage time effectively to meet deadlines and SLAs.
• Strong attention to detail, organizational skills, and a proactive attitude.

Preferred Skills

• Certifications such as:

• Cisco CCNP Security

• Experience with scripting or automation tools (e.g., Python, Ansible) for firewall management.
• Prior experience in managing enterprise-level network security infrastructure.
• Plus point: Knowledge of ITIL frameworks and best practices for IT service management.
• Plus point: ISMS 27001 audit knowledge.
• Plus point: Familiarity with cloud security and firewalls (e.g., AWS Security Groups, Azure NSGs).
• Plus point: Experience with SIEM tools and log analysis.

Working Conditions

• The position may require standby and occasional after-hours support depending on operational needs.
• Work will be performed on-site/remote as per the company policy.