Senior IT Infrastructure (Disaster Recovery) Officer

Security Operations & Administration
- Manage system performance, availability, and scalability of security platforms.
- Administer, configure, and operate firewalls, IDS/IPS, WAF, DLP, NAC, PAM, DBFW, SIEM, and other network security systems.
- Monitor and analyze security alerts and firewall logs; identify anomalies and respond to incidents.
- Maintain and optimize secure network segmentation, ACLs, NAT, and routing policies.
- Oversee patching, upgrades, and health monitoring for security devices and appliances.
Incident Response & Troubleshooting
- Document incidents, impact assessments, and corrective measures.
- Lead or support incident handling: root cause analysis, containment, remediation, and recovery actions.
- Provide 24/7 operational support (on- call rotation) for critical security infrastructure.
System Optimization & Improvement
- Collaborate with infrastructure teams (network, system, database) to troubleshoot cross- platform issues.
- Develop automation scripts (Python, PowerShell, Ansible, etc.) to improve monitoring, alerting, and operational efficiency.
- Perform capacity planning, performance tuning, and high availability configuration for security systems.
Collaboration
- Work closely with the Policy & Audit team to provide system data, reports, and evidence for compliance and audit checks.
- Mentor junior engineers in system administration and incident handling..
- Coordinate with vendors for support, upgrades, and new feature adoption.
Other tasks as assigned by the manager.

Education:
Bachelor’s degree or higher in Information Technology, Computer Science, Information Security, Network Engineering, or related fields.
Experience:
- Strong troubleshooting and incident response experience in 24/7 environments
- 3+ years of hands- on experience in network or security administration.
- Hands- on experience with enterprise- class firewalls (Palo Alto, Check Point, Fortinet, Cisco ASA/Firepower), IDS/IPS,- DLP, SIEM (QRadar, Splunk, ELK), PAM (CyberArk), NAC (Cisco ISE/Forescout), DBFW.
Skills and Competencies:
- Good understanding of cyber threat landscapes and attack vectors.
- Strong teamwork, analytical, and problem- solving skills.
- Familiarity with cloud security (AWS, Azure) is an advantage.
- Proficiency in OS & security system administration (Linux/Unix/Windows).
- Scripting / automation skills (Python, PowerShell, Ansible) – strong plus.
- Solid knowledge of networking protocols (TCP/IP, BGP, OSPF, VLAN, etc.).

Chế độ bảo hiểm, Phụ cấp, Chế độ thưởng, Chăm sóc sức khỏe, Đào tạo, Tăng lương, Công tác phí, Phụ cấp thâm niên, Nghỉ phép năm

Cập nhật gần nhất lúc: 2026-04-07 13:30:03