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Senior IT Infrastructure (Disaster Recovery) Officer

LOTTE FINANCE VIETNAM

Tầng 12A, Tháp Tây, tòa nhà LOTTE Center Hà Nội, 54 Liễu Giai

Posted date:

Experience

3 - 0 Years

Job level

Team Leader / Supervisor

Salary

Job Descriptions

1. Security Operations & Administration
- 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.
- Manage system performance, availability, and scalability of security platforms.
2. Incident Response & Troubleshooting
- Lead or support incident handling: root cause analysis, containment, remediation, and recovery actions.
- Document incidents, impact assessments, and corrective measures.
- Provide 24/7 operational support (on-call rotation) for critical security infrastructure.
3. System Optimization & Improvement
- Perform capacity planning, performance tuning, and high availability configuration for security systems.
- Develop automation scripts (Python, PowerShell, Ansible, etc.) to improve monitoring, alerting, and operational efficiency.
- Collaborate with infrastructure teams (network, system, database) to troubleshoot cross-platform issues.
4. Collaboration
- Work closely with the Policy & Audit team to provide system data, reports, and evidence for compliance and audit checks.
- Coordinate with vendors for support, upgrades, and new feature adoption.
- Mentor junior engineers in system administration and incident handling..
5. Other tasks as assigned by the manager.

Job Requirement

1. Education: Bachelor’s degree or higher in Information Technology, Computer Science, Information Security, Network Engineering, or related fields.
2. Experience:
- 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.
- Strong troubleshooting and incident response experience in 24/7 environments
3. Skills and Competencies:
- Solid knowledge of networking protocols (TCP/IP, BGP, OSPF, VLAN, etc.).
- Proficiency in OS & security system administration (Linux/Unix/Windows).
- Good understanding of cyber threat landscapes and attack vectors.
- Scripting / automation skills (Python, PowerShell, Ansible) – strong plus.
- Familiarity with cloud security (AWS, Azure) is an advantage.
- Strong teamwork, analytical, and problem-solving skills.

More Information

  • Degree: Bachelor
  • Age: Unlimited
  • Type of employment: Permanent

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CareerViet.vn - Mạng Việc làm & Tuyển dụng lớn nhất thế giới

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Senior IT Infrastructure (Disaster Recovery) Officer - Jobs at LOTTE FINANCE VIETNAM