Senior IT Infrastructure Security Specialist

Top 3 Reasons To Join Us The Job Server, Virtualization & Cloud Management: - Administer enterprise servers (Windows, Linux), virtualization platforms (VMWare, Hyper-V), and cloud resources (AWS, Azure, CMC). - Monitor performance, apply patches/updates, and ensure high availability. - Implement backup and disaster recovery solutions to guarantee business continuity. - Support cloud migration projects and drive cost optimization initiatives Network & Security Administration: - Design, configure, and manage LAN, WAN, Wi-Fi, VPN, firewalls, IDS/IPS, and switching infrastructure. - Perform advanced troubleshooting and optimize network performance and uptime. - Deploy and enforce advanced security measures, including segmentation and intrusion prevention. Identity & Access Management: - Administer Active Directory, DNS, DHCP, and Group Policies. - Manage user accounts, access rights, and authentication services. - Ensure domain controller health, redundancy, and secure integration with enterprise systems. IT Security & Compliance - Develop, implement, and enforce IT security policies and standards. - Conduct vulnerability assessments, patching, penetration testing, and regular security audits. - Ensure compliance with industry regulations (ISO, NIST, internal security frameworks). IT Infrastructure Projects & Leadership - Plan, coordinate, and execute IT infrastructure projects, including migrations and upgrades. - Collaborate with cross-functional teams and external vendors to ensure project success. - Provide technical leadership and mentorship to junior IT staff. - Establish best practices, system documentation, and operational standards. Monitoring & Technical Support: - Use monitoring tools (e.g., Zabbix, PRTG, SolarWinds) to proactively detect and resolve infrastructure issues. - Analyze logs and alerts to ensure timely response to incidents. - Provide tier 2/3 escalation support to minimize downtime and maintain service availability. Your Skills and Experience Bachelor's degree in Computer Science, Computer Engineering, Telecommunications, or a related field At least 5 years of experience in IT infratrusture, operations. Work skills Proficient in Windows Server, Linux, virtualization (VMware/Hyper-V). Experience in IT systems (AD, DNS, DHCP, RADIUS, Office 365, Ivanti, Azure AD). Strong knowledge of networking (TCP/IP, DNS, VLAN, VPN, routing, firewall). Experience with cloud platforms (AWS, Azure, CMC) and hybrid integration. Scripting and automation skills (PowerShell, Bash, Python). Familiarity with IT monitoring tools (Zabbix, PRTG, SolarWinds) and security tools (IDS/IPS, SIEM). Knowledge of IT security frameworks and compliance standards (ISO 27001, NIST, GDPR). Soft skills Problem-solving, analytical thinking, and risk-based decision-making. Strong communication, collaboration, and project management skills Ability to work under pressure and manage multiple priorities. Proactive and responsible working attitude. Why You'll Love Working Here Probation: 2 months with 85% basic salary Working time: Mon to Fri ( 8:00AM – 5:00PM) Working venue: Floor 12, Royal Tower, 235 Nguyen Van Cu Street, District 1, HCMC Annual Leave: 12 days Personal Accident and Health-care Insurance Company product: provided every month after probation period Performance Bonus: base on your KPI achievement Other benefits as per Vietnam Labor law