Infrastructure & Security Engineer
Posted Updated
Top 3 Reasons To Join Us
Enterprise platforms for business operations
AI, cloud, cybersecurity, and digital services
Industry solutions for complex environments
The Job
JOB PURPOSES
- Responsible for supporting the operation, maintenance, and security of enterprise IT infrastructure across Linux/Windows systems, network security, monitoring, and security compliance.
- Apply automation and AI-assisted engineering tools to improve troubleshooting and operational efficiency.
KEY RESPONSIBILITIES
- Bachelor’s degree in IT, Computer Science, Network Security, Telecommunications, or related fields.
- Deploy, operate, monitor, patch, and troubleshoot Linux and Windows servers and infrastructure services.
- Configure and maintain firewalls, VPN, routing, NAT, network connectivity, and security policies.
- Monitor infrastructure availability, performance, capacity, and security events.
- Troubleshoot system and network incidents and support root cause analysis.
- Support system hardening, vulnerability remediation, patching, and security improvements.
- Support Active Directory, DNS, DHCP, Group Policy, and identity and access management.
- Participate in security incident response, compliance reviews, and remediation activities.
- Support automation of operational tasks using scripting and infrastructure tools.
- Maintain technical documentation, system diagrams, SOPs, and implementation documents.
- Collaborate with internal teams, vendors, auditors, and project stakeholders.
Your Skills and Experience
Infrastructure & Operating Systems
- Hands-on experience with Linux administration such as Ubuntu, CentOS, RHEL, Rocky Linux, or equivalent.
- Familiarity with Windows Server, Active Directory, DNS, DHCP, and Group Policy.
Network & Security
- Hands-on experience with at least one firewall platform such as Sophos Firewall, FortiGate, pfSense, OPNsense, or equivalent.
- Understanding of TCP/IP, VLAN, Routing, Switching, VPN, NAT, DNS, and network troubleshooting.
- Familiarity with firewall policies, network segmentation, system hardening, and access control.
- Basic understanding of security principles and least-privilege access.
Monitoring & Security Operations
- Familiarity with monitoring tools such as PRTG, WhatsUp Gold, Zabbix, Grafana, or equivalent.
- Basic understanding of security monitoring, log analysis, SIEM, or SOC operations is an advantage.
Preferred / Nice to Have
Experience in one or more of the following areas is an advantage:
- Virtualization, storage, backup, DR, or HA.
- Bash, PowerShell, Python, Ansible, or similar automation tools.
- Oracle/MySQL administration.
- IAM, MFA, SSO, RBAC, or Zero Trust.
- Docker, Kubernetes, or container security.
- ISO/IEC 27001, PCI-DSS, vulnerability management, or security auditing.
- AI-assisted engineering tools such as ChatGPT, Claude, Cursor, Claude Code, Hermes, or similar platforms.
- Relevant infrastructure, networking, Linux, Microsoft, or cybersecurity certifications.
Candidates do not need to meet every preferred requirement. We value strong fundamentals, hands-on experience, troubleshooting ability, and willingness to learn.
Language & Personal Skills
- Able to read technical documentation and communicate in English.
- Good troubleshooting and analytical skills.
- Responsible, proactive, willing to learn, and able to work independently or in a team.
Why You'll Love Working Here
- Competitive salary and benefits package, including a guaranteed 13th-month salary.
- Company trip annually.
- Dynamic and innovative working environment with professional colleagues.
- Opportunities for professional growth and exposure to enterprise technology platforms and global business practices.
- Comfortable workplace with free parking, coffee, snacks.
- Company-sponsored training programs and professional certifications.
- Onsite working environment at the company office in District 7, Ho Chi Minh City
Skills
- Active Directory
- AI
- Ansible
- Automation
- Bash
- ChatGPT
- Claude Code
- Cloud
- Container Security
- Cybersecurity
- DHCP
- DNS
- Docker
- Firewall
- Grafana
- IAM
- Kubernetes
- Linux
- MySQL
- Network Security
- Networking
- Oracle
- Pci Dss
- PowerShell
- Python
- RBAC
- RHEL
- Root Cause Analysis
- SIEM
- SSO
- TCP/IP
- Ubuntu
- Virtualization
- VLAN
- VPN
- Windows Server
- Zabbix
- Zero Trust