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Cloudteam

Infrastructure & Security Engineer

Posted Updated
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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

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