Operating Systems

• Strong knowledge of Linux system administration (Ubuntu, CentOS, RHEL, Rocky Linux…).
• Experience administering Windows Server environments, including Active Directory, DNS, DHCP, Group Policy, and File Services.

Network & Security

• Strong experience with at least one enterprise firewall platform:
  • Sophos Firewall XG
  • pfSense & OPNsense
  • FortiGate
• Good understanding of TCP/IP, VLAN, Routing, Switching, VPN, NAT, IPS/IDS, Web Filtering, DNS, and network troubleshooting.
• Experience implementing firewall policies, VPN connectivity, security hardening, and network segmentation.
• Knowledge of enterprise security principles, access control, identity management, and security best practices.

Monitoring & Operations

• Hands-on experience with infrastructure monitoring platforms such as PRTG, WhatsUp Gold, Zabbix, Grafana, or equivalent solutions.
• Experience monitoring system availability, capacity, performance, and service health.
• Basic understanding of SIEM platforms such as Wazuh, Microsoft Sentinel, Splunk, QRadar, or equivalent solutions.
• Basic understanding of Security Operations Center (SOC), security monitoring, threat detection, and log analysis.

Database

• Basic knowledge of Oracle/MySQL Database administration, including user management, backup support, monitoring, troubleshooting, and maintenance.

Virtualization & Infrastructure (Preferred)

• Experience with VMware vSphere, Hyper-V, Proxmox VE, or equivalent virtualization platforms.
• Basic understanding of SAN/NAS storage, backup, disaster recovery, and high availability solutions.

Automation & Scripting (Preferred)

• Basic scripting skills using Bash, PowerShell, or Python for system automation and operational tasks.
• Experience with infrastructure automation tools (Ansible or equivalent) is an advantage.

Identity & Access Security

• Knowledge of Active Directory, LDAP, RBAC, Multi-Factor Authentication (MFA), Single Sign-On (SSO), and Identity & Access Management (IAM).
• Understanding of Zero Trust architecture and least privilege access control principles.

Container Security (Preferred)

• Familiarity with Docker, Kubernetes, and container security best practices.

Security & Compliance

• Strong understanding of IT security principles, defense-in-depth, and enterprise security best practices.
• Familiarity with ISO 9001:2015, ISO/IEC 27001:2022, PCI-DSS, vulnerability management, security auditing, and governance processes.
• Basic understanding of security architecture, risk assessment, vulnerability remediation, and security hardening.
• Knowledge of incident response lifecycle, digital forensic fundamentals, and security monitoring is an advantage.
• Awareness of AI governance and secure adoption of AI technologies is a plus.

AI & Modern Engineering Tools (Preferred)

• Familiarity with AI-assisted engineering tools such as ChatGPT, Claude, Cursor, or equivalent platforms.
• Experience using AI agent platforms such as Hermes, OpenClaw, Claude Code, or similar autonomous agent frameworks.
• Ability to leverage AI tools for infrastructure automation, scripting, troubleshooting, documentation, and operational efficiency.

Certifications (Preferred)

• CCNA or equivalent networking certification.
• MCSA / Microsoft Certified or equivalent Windows Server certification.
• LPI Level 1 (LPIC-1) or RHCSA
• Security+, CEH, ISO/IEC 27001, or equivalent security certifications.
• Oracle certification (nice to have). 

Language

• Good English communication skills.
• Ability to read technical documentation, prepare technical reports, and communicate effectively with international teams.

Personal Skills

• Strong troubleshooting and analytical skills.
• Responsible, proactive, and detail oriented.
• Ability to work independently and in a team.
• Learn new technologies and security standards.