System Administrator

☞ ThoughtBot

Visualizza: 106

Giorno di aggiornamento: 30-11-2025

Località: Charleroi Hainaut

Categoria: Amministrativo / Impiegato / Assistente

Industria: Law Enforcement

Tipo di lavoro: Contract

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Contenuto del lavoro

Technical Skills

  • Advanced administration of Windows, Linux, M365, Hybrid Cloud systems.
  • Networking skills (e.g. Ethernet, VLAN, TCP/IP, routing, DHCP, DNS, Wi-Fi).
  • IT security (eg firewall, antivirus, vulnerability management, IDS/IPS, hardening, CIS, OWASP).
  • Proficiency in DevOps and automation tools: Git, Jenkins, GitLab CI, Ansible, Terraform, Docker, Kubernetes, etc.
  • Knowledge of virtualization principles (eg VMware ESX, Nutanix, Hyper-V), storage (eg NAS, SAN), backup/restore (eg Veeam, PowerShell/Bash scripts).
  • Experience in supervision and monitoring (SOC/SIEM, Microsoft Defender, Zabbix).
  • Database administration (type MariaDB, MSSQL, PostgreSQL).
  • Expertise en scripting (Python, Bash, PowerShell) (PowerShell, Bash).
  • IT project management, ITIL best practices.

Training and experience

  • Significant experience (3 to 5 years minimum) in systems, network and security administration.
  • Preferred certifications: Cisco (CCNA/CCNP), Microsoft (MCSA/MCSE), security (CEH, CISSP), ITIL, ISO 27001.

Skills

  • Active directory Level Confirmed Most recent experience This year
  • cloud security LevelConfirmed Most recent experience This year
  • Cryptography/PKI LevelConfirmed Most recent experience This year
  • DevSecOps LevelConfirmed Most recent experience This year
  • Docker LevelConfirmed Most recent experience This year
  • Certificate management LevelConfirmed Most recent experience This year
  • WAF Management LevelConfirmed Most recent experience This year
  • Kubernetes LevelConfirmed Most recent experience This year
  • Linux LevelConfirmed Most recent experience This year
  • Microsoft Windows LevelConfirmed Most recent experience This year
  • network security LevelConfirmed Most recent experience This year
  • OWASP Top10 LevelConfirmed Most recent experience This year
  • PowerShell scripting LevelConfirmed Most recent experience This year
  • SOC/SIEM LevelConfirmed Most recent experience This year

Questions

  • How do you design a secure network architecture for a hybrid infrastructure? What key hardening techniques do you apply to systems and equipment to minimize risks?
  • Describe your approach to implementing encryption and cryptography solutions to secure communications and data at rest. What technical challenges do you foresee and how would you overcome them?
  • When faced with a critical intrusion alert, what are your first technical steps to contain the incident, collect evidence, and investigate the root cause?
  • How do you ensure effective technological monitoring in the face of new cyber threats? Give a concrete example of how you adapted an infrastructure to strengthen its security posture following the evolution of a threat.

    • Languages

    • DutchLevel Nice to have
    • EnglishLevel Passive knowledge
    • FrenchLevel Native
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    Scadenza: 14-01-2026

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