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Sopra Steria Logo Sopra Steria · IT - Administration

Security Engineer Expert

Belgium, Machelen Employment contract · Job Posted June 10, 2026
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Job Description

The scope of work will include: Monitoring and managing project execution to ensure timely delivery, scope adherence, and consistent operational quality. Contributing to the continuous improvement of system performance, operational efficiency, and service delivery processes. Deploying, maintaining, and operating up to classified systems in line with security, operational, and documentation standards. Administering and supporting infrastructure components ranging from bare-metal to applications, including network, virtualisation, cloud, storage, and backup systems. Fostering cross-team collaboration to align operations with strategic objectives and service delivery goals.

Job Responsibility

  • Monitoring and managing project execution to ensure timely delivery, scope adherence, and consistent operational quality
  • Contributing to the continuous improvement of system performance, operational efficiency, and service delivery processes
  • Deploying, maintaining, and operating up to classified systems in line with security, operational, and documentation standards
  • Administering and supporting infrastructure components ranging from bare-metal to applications, including network, virtualisation, cloud, storage, and backup systems
  • Fostering cross-team collaboration to align operations with strategic objectives and service delivery goals

Requirements

  • University degree or equivalent experience in computer science, engineering, IT, or a related field
  • Proven senior-level experience in systems administration/engineering or network security, preferably in an international context
  • Experience in complex systems engineering, including security architecture design, certification and validation, cyber risk analysis, and IT/OT security
  • Hands-on experience with scripting and automation using Ansible, Bash, Python, and PowerShell
  • Strong background in PKI, certificate lifecycle management, and IAM/PAM
  • Excellent capability in managing Unix/Linux-based systems and virtualisation environments
  • Capacity to read, understand and troubleshoot complex network infrastructures
  • Strong knowledge of Cybersecurity operations, including CTI, information security policies, and IT/OT security
  • Good comprehension of best practices and standards like: ISO27000, NIST Cybersecurity Framework, ISA62443, Common Criteria, FIPS
  • A professional qualification or certification such as CASP+/CISSP/RHCA/RHCE/MCSE/MCSA
  • Eligible to undergo the ESA and EU secret security clearance procedure

What we offer

  • extensive career development opportunities, both local and international
  • access to Sopra Steria Academy
  • dynamic network of 56,000 professionals
  • wide array of offices to explore
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