Senior Cyber Security Assessors (Vulnerability Assessment)

North Atlantic Treaty Organization - NATO | Staff |
Closing: 08 Feb 2026 9 days remaining
Location: Brussels; Mons

Overview

Provide guidance on security controls and perform technical assessments for information systems. Design and implement tools for vulnerability identification and assess vulnerabilities in various NATO systems.

Tasks Summary
  • Provide guidance on the application and operation of elementary physical, procedural and technical security controls
  • Perform technical assessments in support of accreditation of complex or higher-risk information systems
  • Design and implement customized tools/scripts for vulnerability identification
  • Collate and analyse catalogues of information and technology assets for vulnerability assessment
  • Perform vulnerability assessments for NATO on-premise, hybrid or cloud CIS (communication and information systems), and also weapons platforms and ICS/SCADA systems
Experience Requirements
  • At least 3 years practical and recent experience working in the field of cyber security assessments
  • Comprehensive understanding of the principles of computer and communications security, networking, and the vulnerabilities of modern operating systems and applications acquired through a blend of academic or professional training coupled with practical professional experience
  • Demonstrated expertise in applying and assessing the security hardening of Windows and Linux operating systems, including a thorough understanding of system policies, patch management, privilege management, and mitigation of common vulnerabilities
  • Extensive knowledge of Active Directory security configuration and associated vulnerabilities
  • Comprehensive understanding of cloud-native security frameworks across AWS, Azure, and GCP, with the ability to assess and report on specific vulnerabilities
  • Comprehensive knowledge of the deployment, configuration, and security management of border protection devices, including firewalls, intrusion detection and prevention systems (IDS/IPS), and secure gateways
  • Proficiency in the automation of data processing workflows through the application of scripting languages such as PowerShell, Python, and Bash, enabling efficiency, accuracy, and scalability in security operations
  • Proven capacity to present complex security findings, technical reports, and testing outcomes at the executive level, translating technical detail into actionable strategic insight for senior decision‑makers
  • Established expertise in authoring precise and well‑structured technical documentation, including executive summaries, detailed findings, and remediation plans, tailored to audiences ranging from technical specialists to senior leadership
  • Proven leadership experience in directing and coordinating technical Vulnerability Assessment teams within large organizations, preferably in an international or multinational context, ensuring operational excellence and fostering collaborative performance
Qualification Requirements

• Bachelor’s degree at a nationally recognised/certified University in a related discipline and 3 years of experience. Or exceptionally, the lack of a university degree may be compensated by the demonstration of a candidate’s particular abilities or experience that is/are of interest to NCIA, that is, at least 10 years extensive and progressive expertise in duties related to the function of the post

Other Details

Languages Required: • Fluency in English, both written and spoken.

Languages Preferred:

Contract Duration: 5 year contract

Work Modality:

Remuneration: • 8,273.12Euro (EUR) Monthly

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