Leonardo Belgium is supporting EU Institutions, NATO, and international organizations in strengthening their cyber defence capabilities, improving resilience, and protecting critical systems against evolving cyber threats.
Within Leonardo Belgium, the EU CyberSec Regional Center serves as a center of cybersecurity expertise, delivering security services and solutions across complex and mission-critical environments.
You will join a team of cybersecurity professionals working on the deployment, operation, and continuous improvement of security solutions supporting critical infrastructures and services.
This role is ideal for cybersecurity professionals who enjoy identifying security weaknesses, prioritizing remediation efforts, and continuously improving the security posture of complex infrastructures through structured vulnerability management processes.
We encourage applications from candidates who may not meet every requirement listed but who are eager to learn and grow within a cybersecurity environment.
Job Specifications
Location: Brussels (3 days on-site 2 days home-working)
Start date: As soon as possible, early applications are appreciated
Type of contract: Employment (Freelance is also be possible)
Security Clearance: Eligibility for EU-PSC required
As a Vulnerability Management & Patching Specialist, you will coordinate vulnerability assessment and remediation activities to reduce risk and strengthen the security of enterprise environments.
You will:
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Lead and optimize continuous vulnerability scanning activities across networks, operating systems, and applications
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Analyse complex vulnerability data, contextualize risks using CVSS and threat intelligence, and define actionable remediation plans
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Coordinate, test, and deploy critical security patches across diverse and highly regulated infrastructure environments
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Collaborate directly with Risk Managers, Architect, System and Network Engineers to ensure timely remediation without disrupting business operations
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Develop, monitor, and report on Key Performance Indicators (KPIs) related to vulnerability closure and patch compliance
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Maintain comprehensive records, remediation reports, and compliance documentation for stakeholders and auditors
Experience / Education / Certifications
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At least a Bachelor's degree in Cybersecurity, Computer Science, or a related technical field, would be appreciated, but alternative educational paths with proven experience will be considered as well
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Several years of professional experience dedicated to Vulnerability Management, Patch Management, or SecOps
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Relevant certifications, in particular related to cybersecurity, are highly appreciated
Successful candidates would typically have
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Hands-on proficiency with enterprise Vulnerability Management tools (e.g., Tenable/Nessus)
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Deep understanding of Patch Management tools and central deployment systems (e.g., WSUS)
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Strong knowledge of cybersecurity frameworks (OWASP, NIST, CIS Controls) and vulnerability scoring systems (CVSS)
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Exceptional attention to detail, precision, and a risk-based prioritization mindset
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Fluent in English, with the ability to bridge technical gaps between security and operations teams
Nice to have
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Automation and scripting skills for reporting and tool integration
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Exposure to cloud security concepts and cloud patch management
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Previous experience supporting EU Institutions, NATO, or international organizations
What's in it for you?
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Work in a high-visibility cybersecurity environment supporting EU and international organizations
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Act as a key defender of critical international infrastructure supporting the management of risks for key EU entities, with high autonomy in defining and steering remediation processes
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Contribute to large-scale international projects involving modern cybersecurity technologies.
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Collaborate with experienced architects, cybersecurity specialists, and infrastructure engineers in multidisciplinary teams.
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Develop your expertise while working on complex technical challenges within a highly regulated environment.
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Grow within an international cybersecurity organization offering long-term career opportunities.
Once we receive your CV, we will evaluate it carefully. Should there be a match for this or any other position at Leonardo Belgium, we will be in touch. If there is no match at this stage, we will keep your profile in consideration for future opportunities.
