IT Security Auditor – Network

h3What you will do /h3 pYou will support the Data Protection Officer of a Belgian public-sector organisation by conducting a thorough security audit of the network and infrastructure architecture. Working with complete autonomy, you will deliver three key outputs: /p ul libInfrastructure and network analysis /b: produce a complete mapping of physical and logical interconnections (corporate network, VPN, shared public-sector networks, public access points) and identify segmentation weaknesses /li libFunctional security analysis /b: model the security of data flows and access management, objectively assess the exposure level of application data, and analyse logging and monitoring policies /li libRemediation action plan /b: draft a prioritised technical roadmap enabling the organisation to implement a remediation plan /li /ul pThe organisation relies on shared network infrastructures within the public sector and has undergone significant digital transformation since 2018, including a digital workplace and external platforms. Your audit will map technical compliance and risks in this complex, multi-tenant environment. /p h3What we are looking for /h3 ul libExpert-level audit experience /b: proven track record as an IT security auditor, with demonstrable examples of previous audit work /li libNetwork security and architecture expertise /b: solid experience with routing, switching, firewalling, remote access (VPN IPsec/SSL) and segmented network architectures /li libVulnerability analysis /b: ability to audit complex multi-tenant environments and trace unauthorised access paths /li libData governance /b: demonstrated sensitivity to data flow security and GDPR compliance requirements /li libPublic-sector IT knowledge /b: practical understanding of public-sector IT environments, including familiarity with shared Belgian public-sector platforms /li libInvestigative mindset /b: rigorous investigative approach with the ability to proactively gather information from multiple stakeholders /li libBusiness impact translation /b: skill in translating network vulnerabilities into business risks and concrete impacts for the Data Protection Officer /li libDocumentation expertise /b: expert-level ability to produce clear, structured technical documentation /li libExperience in large organisations /b: expert-level experience working within large, complex organisational structures /li libBusiness process skills /b: confirmed experience with business process management, modelling (BPMN) and re-engineering /li libEnterprise architecture /b: confirmed experience in enterprise architecture /li libNative-level French /b: all work and deliverables will be in French /li /ul pYou will need to provide a one-page methodological note explaining your approach to delivering all diagrams and analyses within the timeframe. /p h3The setting /h3 pThis assignment runs for two months, starting as soon as possible and concluding at the end of December 2026. You will be based in Brussels with no remote work option. The role requires full-time availability and the ability to work independently to meet tight deadlines. /p pbLocation: /b Brussels /p pbWork address: /b Belgium /p pbEmployer / contracting party: /b HumanInTech /p pbApplications close (Brussels time): /b November 8, 2026 at 1:00 AM /p pbEngagement: /b Freelance or employed by HumanInTech /p pbWorking hours: /b Full-time /p pbExperience: /b 6-10 years or more /p pbEducation: /b Bachelor's or more /p pbPublished: /b October 2026 /p