Senior IT Security Auditor – Public Sector Networks

HumanInTech; Brussel Hoofdstad; On-site; EUR 111,000 - 166,000; Full time

Job summary

HumanInTech seeks an experienced IT security auditor to support a Belgian public-sector organisation. You will conduct a thorough security audit of network and infrastructure architecture, delivering an infrastructure map, a security model of data flows, and a remediation plan.

Based in Brussels for a two‑month, full‑time assignment starting as soon as possible, with no remote work. You will translate complex technical risks into business impacts for the Data Protection Officer and produce clear

Qualifications

• Audit experience in IT security within public-sector environments.
• Deep knowledge of network security including VPNs, firewalls and segmentation.
• Ability to map data flows, assess access controls and GDPR considerations.
• Experience producing clear, structured technical documentation.
• Proven ability to translate technical risks into business impacts for executives.

Responsibilities

• Audit infrastructure and network architecture and map interconnections.
• Model data flow security, assess exposure, and review logging policies.
• Create a remediation action plan with a prioritised technical roadmap.

Skills

Expert-level audit experience

Network security & architecture

Vulnerability analysis

Data governance

Public-sector IT knowledge

Investigative mindset

Business impact translation

Documentation expertise

Experience in large organisations

BPMN / business process modelling

Enterprise architecture

Native-level French

Education

Bachelor's degree or higher

Job description

HumanInTech seeks an experienced IT security auditor to support a Belgian public-sector organisation. You will conduct a thorough security audit of network and infrastructure architecture, delivering an infrastructure map, a security model of data flows, and a remediation plan.

Based in Brussels for a two‑month, full‑time assignment starting as soon as possible, with no remote work. You will translate complex technical risks into business impacts for the Data Protection Officer and produce clear