Strategic Cybersecurity Data Analyst

Halian | Managed Services, Recruitment Agency & Contract Staffing; Brussel; On-site; EUR 65,000 - 90,000; Full time

Job summary

Halian Group is seeking an experienced Cybersecurity Data Analyst in Brussels to support a strategic cybersecurity programme. The role will establish trusted data foundations, models, flows, controls, metrics and analytical products to measure security exposure and prioritise remediation activities.

You will work across vulnerability management, offensive security, system hardening, detection and response, governance and reporting, bringing together data from multiple sources to create

Qualifications

• 5+ years of experience in data analysis, security analytics, or information architecture within complex enterprise environments.
• Experience designing enterprise data models, data dictionaries, lineage, reconciliation rules, master-data principles and data-quality controls.
• Experience integrating data from multiple operational platforms, databases, interfaces, event streams and structured or semi-structured data sources.
• Ability to define performance and risk indicators, thresholds, formulas, dashboards and management reporting within cybersecurity or regulated programmes.
• Strong data querying, transformation, automation and visualization capabilities with statistical and trend analysis.
• English proficiency is required; French or another European language is a plus.

Responsibilities

• Define and maintain enterprise data models covering assets, applications, services, identities, vulnerabilities, exposures, security controls, remediation activities, exceptions and supporting evidence.
• Map and integrate data from multiple security and operational sources, defining authoritative sources, ingestion requirements, transformation logic, refresh frequencies and reconciliation controls.
• Design end-to-end information flows covering security discovery and assessment, contextualisation, prioritisation, remediation, retesting, closure, reporting and regulatory evidence.
• Establish strong data governance and quality controls covering completeness, accuracy, consistency, uniqueness, timeliness, ownership, lineage and traceability.
• Design performance and risk indicators and develop dashboards for operational, management, executive and regulatory audiences, covering security exposure, remediation progress, control effectiveness and residual risk.
• Support exposure scoring, prioritisation and analytical models, while industrialising reporting through documented metric logic, calculation testing, dashboard validation and automated data preparation.

Skills

Data modeling

Data governance

SQL & data querying

Data visualization

Regulatory reporting

English proficiency

Job description

Halian Group is seeking an experienced Cybersecurity Data Analyst in Brussels to support a strategic cybersecurity programme. The role will establish trusted data foundations, models, flows, controls, metrics and analytical products to measure security exposure and prioritise remediation activities.

You will work across vulnerability management, offensive security, system hardening, detection and response, governance and reporting, bringing together data from multiple sources to create