Senior Security Consultant (Freelance)

Location: Onsite, Luxembourg
Start Date: January 2026
Duration: one year
Eligibility: EU Nationality Required
Work Model: Full onsite presence

Overview

Our customer is seeking an experienced Senior Security Consultant to support security governance, operational security activities, and advisory tasks within a complex enterprise environment. The consultant will work closely with internal IT security teams, external suppliers, and various business stakeholders to ensure strong security posture, high-quality documentation, and consistent BAU security operations.

Key Responsibilities

Security Operations & Reporting

• Analyse security reports (SOC activities, incidents, web filtering, vulnerabilities, remediation, patching, penetration testing, etc.).

• Support daily security tasks including incident management, user request analysis (software security checks, phishing/spam analysis, etc.).

• Monitor threat intelligence sources and identify emerging risks relevant to the organisation.

Governance, Risk & Compliance

• Contribute to maturity assessments based on NIST CSF, Essential Eight, or similar frameworks.

• Assist in preparing quarterly KRI reports.

• Provide documentation and input for internal/external IT audits.

• Support internal controls reviews and ensure clarity, consistency, and alignment with best security practices.

Cloud Security Advisory

• Advise internal teams on MS365 and Azure security architecture, configuration, and operations.

• Review and enhance security-related documentation such as policies, processes, procedures, and standards.

Documentation & Quality Assurance

• Develop or improve security requirements, plans, and test cases.

• Provide quality assurance and act as a point of challenge for technical and documentation deliverables.

• Prepare draft assessments for data location reviews and related security evaluations.

Coordination & BAU Activities

• Follow up on deliverables with internal teams and third-party security providers.

• Lead assigned BAU security initiatives, ensuring quality and timely delivery.

• Support business continuity/disaster recovery preparations and cybersecurity exercises.

• Assist with administrative tasks such as organising meetings, drafting agendas, and preparing minutes.

Key Skills & Experience

• Strong experience in security governance, risk management, and compliance frameworks.

• Hands-on knowledge of SOC operations, incident response, and vulnerability management.

• Solid expertise in MS365 & Azure security (architecture, identity, configuration, operations).

• Experience reviewing and creating security documentation (policies, procedures, RACI, standards).

• Exposure to audit support, internal controls frameworks, and KRI/KPI reporting.

• Ability to analyse threats, emerging risks, and security trends.

• Experience in BC/DR, cyber exercises, or resilience-focused activities.

• Excellent coordination, communication, and stakeholder management skills.

• Ability to work in a structured, precise, and documentation-heavy environment.

Contract Details

• Start: January 2026

• Duration: 210 days

• Location: Fully onsite in Luxembourg

• Eligibility: Must hold EU nationality

• Engagement: Freelance / Independent Consultant