-
TCrew

Cyber Security Analyst

TCrew
Belgium · Full-time · Mid-Senior

We are seeking a skilled and motivated SIEM Analyst to join a centralized Cyber Security Incident Response Team (CSIRT) within a large enterprise environment. This team is responsible for managing cyber security incidents efficiently and effectively, while ensuring timely communication with senior management.

As a SIEM Analyst, you will play a critical role in developing and enhancing monitoring use cases across a variety of log sources, with the goal of improving visibility and detection capabilities. You’ll collaborate with cross-functional teams, contribute to incident investigations, and support cyber defense initiatives.


Key Responsibilities

  • Work closely with application and engineering teams on log ingestion and validation within the SIEM platform.
  • Analyze log content to ensure data integrity and relevance for security monitoring.
  • Design, implement, and refine actionable use cases in collaboration with the Cyber Defense Center and Threat Intelligence teams.
  • Represent CSIRT in meetings with stakeholders to ensure appropriate logging is in place for key applications and infrastructure.
  • Create and maintain dashboards, alerts, and reports tailored to operational and management needs.
  • Support Blue Team efforts during Red Team simulations and incident response exercises.


Your Profile

  • Bachelor’s degree in Computer Science, Information Security, or equivalent professional experience.
  • Strong understanding of security principles for Windows, Linux, networking, and internet protocols.
  • Solid experience working with Splunk Enterprise Security is mandatory.
  • Proficiency with query languages such as SPL, KQL, etc.
  • Experience working in a Security Operations Center (SOC) environment is highly valued.
  • Exposure to public cloud environments (Azure, AWS, GCP) is an asset.
  • Excellent analytical, communication, and problem-solving skills.
  • Strong team spirit and flexibility in a dynamic environment.
  • High integrity and discretion when handling sensitive information.
  • Fluency in English is required. Knowledge of French and/or Dutch is a plus.


Eligibility Requirements

  • Candidates must have full Belgian citizenship rights or have been residing in Belgium for at least 5 to 10 years.
  • Due to the nature of the role and associated security clearances, only eligible candidates will be considered.

Key Skills

Ranked by relevance

incident response siem cyber security linux cloud aws gcp
Login to Apply
Posted
Sep 02, 2025
Type
Full-time
Level
Mid-Senior
Location
Brussels Region
Company
TCrew

Industries

Telecommunications

Categories

Analyst

Related Jobs

3 roles aligned with this opportunity

View all jobs
View Job Details
Deutsche Telekom
Related

Cybersecurity Specialist (m/f/d)

2026-05-25

Full-time
Not Applicable
Portugal
Telecommunications
Engineering
View Job Details
Telenor
Related

Cyber Security Manager, Governance

2026-05-28

Full-time
Not Applicable
Finland
Telecommunications
Information Technology
View Job Details
Proximus Group
Related

Business Analyst

2026-05-24

Full-time
Mid-Senior
Belgium
Telecommunications
Information Technology