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KPN

Nationwide telecom and ICT services provider

Content Engineer CSOC

Security Operations & Incident ResponsePosted on Nov 13
Full-timeHilversum, Netherlands

About the Job

Requirements

  • Relevant experience in security monitoring, a security operations center, detection engineering, or a comparable technical security environment.
  • In-depth knowledge of security operations center processes, including detection, triage, analysis, and incident response.
  • Experience with security information and event management and security orchestration, automation, and response technologies, log analysis, correlation, and developing detection rules and security use cases.
  • Knowledge of MITRE ATT&CK, threat hunting, tactics, techniques and procedures, and adversary simulation.
  • Good command of Dutch.
  • Completion of an AIVD screening is mandatory as part of the application process.

Responsibilities

  • Design, build, test, and maintain detection use cases and correlation rules for security monitoring, translating attack scenarios into detection logic.
  • Translate current threat intelligence, tactics, techniques and procedures, and attack patterns into new and improved detections, and use MITRE ATT&CK to assess monitoring coverage.
  • Analyze and improve existing security content based on monitoring experience, incidents, and threat hunting, balancing detection quality with operational usability.
  • Develop and use attack scenarios and adversary simulations to validate detection performance, collaborating with security operations center, blue-team, red-team, and purple-team specialists and turning results into improvements.
  • Contribute to further automation of security monitoring and explore applying artificial intelligence and large language models to analysis, triage, and security-content improvement.
  • Collaborate with security operations center analysts, engineers, and other security specialists to release new content into production in a controlled manner and keep existing content current and effective throughout its lifecycle.
  • Develop, implement, and continuously improve the content used by the security operations center to detect anomalous and malicious behavior.
  • Ensure relevant threats are detected promptly and effectively by translating threats, attack techniques, and customer needs into detection use cases and technical security content.
  • Make effective use of required logging and data sources, and verify that detections work as intended.
  • Translate new threats, tactics, techniques and procedures, and incident insights into detection improvements, and maintain the quality, relevance, effectiveness, and manageability of existing detections.

Desired Qualifications

  • Experience with scripting, application programming interfaces, or security automation.
  • Affinity with applying artificial intelligence and large language models to security monitoring, analysis, and automation.

About the Company

KPN

Nationwide telecom and ICT services provider

KPN provides telecommunications and IT services in the Netherlands. They run national fixed and mobile networks, including a large fibre footprint and 5G, to deliver consumer services such as telephony, broadband internet, and TV, often bundled in fixed-mobile packages under multiple brands. For businesses and government, they offer connectivity plus IT services like cloud, cybersecurity, data networks, data centres, workplace management, and IoT, along with wholesale access to their networks for other providers. Their goal is to connect the Netherlands with reliable telecom and IT services, grow recurring revenues, maintain market leadership, and expand capabilities in fibre, 5G, cloud, cybersecurity, and IoT while supporting wholesale partners and investing in relevant technologies.

Company size
10,001+
Company stage
IPO
Headquarters
Rotterdam, Netherlands
Founded
1989

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