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Senior IT Operational Security Administrator – CDI

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Nomura Bank (Luxembourg) S.A.
📍 Hesperange, Luxembourg
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Location Hesperange
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Posted June 25, 2026
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Commute Local Area
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Local Opportunity Near You!

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Job Description

The Department acts as IT first line of defense, and is responsible of administration and setup of the internal and external security systems, and network infrastructure.

In order to support our team, we are looking for a Senior IT Operational Security Administrator on a permanent contract. 

 

Key Responsibilities:

  • Perform operational tasks related to security equipment maintenance and compliance control implementation

  • Administer and maintain enterprise security infrastructure including antivirus, firewalls, load balancers, email/web gateways, and related systems

  • Coordinate incident response follow-ups

  • Implement and maintain system hardening measures across the infrastructure

  • Monitor and respond to security alerts raised by SIEM, SOC, and other monitoring/alerting systems, ensuring proactive threat detection and timely remediation

  • Oversee vulnerability management program...

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📍 Location Details

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City
Hesperange
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Country
Luxembourg
🚗
Commute
Local Area

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