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NTT DATA Logo NTT DATA · IT - Software Development

Security Managed Services Engineer (L4)

Luxembourg, Capellen · Job Posted June 17, 2026
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Job Description

As a Security Managed Services Engineer (L4) at NTT DATA, your day will be filled with dynamic challenges and opportunities to create impactful solutions. You'll work independently yet collaboratively, managing and resolving escalated technical incidents to ensure our clients' security infrastructure remains operational. Your expertise will be essential in proactively investigating and addressing issues before they escalate, always aiming to meet and exceed service level agreements (SLAs).

Job Responsibility

  • Being responsible to implement projects to replace / upgrade the current infrastructure with new versions or solutions, and you will analyze, recommend, and implement new cyber security technologies and solutions
  • Monitor operational infrastructure – you will leverage standard tools and processes to respond and resolve incidents and requests in a timely manner meeting agreed SLA
  • Incident Response – Monitor security events, investigate and respond to security incidents, and assist in post-incident analysis and remediation
  • Documentation: Create and maintain comprehensive documentation related to security configurations, policies, procedures, and incidents
  • Collaboration: Work closely with cross-functional teams, including IT, Network, and Application Development, to ensure the integration of security measures across the organization
  • Research and Innovation: Stay up-to-date with emerging security threats, technologies, and best practices, and provide recommendations for security improvements

Requirements

  • Bachelor's degree in Computer Science, Information Security, or a related field
  • Relevant certifications are a plus
  • Proven experience in network and application security, with expertise in Palo Alto, Bluecoat, F5 (LTM, ASM, APM), ASA VPN or Splunk
  • Knowledge of firewall management, intrusion detection, content filtering, web application security, and VPN technologies
  • Proficiency in PKI design and management, digital certificate issuance, and secure key management
  • Excellent problem-solving and troubleshooting skills, with the ability to work well under pressure
  • Strong communication skills and the ability to collaborate with diverse teams
  • A proactive approach to identifying and mitigating security vulnerabilities and risks
  • Demonstrated ability to work in a fast-paced and dynamic environment
  • Fluent in English
  • The candidate must be native from a NATO country and a valid NATO Secret Clearance is a plus

Nice to have

  • Relevant certifications are a plus
  • Valid NATO Secret Clearance is a plus
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