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Information System Security Engineer (ISSE) / Cybersecurity Systems Engineer (TS Cleared)

Company: NTT

Location: Quantico, London

Posted: June 16, 2026

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Position Details

JOB DESCRIPTION

Req ID: 369253 

We are currently seeking a Information System Security Engineer (ISSE) / Cybersecurity Systems Engineer (TS Cleared) to join our team in Quantico, Virginia (US-VA), United States (US).

Job Duties:

  • Manage, monitor, and maintain IT infrastructure to ensure system uptime and optimal performance.
  • Maintain performance to ensure that the throughput of the system does not degrade unexpectedly as the volume of work increases
  • Perform regular system backups, recovery procedures, and data management tasks.
  • Provide technical support and assistance to users.
  • Develop and maintain system documentation, including configurations, procedures, and troubleshooting guides.
  • Plan and implement software updates, hardware upgrades, and migrations with minimal disruption to operations.
  • Provide technical support for systems and applications.
  • Monitor and optimize the performance of the infr...