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NTT DATA Logo NTT DATA · IT - Administration

Junior Operational Security Manager

United Kingdom, London · Job Posted April 15, 2026
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Job Description

The Junior Operational Security Manager will oversee SOC operations, ensuring high-quality service delivery and incident response. The role requires a proactive professional with over 5 years of experience in a Security Operations Centre, including team leadership. Relevant certifications such as CompTIA Security+ and GCIH are essential, while CISSP or CISM is preferred. The candidate will manage SOC analysts and implement best practices for incident management and threat monitoring.

Job Responsibility

  • Manage and oversee SOC operations and delivery of managed security services to clients
  • Monitor service performance against SLAs and KPIs, ensuring consistent and high-quality execution
  • Implement standard procedures and best practices for incident management, threat monitoring, and vulnerability assessments
  • Serve as the escalation point for client concerns and day-to-day operational issues
  • Conduct regular reviews and contribute to client reports and communications
  • Coordinate and manage incident response efforts in collaboration with senior SOC staff and technical teams
  • Ensure timely detection, escalation, containment, and resolution of security incidents
  • Support post-incident reviews and help implement recommendations for continuous improvement
  • Lead and mentor a team of SOC analysts, providing regular feedback and training
  • Organise team schedules to maintain 24/7 SOC coverage (if applicable)
  • Promote knowledge sharing and adherence to operational playbooks and standards
  • Identify opportunities to streamline processes and improve SOC effectiveness
  • Support implementation of tools and automation to enhance detection and response
  • Assist with operational maturity assessments and track metrics like MTTD and MTTR
  • Work with internal stakeholders and technical teams to ensure smooth service delivery
  • Provide input into customer-facing documentation, such as incident summaries and operational dashboards
  • Maintain awareness of emerging threats and ensure appropriate measures are taken

Requirements

  • 5+ years in a Security Operations Centre or related security environment
  • At least 2 years of experience in a team lead or supervisory role
  • Strong understanding of incident detection, escalation, and resolution processes
  • Experience with tools like SIEM, IDS/IPS, endpoint protection, and threat intelligence platforms
  • Ability to manage team performance and guide junior staff in their development
  • Excellent verbal and written communication skills
  • Strong attention to detail and commitment to quality
  • Relevant certifications (e.g., CompTIA Security+, GCIH, SSCP, CEH)
  • Eligible for UK SC clearance

Nice to have

CISSP or CISM is a plus but not mandatory

What we offer

  • We offer a range of tailored benefits that support your physical, emotional, and financial wellbeing
  • Our Learning and Development team ensure that there are continuous growth and development opportunities for our people
  • We also offer the opportunity to have flexible work options
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