NTT

3 months ago

Junior Operational Security Manager

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Source: Company careers pageValidated by: Fursa AI

Last checked: 20 hours agoStatus: Live

Job Summary

Manage and oversee SOC operations and the delivery of managed security services for clients, ensuring performance against SLAs and KPIs. Lead incident detection, escalation, containment, and resolution in collaboration with senior SOC and technical teams, then drive continuous improvement through post-incident reviews. Mentor SOC analysts, maintain 24/7 coverage planning where applicable, and support operational maturity tracking (e.g., MTTD/MTTR) and customer-facing reporting.

Location: London

Workplace: Onsite

Employment Type: Full time

Job Function: Security & Public Safety

Seniority: Manager level

Key Responsibilities

•Manage and oversee SOC operations and delivery of managed security services to clients.
•Monitor service performance against SLAs and KPIs and ensure consistent, high-quality execution.
•Implement standard procedures and best practices for incident management, threat monitoring, and vulnerability assessments.
•Coordinate incident response efforts with senior SOC staff and technical teams, ensuring timely detection, escalation, containment, and resolution.
•Lead and mentor SOC analysts, including scheduling for coverage needs and supporting knowledge sharing and operational playbook adherence.

Key Requirements

•5+ years of experience in a Security Operations Centre (SOC) 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 such as SIEM, IDS/IPS, endpoint protection, and threat intelligence platforms.
•Relevant security certifications (e.g., CompTIA Security+, GCIH, SSCP, CEH); CISSP or CISM is a plus, and eligible for UK SC clearance.

Experience:Security operationsSOCManaged security services

Skills:ProactiveCommunicationAttention to detailLeadershipCollaboration

Certifications:CompTIA Security+GCIHSSCPCEHCISSPCISM

Tech Stack:SOC operationsSLAsKPIsSIEMIDS/IPSEndpoint protectionThreat intelligence platformsIncident managementThreat monitoringVulnerability assessmentsMTTDMTTROperational playbooks

Eligibility

Security Clearance:UK SC

Company Brief

NTT

Dimension Data, operating under NTT Ltd, provides managed IT services, cloud and data center solutions, networking, cybersecurity, and digital transformation services to enterprise customers worldwide.

Industry: Professional Services

Company Size: Enterprise (1,001+ employees)

Revenue: USD 1B+

Growth: Established Company

Valuation: Public Company (Market Cap in USD)

Headquarters: London, United Kingdom

Founded: 1983

Website LinkedIn

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NTT