Junior Operational Security Manager

At NTT DATA, you have endless opportunities to think big, act bold and take ownership. As a $30+ billion business and technology services, AI and digital infrastructure leader, we co-innovate solutions with clients and partners globally for business and societal impact. Serving 75% of the Fortune Global 100, with experts in over 70 countries, we encourage experimentation and recognize great work. Proudly a Global Top Employer, NTT DATA is part of NTT Group, which invests over $3 billion annually in R&D. Make this the place where you belong, learn, and build your network. Make this the place where you grow.

Key Responsibilities

Service Delivery

• 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.

Incident Response Support

• 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.

Team Leadership & Development

• 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.

Operational Improvements

• 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.

Collaboration and Reporting

• 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

About You

We’re looking for a hands-on, proactive professional with the following:

• 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); CISSP or CISM is a plus but not mandatory.
• Eligible for UK SC clearance.

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.

You can find more information about NTT DATA UK & Ireland here: https://uk.nttdata.com/

We are an equal opportunities employer. We believe in the fair treatment of all our employees and commit to promoting equity and diversity in our employment practices. We are also a proud Disability Confident Committed Employer - we are committed to creating a diverse and inclusive workforce. We actively collaborate with individuals who have disabilities and long-term health conditions which have an effect on their ability to do normal daily activities, ensuring that barriers are eliminated when it comes to employment opportunities. In line with our commitment, we guarantee an interview to applicants who declare to us, during the application process, that they have a disability and meet the minimum requirements for the role. If you require any reasonable adjustments during the recruitment process, please let us know. Join us in building a truly diverse and empowered team.