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Technical Specialist - Security (L3)

India, Mumbai · Job Posted May 03, 2026
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Job Description

As a Security Managed Services Engineer (L3) at NTT DATA, you will play a crucial role in ensuring the security and robustness of client infrastructures. Your responsibilities include resolving complex technical incidents, managing security infrastructure, and mentoring junior team members. A bachelor's degree in IT or equivalent experience is required. Strong proficiency in ITIL processes and technical troubleshooting is essential. This position requires a client-focused approach and excellent communication skills. Join us to make a significant impact in a diverse and inclusive environment.

Job Responsibility

  • Resolving complex technical incidents
  • Managing security infrastructure
  • Mentoring junior team members
  • Proactively identifying and resolving technical incidents
  • Performing necessary checks and applying monitoring tools
  • Ensuring all assigned infrastructure at client sites is correctly configured, installed, tested, and operational
  • Diving deep into third-line support calls to uncover root causes of incidents and problems
  • Engaging with clients providing continuous feedback and updating them about their systems' statuses
  • Maintaining zero missed service level agreement (SLA) conditions
  • Identifying root cause of critical incidents and implementing solutions
  • Handling tickets of high complexity
  • Delivering advanced solutions
  • Contributing to operational improvements
  • Creating knowledge articles for frequent tasks/issues and training junior team members
  • Providing inputs to automation teams to reduce manual efforts
  • Coaching and mentoring junior team members on advanced technical troubleshooting and best practices
  • Managing and implementing projects within technology domain
  • Optimizing work processes
  • Working on disaster recovery functions

Requirements

  • Proven experience handling complex security infrastructure within a managed services environment
  • Strong background in IT engineering, preferably within medium to large ICT organizations
  • Deep working knowledge of ITIL processes
  • Proficiency in planning activities and projects well in advance
  • Strong client-focused approach, ensuring a positive client experience
  • Excellent communication skills, with the ability to work across different cultures and social groups
  • Effective listening skills and an ability to adapt to changing circumstances
  • Ability to remain calm and positive under pressure, and willingness to work longer hours when necessary
  • Bachelor's degree or equivalent qualification in IT/Computing or equivalent work experience

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