Senior Network Security Engineer - Managed Services

NTT DATA Global Delivery Services Ltd; Chennai; On-site; INR 1,200,000 - 2,400,000; Full time

Job summary

NTT DATA is hiring a Cross Technology Managed Services Network Security Engineer (L3) in Chennai. The role focuses on proactive incident resolution, ensuring client infrastructure is configured, tested, and operational, and mentoring junior team members across multiple technology domains.

Candidates should have extensive MSP experience, ITIL process knowledge, and strong vendor collaboration skills, with a focus on delivering high-quality service under SLA constraints.

Qualifications

• Bachelor's degree or equivalent in IT/Computing is required.
• Strong ITIL knowledge and experience.
• Experience working with vendors/third parties.
• Ability to communicate across cultures and social groups.

Responsibilities

• Pre-emptive service incident resolution, product reviews and operational improvements.
• Manage high-complexity tickets and provide diverse solutions while ensuring zero missed SLA conditions.
• Mentor junior team members across Cloud, Security, Networking, and Applications.
• Conduct checks, apply monitoring tools, and respond to alerts.
• Log incidents with detailed analysis, assignment and escalation as needed.
• Create knowledge articles and train junior team members in executing tasks.

Skills

ITIL processes

Vendor management

Cross-technology infra

Customer-focused communication

Education

Bachelor's degree in IT/Computing

Job description

Cross Technology Managed Services Network Security Engineer (L3)

Make an impact with NTT DATA Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it’s a place where you can grow, belong and thrive.

Your day at NTT DATA

As a Cross Technology Managed Services Engineer (L3) at NTT DATA, your primary role will be to provide exceptional service to our clients by proactively identifying and resolving technical incidents. You will ensure that client infrastructure is configured, tested, and operational, leveraging your deep technical expertise to solve complex problems and enhance our service quality.

• Pre-emptive service incident resolution, product reviews, and operational improvements.
• Manage high-complexity tickets, perform advanced tasks, and provide diverse solutions while ensuring zero missed SLA conditions.
• Mentor junior team members and work across various technology domains such as Cloud, Security, Networking, and Applications.
• Conduct necessary checks, apply monitoring tools, and respond to alerts, identifying issues before they become problems.
• Log incidents with the required level of detail, analyse, assign, and elevate support calls.
• Proactively identify opportunities for optimization and automation, ensuring continuous feedback to clients and affected parties.
• Create knowledge articles for frequent tasks/issues and train junior team members in executing those tasks.
• Provide inputs to automation teams to reduce manual efforts.
• Engage with third-party vendors when necessary and keep systems and portals updated as prescribed.
• Coach L2 teams on advanced troubleshooting techniques and support the implementation and delivery of projects, disaster recovery functions, and more, ensuring all actions adhere to client requirements and timelines.

To thrive in this role, you need to have:

• Extensive Managed Services experience handling complex cross-technology infrastructure.
• Strong understanding of ITIL processes.
• Proven experience working with vendors and/or third parties.
• Ability to communicate and work across different cultures and social groups.
• Effective planning skills, even in changing circumstances.
• Positive outlook and ability to work well under pressure.
• Active listening skills and adaptability to changing client needs.
• Client-focused approach to create positive client experiences throughout their journey.
• Bachelor's degree or equivalent qualification in IT/Computing (or demonstrated equivalent work experience).

Workplace type : On-site Working

About NTT DATA

NTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world’s leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. Our consulting and industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 70 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is part of NTT Group, which invests over $3 billion each year in R&D.

Equal Opportunity Employer

NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category.

Experience Level Senior Level