Network Security Engineer (L3)

NTT Limited; Bengaluru; Hybrid; INR 1,500,000 - 1,900,000; Full time

Job summary

NTT DATA in Bengaluru seeks a Security Managed Services Engineer (L3) to lead secure infrastructure operations for client environments. You will identify and resolve complex incidents, run preventive checks, and apply monitoring tools to keep systems resilient from day one.

You will handle high-complexity tickets, perform root-cause analysis, document knowledge articles, mentor juniors, and collaborate with automation teams to improve delivery and recovery capabilities, ensuring SLA adherence.

Qualifications

• 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 cultures.
• Effective listening skills and adaptability.
• Ability to remain calm under pressure and willing to work longer hours.
• Bachelor's degree or equivalent qualification in IT/Computing or related field.

Responsibilities

• Identify and resolve complex security incidents and problems for client environments.
• Perform necessary checks, apply monitoring tools, and ensure infrastructure is secure and operational.
• Handle third-line support calls and provide advanced solutions to ensure zero SLA misses.
• Create knowledge articles and train junior team members on advanced troubleshooting.
• Provide inputs to automation teams to reduce manual efforts and improve delivery.
• Coach and mentor junior staff; manage projects and disaster recovery functions as needed.
• Support process improvements to enhance service delivery and client satisfaction.

Skills

Security infra

IT engineering

ITIL processes

Project planning

Client focus

Communication

Active listening

Resilience

Education IT/Computing

Education

Bachelor's degree in IT/Computing or equivalent

Job description

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.

Your day at NTT DATA

As a Security Managed Services Engineer (L3) at NTT DATA, you'll be at the helm of ensuring our clients' infrastructures are secure, robust, and running smoothly. Your day will involve proactively identifying and resolving technical incidents, performing necessary checks, and applying monitoring tools to keep everything in top shape. You'll ensure that all assigned infrastructure at client sites is correctly configured, installed, tested, and operational from the start. You'll dive deep into third-line support calls, uncovering the root causes of incidents and problems. daily, you'll engage with clients, providing continuous feedback and updating them about their systems' statuses. Your role is crucial in maintaining zero missed service level agreement (SLA) conditions, identify root cause of critical incidents and implement solutions for problems identified and You'll handle tickets of high complexity, deliver advanced solutions, and contribute to operational improvements. Important responsibility is to 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. As a seasoned professional, you'll lend your expertise to coach and mentor junior team members, especially on advanced technical troubleshooting and best practices. You may also manage and implement projects within your technology domain, ensuring timely and effective delivery in line with client requirements. From optimizing work processes to working on disaster recovery functions, you'll play a key part in enhancing our service delivery.

To thrive in this role, you need to have:

• 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.

Workplace type

Hybrid Working

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.

Company Culture

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.

Is innovation part of your DNA? Do you want to enable a connected future for people, organizations, and society? Join our growing global NTT family and you’ll be part of the world’s largest ICT company (by revenue). We’ve combined the capabilities of 28 remarkable companies to become one, leading technology services provider. Together, we help our people, clients, and communities do great things with technology to create a more secure and connected future. We employ 40,000 people across 57 countries. By bringing together the world’s best technology companies and emerging innovators, we work together to deliver sustainable outcomes to businesses and the world. Innovation is part of our DNA. We believe it’s key to what makes us different. So, we strive to move forward, challenge the status quo, and drive excellence through the technologies we integrate and the services we deliver around the world. The result is connected cities, connected factories, connected healthcare, connected agriculture, connected conservation, connected mobility, and connected sport. Together we enable the connected future. You’ll be joining a global employer that is committed to attracting, growing and keeping the best talent. A place where you will be at the heart of our success!