Senior MS Security Engineer - SIEM

NTT Limited; Chennai; On-site; INR 800,000 - 1,200,000; Full time

Job summary

NTT DATA is seeking a Security Managed Services Engineer (L2) for on-site work in Chennai. You will monitor security infrastructures, investigate incidents, and restore services quickly while maintaining SLAs.

You will provide second-level support, coordinate with L1 engineers, log incidents with quality data, and assist with change management and maintenance tasks. A collaborative, client-focused mindset and the ability to work under pressure are essential.

Qualifications

• Bachelor's degree in IT/Computing or equivalent work experience.
• Experience with security operations and incident management preferred.
• Strong communication and collaboration across cultures and teams.

Responsibilities

• Monitor security infrastructures and systems to ensure 24/7 availability.
• Identify, investigate, and resolve incidents while meeting SLA.
• Triage, escalate, and coordinate with L1/L2 teams and clients as needed.
• Execute changes with proper approvals and document actions taken.
• Collaborate with automation teams to optimize workflows and handovers.

Skills

Active listening

Cross-cultural communication

Planning

Client-focused mindset

Adaptability

Time management

Stressor handling

Education

Bachelor's degree in IT/Computing

Tools

ServiceNow

Job description

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 Security Managed Services Engineer (L2) at NTT DATA, your role will be to ensure that our clients' security infrastructures and systems remain operational. With a proactive approach, you'll monitor, identify, investigate, and resolve technical incidents and problems, restoring service efficiently. Your primary objective will be to handle client requests or tickets with technical expertise, ensuring they are resolved within the agreed service level agreement (SLA). You'll actively manage work queues, perform operational tasks, and update tickets with resolution actions. By identifying issues and errors early on, you'll log incidents promptly and provide second‑level support, communicating effectively with other teams and clients to extend support when needed. Your role includes executing changes responsibly, flagging risks and mitigation plans, and ensuring all changes have proper approvals. Collaborative efforts are at the heart of this role. You'll work closely with automation teams to optimize efforts and automate routine tasks, ensuring seamless handovers during shift changes. Your analytical skills will be key in auditing incident and request tickets for quality, recommending improvements, and contributing to trend analysis reports to identify automation opportunities. As a go‑to for initial client escalations, you'll assist L1 Security Engineers with triage and troubleshooting, and support project work when required. Your contributions to the change management process will ensure thorough documentation, effective planning and execution of maintenance activities, and compliance with standard procedures.

To thrive in this role, you need to have:

• Experience with managed services handling security infrastructure and working knowledge of ticketing tools, preferably ServiceNow.
• Proficiency in active listening, with techniques like paraphrasing and probing for further information.
• Excellent planning skills, able to anticipate and adjust to changing circumstances.
• Strong ability to communicate and engage across different cultures and social groups.
• Adaptability to changing conditions and flexibility in approach.
• Client‑focused mindset, always putting their needs and positive experience first.
• A positive outlook and the ability to work well under pressure.
• Willingness to put in longer hours when necessary.
• Bachelor's degree or equivalent qualification in IT/Computing, or relevant 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.

Join our growing global team and accelerate your career with us.

Innovation

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!