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Location
In office (Hyderabad)
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 12, 2026. First seen by Alion on Oct 9, 2026.

Overview
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NTT

NTT is a Japanese telecommunications and technology group whose predecessor was established in 1952 as the state telephone monopoly and privatised in 1985. It is one of the largest telecoms operators in the world, running Japan's fixed and mobile networks through NTT Docomo, a global IT services business through NTT Data, and one of the biggest data centre portfolios on the planet. The group invests heavily in long-horizon research, most visibly the IOWN initiative to rebuild networks and computing around photonics rather than electronics, and it develops the lightweight tsuzumi family of Japanese language models.

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.

Job Title: L3 Firewall Specialist

Job Summary:

We're seeking an experienced Firewall Specialist to manage and maintain our network security infrastructure. The successful candidate will be responsible for configuring, monitoring, and troubleshooting firewalls to ensure network security and compliance.

Key Responsibilities:

1. Design, implement, and manage firewall rules and policies.

2. Monitor firewall logs and analyze traffic patterns.

3. Troubleshoot Routing & Switching, network connectivity issues.

4. Collaborate with teams to ensure security compliance.

5. Stay updated on emerging threats and technologies.

Skill Set:

1. Experience with firewall technologies (e.g., Palo-Alto, Fortinet, Check Point).

2. Strong understanding of network protocols (TCP/IP, DNS, etc.).

3. Knowledge of security best practices and compliance regulations.

4. Excellent problem-solving and analytical skills.

5. Excellent Routing and Switching.

Preferrable:

1. Certifications (Palo-Alto, FortiGate, Checkpoint Firewalls)

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. Apply today.

Third parties fraudulently posing as NTT DATA recruiters

NTT DATA recruiters will never ask job seekers or candidates for payment or banking information during the recruitment process, for any reason. Please remain vigilant of third parties who may attempt to impersonate NTT DATA recruiters whether in writing or by phone in order to deceptively obtain personal data or money from you. All email communications from an NTT DATA recruiter will come from an @nttdata.com email address. If you suspect any fraudulent activity, please contact us.

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