Technical Specialist - L3
Confirmed on the employer's own hiring board on Oct 16, 2026. First seen by Alion on Oct 12, 2026. NTT DATA scores B on the Alion truth index.
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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 WorkingAbout 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.
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