Palo Alto firewalls - Network Security Senior Specialist

Req ID: 371222 NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now. We are currently seeking a Palo Alto firewalls - Network Security Senior Specialist to join our team in Noida, Uttar Pradesh (IN-UP), India (IN). L3 (Grade 9) – Network Security senior Specialist Key Responsibilities • Provide day-to-day operational support for Palo Alto firewalls and Panorama. • Handle incident, request, and change management activities. • Monitor firewall health, logs, and alerts; triage and resolve issues within SLA. • Perform configuration changes (NAT, security rules, objects) under standard procedures. • Support upgrades, patching, and routine maintenance activities. • Assist in rulebase reviews and cleanup activities. • Escalate complex issues to L4/vendor with proper analysis and logs. • Maintain documentation, runbooks, and knowledge base updates. • Participate in on-call rotation and support multiple customer environments. • Willing to work in 24X7 environment Required Skills & Experience • 3–6 years of network/security experience • Hands-on experience with Palo Alto firewalls and Panorama (operations level) • Strong understanding of: o TCP/IP, routing, NAT, VPN o Security policies and logging • Basic knowledge of: o Authentication (LDAP/AD/SSO) o Web/proxy concepts (WCCP, PAC) • Experience with ticketing tools and ITIL processes • Good troubleshooting and analytical skills • Strong communication skills Preferred • Exposure to Azure/AWS • Basic scripting/automation (optional) • PCNSA certification 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 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D. Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client’s needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only use @nttdata.com and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form, . NTT DATA endeavors to make accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at . This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please click here . If you'd like more information on your EEO rights under the law, please click here . For Pay Transparency information, please click here .