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 Network Security Senior Specialist to join our team in Bangalore, Karnataka, India. In these roles, you will be responsible for: Design, deploy, maintain, troubleshoot and documentation of enterprise-level, mission-critical, network infrastructure components. Provides and maintains a reliable technical infrastructure to effectively serve the customer community. Work on mutiple projects and work streams concurrently to deliver projects on time and within budget. Respond to network incidents, troubleshoot to assess and provide remediation plans. Support queue management, preforming network system analysis and reporting. Collaborate with third party service vendors to ensure Network stays operational. Participates in client/ external interactions on technical matters. Secure network system by established organizational standard and enforcing policies. Evaluate new network technologies and participate in roadmap / architecture planning activities Should have good logical skills with experience in maintaining and troubleshooting large scale networks    Being a team player and adhering to project schedule.  Required Skills for this role include: 5-8 years of experience in WAN and LAN using Cisco Products (Routing, switching and wireless) At least 5 + year hands on knowledge with various networking technologies like HSRP, VRRP, Port-channels, VSS, VSL, Spanning tree, VTP, IPSLA , VRFs, EIGRP, OSPF, BGP,   SD-WAN,MPLS ,IPSEC &   DMVPN Must have managed large scale network and able to support and maintain networks with   -   Cisco routers (ASR) and Catalyst, Nexus switches, Meraki wireless and switching. 2-4 years in security infrastructure - Cisco firepower firewalls, Palo Alto firewalls and Panorama. Experience in TACACS and Cisco ISE Experience in Azure , AWS and other cloud infrastructure. Skills and knowledge and adherence to ITIL & Change Management processes. Excellent customer service -oriented attitude and desire to support end users with issues of varying degrees of complexities. Effective written and verbal communication skills Willing to work in 24X7 environment - The candidate will also be required to work independently and remotely during a 9-hour shift, should be willing to work in rotating shifts if needed - that may include nights and on call support. Required Certifications Cisco Certified Network Professional. NTT DATA is a $30+ billion trusted global innovators of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long-term success. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure and connectivity. We are also one of the leading providers of digital and AI infrastructure in the world. NTT DATA is part of NTT Group, which invests over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. Visit us at nttdata.com NTT DATA is an equal opportunity employer and considers all applicants without regarding to race, color, religion, citizenship, national origin, ancestry, age, sex, sexual orientation, gender identity, genetic information, physical or mental disability, veteran or marital status, or any other characteristic protected by law. We are committed to creating a diverse and inclusive environment for all employees. If you need assistance or an accommodation due to a disability, please inform your recruiter so that we may connect you with the appropriate team. Home | NTT DATA Group NTT DATA helps clients transform through consulting, industry solutions, business process services, IT modernization and managed services.