Technical Solutions Architecture Advisor

Role Overview: As a Technical Solutions Architecture Advisor at NTT DATA, you will be a valuable member of the FortiNAC TAC team in Noida, Uttar Pradesh, India. Your primary responsibility will be to troubleshoot complex network access and security issues, serving as a subject matter expert for FortiNAC deployments across various customer environments. Key Responsibilities: - Provide technical support to FortiNAC customers through phone, email, and remote sessions, emphasizing troubleshooting and root cause analysis. - Analyze customer configurations, deployment setups, and network designs, including switches, firewalls, and endpoint connectivity. - Recreate customer-reported issues in lab environments to validate findings and confirm resolutions. - Recommend configuration changes or upgrades based on technical assessments and best practices. - Document case progress accurately, set clear expectations, and ensure timely resolution of support tickets. - Conduct live troubleshooting on customer systems, collaborating with customer IT staff. - Identify, reproduce, and document product bugs or usability issues, escalating to Engineering as necessary. - Participate in the weekend/holiday on-call rotation. - Develop and maintain internal and customer-facing knowledge base articles to share troubleshooting insights and solutions. Qualifications Required: - Strong knowledge of Network Access Control (NAC) concepts, 802.1X, RADIUS, SNMP, and network segmentation. - Solid understanding of network protocols and infrastructure, including TCP/IP, VLANs, DHCP, DNS, routing/switching. - Familiarity with multi-vendor network environments such as FortiGate, Cisco, Aruba, etc. - Experience in Linux/Unix system administration, including CLI-based troubleshooting, is advantageous. - Working knowledge of Windows systems and AD/LDAP integration. - Experience with virtualization platforms and cloud-based deployments is beneficial. - Strong diagnostic and problem-solving skills across Layer 2/3 and application-level issues. - Hands-on experience with FortiNAC or similar NAC products is a plus. - Scripting or automation experience (e.g., Python, Bash) is advantageous. - Excellent communication and customer service skills. - Fluency in both spoken and written English. (Note: Company details omitted as no additional company information was provided in the job description.),