Network Specialist

Key Responsibilities and Expertise :

• Acted as the escalation point for Help Desk (HD) and Level 2 engineers.
• Worked as a Subject Matter Expert (SME) for network and security infrastructure.
• Designed and developed secure network architectures for large-scale projects.
• Created design documents : Basis of Design, HLD, LLD, Implementation Plans, and NRFU.
• Implemented firewalls, IPS, VPNs, SSL offload, DDoS protection, device hardening, and other security controls.
• Designed LAN, WAN, VPN requirements for Data Centers and branches.
• Managed end-to-end project lifecycle – planning, design, implementation, testing, and handover.
• Participated in BRD and Functional Design Document review meetings.
• Took ownership of incident and change management, including root cause analysis.
• Worked on security threat identification and mitigation.
• Verified configuration and architecture changes made by other teams.
• Closed all audit findings within deadlines and provided required evidence.
• Ensured all network devices followed security best practices and internal policies.
• Supported branch design teams to implement security from day one.
• Assisted with deployment, installation, and hardware configuration, including offsite.
• Maintained network documentation : configurations, diagrams, and procedures.
• Provided 24x7 support for critical network operations.
• Strong experience with Cisco products : Nexus 9K, ACI, FTD, routers, and switches.
• Hands-on with Cisco ACI SDN, firewall rule conversion, and NAT configuration.
• Skilled in Fortinet and Cisco FTD firewalls and advanced security protocols.
• Configured user authentication via TACACS, RADIUS, and AAA protocols.
• Implemented privilege-based access, password encryption, and secure terminal access.
• Addressed vulnerabilities from OEMs, CERT, SOC, and internal audits.
• Handled incident and problem management, tracking issues till resolution.
• Collaborated with OEM technical teams for advanced issue resolution.
• Strong in communication, stakeholder management, and team collaboration.
• Familiar with ITIL processes and service management principles.
• Proactive, adaptable, and ready to take on new challenges.

Qualification : Bachelor's degree in any stream

Certifications (anyone from below) :