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, SOW, HLD, LLD, Implementation Plans.

- Implemented firewalls, IPS, VPNs, SSL offload, DDoS protection, device hardening, and other security controls.

- Designed LAN, WAN, VPN requirements for Data Centers and branches.

- Manage, monitor, and troubleshoot complex network environments, including routing, switching and security infrastructure.

- Configure, deploy, and support Layer 2 and Layer 3 devices, including routers, switches, and firewalls.

- Implement and troubleshoot advanced routing protocols (e.g., BGP, OSPF, EIGRP, MPLS).

- Manage VLANs, STP, EtherChannel, and other switching configurations.

- Work on WAN optimization, QoS configurations, and traffic shaping.

- Collaborate with cross-functional teams to support network integration and upgrades.

- Document network configurations, processes, and troubleshooting guidelines.

- Managed end-to-end project lifecycle planning, design, implementation, testing, and handover.

- Participated in 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.

- 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.

- Proactive, adaptable, and ready to take on new challenges.

Product Knowledge / Hands on Experience:

- Aruba Central Cloud management.

- Aruba CX, AOS and Comware Switches (6300M, 8360, 6400, 8100, 2930M, 5940).

- Aruba WLAN Gateway managed by Aruba Central (9200 & 7200 Series - AOS 10).

- Aruba Access Points managed by Aruba Central (515 & 655 - AOS 10).

- Juniper Router, Switches, Mist Access Points, SRX firewalls.

- ClearPass Policy Manager.

- FortiGate Firewall.

- Paloalto Firewall.

- Checkpoint Firewall.

Certifications :

Any of the Certification mentioned below (or equivalent) :

- Cisco CCNP Enterprise

- Juniper JNCIP-ENT, JNCIP-MistAI

- Aruba ACP, ACSP