Network Administrator- Cisco Switching, Routing, Meraki SD-WAN

TCS is Hiring for Network Administrator- Cisco Switching, Routing, Meraki SD-WAN

EXP:- 7 to 12 year

Location:- Pune

JD

Key Responsibilities

• Network Design & Architecture: Lead the design and implementation of enterprise-level LAN, WAN, and wireless network solutions, ensuring alignment with organizational requirements and industry best practices.
• Advanced Troubleshooting: Provide expert-level troubleshooting support for complex network issues, including routing, switching, wireless connectivity, and firewall configurations.
• Firewall Management: Oversee and manage firewalls (Checkpoint, Cisco ASA, Palo Alto, etc.), ensuring secure network traffic and protecting the network from unauthorized access.
• Optimization & Performance Tuning: Continuously monitor and optimize LAN, WAN, and wireless performance, including latency, bandwidth utilization, and high availability.
• Security Solutions: Implement and maintain network security policies, firewalls, and VPNs to ensure confidentiality, integrity, and availability of resources.
• Wireless Network Management: Manage and optimize wireless networks, including site surveys, AP placement, and wireless security protocols (WPA2/WPA3).
• Network Upgrades & Maintenance: Plan and execute network upgrades, firmware patches, and hardware replacements.
• Mentorship & Knowledge Transfer: Provide technical guidance to junior engineers and support staff.
• Incident & Problem Management: Lead resolution of complex network incidents ensuring timely escalation and closure.
• Network Monitoring & Reporting: Monitor network health using tools and provide detailed performance and incident reports.
• Collaboration with Cross-functional Teams: Work with security, cloud, and data center teams for enterprise-wide integration.
• Documentation & Process Improvement: Maintain detailed documentation and contribute to operational improvements.

Required Skills & Qualifications

• Extensive expertise in LAN, WAN, and Wireless networking (OSPF, BGP, MPLS, VLANs).
• Proficiency in firewall technologies (Checkpoint, Palo Alto, Cisco ASA, Fortinet).
• In-depth knowledge of wireless design, RF fundamentals, and optimization.
• Strong understanding of network security principles including VPNs, NAT, and IPS.
• Hands-on experience with monitoring tools (SolarWinds, PRTG, Nagios).
• Experience in high availability (HA) and network optimization for critical systems.
• Advanced troubleshooting in routing, switching, wireless, and firewall domains.
• Scripting/automation skills (Python, Ansible, PowerShell).
• Experience with redundancy, load balancing, and failover designs.
• Familiarity with cloud and hybrid networking (AWS, Azure).
• Excellent communication, documentation, and leadership skills.
• Strong organizational and problem-solving capabilities.