TCS Is Hiring For Network Admin ( Cisco . Arista )

Skill:-Network Admin ( Cisco . Arista )

Exp:-6 to 8 yr

Location:- Chennai

JD

Mandatory Skills

Experience with Arista Switches

Experience with Spine and Leaf Architecture , Routing Protocols – BGP ,OSPF, DMVPN, VLAN, VTP, STP

Experience with Palo Alto Next Gen Devices and Firewalls Cloud and On Premise

Experience in administration of Infoblox for DDI

Experience with Cisco Meraki SD WAN , MX , MS ,MR devices

Experience in Network Automation using Python or Terraform

Experience in Datadog Monitoring and Vulnerability Remediation for Network Devices using Brinqa tool

Experience in managing OOB Devices Raritan , Open Gear

Job Requirements*

Experience in Cisco Routing & Switching

Hands-on experience with DMVPN, IPsec, OSPF and EIGRP.

Expertise in Arista Switches and Enterprise wireless technologies.

Solid understanding of TCP/IP, QoS, multicast, SNMP, and network fundamentals.

Hands-on experience with Palo Alto NG Devices and Firewalls

Hands-on experience with Infoblox to manage DDI

Deep understanding of, TCP/IP, Routing & NAT, L7 security, Threat prevention

Strong expertise in, Panorama, HA configuration

Proven experience managing critical incident escalations.

Familiarity with ITIL processes, ticketing tools, change and problem management.

Key Responsibilities*

- Routing & Switching





- BGP configuration & Troubleshooting WAN links
- Deploy recent vlan and troubleshooting end user network issue
- Firmware upgrade for Cisco, Arista devices

- Cisco Meraki

- Monitoring and VPN configuration
- Firmware upgrade
- RMA Device replacement

- Cisco TACACS/ISE

- Adding & deleting devices
- Palo-alto SD-WAN (Prisma ION 9000)

- Configuration and traffic re-route
- Firmware upgrade

- Experience in troubleshooting Enterprise infrastructure involving MPLS, EGP (BGP) and IGP (OSPF) protocols & Static configuration
- Good experience in Datacenter Network spine/leaf architecture & troubleshooting
- F5 Load balancer

- Adding/Deleting nodes, VIP creation
- SSL certificate update & renewal
- Firmware upgrade

- Firewall (ASA / Palo Alto)

- NAT, Policy creation, object-group
- Firmware Upgrade
- Security policy creation via Terraform

- Infoblox

- DNS/DHCP creation and subnet allocation
- Experience in coordination tasks with service provider for link issues
- Experience in working with Cisco for TAC and RMA support

Exposure Data Dog and Cisco Meraki Dashboards Participate in firewall design, deployments, and migrations.

Ensure compliance with security standards and audit requirements.

Review logs regularly to identify threats and recommend improvements.

📌 Network Admin ( Cisco . Arista ) (Chennai)
🏢 Tata Consultancy Services
📍 Chennai