Network Lan Jobs (NOW HIRING)

Job Summary:
Tata Consultancy Services is a leading global IT services and consulting company, and they are seeking a Network LAN SDA Engineer. The role involves designing and implementing Cisco SDA solutions, providing technical support for Cisco Catalyst switches, and collaborating with cross-functional teams to ensure network reliability and performance.
Responsibilities:
• Support a Cisco centric LAN, WAN and WLAN environment. This includes Switches routers, firewalls, security, wireless & ISE.
• Plan, configure, and implement Cisco SDA fabric solutions using Cisco Catalyst Center (formerly DNA Center).
• Manage fabric roles including control plane, border, and edge node configurations.
• Perform fabric monitoring, assurance, and policy management.
• Provide operational technical support for Cisco Catalyst 9300, 9500, 9600 series, and Cisco IE industrial switches.
• Handle network integration and troubleshooting within OT environments.
• Perform hardware installations including stacking, power redundancy, and module replacements.
• Measurement, optimization, and tuning of network performance and ensuring that systems will run reliably and are highly available.
• Deep understanding of network orchestration and automation using Cisco SDA & DNAC with ISE integration, Phyton & Ansible.
• Perform critical technical troubleshooting for LAN and fabric-related incidents.
• Lead software upgrades, patching, and maintenance activities across switching infrastructure.
• Conduct root-cause analysis and implement preventive measures to improve network reliability.
• Strong knowledge and practical experience with OSPF, BGP, ISI-IS protocols.
• Prepare and maintain detailed technical documentation, network diagrams, and SOPs.
• Collaborate with cross-functional teams including security, OT operations, and project engineering.
• Support change, problem management activities and participate in on-call rotation for critical events.
• Function as a point of escalation for operational entities regarding regular or complex issues.
• Monitor system for trouble areas and proactively resolve and document root cause.
• Work closely with customer, Infrastructure teams and vendors such as Cisco.
• Experience working Agile methodologies or working as part of an Agile team.
Qualifications:
Required:
• 8 to 10 years of professional experience.
• High-level teaming and communication skills to influence and persuade others.
• Strong written and verbal communication skills with the ability to create and present concepts and recommendations to management.
• Deep understanding of Internet Protocol (IP) addressing and Variable Length Subnet Mask (VLSM).
• Extensive experience on designing and implementing Cisco SDA (Software-Defined Access), Catalyst Center with Data Center Networking Technologies and Cloud Solutions.
• Strong experience with Monitoring and Alerting Tools: Cisco DNAC/Catalyst Center, Cisco ISE, PagerDuty, Nagios, Data Dog, Thousand Eyes, CloudWatch, Grafana, Zabbix & Site24x7.
• Deep understanding of Local Area Network (LAN) switching technologies including SDA, DNAC, ISE, VXLAN, ACI, fabric path, Spanning Tree (STP), Virtual LAN (VLAN), and VLAN Trunking Protocol (VTP) concepts.
• Cisco SDA Certified or higher certification.
• Proficient with scripting technologies, including but not limited to Python, Ansible, Perl, and Terraform.
• Must have excellent communication and troubleshooting skills.
• Support a Cisco centric LAN, WAN and WLAN environment. This includes Switches routers, firewalls, security, wireless & ISE.
• Plan, configure, and implement Cisco SDA fabric solutions using Cisco Catalyst Center (formerly DNA Center).
• Manage fabric roles including control plane, border, and edge node configurations.
• Perform fabric monitoring, assurance, and policy management.
• Provide operational technical support for Cisco Catalyst 9300, 9500, 9600 series, and Cisco IE industrial switches.
• Handle network integration and troubleshooting within OT environments.
• Perform hardware installations including stacking, power redundancy, and module replacements.
• Measurement, optimization, and tuning of network performance and ensuring that systems will run reliably and are highly available.
• Deep understanding of network orchestration and automation using Cisco SDA & DNAC with ISE integration, Phyton & Ansible.
• Perform critical technical troubleshooting for LAN and fabric-related incidents.
• Lead software upgrades, patching, and maintenance activities across switching infrastructure.
• Conduct root-cause analysis and implement preventive measures to improve network reliability.
• Strong knowledge and practical experience with OSPF, BGP, ISI-IS protocols.
• Prepare and maintain detailed technical documentation, network diagrams, and SOPs.
• Collaborate with cross-functional teams including security, OT operations, and project engineering.
• Support change, problem management activities and participate in on-call rotation for critical events.
• Function as a point of escalation for operational entities regarding regular or complex issues.
• Monitor system for trouble areas and proactively resolve and document root cause.
• Work closely with customer, Infrastructure teams and vendors such as Cisco.
• Experience working Agile methodologies or working as part of an Agile team.
• BACHELOR OF COMPUTER SCIENCE
Company:
Tata Consultancy Services is a business solutions company that specializes on information technology services and consulting. It is a sub-organization of Tata Group. Founded in 1968, the company is headquartered in Mumbai, IND, with a team of 10001+ employees. The company is currently Late Stage.