Must Have Technical/Functional Skills Enterprise IT Network

Cisco Switching:

Catalyst (L2/L3)

Cisco Wireless:

WLC, Access Points

Firewalls:

Cisco Firepower / ASA (or equivalent)

• Cisco DNA Center (DNAC)
• Cisco ISE (NAC, authentication) Core Networking
• TCP/IP, VLANs, VXLAN,
• Routing (OSPF/BGP)
• NAT, ACLs, segmentation OT Awareness (Good to Have)
• Basic understanding of: o IT/OT segmentation o Industrial environments o OT security concepts Roles & Responsibilities
• Act as the primary SME for all IT network related incidents.
• Perform end-to-end troubleshooting and resolution independently
• Handle high-severity and production-impacting incidents with full ownership.
• Perform deep root cause analysis (RCA) and implement permanent fixes.
• Manage and support

Enterprise IT Network:

o Cisco LAN (Catalyst switches

• L2/L3) o Wireless (WLC, Access Points, RF troubleshooting) o Firewalls (Cisco Firepower / ASA or equivalent) o Cisco DNA Center (DNAC)
• monitoring, assurance, compliance o Cisco ISE
• authentication, NAC, policy enforcement o Proactively identify and fix network health and performance issues. o Work closely with onsite OT/network plant teams for:
• Plant network dependencies
• Industrial connectivity issues
• Change coordination impacting production o Provide IT-side inputs for IT/OT segmentation and security.

o Perform OT Network troubleshooting o Execute Network changes (configurations, upgrades, patching) o Perform New deployments and site expansions o Ensure Proper risk assessment and rollback planning o Changes executed during approved windows o Manage EOL/EOS tracking and remediation. o Implement and maintain Network segmentation o Firewall policies and secure access controls o Vulnerability remediation and patching o Security incident investigation o Coordinate with OEM TAC (Cisco, firewall vendors) o Create, Update and Maintain Network diagrams and configurations o IP address management o Create, Update and Maintain SOPs/runbooks o Ensure accurate ITSM updates and audit compliance. Generic Managerial Skills, If any

• Strong ownership mindset and ability to work independently is critical
• Excellent troubleshooting and analytical skills
• Ability to handle production-critical situations under pressure
• Clear communication with IT, OT, and business stakeholders
• High discipline in documentation and change processes

Base Salary Range :

$85,000 to $95,000

Per Annum TCS Employee Benefits Summary:

Discretionary Annual Incentive.

Comprehensive Medical Coverage:

Medical & Health, Dental & Vision, Disability Planning & Insurance, Pet Insurance Plans.

Family Support:

Maternal & Parental Leaves.

Insurance Options:

Auto & Home Insurance, Identity Theft Protection.

Convenience & Professional Growth:

Commuter Benefits & Certification & Training Reimbursement.

Time Off:

Vacation, Time Off, Sick Leave & Holidays.

Legal & Financial Assistance:

Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing. #LI-SV2 #

LI-KUMARAN