Mosaic Network Engineer
Tata Consultancy Services· enterprise· Oct 14, 2026 · 14d ago
Neenah, WI
In office
Full-time
Mid
$100K–$120K
Job description
Must Have Technical/Functional Skills
1.Switching Technologies
• Rockwell Automation Industrial Stratix Switches: Stratix 5200/ Stratix 5400/ Stratix 5410/ Stratix 5700/ Stratix 5800/ Cisco Industrial Ethernet Switches: Cisco IE9320
• Cisco Catalyst Switches: Catalyst 9200/ 9300/ 9400/ 9500/ 9600.
2.IT Networking Technologies
• VLANs and Trunking
• SVI (Switched Virtual Interface)
• EIGRP
• HSRP
• ACL Implementation
• VRF
• EtherChannel
• STP
• VTP
• IGMP Querier
• SNMP
• Syslog
3.OT Networking Technologies
• CIP (Common Industrial Protocol)
• PTP (Precision Time Protocol)
• Ethernet/IP
• Modbus
• Profinet
4.Cisco Catalyst Center (DNAC)
• Zero Touch Provisioning (ZTP)
• Software Image Management (SWIM)
• Device Inventory and Lifecycle Management
5.WAN Technology:
• Hands-on experience with WAN technologies including SD-WAN, IPSec, VPN.
• Strong knowledge of WAN routing, traffic optimization.
• Expertise in diagnosing and resolving WAN-related network performance issues.
• Experience managing multi-site enterprise WAN environments.
6.Splunk
• Basic Splunk Architecture Understanding
• Search Processing Language (SPL) Queries
• Log Analysis and Troubleshooting
• Dashboard Review and Monitoring
7.Wireless Technologies
• Cisco Wireless
• Aruba Wireless
• SSID Configuration
• Authentication Methods
• Wireless Troubleshooting
Roles & Responsibilities
Network Implementation
• Implement new Mosaic network infrastructures including:
o Core Switches
o Distribution Layer Switches
o Access Layer Switches
o vSAN Switches
• Configure VLANs, routing, and firewall policies based on business requirements.
• Deploy and configure new wireless SSIDs.
• Execute LAN expansion activities across manufacturing and enterprise environments.
• Support Layer 3 network migrations and network segmentation projects.
• Implement and validate ACL requirements.
Infrastructure Lifecycle Management
• Execute roadmap-based hardware refresh and replacement activities.
• Perform firmware upgrades for Core, Distribution, Access, and vSAN switching infrastructure.
• Maintain network standards, documentati on, and configuration consistency.
Operations and Troubleshooting
• Perform packet captures and traffic analysis.
• Troubleshoot Layer 2 loops and spanning-tree related issues.
• Resolve routing, VLAN, ACL, multicast, and wireless connectivity problems.
• Coordinate with security, server, and application teams for issue resolution.
• Analyse logs using Syslog, SNMP monitoring tools, and Splunk.
ITIL Process Knowledge
• Change Management
• Incident Management
• Problem Management
• Root Cause Analysis (RCA)
• Service Request Fulfilment
Salary Range-$100,000-$120,000 a year
#LI-KR3
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.a
Time Off: Vacation, Time Off, Sick Leave & Holidays.
Legal & Financial Assistance: Legal Assistance, 401K Plan, Performance Bonus, College Fund, Student Loan Refinancing.
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Dental
Vision
401k
Parental Leave