Network Data Administrator

Tata Consultancy Services Limited; Mississauga; On-site; CAD 90,000 - 120,000; Full time

Job summary

Tata Consultancy Services Canada Inc. is seeking a senior network engineer in Mississauga to install, configure, troubleshoot, and maintain complex enterprise networks. The role emphasizes scalability, security, and cloud integration across on-prem and cloud environments.

You will work with Cisco Nexus, Infoblox, Meraki SD-WAN, and cloud networking in Azure/AWS, supporting network design, implementation, and operations with a focus on reliability and performance.

Qualifications

• 6–20 years of experience in network infrastructure and security.
• Experience installing, configuring, troubleshooting and maintaining network infrastructure including switches, routers, WLCs and firewalls.
• Knowledge of public cloud platforms (Azure and AWS) and related networking.

Responsibilities

• Install, configure, troubleshoot and maintain network infrastructure.
• Manage routing and switching including EIGRP/OSPF/BGP, MPLS, STP, VTP, HSRP, and VXLAN.
• Support and manage Infoblox, SD-WAN and cloud networking integration.
• Coordinate change management and risk assessment for network security infrastructure.

Skills

Network installation & troubleshooting

Routing & Switching

SD-WAN

Public Cloud (Azure/AWS)

Cisco IOS/NXOS

Infoblox

Meraki SDWAN

Cisco Nexus

Tools

Infoblox

Azure

AWS

Cisco IOS/NXOS

Meraki SDWAN

Cisco Nexus

Job description

Mississauga, ON | 6 - 20 years of experience | 05-Sep-2026

Job Description

Inclusionwithout Exception

TataConsultancy Services (TCS) is an equal opportunity employer, and embracesdiversity in race, nationality, ethnicity, gender, age, physical ability,neurodiversity, and sexual orientation, to create a workforce that reflects thesocieties we operate in. Our continued commitment to Culture and Diversity isreflected in our people stories across our workforce and implemented throughequitable workplace policies and processes.

Tata Consultancy Services(BSE: 532540, NSE: TCS) is the technology partner of choice forindustry-leading organizations worldwide. Since its inception in 1968, TCS hasupheld the highest standards of innovation, engineering excellence and customerservice.

It has set an aspirationto become the world's largest AI-led technology services company and isenabling its clients to transform themselves across the full AI stack, frominfrastructure to intelligence.

Rooted in the heritage ofthe Tata Group, TCS is focused on creating long term value for its clients, itsinvestors, its employees, and the community at large. With a highly skilledworkforce spread across 56 countries and 194 service delivery centers acrossthe world, the company has been recognized as a top employer in six continents.With the ability to rapidly apply and scale new technologies, the company hasbuilt long term partnerships with its clients. Many of these relationships haveendured into decades and navigated every technology cycle, from mainframes inthe 1970s to artificial intelligence today.

Skillsand Responsibilities:

• Experience in installing, configuring, troubleshooting and maintainingnetwork infrastructure that includes switches, routers, WLC & Firewalls,Meraki SDWAN.
• Network Routing & Switching - EIGRP, OSPF, BGP, MPLS, STP, VTP, HSRP,Port channel, Stack switch, IOS/NXOS upgrade, Cisco Nexus, SDWAN & CiscoACI, Infoblox& ASR, VPC, Fabric Path, STP,VXLAN
• Switching – STP, VTP, Port Channeling, VLAN Trunk, QOS, HSRP & VRRP.
• Basic Knowledge of DNS and DHCP 5. Good Communication Skills. (Verbal/Writing/Presentation)
• I TIL Foundation V3, Cisco ACS5.x, SD WAN
• Knowledge of Public Cloud platforms (AZURE and AWS)
• experience with Infoblox and SNMP management.
• Good to have CCNA Incident and userrequest management against end-to-end network security solution.
• change management and risk assessment with network Security infrastructure.HLD And LLD documentation with infrastructure enhancement/changes.

TCSdoes not use artificial intelligence tools for candidate screening orevaluation. This post is for a current vacancy. The hiring process includes aninitial screening, followed by a technical evaluation and managerialdiscussion.

Tata ConsultancyServices Canada Inc. is committed to meeting the accessibility needs of allindividuals in accordance with the Accessibility for Ontarians withDisabilities Act (AODA) and the Ontario Human Rights Code (OHRC). Should yourequire accommodation during the recruitment and selection process, pleaseinform Human Resources.

Thank you for yourinterest in TCS. Candidates that meet the qualifications for this position willbe contacted within a 2-week period.