Senior Network Engineer - Data Center & Network Infrastructure

Inclusion without Exception

Tata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Our continued commitment to Culture and Diversity is reflected in our people stories across our workforce and implemented through equitable workplace policies and processes.

TCS has been serving the Canadian marketplace for more than 35 years and today is the technology partner of choice for many of the country's leading organizations. As one of the largest IT services providers in Canada and globally, TCS is aiming to become the world's largest AI-led technology services company and is enabling its clients to transform themselves across the full AI stack, from infrastructure to intelligence.

Rooted in the heritage and values of the Tata Group, TCS is focused on creating long-term value for its clients, investors, employees, and the communities it serves. With a highly skilled workforce supporting customers from coast to coast, TCS has consistently been recognized as a Top Employer by the Top Employers Institute, including a recent top ranking at the country level.

TCS also sponsors 14 of the world's most prestigious marathons and endurance events, including the TCS Toronto Waterfront Marathon, reflecting its commitment to health, sustainability, and community empowerment.

Job Description :-

Looking for a Senior Network Engineer with strong experience in designing, implementing, and supporting enterprise-scale Data Center and Network Infrastructure environments. The candidate will work closely with infrastructure, security, and application teams to deliver reliable, secure, and scalable network solutions.

Key Responsibilities

• Design and implement enterprise Data Center network solutions.
• Troubleshoot and resolve complex network issues.
• Collaborate with infrastructure, security, and application teams on network projects.
• Develop network designs, architecture documents, and implementation plans.
• Create and maintain network diagrams, IP addressing plans, and configuration templates.
• Support network migrations, upgrades, and technology refresh projects.
• Participate in network design reviews and change planning activities.
• Provide technical guidance and mentoring to team members.
• Act as an escalation point for critical network incidents and outages.
• Ensure network solutions align with security and compliance standards.

Mandatory Skills

• Strong experience in Data Center Networking.
• Hands-on experience with Cisco Nexus, ASR Routers, and Arista Switches.
• Strong knowledge of Routing & Switching technologies:
• OSPF
• BGP
• TCP/IP
• VLANs
• Multilayer Switching
• VXLAN
• Leaf-Spine Architecture
• Experience with Network Security concepts and multi-tier security architectures.
• Working knowledge of Linux/Unix environments.

Preferred Skills

• SD-WAN, DMVPN, MPLS, WAN technologies.
• Network automation using Python and/or Ansible.
• Public Cloud networking experience (AWS/Azure/GCP).
• Knowledge of Kubernetes, VMware, and Storage Networking.
• Exposure to tools such as DNA Center, Wireshark, Infoblox, Splunk, SevOne, and Ansible.
• CCIE or equivalent certification preferred.

Soft Skills

• Strong communication and presentation skills.
• Ability to work independently and collaboratively.
• Strong ownership and accountability.
• Flexible, adaptable, and customer-focused.

Honest, reliable, and proactive problem solver

Thank you for your interest in TCS. Candidates that meet the qualifications for this position will be contacted within a 2-week period. We invite you to continue to apply for other opportunities that match your profile.