Tech S and T-Network Engineer Senior-GDSN02

EY; Kolkata District; On-site; INR 1,800,000 - 2,400,000; Full time

Job summary

EY seeks a Sr. Consultant – Network Infrastructure to design, implement, and optimize enterprise networks across multiple client environments. The role focuses on delivering robust network solutions with SD-WAN, virtualization, and cloud integration, ensuring performance and security.

Strong communication in English is essential for collaboration with global teams. The position requires 8–11 years of experience in network consulting and hands-on exposure to major vendors’ equipment, with a

Qualifications

• Bachelor’s degree in CS/IT/ECE or related field.
• 8–11 years of experience in network consulting, design & implementation.
• Certifications such as CCNP, JNCIP, or PCNSE preferred.
• Solid understanding of OSI and TCP/IP; subnetting; L2/L3 technologies.
• Expertise in core network protocols: TCP/IP, DNS, DHCP, OSPF, BGP, MPLS, VLANs, VXLAN, VPNs.
• Hands-on experience with network equipment from major vendors.
• Good knowledge of security components like firewall.
• Experience with SD-WAN, virtualization, cloud networking & SDN.
• Familiarity with Azure, AWS & GCP.
• Strong English communication skills.

Skills

Networking fundamentals

L3/L2 routing & switching

SD-WAN/SDN

Cloud networking

Client-facing

Education

Bachelor’s degree in Computer Science, IT, ECE or related field

Tools

CCNP

JNCIP

PCNSE

Job description

At EY, you’ll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of you. And we’re counting on your unique voice and perspective to help EY become even better, too. Join us and build an exceptional experience for yourself, and a better working world for all.

Role: Sr. Consultant – Network Infrastructure

Location: Delhi NCR | Bangalore | Pune

Exp. Req.: 8–11 Years

Preference for early joiners (within 30 days)

Requirements

• Bachelor’s degree in Computer Science, IT, ECE or a related field.
• 8–11 years of experience in network consulting, design & implementation, ideally in a client-facing or project delivery role.
• Professional-level certifications such as CCNP, JNCIP, or PCNSE are preferred
• Solid understanding of networking fundamentals: OSI & TCP/IP models, subnetting, Layer 2 & Layer 3 technologies.
• Expertise in core network protocols: TCP/IP, DNS, DHCP, OSPF, BGP, MPLS, VLANs, VxLAN, VPNs, etc.
• Hands-on experience with network equipment from major vendors.
• Good knowledge of security components like firewall.
• Experience with modern networking concepts like SD-WAN, virtualization, cloud networking & SDN.
• Familiarity with cloud networking in Azure, AWS & GCP.
• Strong communication skills in English—both written & verbal.

EY | Building a better working world

EY exists to build a better working world, helping to create long-term value for clients, people and society and build trust in the capital markets.

Enabled by data and technology, diverse EY teams in over 150 countries provide trust through assurance and help clients grow, transform and operate.

Working across assurance, consulting, law, strategy, tax and transactions, EY teams ask better questions to find new answers for the complex issues facing our world today.