Network - Routing & Switching (Cisco, Aruba, ACI, SD WAN Route), DNS

Network Engineer - Routing & Switching

Location: Pune (TCS)
Experience: 6-9 Years

Job Summary

We are looking for an experienced Network Engineer with strong expertise in Routing & Switching technologies, Cisco networking solutions, Aruba networking, Cisco ACI, SD-WAN, and DNS administration. The candidate will be responsible for designing, implementing, troubleshooting, and supporting enterprise network infrastructure while ensuring high availability, security, and performance.

Key Responsibilities

• Configure, manage, and troubleshoot enterprise Routing & Switching environments.
• Administer and support Cisco network infrastructure including routers, switches, and wireless solutions.
• Deploy, manage, and troubleshoot Cisco ACI (Application Centric Infrastructure).
• Implement and support SD-WAN solutions and routing protocols.
• Manage DNS infrastructure and resolve related issues.
• Monitor network performance and proactively identify potential issues.
• Perform root cause analysis for network incidents and provide permanent fixes.
• Participate in network design, implementation, and migration projects.
• Maintain network security standards and best practices.
• Collaborate with cross-functional teams for infrastructure upgrades and optimization.
• Create and maintain network documentation, diagrams, and operational procedures.
• Support production environments and participate in on-call activities as required.

Required Technical Skills

Networking

• Routing & Switching (Cisco)
• Cisco Catalyst and Nexus Switches
• Cisco Wireless Technologies
• Cisco ACI
• SD-WAN
• DNS Administration

Routing Protocols

• BGP
• OSPF
• EIGRP
• Static Routing

Network Services

• DNS
• DHCP
• NAT
• VLANs
• STP
• HSRP/VRRP

Aruba

• Aruba Switching
• Aruba Wireless Solutions
• Aruba Central (preferred)

Required Qualifications

• 6-9 years of experience in Enterprise Network Operations and Support.
• Strong hands-on experience with Cisco Routing & Switching technologies.
• Experience in implementing and supporting Cisco ACI environments.
• Good understanding of SD-WAN architecture and troubleshooting.
• Strong knowledge of DNS and related network services.
• Experience working in large enterprise environments.
• Excellent troubleshooting and analytical skills.
• Strong verbal and written communication skills.

Preferred Certifications

• CCNP Enterprise
• CCNA
• Cisco ACI Certification
• Aruba Certified Professional (ACP)
• SD-WAN Certifications (preferred)

Soft Skills

• Strong problem-solving abilities.
• Ability to work independently and in team environments.
• Customer-focused approach.
• Good stakeholder management skills.
• Ability to handle critical incidents and work under pressure.

Experience: 6-9 Years
Location: Pune
Employment Type: Full-Time
Company: TCS