Senior Network Engineer

Senior Network Engineer Data Center

Location: Kalyan, Maharashtra
Work Mode: Work from Office
Experience: 4–8 Years
Employment Type: Full Time

About the Role

We are looking for a Senior Network Engineer to join our team and take responsibility for the design, configuration, monitoring, troubleshooting, and day-to-day management of our Data Center Network Infrastructure.

The ideal candidate should have strong hands-on experience with routing, switching, BGP, IP announcement, VLANs, L2/L3 networking, routers, and data center networking.

This is a hands-on technical role where the engineer will be responsible for maintaining network availability, performance, security, and troubleshooting network-related issues across our data center infrastructure.

Key Responsibilities

• Manage and maintain the complete Data Center Network Infrastructure.
• Configure, manage, monitor, and troubleshoot routers, switches, firewalls, and network devices.
• Handle IP address announcement and routing activities.
• Configure and manage BGP sessions and BGP routing.
• Work with IP Transit, upstream providers, peers, and BGP routing policies.
• Configure and troubleshoot VLAN, Private VLAN (PVLAN), trunking, and L2/L3 switching.
• Manage Layer 2 and Layer 3 network infrastructure.
• Configure and troubleshoot routing protocols and routing tables.
• Troubleshoot network connectivity, packet loss, latency, routing, and performance issues.
• Manage IP addressing, subnetting, routing, and network segmentation.
• Support network expansion, new server deployments, and customer connectivity requirements.
• Monitor network devices and proactively identify network failures or performance issues.
• Perform network changes, upgrades, maintenance, and configuration backups.
• Maintain proper documentation of network topology, IP allocation, VLANs, BGP configuration, and network devices.
• Coordinate with upstream providers, hardware vendors, and internal technical teams for issue resolution.
• Participate in network troubleshooting during critical incidents and outages.
• Ensure high availability and reliability of the data center network.

Required Technical Skills

Networking – Mandatory

• Strong understanding of TCP/IP, OSI Model, IPv4/IPv6, subnetting and CIDR.

• Strong hands-on knowledge of BGP.

• Practical experience with IP Announcement / IP Prefix Advertisement.

• Good understanding of AS Number, ASN, Prefix, Route Advertisement and BGP Peering.

• Hands-on experience with routers and routing configuration.

• Strong knowledge of Layer 2 and Layer 3 Switching.

• Strong knowledge of:

• VLAN

• Private VLAN (PVLAN)

• Trunking

• Access Ports

• Inter-VLAN Routing

• STP/RSTP

• LACP / Link Aggregation

• Port Channels

• Strong troubleshooting skills for routing and switching issues.

• Understanding of network redundancy and high-availability concepts.

• Experience working in a Data Center / ISP / Hosting environment will be highly preferred.

Additional Skills – Advantage

Knowledge of the following will be an added advantage:

Windows Administration

• Windows Server administration
• Active Directory
• DNS / DHCP
• Windows Server troubleshooting
• RDP and server access management

Cloud & Server Infrastructure

• Cloud server / VM instance management
• Basic understanding of AWS / Azure / other cloud platforms
• Server provisioning and network configuration
• Public and private IP management

Virtualization

• VMware
• Proxmox VE
• Hyper-V
• Virtual networking and virtual switches
• VM networking and VLAN configuration

Candidate Profile

We are looking for someone who:

• Has strong hands-on networking experience, particularly in a data center environment.
• Can independently troubleshoot complex routing and switching issues.
• Has practical experience with BGP and IP announcements.
• Understands how ISP/upstream connectivity and Internet routing work.
• Is comfortable working directly with routers and switches.
• Can handle network incidents and critical outages under pressure.
• Has good analytical and troubleshooting skills.
• Can work independently as well as coordinate with other technical teams.
• Is willing to work from our Kalyan office.

Preferred Experience

Candidates with experience in the following environments will be preferred:

• Data Centers
• Internet Service Providers (ISP)
• Web Hosting Companies
• Cloud Service Providers
• Managed Service Providers (MSP)
• Enterprise Data Centers
• Network Operations Center (NOC)

Qualifications

• Bachelor's degree / Diploma in Computer Science, IT, Electronics, Networking, or a related field.
• Relevant certifications such as CCNA / CCNP will be an advantage.
• Equivalent practical hands-on experience will also be considered.

What You Will Work On

You will be responsible for the core networking infrastructure supporting our servers, virtualization platforms, cloud/server instances, and customer infrastructure. The role provides an opportunity to work on real-world data center networking, Internet routing, BGP, IP announcements, switching, virtualization, and server infrastructure.

If you are a hands-on network engineer with strong BGP, routing, switching, and data center networking experience, we would like to hear from you.