Manager - Network Operations & Support

Tata Communications; Maharashtra; On-site; INR 1,000,000 - 1,800,000; Full time

Job summary

Tata Communications seeks a DDI L3 Engineer in India to lead DDI operations, manage customer devices, and ensure SLA adherence with robust DNS/DHCP expertise. The role involves migrations, network maintenance, and collaboration with vendors and internal teams to deploy new DDI services.

You will own end-to-end DDI issue resolution, perform maintenance tasks, and provide on-call support, contributing to a reliable, scalable network infrastructure.

Qualifications

• Engineering graduate with DDI/L3 experience.
• Strong DHCP/DNS expertise with Infoblox.
• Willingness to work in flexible shifts.

Responsibilities

• Serve as primary support lead for DDI operations and manage customer devices and end-to-end services.
• Provide L3 technical support for migrations and queries from L2 engineers.
• Own end-to-end DDI issues and provide resolutions.
• Manage the performance of the DDI network and perform migrations and maintenance.
• Coordinate with vendors and internal teams to patch and maintain network infrastructure.
• Create design documents and implement DDI deployments/upgrades.
• Test new releases and ensure EWOs and test cases are complete.
• Define and maintain infrastructure configurations.
• Collaborate with account teams to apply new DDI offerings to meet business needs.
• Ensure data integrity and perform basic trending analyses.
• Provide 24-hour on-call support for TCP/IP, DNS, and DHCP escalations.

Skills

DHCP

DNS administration

Infoblox

IP subnetting

Network troubleshooting

Vendor coordination

TCP/IP

Education

Engineering Graduate

Tools

Infoblox

Bind

Cisco IOS

Job description

About The Company

Tata Communications Redefines Connectivity with Innovation and IntelligenceDriving the next level of intelligence powered by Cloud, Mobility, Internet of Things, Collaboration, Security, Media services and Network services, we at Tata Communications are envisaging a New World of Communications

Roles & Responsibilities

Serves as primary support lead of DDI operations by managing customer devices and end-to-end services. Responsible for maintaining the committed customer SLAs & network uptime.

About The Company

Tata Communications Redefines Connectivity with Innovation and IntelligenceDriving the next level of intelligence powered by Cloud, Mobility, Internet of Things, Collaboration, Security, Media services and Network services, we at Tata Communications are envisaging a New World of Communications

DDI L3 Engineer.

Roles & Responsibilities

Serves as primary support lead of DDI operations by managing customer devices and end-to-end services. Responsible for maintaining the committed customer SLAs & network uptime.

Provide Level-3 technical support for all migration activities and queries form L2 engineers.

Need to take end to end ownership DDI related issues/queries and provide resolutions.

Manage the performance of the overall DDI network and its elements and fixes issues. Performs migration activities. Recommends systems improvements to overall network to maintenance impacts. Performs preventative and routine maintenance activities. Maintains network performance by performing network analysis, and performance tuning; troubleshooting network problems; escalating problems to vendor.

Work with vendors and internal support teams to update, maintain, and patch all network infrastructure.

• Create and maintain design documents


• Implement DDI deployments and upgrades/migrations


• Test all new releases within the account and ensure that all EWOs and Test Cases are complete


• Define and maintain infrastructure configurations


• Work with account teams and/or clients to determine how to apply new DDI service offerings to meet business needs and requirements


• Ensure data integrity of production, backup, and DRA Enterprise database Review and perform basic trending analyses under this area of responsibility.


• Responsible for any incidents and all root cause and corrective action for the account


• Peer review architecture and engineering documents


• Provide 24-hour on-call support for TCP/IP, DNS, and DHCP issue escalations.

Key Competencies & Skills

• Strong fundamental and in-depth hands-on experience with DHCP and Enterprise alliances like Infoblox and Bind


• Providing basic & advanced DNS administrative services utilizing the InfobloxGUI etc. Very good working knowledge on IP segmenting of subnets. IPV4/IPV6 structure.


• Good understanding of Infoblox, Grid Master, Grid Members deployment and maintenance


• Overseeing resource records in domains covering a records, CNAMES, and alias of DNS names and URL’s.


• Enacting object policies and profiles.


• Managing servers, networks, subnets, and objects– DNS/DHCP pushes as well as Stop/Clean/Start.


• Use of basic Cisco network engineer skills for accessing switches and routers.


• Network trouble shooting tasks and incident management stemming from project implementations.


• Managing NTP servers – Chronos.


• Working with other IT staff and vendor representatives on projects, installations, moves, changes, troubleshooting, documentation and servicing.


• Understand customer requirement & design a solution & then implement the same.


• Good knowledge of all LAN switching technologies eg Spanning Tree, VLAN management and VTP concepts etc.


• Working knowledge of firewalls.


• Experience on configuring of Infoblox appliances for DNS and DHCP services


• Good to have relevant LAN/WAN certifications

Education & Qualifications

Engineering Graduate

Special Condition

Candidate should be open to work in flexible shifts.