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Sr Manager - Network Operations & Support

Tata Communications

5 - 10 years

Pune

Posted: 14/08/2025

Job Description



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 DNS and Enterprise alliances like Infoblox, Nokia Vital QIP, Efficient IP and Bind
  • Providing basic & advanced DNS administrative services utilizing the Infoblox, Nokia VitalQIP GUI etc. Very good working knowledge on IP segmenting of subnets. IPV4/IPV6 structure.
  • Linux/ UNIX skills
  • 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.
  • 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, VitalQIP and Efficient IP 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.

About Company

Tata Communications is a global digital ecosystem enabler providing networking, cloud, cybersecurity, IoT, and communication services to enterprises and service providers across 190+ countries.

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