Opening For L1 DNS Networking at Mumbai

Sify

Mumbai

On-site

INR 600,000 - 900,000

Full time

14 days+

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Job summary

SIFY Technologies Limited in Mumbai seeks an experienced L1 DNS Engineer to manage, troubleshoot, and support enterprise DNS with a strong focus on F5 DNS (GTM). The role covers operational support, incident management, problem resolution, and change implementation for critical DNS services.

Responsibilities include monitoring DNS infrastructure, troubleshooting resolution and zone transfer issues, configuring F5 GTM Wide IPs, pools, and iRules, and managing DNS records.

Qualifications

Strong understanding of DNS architecture and protocols.
DNS query flow and recursive resolution.
Forward and Reverse DNS and zone transfers.

Responsibilities

Monitor and manage enterprise DNS infrastructure.
Troubleshoot DNS resolution issues and zone transfer problems.
Configure and manage F5 DNS/GTM Wide IPs, Pools, and iRules.
Perform DNS record management (A, AAAA, CNAME, MX, TXT, SRV, PTR).
Coordinate with application, server, security, and network teams for issue resolution.

Skills

DNS architecture

DNS troubleshooting

F5 DNS/GTM

Networking fundamentals

Incident management

On-call readiness

Analytical thinking

Communication

Education

CCNP security

F5 201

Tools

Wireshark

tcpdump

nslookup

dig

traceroute

ping

Job description

Greetings from Sify Technologies!

About Sify

Sify is the largest ICT service provider, systems integrator, and all-in-one network solutions company on the Indian subcontinent. Weve also expanded to the United States, with headquarters in the heart of Californias Silicon Valley.

Over 10000 businesses have become Sify customers. We also partner with other major network operators to deliver global network solutions.

We have an opening for L1 DNS at Mumbai

Location - Mumbai

Role Summary

We are looking for an experienced L1 DNS Engineer responsible for managing, troubleshooting, and supporting enterprise DNS infrastructure with a strong focus on F5 DNS (GTM), networking, and DNS operations. The candidate will provide operational support, incident management, problem resolution, and change implementation for business-critical DNS services.

Key Responsibilities

Monitor and manage enterprise DNS infrastructure.
Troubleshoot DNS resolution issues, delegation problems, zone transfer issues, and DNSSEC-related incidents.
Configure and manage F5 DNS/GTM Wide IPs, Pools, Topology Load Balancing, iRules, and DNS listeners.
Perform DNS record management (A, AAAA, CNAME, MX, TXT, SRV, PTR).
Manage DNS zones and zone transfers.
Troubleshoot network connectivity issues using TCP/IP fundamentals.
Analyze packet captures using Wireshark and tcpdump.
Perform health monitoring and failover testing for DNS services.
Handle incidents, service requests, problem management, and change implementation.
Coordinate with application, server, security, and network teams for issue resolution.
Maintain operational documentation, runbooks, and SOPs.
Participate in on-call support and major incident management.