Application Support Engineer

Overview

Application Support Engineer role focused on managing, troubleshooting and supporting enterprise DDI (DNS, DHCP and IP Address Management) infrastructure using Men & Mice Micetro and Infoblox.

What you'll do

• Manage and administer enterprise DDI infrastructure using Micetro and Infoblox.
• Configure and maintain authoritative and recursive DNS, DHCP services and IPAM solutions.
• Handle DNS zone creation, delegation, and forward/reverse lookup zone configurations.
• Perform onboarding and migration of DNS zones between legacy and DDI platforms.
• Configure and troubleshoot DNS forwarding, conditional forwarding, split-horizon DNS and Anycast DNS concepts.
• Implement DHCP scopes, reservations, failover and lease management.
• Manage IP address allocation, subnet planning and IP utilization reporting.
• Monitor DNS/DHCP health, availability and performance.
• Troubleshoot DNS resolution, replication, latency and delegation issues.
• Support automation.
• Participate in incident management, root cause analysis (RCA) and change management activities.
• Create operational documentation, SOPs and knowledge articles.
• Collaborate with security, network and project teams for DNS requirements.

What you'll need

• Network Infrastructures skill.
• Minimum 5 years of experience.
• Strong hands-on experience with Micetro (Men & Mice) and Infoblox NIOS.
• Experience in Grid architecture and management.
• Expertise in DNS record types A, AAAA, CNAME, MX, PTR, NS; recursive vs authoritative DNS; iterative vs recursive queries; DNS delegation; zone transfer; DNSSEC; conditional forwarding; split DNS.
• DHCP/IPAM: DHCP failover and high availability; scope management; lease troubleshooting; IP subnetting and CIDR; IP planning and utilization management.
• Experience in automation and scripting (Python, Ansible, or similar).
• Ability to troubleshoot complex network incidents and infrastructure issues.
• Excellent communication and collaboration skills.
• 15 years full-time education.

Nice to have

• Experience with AI-aided network observability and management tools.
• Understanding of Agentic AI frameworks for network operations.
• Certifications: Infoblox Certified Professional (ICP); Infoblox DDI Expert; AWS/Azure certifications; CCNA/CCNP.

Details

• Based at the Bengaluru/Hyderabad office.
• Flexible working in client time zone.
• Minimum 6-8 years of experience in large enterprise DDI implementation.