Network Administrator L3
- Source: Naukri
- Tata Consultancy Services
- On-site
- Bengaluru
- Full-Time
- Mid level
Job Description
TCS Hiring!!!
Role & responsibilities
Technical Skills
Strong hands-on experience in:
- Infoblox DDI (DNS, DHCP, IPAM)
Solid understanding of:
- TCP/IP, routing (BGP, OSPF), VLANs, VXLAN
- Network security concepts (ACLs, segmentation)
Process Knowledge
- Good understanding of ITIL framework
- Experience working in production support (24x7) environments
L3 Support & Operations
- Provide Level 3 support for datacenter network infrastructure incidents, problems, and changes
- Perform advanced troubleshooting for complex network and application-related issues
- Lead root cause analysis (RCA) and implement preventive measures
Infoblox DDI
- Manage DNS, DHCP, and IPAM using Infoblox
- Troubleshoot DNS resolution, IP conflicts, and DHCP issues
- Maintain IP address schema and documentation
Operational Excellence
- Follow and enforce ITIL processes (Incident, Problem, Change, Release Management)
- Ensure all activities are documented in ticketing systems
- Participate in Major Incident Management (MIM) calls
- Maintain SLA compliance and service availability
Skills
- infoblox
- ddi
