Location- Chennai (Hybrid) Experience needed: 4 to 6 years Reporting relationship: Sr. Technical Manager Job Summary: Experience needed: 4 to 6 years Technical skills: Hands-on experience with RHEL server deployment and upgrades. Strong knowledge of network configuration , including VLANs, IP, and HA setup Experience in DNS (internal and external) server configuration and integration Expertise configuring and integrating both internal and external DNS servers, including Akamai-Nominum , BIND, Microsoft DNS, or cloud DNS services. Experience managing DNS zones, records (A, AAAA, CNAME, MX, PTR), and ensuring secure DNS setups (DNSSEC). Ability to integrate DNS with DHCP and Active Directory where applicable. Experience with change in impact analysis and quality management processes Ability to perform technical verification and validation of system configurations and changes along with creating process manuals for same. Knowledge of kernel version upgrades, patch management, system rollback, and troubleshooting. Ability to automate deployment processes using scripting or configuration management tools (e.g., Ansible, Puppet). Key Responsibilities: Testing and Validation Conduct comprehensive testing of network, application and system configuration in the server. Identify and address issues, security vulnerabilities and optimization, as required. Collaborate with cross-functional teams to deploy and configure network devices. Troubleshooting: Diagnose and resolve network and server issues related to technologies. Implement and monitor security measures to safeguard network infrastructure. Documentation: Prepare and publish the Test Plans, Test Cases, MOPs, Execution Status and detailed reports. Preferred requirement: Experience working in global or cross-functional teams Familiarity with compliance standards and infrastructure best practices Prior experience in a similar Architect-level role involving bilingual coordination in enterprise / telecom data centers.