Infrastructure Engineer III

Cencora (AmerisourceBergen) — Pune, Maharashtra | 04/2025 - Current

Project: Linux Infrastructure Modernization, Puppet Migration

• Led end-to-end migration of Puppet Enterprise to OpenVox for 3000+ Linux servers, reducing licensing and operational costs.
• Executed Linux server migration and OS upgrades across RHEL, CentOS, SUSE, and Ubuntu with minimal downtime and zero impact to critical services.
• Performed infrastructure assessments, dependency analysis, compatibility validation, and post-migration issue resolution.
• Automated system administration tasks with Bash/Shell scripts and applied OS hardening, security patching, and vulnerability remediation.
• Authored technical documentation, runbooks, SOPs, and knowledge articles to support operational excellence.

Technical Specialist

Zensar Technologies Ltd — Pune, Maharashtra | 05/2024 - 04/2025

Project: Cencora (AmerisourceBergen) — Linux Server Migration, OS Upgrade & PAM Remediation

• Executed end-to-end Linux server migrations and OS upgrades across enterprise environments with minimal downtime.
• Assessed system configurations, application dependencies, and hardware compatibility for upgrade planning.
• Resolved upgrade-related issues including performance bottlenecks, package dependencies, and configuration inconsistencies.
• Applied security patches, system hardening, and post-upgrade validation to maintain secure, stable environments.
• Collaborated with infrastructure, application, and security teams to ensure uninterrupted business operations.

Senior Consultant

Nice Software Solutions Pvt Ltd — Pune, Maharashtra | 07/2021 - 04/2024

Project: AT&T EDATAMART | Mashreq Bank

• Supported enterprise-scale analytics and digital platforms for att.com and related web properties.
• Managed 200+ Linux servers on RHEL, CentOS, Ubuntu, and Solaris with provisioning, patching, and lifecycle management.
• Maintained Red Hat clusters, configured fencing devices, failover domains, GFS2/EXT4 file systems, and Oracle DB services.
• Designed cloud-ready solutions for Azure and AWS and supported secure, seamless Mashreq Bank migrations.
• Automated repeated tasks with Shell/Bash scripting and managed vulnerability remediation, security tooling, and CI/CD workflows.

Asst. Manager IT & Innovations

DCM Food Labs Ltd — Bhopal, Madhya Pradesh | 09/2020 - 08/2021

• Led planning, requirements, and delivery for B2B and B2C e-commerce applications and AWS infrastructure.
• Managed application deployment, release planning, production support, and high-availability operations.
• Integrated payment gateways, OTP/SMS services, Google/Facebook APIs, and delivery partner platforms.
• Directed testing, QA, and UAT to ensure reliable application performance.
• Improved development workflows with continuous improvement and operations optimization initiatives.

System and Network Administrator

E-Herex Technologies Pvt Ltd — Bhopal, Madhya Pradesh | 01/2017 - 08/2020

• Managed IT infrastructure, LAN/WAN, firewalls, VPNs, access controls and security policies.
• Administered web-based ERP workflows and maintained Zimbra email services with anti-spam and mail security.
• Performed network troubleshooting and maintained high availability connectivity for business operations.
• Supported infrastructure adoption and emerging technologies across the organization.

System Administrator

Aptech Ltd (On Contract) — Bhopal, Madhya Pradesh | 07/2016 - 12/2016

• Configured Windows Server 2012 R2 and MSSQL 2012 to support online assessments for government recruitment.
• Managed control room operations, IIS 8.0 web hosting, security policies, backups, mirroring, and task scheduling.
• Implemented primary and standby server setups and collaborated with L1 engineers to resolve technical issues.
• Maintained system availability and reliability for critical assessment workflows.

Desktop Support Engineer

Tata Consultancy Services (On Contract) — Bhopal, Madhya Pradesh | 10/2014 - 04/2016

• Supported IT infrastructure for Reliance Retail’s 100+ outlets and resolved POS, MPOS, server, network, and hardware issues.
• Provided helpdesk, telephone, and remote support for end-user technical incidents.
• Configured and maintained desktop environments, security functions, and remote access tools.
• Diagnosed software, hardware, and network problems to improve system uptime and customer satisfaction.