Lead Linux & Cloud Infrastructure Engineer

GANESH KUMAR GUPTA

Lead Linux & Cloud Infrastructure Engineer RHCE RHCSA AWS Solutions Architect Azure Administrator Chennai, India +91-882******* **********@*****.*** PROFESSIONAL SUMMARY

Lead Linux and Cloud Infrastructure Engineer with 12+ years managing enterprise-scale RHEL/CentOS environments across AWS and Microsoft Azure. Reduced operational costs by 35% YoY through infrastructure automation, cut deployment cycles by 60%, and maintained 99.8% uptime SLA across mission-critical, high-availability systems. Skilled in cloud architecture, infrastructure automation (Ansible, Bash, Python), CI/CD pipelines, Linux security hardening, and disaster recovery planning. RHCE, RHCSA, AWS Certified Solutions Architect, AWS Certified SysOps Administrator, Microsoft Azure Administrator Associate, and ITIL 4 certified. CORE TECHNICAL SKILLS

Linux & Systems Administration: RHEL 7/8/9, CentOS, Kernel Tuning, LVM, SELinux, YUM/RPM Package Management, OS Hardening, Patch Management, Performance Optimization, Capacity Planning Cloud Platforms: AWS (EC2, RDS, VPC, S3, Route 53, IAM, CloudWatch, Auto Scaling), Microsoft Azure Administration, High Availability (HA) Architecture, Disaster Recovery (DR), Infrastructure Scaling Automation & DevOps: Bash / Shell Scripting, Python, Ansible (Configuration Management), GitLab CI/CD, ServiceNow Flow Designer, Infrastructure Automation Security & Monitoring: Linux Security Hardening, Vulnerability Remediation, SSH Key Management, TLS/SSL & Encryption, Access Control, ELK Stack, Prometheus, Grafana, Dynatrace, Incident Response, Root Cause Analysis

(RCA)

Enterprise Tools & Platforms: Jira, Confluence, Apache Tomcat, PostgreSQL, Elasticsearch, Kibana, Red Hat Satellite, Jenkins, GitLab, NetVault, Dell EMC Networker PROFESSIONAL EXPERIENCE

CGI Information Systems & Management Consultants Pvt. Ltd. Lead Analyst – Linux Jun 2023 – Present

Chennai

• Lead cloud and Linux architecture for an enterprise Data Security Platform spanning 100+ production servers across Dev/Test/UAT/Production environments supporting business-critical operations.

• Architected and deployed highly available infrastructure using AWS (EC2, RDS, VPC) and Microsoft Azure, reducing unplanned downtime incidents by 40% while improving disaster recovery (DR) resilience.

• Automated server provisioning and CI/CD pipelines via Ansible, GitLab CI/CD, and Bash scripting, accelerating deployment cycles by 60% and eliminating 12+ hours of manual effort weekly.

• Engineered ServiceNow Flow Designer workflows automating infrastructure provisioning and ticket routing, reducing manual processing time by 35% and achieving 99% operational consistency.

• Implemented Linux kernel hardening, SELinux policy configuration, and proactive vulnerability remediation protocols, strengthening security posture across enterprise applications.

• Spearheaded incident response and root cause analysis (RCA), maintaining 99.8% uptime SLA across production systems while reducing Mean Time to Recovery (MTTR) by 30%.

• Mentored junior Linux engineers on infrastructure architecture, cloud best practices, and DevOps methodologies; developed SOPs, runbooks, and technical documentation. CMS Computers Ltd. Cloud Administrator – Linux Dec 2021 – Jun 2023 Chennai Client: National Informatics Centre – Govt. of India

• Managed 200+ RHEL/CentOS servers supporting Government of India cloud and business continuity infrastructure, ensuring service availability for critical national applications.

• Designed and deployed enterprise-grade recovery and continuity solutions, achieving Recovery Time Objective

(RTO) and Recovery Point Objective (RPO) SLA targets for production workloads.

• Executed system patching, kernel upgrades, and capacity forecasting via Red Hat Satellite across production and non-production environments, minimizing update windows to 2 hours.

• Deployed Prometheus and Grafana monitoring platforms enabling real-time system visibility and anomaly detection, reducing Mean Time to Detection (MTTD) by 45%.

• Collaborated with security and compliance teams implementing Linux hardening standards, access control policies, and vulnerability remediation workflows across the infrastructure stack. SISL Infotech Pvt. Ltd. System Architect – Linux Jan 2021 – Nov 2021 New Delhi Client: National Informatics Centre – Govt. of India

• Architected a cloud platform supporting 30+ critical government applications, establishing infrastructure standards that improved deployment consistency by 35%.

• Implemented server provisioning automation and patch management workflows, reducing manual configuration time by 50% while improving operational standardization.

• Conducted capacity planning and infrastructure optimization studies to forecast growth requirements, enabling proactive resource allocation for scaling organizational workloads.

• Established an infrastructure knowledge repository documenting architecture standards and operational procedures, speeding team onboarding and reducing incident resolution time. Velocis Systems Pvt. Ltd. Technical Lead L-2 – Linux Jul 2018 – Dec 2020 New Delhi Client: National Informatics Centre – Govt. of India

• Managed 45+ RHEL/CentOS servers across Government cloud, data center, and recovery environments, overseeing infrastructure supporting 25+ government digital services.

• Administered enterprise platforms including Tomcat, PostgreSQL, Elasticsearch, Kibana, and Jenkins, enabling data-driven analytics and government portal operations.

• Implemented NetVault backup operations and Dell EMC storage management, achieving 99.5% backup success rates and ensuring rapid recovery capability across all infrastructure tiers. HCL Comnet Ltd. Engineer – Linux May 2016 – Jun 2018 New Delhi

• Managed Linux application, database, and infrastructure servers for the IRCTC (Indian Railway Catering and Tourism) Data Centre supporting mission-critical railway operations.

• Administered EMC Networker backups, Oracle Enterprise Manager, and IBM Tivoli/System Director storage infrastructure; performed routine patching, kernel upgrades, and capacity management. Tech Mahindra Associate Sep 2015 – Apr 2016 New Delhi

• Provided technical support for Amazon seller services using Citrix and Microsoft Outlook. iEnergizer Video Game Support Advisor – Technical Feb 2015 – May 2015 New Delhi

• Supported Microsoft Xbox and Sony PlayStation platforms using Salesforce and Origin. Digicall Teleservices Senior Technical Support Officer Oct 2013 – Oct 2014 New Delhi

• Delivered telecom technical support using CRM and Knowledge Portal tools. CERTIFICATIONS

• Red Hat Certified Engineer (RHCE)

• Red Hat Certified System Administrator (RHCSA)

• AWS Certified Solutions Architect – Associate

• AWS Certified SysOps Administrator – Associate

• Microsoft Certified: Azure Administrator Associate

• ITIL Foundation Certificate in IT Service Management (ITIL 4) EDUCATION

B.Tech in Computer Science & Engineering — Gautam Buddh Technical University (GBTU), Lucknow 2008 – 2012 Intermediate (12th Grade), UP Board 2005 – 2007 • High School (10th Grade), UP Board 2004 – 2005

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