ISRAAR SHAIKH
Pune
Summary
Results-driven IT Professional with a decade of expertise in Linux/Unix administration and cloud technologies. Specializes in automating IT infrastructure to enhance performance, security, and scalability. Proven track record in implementing cost-effective solutions while maintaining rigorous IT security standards. Committed to leveraging innovative technologies to support organizational growth in a rapidly evolving digital environment.
Overview
10
10
years of professional experience
1
1
Certification
Work History
Senior IT Infrastructure Analyst
Rich Products Corporation
Pune, Maharashtra
06.2022 - Current
- Installed and configured Red Hat Enterprise Linux (RHEL) servers (versions 6, 7, 8, & 9) using both manual templates and automated deployment with Ansible.
- Spearheaded the upgrade of SSL certificates across multiple subdomains, improving security and ensuring compliance with industry standards.
- Configured and deployed SSL/TLS certificates on Nginx web servers, enhancing the security of web services.
- Designed and implemented container orchestration solutions using Kubernetes, enabling efficient management, scaling, and automation of containerized applications.
- Architected Azure cloud infrastructure to support mission-critical applications, focusing on high availability and scalability.
- Automated routine tasks using Azure PowerShell and CLI to reduce operational overhead and improve efficiency.
- Managed continuous integration/continuous deployment (CI/CD) pipelines in Azure DevOps, ensuring smooth application delivery.
- Deployed Azure Backup and Site Recovery solutions to ensure robust disaster recovery and business continuity.
- Regularly patched servers using YUM, Redhat Satellite, and BMC Remedy, maintaining security and system stability.
- Automated server provisioning and security hardening using Ansible playbooks, reducing manual intervention and minimizing human error.
- Created and executed Ansible ad-hoc commands to validate server configurations and retrieve system states effectively.
- Installed and configured Docker, managing containerized applications through Docker Hub, registries, and Kubernetes clusters.
- Developed and maintained tools to automate operational processes, enhancing system reliability and reducing downtime.
- Implemented Pacemaker clustering for production systems, ensuring high availability and meeting end-user requirements.
- Conducted performance monitoring of CPU, memory, disk utilization, and network resources using tools like Nagios and ELK.
- Managed file systems, including creating, resizing, and troubleshooting LVM configurations in RHEL environments.
- Utilized Git and GitHub for version control, ensuring effective collaboration and code management across teams.
Systems Administrator IT
Flextronics Technologies
Pune, Maharashtra
12.2020 - 06.2022
- Set up and configured VMware-based systems to ensure high availability and peak performance of critical workloads.
- Provided Tier 2 and Tier 3 support for complex issues, identifying root causes, and implementing effective solutions.
- Automated software package installations using YUM and RPM, creating custom YUM repository files for offline environments.
- Managed file systems across multiple operating systems, ensuring that no storage or inode constraints disrupted operations.
- Troubleshot and configured essential services, including NFS, DHCP, DNS, FTP, SSH, and Apache web servers.
- Enhanced security by implementing key-based authentication, configuring sudoers, and managing user and group privileges.
- Analyzed system logs to identify potential issues, and proactively implemented measures to maintain uptime.
- Optimized system performance through kernel tuning and proactive monitoring using tools like vmstat, iostat, sar, and sysctl.
- Conducted root cause analysis (RCA) for recurring issues, implementing future-proofing measures to reduce incident frequency.
- Implemented dynamic management of physical volumes, volume groups, logical volumes, and swap space using LVM.
Associate Team Lead
Tech Mahindra
(Client: State Bank Of India) Mumbai, Maharashtra
01.2019 - 12.2020
- Configured and deployed new equipment, ensuring smooth integration into the existing IT environment.
- Managed user accounts, including creating, modifying, and securing permissions to meet organizational policies.
- Resolved user issues and system tickets efficiently, maintaining a high level of service satisfaction.
- Utilized Rsync to migrate user data between servers, minimizing downtime and ensuring data integrity.
- Conducted regular system log analysis to identify and resolve errors proactively.
- Configured server file systems and optimized storage utilization using links, archives, and SCP for data transfers.
- Collaborated with vendors such as HP, Dell, and Microsoft to resolve hardware and software issues effectively.
- Monitored networks and server infrastructure to identify and troubleshoot potential issues, ensuring continuous operation.
Technical Associate
Clover Infotech
(Client: Axis Bank) Mumbai, Maharashtra
01.2015 - 12.2018
- Installed and configured operating systems and applications on new hardware, ensuring compatibility and optimal performance.
- Performed user and group administration, managing access rights and ensuring compliance with security policies.
- Configured and maintained services like NTP, FTP, NFS, and Samba to facilitate seamless network operations.
- Designed and managed file systems using LVM, ensuring flexible and efficient storage management.
- Enhanced security by implementing SELinux policies, auditd configurations, and SSH configurations.
- Monitored system performance using tools like Iostat, Vmstat, and Netstat, identifying bottlenecks and resolving issues.
- Managed ITIL-compliant change, incident, and problem management processes, minimizing service disruptions.
- Onboarded new servers to SIEM, Arcos, CMDB, and Syslog for centralized monitoring and compliance.
Education
B.E. (Computer Science & Engg) -
Amravati University
2013
Skills
- Operating Systems: Linux/Unix Systems, IBM AIX, Solaris
- Cloud & Automation: Azure DevOps, Cloud Computing, Ansible, Puppet
- Virtualization & Containerization: VMware, Kubernetes, Docker
- Monitoring & Management: Prometheus, Grafana, Redhat Satellite, Nagios
- Programming & Scripting: Shell Scripting, Git/GitHub
- IT Operations: Vulnerability Management, Patch Management, Infrastructure Planning
- Networking & Storage: LVM, Pacemaker Cluster, Network Infrastructure Monitoring
- Documentation & Reporting: RCA Analysis, Vendor Management, ITIL Framework
- Ticketing Tool: ServiceNow, Jira
Certification
- ITIL v4 Foundation Certified
- AWS Academy Graduate in Cloud Architecting
Timeline
Senior IT Infrastructure Analyst
Rich Products Corporation
06.2022 - Current
Systems Administrator IT
Flextronics Technologies
12.2020 - 06.2022
Associate Team Lead
Tech Mahindra
01.2019 - 12.2020
Technical Associate
Clover Infotech
01.2015 - 12.2018
B.E. (Computer Science & Engg) -
Amravati University
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