Mohammed Towsif Basha Shaik
Hyderabad,TG
Summary
Seasoned IT professional with comprehensive background in Linux system administration. Adept at implementing and maintaining high-performance infrastructure, ensuring system security, and fostering seamless team collaboration. Known for reliability and adaptability in dynamic environments, with competencies in network management and system optimization.
Overview
14
14
years of professional experience
1
1
Certification
Work History
Senior Linux System Administrator
Kyndryl Solutions Pvt Ltd
Hyderabad, India
06.2021 - Current
- Serve as Linux SME supporting 2200+ enterprise Linux servers across production, QA, and DR environments.
- Design, install, configure, and maintain RHEL, CentOS, Ubuntu, and SUSE systems.
- Lead OS patching cycles, kernel upgrades, and end-of-life OS migrations with zero/low downtime.
- Perform advanced troubleshooting and RCA for complex OS, performance, filesystem, and application issues.
- Implement enterprise security hardening standards, SELinux policies, firewall rules, and audit compliance.
- Develop and maintain Bash scripts and Ansible playbooks to automate repetitive operational tasks.
- Tune system performance including CPU, memory, disk I/O, and network throughput.
- Support NFS, Samba, and shared storage solutions in production environments.
- Provide VMware-based virtual infrastructure support and capacity planning.
- Lead major incident calls, mentor junior engineers, and provide 24x7 on-call production support.
- Led system architecture design and implementation for Linux-based environments.
- Developed automated scripts for system monitoring, improving incident response times.
- Administered and maintained Linux server environments to ensure optimal performance and uptime.
- Implemented security protocols and policies, enhancing system integrity across networks.
- Led troubleshooting efforts for complex system issues, guiding teams to effective resolutions.
- Mentored junior administrators in best practices for Linux systems management and support.
- Collaborated with cross-functional teams to deploy enterprise applications on Linux platforms.
- Evaluated and optimized server configurations, streamlining resource allocation and usage.
- Conducted regular system audits to identify vulnerabilities, ensuring compliance with industry standards.
- Standardized server provisioning processes using configuration management tools like Ansible, Puppet or Chef.
- Evaluated and recommended emerging technologies to stay current with industry best practices, maintaining a competitive edge.
- Provided technical guidance to junior administrators, fostering a supportive learning environment for skill development.
- Maintained high availability of web applications by configuring and managing Apache HTTP Server and Nginx reverse proxy servers.
- Reduced downtime by proactively identifying and resolving potential issues through monitoring tools and log analysis.
Linux System Administrator
Accenture Pvt Ltd (Client: Northern Trust)
06.2017 - 05.2021
- Supported enterprise Linux infrastructure for BFSI clients in a 24x7 production environment.
- Installed, configured, and administered RHEL-based Linux systems.
- Managed user access, sudo policies, file permissions, and security controls.
- Executed OS patching, updates, and proactive system health monitoring.
- Resolved incidents related to OS, performance, storage, and connectivity.
- Performed LVM management, filesystem expansion, and capacity planning activities.
- Managed Linux server environments, ensuring optimal performance and uptime through proactive monitoring.
- Implemented system upgrades and patches to enhance security and functionality across multiple servers.
Desktop Support Engineer
HCL Technologies
06.2012 - 05.2017
- Provided enterprise IT support for Windows, Linux, and macOS systems, laying a strong foundation in infrastructure support, troubleshooting, and customer-facing operations.
- Provided technical support for hardware and software issues across various platforms.
- Diagnosed and resolved desktop-related problems to enhance user satisfaction.
- Installed, configured, and maintained operating systems and essential applications.
- Collaborated with IT teams to implement system upgrades and enhancements.
Education
B.Tech - Information Technology
Chaitanya Bharathi Institute of Technology
Proddatur, India03-2012
Skills
- Linux system administration
- Root cause analysis expertise
- Kernel upgrade management
- Automation solutions using Bash and Ansible
- SSH security implementation skills
- VMware and virtual environment management
- Performance Tuning (CPU, Memory, Disk I/O)
- High Availability & Production Support (24x7)
- Experience with multiple Linux distributions including SUSE and Rocky Linux
- System Administration: User/group management, sudo, systemd, cron, rsyslog
- Automation & Scripting: Bash, Shell scripting, Ansible, YAML
- Patching & Configuration: YUM/RPM, BladeLogic, Satellite-style workflows
- Security: SELinux, firewall, iptables, SSH hardening, vulnerability remediation
- Storage & File Systems: LVM, ext4, XFS, NFS, Samba, iSCSI
- Networking: TCP/IP, DNS, NTP, VLANs, bonding, routing, firewall troubleshooting
- Monitoring & ITSM: Nagios, Prometheus, Grafana, SolarWinds, ServiceNow
- Virtualization: VMware ESXi, vCenter, vMotion, Oracle VM
- DevOps & Collaboration Tools: Jenkins, Bitbucket, Jira
- Cloud Exposure: AWS (EC2, Linux workload support)
- Linux server management
- Hardware troubleshooting
- Incident management
- Vendor coordination
- Backup management
- System performance tuning
- Patch management
- Performance analysis
- Email server management
- Server automation
- Operating system upgrades
Certification
RHCSA / RHCE (Knowledge equivalent), ITIL Foundation (Exposure)
Timeline
Senior Linux System Administrator
Kyndryl Solutions Pvt Ltd
06.2021 - Current
Linux System Administrator
Accenture Pvt Ltd (Client: Northern Trust)
06.2017 - 05.2021
Desktop Support Engineer
HCL Technologies
06.2012 - 05.2017
B.Tech - Information Technology
Chaitanya Bharathi Institute of Technology