Shamitha Lokesh
Emphasystem LLC - Salesgenie
San Diego,CA
1
Language
1
Certification
6
years of professional experience
Certified Linux System Administrator with nearly 5 years of experience in managing Linux-based systems. Skilled in system administration and technical support, with a focus on continuous learning and professional development, including RHCSA and Google Cloud certifications.
Work History
Linux System Administrator
1 Year 2 Months- Install, configure, and maintain Linux servers RHEL 9 versions (such as Ubuntu, Red Hat Enterprise Linux, and CentOS).
- Monitor system performance, server availability, and resource usage to ensure optimal operation.
- Assisted in server patching, updates, and security hardening to enhance system security.
- Managed system updates and patch management for Linux servers to ensure security compliance.
- Troubleshoot Linux system issues, including disk space, memory usage, network connectivity, and service failures.
- Supported backup and recovery operations to safeguard data and ensure system reliability.
- Provided technical support to developers and internal teams for Linux-related issues, facilitating efficient issue resolution.
- Maintain documentation for system configurations, processes, and troubleshooting steps.
- Supported software release workflows by managing build environments, coordinating deployments, and ensuring stable Linux platforms for development teams.
- Developed and maintained Bash shell scripts to automate routine Linux administration tasks, reducing manual effort and improving operational efficiency.
- Created Python and Bash scripts for server health checks, log analysis, patch validation, and system monitoring.
- Automated Linux operational workflows using Python, Bash, Ansible, and Puppet.
- Developed reusable automation scripts for user account management, file system maintenance, service monitoring, and scheduled tasks.
Professional 1 System Administrator
3 Years 8 Months- Managed system administration for Deutsche Bank AG project over a period of 4 years and 9 months.
- Executed installation of Red Hat Enterprise Linux 7, 8, and 9 to enhance system performance.
- Oversaw user management, including creation and customization of user accounts and groups.
- Improved system reliability through effective management of LVM and volume processes. Resolved file system challenges, leading to increased operational stability.
- Managed user accounts by creating and customizing user and group settings. – User and Group creation and Customization.
- Configuring LVM and managing the volumes. Resolving File system-related issues.
- Scanning the LUNs and increasing the file system as per the requirement, like RHEL storage uplift activities.
- Installation and management of Packages using RPM and YUM.
- Executed routine and security patching and hardening on RHEL servers using local YUM repositories, enhancing system security and compliance.
- Maintained and enhanced Puppet and Ansible automation to ensure consistent Linux server configuration across enterprise environments.
- Implemented CIS Level 1 and Level 2 hardening across RHEL 8/9 systems using Puppet and Ansible, ensuring continuous compliance and reducing security exposure.
- Perform vulnerability assessment and remediation by analyzing CVEs, applying patches, and validating secure configurations across Linux environments.
- Troubleshooting and Fixing Hardware issues with vendor coordination.
- Monitoring disk status, system processes, and user process activity, memory activity memory and Swap space management using TOP.
- Supported emergency remediation efforts for critical CVEs, ensuring rapid response and minimal impact to production systems.
- Working on various change requests and incidents as per ITIL Standards.
- Ensured compliance by actively monitoring security standards and validating system configurations. by monitoring vulnerability dashboards, validating fixes, and documenting remediation activities.
- Performed full lifecycle RHEL subscription maintenance, including license replacement, pool reassignment, and validation of consumed entitlements to maintain patching and security compliance.
- Used ServiceNow for managing Incidents (INC), Changes (CHG), and RITMs, ensuring accurate updates and timely closure within SLA.
- Used ServiceNow for managing Incidents (INC), Changes (CHG), and RITMs, ensuring accurate updates and timely closure within SLA.
Education
Bachelor - Engineering in Computer Science
Skills
UNIX administration
Incident management Demonstrated experience leading critical response efforts
driving resolution through effective coordination with cross-functional teams under stringent SLAs.
Linux command-line proficiency
Escalation management Capable of handling escalations with poise
maintaining transparency and proactive communication with all levels of stakeholders.
End-user support: Acted as the first point of contact for technical issues
managing tickets
performing root cause analysis (RCA)
and coordinating with vendors when needed. Provided technical support to end users by diagnosing and resolving hardware
software
and system issues across Linux environments
ensuring minimal downtime and clear communication throughout the troubleshooting process.
Performance tracking
User assistance
System updates
Storage management
End User Tech Support: Acted as the first point of contact for technical issues
managing tickets
performing root cause analysis (RCA)
and coordinating with vendors when needed. Provided technical support to end users by diagnosing and resolving hardware
software
and system issues across Linux environments
ensuring minimal downtime and clear communication throughout the troubleshooting process.
Technical support
IT documentation
Solution development
Network firewall management
Firewall management
Escalation & Stakeholder Management Capable of handling escalations with poise
maintaining transparency and proactive communication with all levels of stakeholders.
Security management
Accomplishments
- Achieved changes, incident management by completing Itasks with accuracy and efficiency.
- Documented and resolved server access issues all over which led to the smooth running of server operations.
Certification
- Red Hat Certified System Administrator (RHCSA) ID: 210-028-130
- Google Cloud Certified Associate Cloud Engineer ID: b0b9483ee25246afab9a317323983a63
- AWS Certified Cloud Practitioner
Languages
English
Full Professional
Timeline
Linux System Administrator
Emphasystem LLC - Salesgenie
06.2025 - CurrentRead More
Professional 1 System Administrator
DXC Technology-Deutsche Bank Project
08.2020 - 04.2024Read More
Maharaja Institute of Technology Mysore
Bachelor from Engineering in Computer Science
Read More