M Sreedhar
Bangalore
Summary
Experienced and enthusiastic Linux Administrator and DevOps Professional with 5+ years experience. Proficient in Linux server administration, automation, and deployment strategies. Skilled in utilizing DevOps tools to streamline workflows, enhance scalability, and optimize performance. Adept at collaborating with cross-functional teams to drive continuous improvement and deliver high-quality solutions.
Overview
6
6
years of professional experience
Work History
DevOps Engineer(L1)
JustDial Limited
Bangalore
08.2022 - Current
- Proficiently handling daily Linux administration tasks, including user account management, file system sharing facilitation, permission control, system patching orchestration, and package management utilizing apt, rpm, and yum tools.
- Expertly conducting data synchronization operations employing Rayne, LFTP, and SCP to ensure data security by backing up data from production servers to staging servers, migrating data between servers, and restoring data from backups.
- Spearheading database administration responsibilities, such as query execution, database table restoration using the MySQL dump utility, provisioning MySQL privileges for DB Users & Developers, and resolving MySQL replication issues
- Proficiently managing MongoDB privileges, including user management (creation, updates, deletions), executing data dump and restore operations on MongoDB servers, and managing primary & secondary servers within clusters
- Skillfully optimizing shell scripts to automate various tasks, including backup optimization, log gathering, CPU & disk utilization monitoring, and operational streamlining
- Competently handling installation, configuration, packaging, and deployment of applications within Docker containers and Docker Compose Environments; utilizing Addible for system configuration orchestration and provisioning multiple servers based on project requirements using Addible playbooks
- Successfully establishing, upgrading, maintaining, migrating, monitoring, and enhancing system performance within cloud environments
- Implementing a robust infrastructure utilizing Nagios, Grafana, and Prometheus for real-time server monitoring and proactive incident alerts, resulting in a 40% reduction in downtime and ensuring uninterrupted service availability
- Diligently monitoring system resource utilization, including CPU, memory, disk, and swap space, to mitigate performance bottlenecks
- Assisting in the management, analysis, and visualization of logs using ELK (Elasticsearch, Logstash, and Kibana) and Grafana tools
- Proficiently managing the migration and troubleshooting of servers with F5 load balancer configurations
- Strategically formulating and managing critical data on Amazon EC2 instances.
Sr Dev/Operations Engineer
ViMo Software Devolpments Pvt. Ltd.,
Bangalore
07.2019 - 05.2022
- Proficiently deploy and maintain diverse server environments encompassing CentOS, Redhat, Ubuntu, and Windows
- Managed Docker orchestration and enabled component deployment.
- Established expertise in configuration management using Ansible.
- Installed and configured HAProxy Load Balancer for high availability and efficient traffic distribution.
- Installed and monitored infrastructure through Nagios and Zabbix.
- Recognized and configured TINC and OpenVPN VPNs, alongside IPSEC configurations.
- Utilized MySQL master-master and master-slave replication setups.
- Led penetration testing using Kali Linux on new servers, contributing to network security enhancements.
- Configured and optimized MariaDB, CouchDB, MongoDB, and Etcd clusters.
- Installed, configured, and maintained FreeSwitch, ensuring seamless operation.
- Achieved upgrades and maintenance operations, upholding system integrity.
- Worked on OpenVPN installation and configuration for secure communication.
- Gained experience with iptables for network security.
Systems Engineer
Sun Techonology Integrators Pvt. Ltd.
Bangalore
11.2018 - 06.2019
- Worked with the different components and architecture of Splunk.
- Managed the distributed Splunk architecture and components, as well as the Splunk 5.x and 6.x products, including forwarders, indexers, and search heads.
- Set-up and utilized Linux and Unix Splunk applications (Splunk nix).
- Applied the Span, Bins, Tag, and Event Types time chart characteristics. Produced and set up reports for management and dashboards.
Education
Bachelor of Technology -
SKTRM College of Engineering
06-2014
Skills
- Linux Administration
- Troubleshooting
- CI/CD Pipelines
- Cloud Computing
- Infra Monitoring
- Data Synchronization
- Monitoring and Alerting
- Performance Monitoring
- Logging and Visualization
- Load Balancing
- Cloud Storage Management
- Frontend and Backend Server Migration
- Database Server Maintenance
Languages
- ENGLISH
- HINDI
Accomplishments
- Achieved 'Best Overall Employee' recognition for Q2 2023, in acknowledgment of exceptional performance and valuable contributions to the team.
Techinical Skills
- Monitoring: Nagios, Dynatrace, Splunk, Zabbix, ELK
- Operating Systems: Linux, Windows, Centos, Ubuntu
- WebServer: Nginx, Apache
- Databases: MySQL, Mongo DB,Redis
- Scripting: Shell Script
- Cloud and Virtualization: AWS, Docker
- CI/CD: Jenkins, Ansible, Git
- Other tools: HAProxy, F5
Timeline
DevOps Engineer(L1)
JustDial Limited
08.2022 - Current
Sr Dev/Operations Engineer
ViMo Software Devolpments Pvt. Ltd.,
07.2019 - 05.2022
Systems Engineer
Sun Techonology Integrators Pvt. Ltd.
11.2018 - 06.2019
Bachelor of Technology -
SKTRM College of Engineering
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