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Click here or scroll down to respond to this candidateCandidate's Name
Linux System AdministratorPh.No: PHONE NUMBER AVAILABLEEmail: EMAIL AVAILABLESummaryWith over 3 years of experience as a Linux System Administrator, I have developed a strong foundation in all aspects of Linux system administration.Assist with the installation, configuration, and management of the Linux infrastructure.Day-to-day support of the production Infrastructure and Applications.Thorough knowledge of network infrastructure including Firewalls, Routers, Switches, VPN, etc.Actively monitored Systems health by using Nagios products and responding to tickets generated by Nagios.Performed vulnerability scans, and monitored critical alerts to secure the system and optimize performance.Configured and managed TCP/IP networking on RHEL servers.Installed, upgraded, and managed packages through RPM and YUM package management.Troubleshot services and applications through root cause analysis (DNS, SSH, FTP, HTTP, etc.).Worked with Git version control platform using Gitlab to manage code and create repositories, packages, and scripts.Responsible for User Management by creating, and modifying user accounts and groups, assigning permissions, and configuring access to various systems.Configured and managed web servers (Apache, Nginx) to host multiple websites and applications in AWS.Implemented backup and disaster recovery strategies for AWS resources using services like AWS Backup and S3 cross-region replication.Implemented security best practices in AWS, including IAM roles and policies, VPC security groups, and encryption at rest and in transit.Collaborated with cross-functional teams to migrate on-premises infrastructure to AWS cloud, ensuring minimal downtime and maximum performance.Installed, configured, and maintained Linux servers (Ubuntu, CentOS) in both on-premises and AWS cloud environments.Managed and optimized AWS resources, including EC2 instances, S3 buckets, IAM policies, and security groups.Set up and managed VPCs, subnets, routing tables, and network ACLs in AWS.Have good Understanding of DevOps concepts, version control with Git and CI/CD pipelines with Jenkins.Managed disk and filesystem volumes and LVM.Responsible for patching, and decommissioning the servers, Disaster & Recovery Management, and Change Management.Involved in daily administrative activities such as creating, modifying, and removing user accounts on virtual and physical Linux hosts.Configured NFS server and client for file-sharing purposes and troubleshooting NFS-related issues.Configured SSH key pair for keyless authentication to access client/server.Automate various jobs tasks to execute thru CRONTABS on demand.Create shell scripts to automate daily repetitive tasks as required.Managing servers remotely in a distributed environment.Implemented firewall rules for new servers to enable communication with applications.Provided regular support in various environments like Dev, Stage, Test, and Production.Regularly documented installation and configuration procedures.EducationBachelor of Engineering in Dayananda Sagar college of Engineering in 2018Master of Information systems in University of North Texas in 2023Technical SkillsOperating Systems: Linux (Ubuntu, CentOS, Red Hat), Windows ServerScripting Languages: Bash, PythonCloud Platforms: Amazon Web Services (AWS),AzureVirtualization: VMware, KVM, VirtualBoxConfiguration Management: AnsibleWeb Servers: Apache, NginxDatabases: MySQL, PostgreSQLNetworking: TCP/IP, DNS, DHCP, VPNMonitoring and Logging: Nagios, ELK Stack, ServiceNow, JiraStorage Technologies: RAID, LVM, NFSSecurity: Firewall (iptables), SSH, SELinuxWork ExperienceCapgemini, Bangalore,IndiaLinux System AdministratorMarch 2020 to July 2021Responsibilities:Performed vulnerability scans, and monitored critical alerts to secure the system and optimize performance.Installed, configured, and maintained Linux servers (Ubuntu, CentOS) in both on-premises and AWS cloud environments.Collaborated with cross-functional teams to migrate on-premises infrastructure to AWS cloud, ensuring minimal downtime and maximum performance.Worked with Git version control platform using Gitlab to manage code and create repositories, packages, and scripts.Troubleshot services and applications through root cause analysis (DNS, SSH, FTP, HTTP, etc.).Implemented backup and disaster recovery strategies for AWS resources using services like AWS Backup and S3 cross-region replication.Implemented security best practices in AWS, including IAM roles and policies, VPC security groups, and encryption at rest and in transit.Have basic Understanding of DevOps concepts, version control with Git and CI/CD pipelines with Jenkins.Set up and managed VPCs, subnets, routing tables, and network ACLs in AWS.Configured and managed TCP/IP networking on RHEL servers.Managed disk and filesystem volumes and LVM.Managed and optimized AWS resources, including EC2 instances, S3 buckets, IAM policies, and security groups.Installed, upgraded, and managed packages through RPM and YUM package management.Responsible for User Management by creating, and modifying user accounts and groups, assigning permissions, and configuring access to various systems.Actively monitored Systems health by using Nagios products and responding to tickets generated by Nagios.Configured and managed web servers (Apache, Nginx) to host multiple websites and applications in AWS.Responsible for patching, and decommissioning the servers, Disaster & Recovery Management, and Change Management.Involved in daily administrative activities such as creating, modifying, and removing user accounts on virtual and physical Linux hosts.Sysnov Technologies, Bangalore, IndiaLinux Production SupportApril 2018 to January 2020Responsibilities:Monitored and maintained the stability and performance of critical production systems, ensuring high availability and minimal downtime.Investigated and resolved incidents and problems, troubleshooting complex issues to identify root causes and implement effective solutions.Utilized monitoring tools such as Nagios, Zabbix, and Prometheus to proactively identify potential problems and take corrective actions.Responded to and managed production incidents, following established incident management processes and effectively communicating updates to stakeholders.Performed system upgrades, patches, and configuration changes while minimizing disruption to production environments.Developed and maintained scripts (Bash, Python) for the automation of routine tasks and proactive monitoring of system health.Participated in on-call rotations and after-hours support to address urgent production issues and minimize business impact.Collaborated with vendors and third-party providers for timely resolution of issues and coordination of system updates and maintenance.Maintained documentation, including standard operating procedures and knowledge base articles, to enable efficient incident resolution and knowledge sharing.Assisted in the deployment and configuration of production systems, collaborating with stakeholders to ensure successful implementations.Collaborated with cross-functional teams to perform performance tuning and optimization of production systems for enhanced efficiency and scalability.Assisted in the planning and execution of disaster recovery tests, ensuring readiness and reliability of production systems in case of emergencies.Assisted in user training and provided technical guidance to end-users for effective utilization of production systems. |
