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Lalitha Mob: PHONE NUMBER AVAILABLE Mail: EMAIL AVAILABLE System Engineer (Linux/win/AWS/VMWare)Summary Accomplished systems administrator with 6+ years of experience managing serverinfrastructure operations across multiple platforms such as Unix, Linux, AWS, Win andVMware. Effectively plan, install, configure, and optimize the IT infrastructure to consistently achievehigh availability and performance. Deploying and managing Servers in AWS, VMware and Physical. Creating, managing, and troubleshooting user issues. Working on various hardware issues by coordinating with various vendors. Advanced experience with Red Hat Enterprise Linux, and CentOS. Ability to tune Linux systems based on performance, memory usage, file system and device I/O. Experience in automating installations, configuration management, and other administration tasks for hundreds of machines. Efficient in installing, configuring, and implementing the RAID levels using various tools likeLVM. Installation, configuration, and maintenance of Apache, squid and nginx servers. Expertise in areas such as Installation, Configuration, Upgrade, Patching and Performance Tuning. Managing IT Infrastructure in AWS with the following services like AWS EC2, IAM, SNS, CloudWatch, cloud trail, S3, CloudFormation etc. Managing VMWare infrastructure with configuring, deploying, managing, and troubleshoo-ting. Managing IT Automation using ansible scripts. Ability to gather metrics and monitor systems at all levels including low level system calls to user. space applications to ensure that Service Level Agreements (SLA) are being met. Excellent interpersonal as well as communication skills and enjoys a challenging and high-pressure team environment. Working on boot issues and troubleshooting. Implementing security using Iptables, ACL s, sticky bit, set UID etc. Working knowledge on windows. Education and Certifications Bachelor s degree of computer science.Technical Skills Operating Systems: Win, RHEL 6.0/7.0/8.0 Hardware: IBM Blade Servers and HP Servers Scripting Languages: Shell Script (Bash, Borne and Korn Shell) System Monitoring: Nagios SAN / NAS: EMC, NetApp, IBM storages Networking: TCP/IP, LAN/WAN, VPN IT Frameworks: ITIL, Web Servers: Apache HTTP Server. Projects Handled: Server build, Linux Migration, patching. Server Build: Physical server, Virtual server and AWS Servers. Experience on AWS Services (EC2, IAM, SNS, CloudWatch, CloudTrail, S3, Cloud formation) Automation tools: Ansible Employment HistoryVerizon Oct 2021- Till date
System Administrator Have experience as a System Administrator in Verizon, supporting for more than 1000+(mid-range to high end servers) servers in RHEL 6.0/07/8.0, VMWare, WIN and AWS environment. Installing, managing, and upgrading both physical and virtual servers with RHEL 5/6/7/8 service modification, crontab entries, ACL modifications and NFS, file system management. Controlling of Linux Based Hosting cloud Server. Cloning and editing of cloud servers Extensive usage of LVM on the Linux servers and disk management Configuring clients for remote applications using SSH, SCP, Telnet, and FTP Maintaining the cross platform of file and resources sharing using SAMBA Configuring the private repository for accessing the packages with YUM. Working on Linux Server build from screech for both VM Servers and Physical Servers Plan, perform, manage, and coordinate UNIX hardware and software upgrades, patches, andnew installations Includes Operating system installs, patch upgrades, Patches and vendor recommended upgrades. Experience on handling file system, disk management and managing the problems associated with file system. Monitoring and managing system performance of CPU Utilization, Virtual memory, system events, swapping. Managing security with IP Tables & ACL Handling various hardware and software related issues by coordinating with respective vendors. Coordinating for execution of outages, Scheduled Maintenances, Root cause analysis. Working on Amazon Web Services (EC2, ELB, VPC, S3, IAM, RDS, CloudWatch, SNS). Creating, managing and applying various policies for the users and groups Monitoring and managing various metrices and act based on the alert. Creating and managing various firewalls using ACL s and Security groups Setup/Managing VPC, Subnets; make the connection between different zones; BlockingIP /subnet via ACL. Creating/Managing AMI/Snapshots/Volumes, Upgrade/downgrade AWS resources Migrating servers from on-premises to AWS using VMWare console Deploying and managing static website in AWS S3 bucket. Managing the physical hardware and virtual environment using virtual Center Server v6.5 Creating and configuring new Virtual server using vSphere Cloning an existing server for production from Dev/QA Adding resources like memory, CPU, disk space etc. to the servers based on customer requirement. Monitoring the server performance. Using Nagios and SolarWinds Working knowledge on shell scripting Working on automation using ansible Working on various hardware issues by coordinating with various vendor Project#1 Patching Project#2 - Server Build (Linux, AWS & Virtual) Project#3 Server Decommission (Virtual/Physical) Project#4 Server Upgradation from RHEL 7 to RHEL 8Best Buy Jun 2019-Sep 2021Linux Administrator Installing, managing, and upgrading both physical and virtual servers with RHEL 5/6/7/8 Working knowledge on high end servers like blade and blade Servers. Managing security with IP Tables & ACL Able to handle most of basic to advanced calls in User, group management, system start-up, service modification, crontab entries, ACL modifications and NFS, file system management Controlling of Linux Based Hosting cloud Server. Cloning and editing of cloud servers Extensive usage of LVM on the Linux servers and disk management Configuring clients for remote applications using SSH, SCP, Telnet, and FTP Maintaining the cross platform of file and resources sharing using SAMBA Configuring the private repository for accessing the packages with YUM. Working knowledge on Linux Server build from screech for both VM Servers and Physical Plan, perform, manage, and coordinate UNIX hardware and software upgrades, patches, and new installations. Includes Operating system installs, patch upgrades, Patches and vendor recommended upgrades. Experience on handling file system, disk management and managing the problems. associated with file system. Monitoring and managing system performance of CPU Utilization, Virtual memory, system events, swapping, Disk. Working with various consoles and managing and up grading firmware with latest patch level Have a good understanding of TCP/IP and all Unix networking protocols and services. Coordinating for execution of outages, Scheduled Maintenances, Root cause analysis. Managing the physical hardware and virtual environment using virtual Center Server v6.5 Creating and configuring new Virtual server using vSphere Cloning an existing server for production from Dev/QA Monitoring the server performance. Using Nagios Projects Handling Project#1 - Server Build (Linux, AWS & Virtual) Project#2 - Migration from RHEL6 to RHEL7Thomson Aug 2017-May 2019System Administration Managed around 700+ Unix servers running Windows and RHEL on different H/w. like HP DL 380 G series servers and Dell Power Edge servers Installation and configuration of Linux servers through kickstart and stand alone. Monitoring of resource utilization of servers and storage boxes. Performed a trend analysis of CPU/Memory/Disk utilization for critical servers. Preparation of health status reports at agreed intervals to aid capacity planning. Identification of bottlenecks, performance issues in critical servers. Developed various shell scripts to automate aspects of systems maintenance. Served as an escalation point to resolve problems with the Linux based email system. Administered multiple Linux servers running in high availability environment. Environment: RHEL 4.0 and 5.0 Sun Enterprise Series Servers, Dell Power Edge Server |
