Sr. Linux / San Administrator Resume
CaliforniA
SUMMARY
- Overall 14 years of experience in System Administration and DevOps under heterogeneous environment consisting of Red Hat LINUX, Cent OS, Ubuntu & Windows and testing Environments.
- Experience in working with Amazon (AWS) Console services like EC2, VPC, IAM, S3, Auto Scaling & Load Balancer.
- Experience in managing cloud software deployments with a focus on Continuous Integration and Continuous Deployment using GitHub, Maven, Jenkins & Artifactory.
- Extensive experience in LINUX/Unix System Administration, Server Builds, Installations, Upgrades, Patches, Migration, Troubleshooting.
- Strong background in Linux/Unix Administration, Build and Release Management and Cloud Implementation all within that suites the needs of an environment under DevOps Culture.
- Experience of virtualization and container technology like DOCKER. Good Knowledge of Docker and managing DOCKER - based deployment.
- Experience of clustering and orchestration the Docker containers using Kubernetes.
- Experience using Puppet Master & Puppet Slave for configuration Management & Automated deployment.
- Experience in writing shell scripts to automate the administrative tasks and management using cron and daemons.
- Experience in Setting up Chef Workstation, boot strapping various enterprise nodes, setting up keys
- Experience with Chef Cookbooks, Chef Recipes, Chef attributes, Chef Templates.
- Experienced with the installation, configuration and volume/File system management using Veritas Volume Manager, Logical Volume Manager (LVM).
- Adept in Installation, Configuration & troubleshooting in Red Hat Satellite Server including upgrading & patching Linux Servers.
- Experience in VMware Installation and monitoring Virtual environments with ESX servers and Virtual Center.
- Proficient on IBM & HP Blade Servers including Installation of RHEL and managed console access of IBM Blade servers using IBM Chassis interface & HP Blade servers using ILO Access.
- Installation, configuration of Patches and Packages on Redhat Linux, AIX & SUN Solaris Servers.
- Hands on experience with installation & troubleshooting of Powerpath for Host base connectivity with Storage
- Expertise in LUN Allocation and LUN Masking & managed approximately 150 TB data on SAN and NAS environments.
- Configured zoning on Brocade & Cisco fabrics for Host connectivity & storage allocation.
- Expertise in managing backups on HP VLS 9000 & HP MSL 4048 Tape Library with HP Backup Management tool called HP Data Protector.
- Configured and used Jumpstart, Kickstart & NIM to install OS.
- Involved in installation, configuration and administration of Apache Webserver, WebLogic and IBM Websphere and Samba Server in UNIX, Linux and Windows environment.
- Wide knowledge and experience in Firmware upgrade on servers and add on adapters like HBA and SCSI controllers.
- Excellent in configuring and Administering NIS, NFS, DNS, SMTP, DHCP, LDAP, Samba in heterogeneous environment.
- Technical professional with management skills, excellent business understanding and communication skills.
TECHNICAL SKILLS
Operating System: UNIX, Linux (Red Hat, Ubuntu, Fedora, Centos) & Windows
Hardware: HP Proliant Blade Servers, IBM Regatta servers (P690), P5 servers model 55A, 52A, 51A, 520, Sun Enterprise 4500/6500/450/420 R/250 Servers, Ultra Enterprise 2/1 Servers, SPARC server 1000, SPARC server 20 Enterprise Servers, SPARC server 1000/20, SPARC station 10, Sun Sparc Ultra 1,5,10, HP-9000 K,L,N series.
Storage: EMC Clarrion CX4-480, Symmetrix DMX 4, HP EVA 4000, HP EVA 6000, HP Backup Systems (HP VLS 9000 & HP MSL 4048), Brocade SAN Fabrics.
Cluster: RedHat Cluster, Veritas Cluster Server, MC Service Guard, HACMP
Protocols: TCP/IP, RIP, OSPF, EIGRP, IGRP, SNMP.
LAN/WAN: Ethernet, VLANs & Lease Line.
Network Services: DHCP, DNS, ADS, Proxy Server.
DevOps Tools: Github, Gitbash, Chef, Puppet, Ansible, Jenkins, Docker, Maven, Artifactory.
Web Service Tools: JBOSS, Apache Tomcat, Oracle WebLogic, IBM WebSphere.
Databases: SQL Server, Oracle
Monitoring Tools: Nagios, Microsoft Scom.
Cloud Platform: AWS (Amazon Web Services).
PROFESSIONAL EXPERIENCE
Confidential
DevOps Engineer
Responsibilities:
- Experience installing, configuring, tuning, and supporting RHEL Linux servers.
- Responsible for Creating and managing Virtual Machines and Templates on VMware vBlock running (ESXi 5.X).
- Support GUI and autofs mounts, installing packages using yum and AD authentication on Linux.
- Responsible for creating & implementing Change Requests on Validation & Production environment.
- Currently working on build activities which involves building RHEL 6/7.
- Responsible for Implementing automated deployments on Linux Instances on AWS Console.
- Experienced in recovering OS from VM snapshots and working on Maintenance mode through VM console.
- Installing, troubleshooting, patching and testing of RH Linux.
- Installing, configuration and administration of WebLogic application server 12c.
- Working on AWS Console and using various AWS Services including EC2, S3, EBS, VPC, ELB, AMI.
- Scheduling various regular, periodic, future and queues tasks by using crontab.
- Implemented Continuous Integration & Continuous Deployment (CI/CD) Pipeline using GIT, Maven & Jenkins.
- Installing and configuration of webserver application server and database servers on Linux servers
- Resolve systems error disk space issue and huge space issue.
- Creating maintaining user accounts, profiles and securities rights.
- Responsibilities include supported Linux servers in Production, UAT, QA and Dev Environment.
- Configure JMS servers and deployment EAR files on WebLogic application servers.
- Be able to adapt and work in a changing environment
- Very good in communication and keeping the stakeholders well informed.
Confidential, Fort Worth - TX
DevOps Engineer
Responsibilities:
- Installation, administration & troubleshooting of RHEL (Red Hat Enterprise Linux) 5.X, 6.X, 7.X.
- Working on AWS platform and its dimensions of scalability including EC2, S3, EBS, VPC, ELB, AMI, SNS, RDS, IAM, Route53, Auto Scaling, Cloud watch, Cloud Trail, Cloud Formation, and Security Groups.
- Worked with backend multi - TB storage systems such as EMC & Netapps using Volume Managers such as LVM and VERITAS Volume Manager.
- Proficient working experience with vendors like HP, Oracle, Dell, VERITAS and Red Hat for troubleshooting issues.
- Creating and managing Virtual Machines and Templates on VMware vBlock running (ESXi 5.X).
- Support GUI and autofs mounts, installing packages using yum and AD authentication on Linux.
- Using Puppet Master & slaves for Configuration management & automated deployments.
- Using Puppet Manifests & Modules to patch, monitor and provision RHEL Servers.
- Involved extensively in virtualization and managing them using VMware and VCenter VSphere.
- Also Implementing Continuous Integration and Continuous Deployment (CI/CD) framework using GIT, Maven, Jenkins and Artifactory in Linux environment.
- Design AWS Cloud Formation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates, security product templates.
- Design roles and groups for users and resources using AWS Identity Access Management (IAM).
- Experienced in creation and maintenance of user accounts and active directory.
- Worked on Analyze system performance, client to server traffic and server to server traffic.
- Experience with various ticketing tools and currently using BMC Remedy for everyday support.
- Supported 24/7 high availability production servers through on-call rotation.
Confidential, Houston-TX
Sr. Linux Administrator
Responsibilities:
- Responsible for Installation and configuration of RedHat Enterprise Linux, Sun Solaris, HP UNIX and AIX Servers.
- Storage setups, RAID, Logical Volume Manager, system backup design and disaster recovery Systems performance monitoring.
- Involved in upgrade of packages and patches for HP - UX, Linux servers.
- Experienced with the installation, configuration volume/File system management using Veritas Volume Manager, Logical Volume Manager (LVM).
- Design, develop, and support Linux system images using Red Hat kickstart Server & Automated client Installations.
- Responsible for upgrading and patching Linux Servers using Redhat Satellite Server.
- Managed Redhat Cluster Suite and Global Filesystem, Redhat Network Satellite Server.
- Configuring and Administering NIS, NFS, DNS, DHCP, Samba in heterogeneous environment.
- Working with VMware. Installed and monitored Virtual environments with VMWare ESX Server 4.1.
- Responsible for Configuration and Administration of Veritas Cluster Server.
- Working on Symantec Enterprise Security Manager tool to create & manage various security policies
- Monitoring production and development systems; CPU utilization, memory profiles, disk utilization, network connectivity, system log files, etc.
- Worked on Keon Boks tool to keonize unix server to manage & track the large number of user ids.
Confidential, Scottsdale, AZ
Sr. Linux/Unix Administrator
Responsibilities:
- Responsible for installing, configuring and monitoring VERITAS Cluster Server (VCS), Service Guard and Redhat Cluster Server in High Availability Environment.
- Performing periodic HBA (LPFC,QLC) firmware and driver upgrades for proper and smooth operation of Tivoli Storage Manager(TSM).
- Extensive experience in configuring Global File System(GFS) and Zeta byte File System(ZFS).
- Good experience in creating physical volume, logical volume, volume groups using LVM s in Linux and HP-UX (ITANIUM and PA-RISC).
- Worked on installing and configuring VMware/ESX Servers for virtualizations.
- Creating metadevices, mirror & maintained root disks using Solaris Volume Manager(SVM).
- Extensive use of Logical Volume Manager (LVM), creating Volume Groups, Logical volumes and disk mirroring in HP-UX, AIX and Linux.
- Supported Oracle RAC (Real Application Cluster ) Servers running on Linux with GFS and Solaris with SFRAC.
- Package management using RPM, YUM and UP2DATE in Red Hat Linux.
Confidential, Conway-AR
Sr. Linux / Unix Administrator
Responsibilities:
- Worked as a part of migration team & for P2P migrations for 500+ Linux Servers.
- Worked on Initial configuration for Oracle RAC servers.
- Veritas Cluster Server configuration & installation
- Automated installation using Kickstart on RedHat Linux.
- Worked on HP Blade servers & HP DL Series Server for Linux installation & Support.
- Apache Web Server & LAMP Server Installation, configuration & Support.
- Performance analysis using Glance, sar, netstat & top
- Inter - Networking with DNS, NIS, NFS, SSH
- Kernel Parameter tuning, patch installation & removal.
Confidential, California
Sr. Linux / SAN Administrator
Responsibilities:
- Responsible for Installation, Configuration and administration of Solaris, AIX, HP - UX, LINUX Operating System.
- Managed Clarrion CX4-480 Storage with Navisphere Manager.
- Did zoning on Brocade SAN Fabrics using Brocade Management console.
- Extensive experience with working on Logical Volume Manager & creating Logical volumes & partitions in Linux.
- Worked on HP VLS 9000 Virtual Library & HP MSL 4048 Tape Library for Backup & Restores.
- Worked extensively on EMC Symmetric, Clarion and Brocade Fiber Switches for storage allocation.
- Installed and monitored VMware Virtual environments with ESX 3.x servers and Virtual Center 2.X.
Confidential
Unix / Linux Administrator
Responsibilities:
- Installation, Configuration & Upgrade of AIX & Redhat Linux operating system.
- Installation & configuration, trouble shooting of Web Sphere, Apache.
- Experienced with volumes creation, resizing and troubleshoot to the client s development/production environment using Logical Volume Manager.
- Extensive experience with operating systems, network protocols, systems programming and configurations, and/or hubs, switches, and routers. (TCP/IP, TCP Dump, Trace Route), host mgmt.
Confidential
System Administrator
Responsibilities:
- Installation, Configuration & Upgrade of Redhat Linux, AIX & Windows.
- Installation Packages and patches & User administration, management & archiving.
- Configuring NFS, NIS, NIS+ and DNS on Linux servers.
- Administration in Logical Volume Manager.
- Maintaining the CPU & Memory utilization of SUN Servers reports on the WEB.
Confidential
System/Network Administrator
Responsibilities:
- Administration, Installation and maintenance of Redhat Linux & Windows Servers
- Performance Monitoring & Tuning of Redhat Linux.
- Installation of Printers, Hard disk and Tape Drives etc.
- Security, users, groups administration and daily backup and restore operations in Windows & Linux Environment.
- Logical Volume Management (LVM) administration of Redhat Linux.