Infra Ops Specialist (sr Linux Administrator) Resume
SUMMARY:
- Overall, 11 + years of experience in LINUX/UNIX System Administration, Design, Deployment, Datacenter Infrastructure Management, Production Support , and Project work. Managing physical and virtual servers in the areas of build, release, administration, and automation in a transforming DevOps Culture using various tools like Ansible, Saltstack, Kubernetes,Docker, Git,Jenkins,SuSE Manager, Spacewalk.
- Cloud migration on Amazon Web services .
- Docker installation and configuration.
- Kubernetes setup on Google Cloud and Datacenter .
- Server migration/Manging to Cloud Infrastructure.
- Mange Critical Application servers.
- Experience in Banking & Financial Domain (BFS), COMTECH Domain, HealthCare, and various Domains.
- L3 UNIX (LINUX/SOLARIS) Administrator.
- Exposure in Servers deployment, Datacenter Migration/Administration and process transition.
- Proficiency in core products with core competencies in Service Delivery against predefined SLAs as agreed with Clients and as per the ITIL process.
- Managing Datacenters (500+ Sun Servers, 2000+ Linux IBM/HP/Dell.Cisco UCS servers).
- Installation, Configuration & Management of Red hat/SUSE/Debian/CentOS Linux.
- Installation, configuration & Management of Solaris 8/9/10/11 OS.
- Solaris hypervisor LDOM configuration.
- Expertise in Veritas Cluster, Veritas Volume manage & LVM.
- Shell Scripting.
- Hardware and software Raid configuration and troubleshooting.
- Administration of RHEL, SUSE which includes installation, testing, performance tuning, upgrading patches, troubleshooting both physical and virtual server issues, and VMware virtualization systems.
- Server hardening, rack mounting, Hardware replacement & Troubleshooting, cabling, and configuration.
- Check routine server hosted services operations.
- Build servers using Kick start, Ansible, and vSphere client.
- Satellite 5 (SUSE Manager, Spacewalk) configuration and management.
- Satellite 6 Deployment and migration.
- Ansible Configuration, Playbook, Management, and automation.
- Ansible Tower (AWX ) configuration and management.
- Hadoop Cluster Administration.
- Setting up infrastructure on AWS (Amazon web services) services like EC2, EBS, VPC, IAM, S3, CLOUD FRONT, CLOUD WATCH, CLOUD FORMATION, GLACIERROUTE 53, ELB.
- Performance, scalability, capacity planning.
- DNS management through Infoblox.
- Support low latency, high throughput, sensitive, highly critical applications/Products.
TECHNICAL SKILLS:
Operating Systems: Red Hat Linux/CentOS5, 6 & 7, Sun Solaris 8, 9, 10& 11, SUSE 9,10,11 & 12, Ubuntu, Debian.
Ticketing/Monitoring Tool: Service now. Nagios, Zenoss, Dynatrace, CA service Desk, Remedy, JIRA
Virtualization Tool: VMware, Zones, Docker.
Storage/Cluster: EMC, Hitachi, Pure Storage, Actifio, VMAX, VERITAS Volume Manager 5.0, VERITAS Cluster, Sun cluster, RAID.
Hardware: Handling the High end, Mid - range and Entry level servers like Sun Fire E Series, M series, T series. DELL, HP, Cisco UCS, X86 Platform .
Automation Tool Ansible, Saltstack, Puppet:, AWX .
Cloud: AWS, Private Cloud.
Languages: Shell scripting, YAML.
PROFESSIONAL EXPERIENCE:
Confidential
Infra Ops Specialist (Sr Linux Administrator)
Responsibilities:
- Administration/Configuration of RHEL/SUSE/CentOS/Debian/ Solaris which includes installation, testing, managing, monitoring and improving performance tuning, upgrading patches, security, gap analysis troubleshooting both physical and virtual server issues, and VMware virtualization systems.
- Client meeting, reporting, requirement analysis, and implementation.
- Docker/Kubernetes installation and configuration .
- Installation of the new server in datacentre, troubleshooting hardware issues, Cabling, and Hardware replacement.
- Provisioning, server Migration on the cloud.
- SAN to NAS migration.
- Automation through scripting.
- Server builds automation through Ansible.
- Configuration /Management of satellite server( Spacewalk, SUSE Manager 3).
- Solaris servers patching, LDOM/Zones configuration, and troubleshooting.
- Provisioning/Troubleshooting physical servers in Datacentre and coordination with network/storage team for cabling configuring network and other stuff with hands & feet support.
- VERITAS Cluster administration and troubleshooting.
- Closely work with the Application development team to configure environment/infrastructure and to deploy changes in production as required.
- Troubleshooting p1, p2 incidents.
- Manage DNS /Apache Webserver/ Load Balancer /Tomcat.
- Working on NAS/NFS.
- Work on daily Prod/QA/Dev environment issues like network, server, and performance.
- VXVM/LVM administration and troubleshooting.
- Provided 24/7 on-call supports on Linux/UNIX Production Servers in Datacentre and Cloud.
- Disaster Recovery and QMW activity, planning, and execution.
- Storage migration.
- Linux File system management.
- Patch management, Package installation and OS deployments.
- Applied patches for every quarter regularly to meet audit requirements using Red Hat Satellite server, SUSE Manager YUM, RPM tools.
- AWS Solutions using EC2, S3, EBS, Elastic Load balancer (ELB), auto-scaling etc.
- Configuration Management Tool Puppet, Ansible.
- Deployed Docker engine in virtualized platforms for the containerization of multiple apps.
- Working on Oracle Supercluster /Exadata storage.
Confidential
Sr UNIX Admin
Responsibilities:
- Solaris administration and troubleshooting.
- Datastore Migration, Virtual Machine disk, CPU and Memory expansion.
- Zones administration
- LDOM administration
- Linux administration and troubleshooting.
- VERITAS Cluster administration and troubleshooting.
- VXVM administration and troubleshooting.
- Blade Logic.
- L3 activities.
- DR and QMW activity planning and execution.
- Storage migration to VMAX, VMAX 20k to VMAX 40 K migration.
- Patch management, Package installation, and OS deployments.
- QIP (DNS/DHCP management tool)
- Working on Puppet, NIS, Bladelogic.
- Hadoop cluster Administration.
- Involved in Hadoop Cluster environment administration, design that includes adding and removing cluster nodes, cluster capacity planning, performance tuning, cluster Monitoring, Troubleshooting.
- Adding new nodes to an existing cluster, recovering from a Name Node failure.
- Decommissioning and commissioning the Node on running Hadoop cluster.
- Recovering from node failures and troubleshooting common Hadoop cluster issues.
Confidential
Associate Consultant (UNIX)
Responsibilities:
- Creation/Extension of file systems using SVM, ZFS, LVM, and VXVM.
- Installing & configuration of SUN OS remotely.
- Patch management, Package installation and OS deployments /upgrades (KJP).
- Addition of file system in ZFS Pool.
- Creation of ZFS pools as per client requirement.
- Migration, configuration, and building of the local zone .
- Monitoring system performance.
- Daily interacting with Client for Change+Problem Management kind of activity.
- Hardware and OS Level L3 troubleshooting.
- Resolving all levels of OS, VERITAS Volume, and Cluster related issues with a minimum impact on the availability of the servers.
- Scheduling cron jobs by managing cron file with crontab.
- Red Had Linux L2 support.
- EMC Solution Enabler upgrade.
- Emulex and Qlogic HBA upgrade.
- Sun Cluster and VERITAS Cluster activities.
Confidential
Sr. Member Technical (Solaris UNIX/LINUX Engineer)
Responsibilities:
- Solaris Servers deployment, patch management, and system monitoring.
- Monitoring Memory, CPU, and Disk utilization on Sun Domains and analyze the performance.
- Creating, Resizing, Recovering, and Removing the Volumes.
- OS patch deployment on the server in compliance with the audit requirements using Live Upgrade feature in Solaris.
- Replacing Bad Mirror Disks under Solaris Volume Manager.
- NFS configuration.
- Jumpstart configuration.
- User Management.
- Kernel Patch Deployment and Firmware Upgradation.
- Starting, Stopping, Moving, freezing, Unfreezing cluster services in VCS.
- Server Build (Solaris 10) through Jumpstart Installation.
- SVM - (Solaris Volume Manager) Creating Meta devices and Implementing RAID levels
- Backup and restoration of Solaris critical file system.
- Linux Installation and configuration on ESX servers, Creating Virtual machines via VMware vSphere 4.
- Nightly Maintenance through Blade Logic.
Confidential
UNIX System Engineer
Responsibilities:
- Provides hardware and software support on Servers and Desktop.
- Installing, Updating, and managing OS.
- Add/Delete Users, Groups.
- Installation and configuration of Red hat Linux.
- Backup and Restoration of critical file systems.
- Backup of OS and Application Data on UNIX Systems.