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Sr. Unix Linux Infrastructure Engineer Resume

Fort Worth, TX

OBJECTIVE

To work with an IT company, which strongly believes in quality and professionalism, as a UNIX Linux Administrator, where my potential and skills will be utilized in the true sense ensuring companies as well as personal growth.

SUMMARY

  • Experience in System design and UNIX Administration of Red Hat, SUSE, Ubuntu, Solaris & VMware.
  • Worked on Various Migration, Consolidation, Installation, High Availability and disaster Recovery Solutions.
  • Expertise *NIX OS patching for vulnerability and security compliance
  • Implemented jumpstart and Kick start for Solaris and Linux
  • Performed Storage migration from EMC VMAX to IBM SVC on Solaris & Linux
  • Experience on DHCP, DNS, FTP, LDAP, NFS, NTP
  • Experience on ZFS Snapshots and Zpool data set configuration
  • Experience in implementing Clusters and Storage with SAN & NAS
  • Active Directory authentication for SSO with Centrify, Quest, Kerberos
  • Knowledge of AWS Cloud computing
  • Good Analytical and troubleshooting skills for OS performance issues.
  • Analysis, Troubleshooting and performance upgradation of Linux systems

TECHNICAL SKILLS

Operation System: Red Hat 6, 7 SUSE & Ubuntu, Solaris 9, 10, 11

Cluster: Confidential Cluster & Sun Cluster

Automation: Ansible playbook, Morpheus, HPSA

Volume Manager: Confidential Volume Manager (5.1 & 6.0), LVM & SVM

Monitoring tools: Nagios, Cacti, Egmonitor, Unicenter

Virtualization: Solaris Zones & LDOMs, VMware

Hardwares: T5120, T5240, M5000, V880, V890, E4500, V480, V490, Confidential Proliant DL 380, DL 385, DL 585

PROFESSIONAL EXPERIENCE

Confidential, Fort Worth, TX

Sr. UNIX Linux Infrastructure Engineer

Responsibilities:

  • Experience on designing, implementing and supporting Linux in enterprise - level organizations
  • Supporting RHEL 6/7 for self-managed servers in a high-speed low-latency network and supporting OS for Lab environment which includes 1500+ Linux VMs.
  • Apply OS patches and upgrades on regular basis, and upgrade administrative tools and utilities for vulnerability remediation; perform standard system maintenance
  • Responsible for Server deployment, Incident resolution, change management and internal customer support.
  • Troubleshooting and resolving Linux server technical issues related to engineering infrastructure
  • Experience setting up, configuring and administrating server virtualization technologies
  • Registered new servers on RedHat satellite with subscription manager and activation keys
  • Experience on Websphere application servers Jboss, Apache and Tomcat installation and configuration
  • Worked with Asset discovery team to replace CMDB with Tanium Discovery and Confidential data platform (Asset repository)
  • Implemented SVM (Software Vulnerability Manager), Carbon Black security software in all self-managed servers
  • Manage and maintain monitoring to ensure uptime and SLA levels
  • Create and peer review knowledgebase articles and product documentation
  • Engineering experience and worked for POC with respect to Ubuntu 16.04.3
  • Willing and able to learn new technologies

Confidential, Fort Worth, TX

UNIX Consultant

Responsibilities:

  • Manage large scale Linux server environments: handling Linux environment, including deployment, administration, networking, performance monitoring, security hardening, trouble shooting and production operations
  • Handled critical incidents via escalation procedure and restoring the service back.
  • Maintain DR consistency within IT and ensure adherence to corporate DR plans
  • Responsible for the maintenance of established Service Level Agreements with clients and partners including after-hours or on-call work as necessary
  • Experience in configuration and maintenance of Confidential clustering
  • Performed Storage migration from EMC VMAX to IBM SVC on Solaris & Linux environment
  • Installed recommended and cluster patches on Sun servers and Firmware upgradation
  • Configured Solaris zones using ZFS for data File systems
  • Worked with Vendor to provide support for hardware replacement including Hard disk, Motherboard, Memory & CPU
  • Worked on Single sign-on with AD authentication for Centrify
  • Involved on Data center activity for IBM frame movement from Old to New data center
  • Interacted with client on daily & weekly operation calls and providing the updates.
  • Installed latest Patches for security bugs and relevant platform specific packages in standalone & Cluster servers
  • Managed Disk Partition using Confidential volume manager & LVM.
  • Package management using rpm & yum
  • Provided RCA on critical issues using problem management process

Confidential, Alpharetta, GA

UNIX Consultant

Responsibilities:

  • SME for Linux and Solaris OS patching in accordance with security compliance.
  • System administration of Solaris 10 & 11 and responsible for making sure that we are achieving SLA and targets given to us by the client.
  • Responsible for providing solutions towards Vulnerability remediation. ( Confidential )
  • Responsible for providing technical help to the team members also working on critical and escalated issues.
  • Worked closely with client in identifying defects in the environment and providing remediation plan for same.

Confidential

Technical Lead

Responsibilities:

  • Worked on Confidential Cluster Server incidents and Changes & Problem Tickets
  • NTP Client configuration update in all UNIX Servers.
  • Supported from UNIX side and worked with DB & Storage team to perform SAP QA refresh activity in every quarter
  • Server performance monitoring using EG monitoring tool
  • Involved on SAP data migration from Solaris to Linux environment.
  • Performed OS upgrade on Red Hat Linux from 5.x to 6.4 version
  • Decommissioned of unused Physical Servers and released the Storage.
  • Experience with UFS to ZFS file system conversion
  • Performing Confidential Cluster installation and configuration for High availability
  • Involved on Storage migration project for migrating data from NetApps to Hitachi Storage.
  • Managing AD user for single sign-on authentication using Quest application in all UNIX servers.
  • Having knowledge and configured the TPAM (Total Privileged Access Management) for access and password management.
  • Experience with Tumbleweed support to perform SFTP migration from physical appliances to Virtual servers.
  • Prepare the documentation upon the completion of any UNIX projects and keep update in SharePoint.
  • Update the UNIX inventory & KEDB document and uploaded in Shared link.

Confidential

Principal Infrastructure Engineer

Responsibilities:

  • Installed Red Hat Linux 5.x, 6.x & SUSE Linux 10, 11 in physical as well as virtual machines
  • Supported various level of troubleshooting and configuration of VXVM, VCS Cluster.
  • OS root mirroring used SVM or VXVM as well as detaching the mirror disks for the maintenance activities.
  • Managed disks, volume groups, file system and assigned LUNs.
  • Troubleshot for any disk failures or performance issues.
  • Network file system: Configured NFS server & clients.
  • Performed change management activities on Linux servers and adhered to the change window timings.
  • Created virtual servers using LDOM and managing primary & guest domains.
  • Experience in supporting and maintenance of IBM HACMP on AIX 5.3/6.1
  • Disk pool creation and file system management using ZFS.
  • Performed file system creation extending the file systems using Linux Volume Manager online.
  • Installed and configured HPUX & HPVM host and created guest VMs, then deployed from Ignite Server.
  • Dynamic root disk management for OE migration on Confidential -UX.
  • Involved on production datacenter environment to solve client issues and backend support to users.
  • Troubleshot hardware and software related problems by analyzing system logs.
  • Onsite Experience: Six months onsite experience in Confidential - Sydney, Australia for data centre implementation.

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