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Sr. Unix/devops Admin Resume

OBJECTIVE

  • To innovate, perform, lead and achieve goals in a technically challenging IT infrastructure support.

SUMMARY

  • 13+ years of insightful experience of managing server infrastructure and datacenter operations across multiple platforms (UNIX, Linux and Windows) including server builds, troubleshooting, performance tuning, virtualization and Automation.
  • Effectively plan, install, configure and optimize the IT infrastructure to consistently achieve high availability and performance.
  • Proven ability to create and deliver solutions tied to business growth, organizational development and systems/network optimization.
  • Skilled problem identifier and troubleshooter, comfortable in managing systems, projects and teams in a range of IT environments.
  • Ability to tune Solaris and Linux systems based on performance, memory usage, filesystem and device I/O.
  • Expertise in automating installations, configuration management, and other administration tasks.
  • Very good understanding and working knowledge of AWS EC2 and cloud computing environment.
  • Proficient in security remediation, critical assessments, disaster recovery and Virtualization.
  • Expertise in Kick start of RHEL and Jump start in Solaris.
  • Efficient in installing, configuring and implementing the RAID levels using various tools like Linux Volume manager (LVM), Veritas Volume Manager (VxFS), Solaris Volume Manager (SVM) and ZFS.
  • Proficient in writing scripts in shell and Perl for automation of systems, applications and backup.
  • Expertise in areas such as Installation, Configuration, Migration, Troubleshooting, Patching and Performance Tuning.
  • Good hands on Virtualization experience with VMWare ESX/ESXi, vSphere and vCenter infrastructure.
  • Very good understanding and working knowledge in SAN, NAS and DAS technologies, configuration automation tools like Chef and Puppet.
  • Demonstrated ability to identify and troubleshoot critical systems issues, gather metrics and monitor systems at all levels including low level system calls to ensure that Service Level Agreements (SLA) are being met.
  • Fast learner and driven to action. Adapt to ever - changing situations of work environment. Acknowledged for creating new and alternative ideas to achieve on demand business needs.
  • Excellent interpersonal, communication skills & high-level leadership and mentoring skills.

TECHNICAL SKILLS

Operating Systems: Sun Solaris 8/10/11, RHEL 5.0/6.0, Windows 2003/2008

Hardware: Sun SPARC, Intel Servers/Workstations, IBM AIX

Databases: Oracle 8i/9i/10g, MySQL, Sybase, Postgres

Volume Management: Veritas Volume Manager(VxVM), Solaris Volume Manager (SVM)

Cluster Services: Veritas Cluster Server(VCS), Oracle Solaris Cluster, Red Hat Cluster

Scripting Languages: Shell Script (Bash, Bourne and Korn Shell), Perl script

Automation & Build Tools: Chef, Puppet, Ansible, Jenkins, Docker

Storage: DAS, NAS, SAN, SAN over IP, FC/FCoE, iSCSI

Networking: TCP/IP, LAN/WAN, VPN, SSH, DNS, DHCP, NFS, LDAP, AD

Virtualization: VMWare ESX/ESXi, Oracle VM, LDOM, Solaris Zones, VBox, Docker, Amazon AWS/EC2, Xen, OpenShift

Web Servers: Apache HTTP Server, Sun Java System Web Server, Microsoft IIS

Backup: Veritas Netbackup, EMC Legato Backup, ufsdump/ufsrestore, fbackup/frecover, tar, cpio and dd commands in HP DAT tape drives

Quality: ITIL V3, Six sigma

Management: PMP training with 35 hours PDUs

PROFESSIONAL EXPERIENCE

Confidential

Sr. Unix/DevOps Admin

Responsibilities:

  • Implementing and developing solutions enabling Development and Operations teams to build, deploy, monitor and test applications and environments.
  • Implementing monitoring and reporting solutions across a range of environments and platforms.
  • Evaluating and advising on virtualization and containerization solutions.
  • Environment provisioning solutions using Docker, Vagrant, Red Hat Satellite.
  • Setting up and introducing Continuous Deployment processes and advising on best practice.
  • Troubleshooting Solaris and Linux Server panics, hardware and software issues.
  • Installing and configuring Solaris 8/10/11 servers.
  • Kernel Tuning and Patches installation on Solaris.
  • Installing and upgrading software/RPM/packages in Linux.

Confidential

Lead Systems Engineer

Responsibilities:

  • Working with the Infrastructure support of Thomson Data Network and supporting more than 1000 servers.
  • Involved in the resolution of escalated HP Service Manager 7 tickets for the L1 and L2 team, handling user requests and incident tickets based on criticality.
  • Working on the scheduled and emergency change tickets involving server builds, Solaris zone and VBox builds, server and firmware upgrades, patches and package installations.
  • Coordinate with various teams like Network, Backup, Storage, Datacenter, 1st level, Onsite and various Application Teams ensuring the servers and services up and running 24*7.
  • Solaris ZFS and Zpool Administration
  • Solaris Zones Administration
  • Storage administration at the OS level on Solaris boxes
  • Working with the appropriate vendor for RCCA of incidents.
  • Troubleshooting Solaris and Linux Server panics, hardware and software issues.
  • Installing and configuring Solaris 8/10/11 servers.
  • Kernel Tuning and Patches installation on Solaris.
  • Installing and upgrading software/RPM/packages in Linux.
  • Creating and modifying NIS user accounts, sudoers permissions.
  • Attending CAB meeting for the weekly changes.
  • Worked on several technical projects as a project lead/coordinator.
  • Have been part of all the project meetings to discuss the scope, estimate cost, identified stakeholders, gathered requirements and assessed risks.
  • Worked on setting the milestones of the project.
  • Followed up with Business Unit for approvals on the timelines.
  • Coordinated with Various teams Unix, network, Datacenter teams to get the systems ready for deployment.
  • Coordinated with BU for deployment and application testing.
  • Handed over the systems for regular operation, coordinated to fix the potential issues encountered on timely manner.
  • Continued with the performance monitoring and followed up with the applicable upgrades.

Confidential

Shift Lead

Responsibilities:

  • Attending Weekly RedHat call with RedHat engineers and onsite team on the ongoing issues and RCCAs.
  • Preparing/updating technical and process SOPs.
  • Goal setting and training the new team members to help them come up the learning curve.
  • Extending support to about 2500 servers Merrill Lynch in AMRS zone.
  • Managing/troubleshooting all the issues on production and development servers.
  • OS, Veritas and LPFC Patching.
  • Auto generated and user trouble tickets using ITSM tool (BMC Remedy AR System)
  • Installation of Packages and Application Releases.
  • Administration & Maintenance of Volume Groups and File Systems.
  • Configure disk drives & OS Installation.
  • Troubleshooting of Legato backup failure and performing Legato restores
  • Configuration and Administration of NIS, NFS.
  • Administration of SUDO accounts.
  • Configuring and troubleshooting Network File System in Linux and Solaris.
  • Commissioning (post-build checks) & De-Commissioning of servers.
  • Troubleshooting of patrol issues.
  • Root cause analysis after Panic/Dump/Crash related to Linux and Solaris by co-coordinating with Vendors for permanent resolution.
  • Managing and troubleshooting of Veritas Volume Manager and Veritas Cluster on Solaris.
  • Subscription of servers to BMC Patrol and Legato Backups.

Confidential

Team Lead

Responsibilities:

  • Managing Change and Incident team’s metrics and ticket inflow.
  • Complete responsibility of Incident and Change team timelines and service delivery.
  • Ensuring Process adherence by all the engineers for all the Incidents and Changes.
  • Defining new processes for new issues by coordinating with the client.
  • Driving process as per the ITIL standards set.
  • Analysing incident history for the servers and initiate Problem Management for the reoccurring issues.
  • Knowledge transfer sessions on process SOPs and Kintana (CRM Tool) for the new hires.

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