SUMMARY:

• Talented Solaris and Linux Administrator with 15+ years of hands - on experience building and administering various flavours of Unix/Linux including Oracle Solaris (SPARC), Oracle Enterprise Linux (UEK) and Red hat Linux (RHEL) and Centos.
• Experienced in leading and delivering strategic operational on Cloud based Linux VMs running RHEL and Amazon Linux.
• Experienced in migrating VM from onsite VMware to Cloud.
• Lots of Co-location & data center management and migration experience.
• A quick learner with troubleshooting skills to resolve problems individually.
• A team player with a can-do attitude.

TECHNICAL SKILLS:

Operating Systems: Oracle Solaris, Red Hat (RHEL) Oracle Linux ((UEK) Centos, Amazon Linux.

Volume Managers: Disk suites (ODS), Linux Volume Manager (LVM), Veritas (VXFS), ZFS.

Virtualization: VirtualBox, VMware, Oracle VMs, LDOMS, Zones, Oracle OPS Center, OracleVirtual Manager (OVM).

Cloud: Amazon Web Services (AWS), Azure and GCP

Monitoring: Nagios, SiteScope

Ticketing System: Campfire, Remedy, ServiceNow

PROFESSIONAL EXPERIENCE:

Confidential

Unix/Linux Engineer IV

Responsibilities:

• Redesigned and replaced EOL version of Red Hat Update Infrastructure (RHUI) with 3.01 for Atos’s cloud infrastructure.
• Supported various Linux Projects and initiatives including server refreshes including Physical to Virtual (P2V) migrations.
• Provided Cost saving solution by migrating existing physical servers to VMware. This included one time copy and greenfield builds.
• Successfully completed PCI audit remediations for re-s.
• Supported AD based authentication such as SSSD on Linux systems.

Confidential

Unix/Linux Engineer

Responsibilities:

• Built and delivered a dev/test Oracle Virtual Machine (OVM) environment to migrate oracle databases from Sparc based supercluster to more resilient and robust VM running Oracle Enterprise Linux.
• Migrated 200+ Linux servers to CyberArk (PAM) for secured controlled access.

Confidential

Unix/Linux Engineer

Responsibilities:

• Delivered a cost-effective solution by using opensource (syslog-ng & centos 7) products to capture syslog messages from 200+ Linux servers in PCI environment to setup SIEM.
• Successfully designed and built and managed Oracle Virtual Machine (OVM) environment to migrate oracle databases from aging physical servers to more resilient and robust VM running Oracle Enterprise Linux.
• Participated in after-hours system maintenance and provided on-call rotation support for RHEL and Solaris and Centos Servers managed by our team.
• Tracked and resolved incident and task tickets in ServiceNow for the team.
• Provided thorough problem resolution and root cause analysis.

Unix/Linux Engineer

Responsibilities:

• Lead project engineer for storage migrations at S & P Global. Responsibilities included analysing the servers, recommend technology to be used for data migration. Successfully migrated 300+ to Vmax.
• Led post builds and standardized project to reduce human errors, improve build time and server delivery quality resulting in reducing the build time from 2 hours to 10 minutes.
• Managed Log retention for compliance project and delivered 3000+ compliant servers to customer in 3 weeks to avoid financial penalties.
• Led waves of data collection project to true-up CMDB.
• Migrated 3000+ systems from local authentication to active directory based One Identity (Quest) SSO.
• Duty manager for Unix/Linux operations team. Responsible for representing Linux team during outages, support team with technical assistance.
• Created a server/vm acceptance process to verify that the server configuration met the Unix operation team’s minimum standard resulting in 25% reduction in escalations during warranty period.
• LDOM consolidation/resizing project to reduce physical control domains. With this effort we reduced 20% of the physical control domain.
• Worked closely with Customer’s DBA to install, manage and patch Exadata servers.
• Mentored Interns and junior team members to promote teamwork and collaboration.
• Build custom RHEL AMIs with middleware components pre-configured in AWS
• Deployed, managed and maintained Linux instances in AWS.
• Using Automation tools such as Ansible managed 200+ RHEL instances.
• Provided cost effective solutions for lower environments by migrating on-prem servers to AWS.

Confidential

Unix/Linux Systems Implementation Engineer

Responsibilities:

• As senior Unix system administrator led a team of 3 Unix junior engineers to migrate 500+ server to new data center for company.
• Planned and led Physical lift and shift of 350+ Solaris and Red hat Servers which included Symantec (Veritas Clusters) and Oracle RAC Clustered.
• Built Oracle Ops Center to administer managing 200+ Production LDOMS.
• Led SAN migrations to migrate 300+ Servers from DMX and Clarions to VMAX frames.
• Successfully completed P2V migrations for Solaris EOL servers to LDOM.
• Planned and implemented V2V for business-critical applications with minimal downtime.
• Supported Avamar installations and configurations on UNIX & Linux server.

Confidential

Senior Unix/Linux Systems Administrator

Responsibilities:

• Migrated and managed on premise VMware VMs to VMware cloud on AWS.
• Racked, installed and configured new servers using jumpstart server and server builds.
• Performed quarterly operating system patches on Solaris and Red hat Servers.
• Planned and successfully migrated application from local disk to SAN for future capacity planning.
• Ensured remedy tickets are acknowledged and resolved within SLA.
• Planned and successfully completed OS/hardware refreshes.
• Managed Google appliance.
• Hardened and managed DMZ servers running Web facing services such as Bind (DNS Manager), Web servers (Apache & Nginx)
• Provided cost effective solutions to replace EOL equipment with VMware.
• Provided BAU system engineering support (Break/fix) for globally distributed Servers.
• Performed EMC Power Path upgrades.
• Managed VMware Infrastructure and supported VMware clients running Linux.
• Provided 24 x 7 rotational on-call and weekend support as L3 engineer.
• Maintained run-books and Visio documentations.
• Provisioned and supported Virtualization on Solaris LDOM and zones.
• Performed EMC Storage Migration using open replicator and PPME.
• To improve backup performance successfully migrated backup traffic on dedicated backup network and upgraded Symantec Netback up to 7.1 on 3500+ UNIX servers.
• Managed and Maintained NetBackup servers.

Confidential, New York, NY

UNIX Systems Administrator

Responsibilities:

• Built new servers Sun, Linux Aix servers from ground up. In addition, maintained the jumpstart server for Sun and kick-start servers for Linux.
• Supported a heterogeneous environment of enterprise Sun, Linux, and AIX.
• Configured and maintained Infrastructure servers running DCE-DFS, NFS and NIS+.
• Performed regular security patches, upgraded OBP firmware and APARS.
• Implemented Veritas clustering using Veritas HA for mission critical database servers.
• Setup Veritas Volume replicator for disaster recovery site.
• Performed tuning of system and applications and kernel parameters, including swap addition on live systems
• Documented procedures, changes required in the present environment.
• Monitored trouble ticket queue to attend client requests and system calls.
• Managed offshore team of system administrator and transition engineers, provided on call support for debugging escalated E3, E2 application & system issues within SLA.
• Provided root cause analysis after outages followed by recommendations. (RCA)
• Exposure to setup and configured EMC SAN (Clariion and Symmetrix) controlled by Veritas Volume Manager.

Confidential

UNIX System Administrator & Network Specialist

Responsibilities:

• Designed maintenance network and configured NFS to installation and upgrades for servers.
• Redesigned environment and implemented NIS to improve environment administration.
• Performed upgrades, performance tuning, monitored system and application logs. Customized system message handling.
• User administration which includes creating, adding and deleting local users.
• Performed hardware upgrades on Sun and Linux servers.
• Maintained and monitored business application on Sun and Linux servers.
• Implemented and redesigned networking solutions and addressed network connectivity issues.
• Setup and supported servers used by clients for ecommerce.

Confidential, NY

Junior System administrator

Responsibilities:

• Provided support for all E class & Sun Fire machines.
• Maintained file servers and storage devices, extensive disk work done using Sun Volume Manager & Veritas Volume manager.
• Performed Backups and practiced recovery drill for disaster recovery using Veritas Netbackup.
• Migrated all environments managed by hosting facilities to self-managed co-locations for cost effective operations.
• Developed a release mechanism to help release and rollback application version.
• Provided support for entire Solaris environment Development, UAT and Production environment.
• Supported production and UAT applications by performing restarts, monitoring logs, client support.
• Performed User administration work such as adding new users, locking leaver’s accounts. Restricting access, file permission and Activity monitoring.
• Installed a Network & Server Health monitoring system (Nagios).
• Extensively worked with Cisco IOS, routers, and switches.
• Played an active role in monitoring server performance, network traffic to prevent bottleneck of resources.