Sr. Unix Administrator Resume
Atlanta, GA
SUMMARY
- Senior LINUX and Sun Solaris ( UNIX ) System Administrator with 11 years of experience encompassing system administration of Sun Systems implementing Redhat Linux, Solaris, AIX, HP - UX. And 6 years on Linux and VERITAS VXVM- VCS
- Proficient in installation and configuration setup and upgradation of Linux OS including security.
- Experienced in Disk management, Software Raid and creating file systems using different Veritas Volume manger,Veritas File System (VXFS), Solaris Volume manager(Solstice Disksuite 4.2.1) Solaris - ZFS(zpool etc) LVM.
- Installation, configuration of high availability products Vertias Cluster (VCS) and Sun Clustering Software (Local Datacenter HA or DR across multiple DC.)
- Experience on EMC SRDF R1,R2 Gold / True Copy with EMC Power path on service side.
- Experience in using VERITAS Net Backup (VNB), Proficient in System Backup and Recovery from tapes /tape Library using ufsdump, ufsrestore, tar and cpio, File system administration.
- Expertise in troubleshooting servers and OS problems.
- Experience with configuring Solaris containers/zones, resource allocation etc.
- Experienced in installing, configuring and maintaining of Sun/Solaris HW.
- Experience in shell scripting (Bash) and Ruby.
- Expertise in building Solaris server using jumpstart and Linux using Kick-start method.
- Experience in on Puppet, BladeLogic and Opsware automation tool.
- Experience with configuration and administration of external storage (SAN/NAS).
- Experience in system support, design, implementation and administration of UNIX/Linux servers.
- Administered, managed, deployed and supported highly available operations by 24/7 for a large number of production and development systems in the datacenter environment.
- Experience in and supporting 2000 plus servers spread across different datacenters.
- Experience in setting up extensive hardware Architecture (SUN/ORACLE, IBM, HP, Dell etc)
- Experience in setting up user accounts, training users and configuration.
- Excellent analytical and problem solving skills.
TECHNICAL SKILLS
Operating Systems: Red Hat Linux 6.0, 4.5, Sun Solaris 10, 9, 8, HP-UX 11.1i, VMware 4.0, Sco UNIXWindows 2K.
Hardware: SPARC Enterprise M 9000/5000/3000 , Sun SPARC Enterprise T5440 / T5240/T2000*Sun Fire V480/V490, 15K /20K. HP-UX work station b2900 Sun Storage Array D1000, A5000, Dell Power Edge 9100/9200 servers, HP Compaq Proliant DL/ML series servers.
Software: VERITAS File System, VERITAS Volume Manager, Solaris Volume ManageSolistice Disk Suite 5.X, 5.1 MP1, 5.0 MP3, 4.x. LVM, VERITAS Netbackup clientVintela, Puppet, Microsoft SCOM monitoring.
Cluster: VERITAS Cluster Server 5.x, 4.x
Tape Hardware: HP StorageWorks MSL6000 Tape Library, Storage tek tape libraries L40, L80, L180, L700, Sl500, Sl850, DAT & DLT, STK 9940B, 9840B, LTOs HP
Scripting Languages: Shell Scripting, C, Ruby.
Other Concepts: EMC SRDF, BCV & Gold Copy, Data Communication and NetworkingTCP/IP and Data Structures
Backup Tool: VERITAS Netback up 5.0, IBM Legato
Ticketing Tool: BMC Remedy 6, 7, HPOV, Track-It
PROFESSIONAL EXPERIENCE
Confidential, Atlanta GA
Sr. UNIX Administrator
Environment: Redhat 5/6/7, Solaris 10, VMWARE Vitalization, Shell Scripting
Responsibilities:
- Working on Daily Unix and Linux service request tickets.
- Administration of DNS zones.
- LDAP Administration.
- Linux Server build and configuration.
- On-call support for Linux and Solaris servers.
- Support for Dell Power Edge and Solaris Hardware at various Datacentre.
- Writing shell script for daily and routine jobs.
- Administration of Zenoss monitoring tool.
- Documentation of standard practises and known issues in ISD wiki.
Confidential, Atlanta GA
UNIX Engineer
Environment: Redhat 5/6/7 and Cent OS Linux, VMWARE Vitalization, Shell Scripting
Responsibilities:
- Prepare the design layout diagram for UNIX environment for all Production application.
- Daily DevOps task for puppet, scripting and Application performance.
- Prepare environment setup guides with Architectural design for Application.
- Worked in Stability Project for fixing reoccurring issues like, Serv1 and Serv2.
- VMWARE Server wise Capacity analysis and planning for above applications.
- Application Server Build and configuration as per environment setup Guide.
- Working as Sys Admin / Engineer, tuning exiting environment ( kernel and FS tuning ), configuration and production support for Sev 1, Sev 2 Tickets.
- Writing shell script for daily and routine jobs.
- Build new VMS as per project requirement ( like web servers and DB servers on Linux VM )
- Install, Configuration and support to Apache web servers.
- Install and configure puppet for client node and add them to respective groups for future management.
- Install, configure and monitor performance of UNIX Linux servers using SCOM monitoring software.
- VERITAS Netbackup configuration and monitoring of Daily weekly incremental and full backups.
- Setup authentication with winbind-AD and fix the issues related to AD login from Linux servers.
- Worked on Sudo file centralization using LDAP.
- Worked on POC for LDAP authentication.
- Help developer, tester and UNIX team to troubleshoot UNIX and application related issues.
Confidential, Atlanta GA
UNIX Architect
Environment: Jboss, F5 Load Balancer, Apache Web servers, Sun Solaris 8.0/9.0/10, Sun Fire, T & M Series Servers, Redhat and Cent OS 5.X Linux, Vitalization, Shell Scripting
Responsibilities:
- Prepare the design layout diagram for UNIX environment.
- Prepare environment setup guides with Architectural design for FADV Application.
- Plan for Migration of Applications from Lexis Nexus to FADV Data enter.
- Datacenter Capacity analysis and planning for migration of above application.
- Application Server Build and configuration as per environment setup Guide.
- 1) Linux and Solaris servers.
- 2) Web server configuration.
- 3) F5 Load balancer design and configuration.
- 4) Jboss application cluster configuration.
- 5) Install, Configuration and support to Apache web servers.
- Help developer, tester and UNIX team to troubleshoot UNIX and application related issues.
Confidential, PA
SR.UNIX Administrator
Environment: Sun Solaris 8.0/9.0/10, Sun Fire, T & M Series ServersVERITAS VXVM and VCS 5.1, Puppet, Shell Scripting
Responsibilities:
- Solaris and Linux Server Build for production and Testing environment.
- Solaris and Linux hardening and security.
- Solaris Physical to Virtual (P2V) Server Migration.
- Solaris to Linux Migration.
- Build / Add / Remove ( Node ) VERITAS Cluster.
- VCS service group migration from one to other cluster.
- Solaris and Linux Server quarterly Patching
- Emulex HBA firmware and OBP Upgrade on SPARC Systems.
- Oracle M4000/5000 Server Memory upgrade.
- New SAP server provisioning and support to SAP team for application and cluster.
- XSCF configuration for Datacentre move.
- VERITAS Cluster server 5.1 SP1 build and RP4 patch upgrade
- Veritas Netbackup configuration and monitoring of scheduled incremental, full backups.
- Daily UNIX Server Tickets.
- Network Aggregation on SPARC Servers.
- Performed monitoring / Automation of monitoring using shell script.
- Configure Solaris server for ZFS and SAN Boot.
- Solaris server Virtual to Virtual (V2V) migration.
- DataCenter Administration.
- Devops Task related to server patching, scripting, application support ( working with Oracle and SAP Team )
- Implemented and maintained puppet infrastructure building servers and manage configuration in operational and production environments.
- Working as Sys Admin Engineer, tuning exiting environment ( kernel and FS tuning ), configuration and production support.
- Writing shell script for daily and rutine jobs.
- Wrote puppet manifests for deploying, configuring, and managing for metric collection and monitoring.
- Wrote Puppet modules for Installing and packages on Linux servers.
- Developed Puppet modules to automate deployment, configuration like password change on SAP servers.
- Implemented Puppet modules to automate configuration of a broad range of services.
Confidential, Boston, MA
Lead UNIX / Veritas Administrator / SME
Environment: Sun Solaris 8.0/9.0/10, Sun Fire, T & M Series ServersVERITAS VXVM and VCS 4.5, 5.0, 5.1, Remedy, Shell Scripting
Responsibilities:
- Handled Critical UNIX Tickets (SEV-1, SEV-2)
- Worked on Root Cause Analysis for Solaris and Veritas cluster issues.
- Worked on DR Test of critical applications.
- Business as usual (BAU) support for UNIX environment.
- Kernel level tuning of Linux and Solaris for Oracle DB and Web server performance.
- Solaris and Linux server security and patching.
- Configuring Solaris containers/zones, resource allocation etc.
- Performed monitoring / Automation task using script.
- Migration of Legacy Hardware and Software as per application requirement.
- Attained meetings related to Change management.
- Follow up with Vendor (Oracle and Confidential ) for detailed troubleshooting (Like dump analysis, system performance issues) and provide detailed analysis to client about the issue.
- Co-ordination with Other Teams (SAN, Backup, VMWARE) for planned activities.
- Worked on Critical servers performance issues. (SWAP, CPU, RAM)
- Conducted Technical sessions on Technology like SAN, Scripting, EMC BCV Concept and VERITAS Cluster.
- UNIX Team Management.
Confidential, Hartford, CT
Lead UNIX / Veritas Administrator / SME
Environment: Sun Solaris 8.0/9.0/10, Sun Fire, T & M Series Servers, Veritas, VXVM and
Responsibilities:
- Virtulization Solaris (Zones and containers) and Linux
- SAN Refresh / SAN Migration on UNIX Platform
- Ensure Linux and Solaris security and quarterly Patching.
- Server Build Solaris
- Server Build Linux
- Veritas FS tunning and also system/ kernel tuning on Linux and Solaris servers.
- Linux physical and virtual server build.
- Solaris and Linux Upgrade
- Migration of UNIX to Linux server.
- Veritas Storage foundation Upgrade
- Data centre move project
- Emulex to Qlogic HBA Migration.
- Responsible for preparing the Knowledge Transfer Plan.
- As a lead, was responsible for training & hand-holding new team-members to the project.
- Was in-charge of constantly reviewing the current set-up, analyse the risk & issues.
- When encountered with risks/issues, was responsible for mitigation plan.
- Remedation Plan and implementation of legacy OS and hardware.
- As a team lead, was responsible for managing team - and filling for technical gaps.
- Below are the steps been performed during the EMC DMX to VMAX SAN migration:
- Analysis of current OS and patch level, Veritas Storage Foundation, Server Hardware, HBA, OBP, SAN Multipath.
- As per VMAX support matrix
- Follow the standard patching process on Solaris server OS patching
- Sanity reboot followed by detach the root mirror.
- Upgrade the OBP of server.
- Upgrade the OS from Solaris 8 to 10 or Solaris 9 to 10 as per application compatibility.
- Update the OS patches compatible to VMAX
- Upgrade the Power path as per Veritas Version.
- Upgrade the Veritas storage foundation ( VXVM and VCS )
- Upgradation of the HBA firmware & driver for Emulex & QLogic.
- Validation of the server after the remedation.
- Request the SAN as per data collected in pvinfo for Server FS, BCVs, Gold Copy.
- Validation of allocated storage VMAX.
- SCAN VMAX luns in Veritas and mirror it with DMX plexes.
- Keep batch job on hold for DMX and activate the VMAX jobs followed by test backups on BCV using VMAX SAN.
- Once the back-up is tested with VMAX, disassociate the DMC plexes and reclaim the DMX SAN.
- Support Oracle team to upgrade Oracle apps and database and ensure availability of the required FS and Storage as per their requirement.
- P2v, v2v and V2p conversion of Solaris servers.
- Physical to Virtual and Virtual to Physical
- Oracle Rac (project) provisioning of DBA sub-tasks.
Confidential, Sacramento, CA
Sr. Solaris System Administrator at Level 3
Environment: Sun Solaris 8.0/9.0/10, Sun Fire, Enterprise Servers, VERITAS VCS, VXVM 4.1Remedy6, Remedy7
Responsibilities:
- Solaris system administration, user management file system management.
- Create, resize, and manage Volumes using VERITAS Volume Manager.
- Diskgroup configuration and management in VERITAS Volume Manager.
- Troubleshooting and replacement of faulty disk under VERITAS control.
- Monitoring System performance using different SA commands and utilities.
- Storage and SAN management at server level as per DB and apps requirements.
- VERITAS Cluster administration.
- Printer setup and management.
- VERITAS Netbackup client level configuration and support.
- Solaris OS Hardening as per company security standards.
- Project wise Decommissioning of servers.
- Shell scripting for the daily activity and account management task.
- Assist Monitoring Team for creating & managing Monitoring Tasks.
- Assist Auditors for Various Servers Health Check, loginfail report, Audit processes.
- Installation and use of different Business packages on Solaris Platform like ESM.
- Applying OS and security patches for Solaris Operating Environment.
- Configuring and managing Network interfaces.
- Project Co-ordination and planning for daily business requirement.
- Coordination with Application, Database owners and Change Management for any business requirement and incident/issue reported.
- Attending ON-CALL and RED Alert Meeting Calls.
- Raising REL’ for modifications in server for hardware or software.
- Servers Downtime arrangements and facilitating vendors for any activity.
- Interacting with Vendors, Application/ Database owners and Change management.
- Managing OS and Network level security for system.
- Providing the client side support for VERITAS Netback-up.
Confidential
Sr. Sun Solaris System Administrator
Environment: Sun Solaris 9, Sun Fire V440 and Enterprise 450 Servers, Remedy, Domino Lotus Notes databases, DELL Power Edge server, IBM Servers P series.
Responsibilities:
- System performance Monitoring, Troubleshooting, Backup of SUN servers.
- Datacenter servers Management.
- Sun Storage management and VERITAS volume manager administration.
- Preparing monthly volume Report and SAR report, Backup Report.
- Maintaining the updated list of UNIX resources. i.e. Hardware and software
- Co-ordination with storage, backup, basis and DBA teams in day to day business activities.
- DR Process management and documentation.
- EMC SAN installation, implementation and troubleshooting.
- Server remediation to comply standard security guidelines.
- Vendor coordination. Eg. SUN/DELL etc.
- Implementation and support of TATA- Confidential standard tools.
- Server patching as per requirement
- Performance monitoring and tuning.
- Commission/decommission servers in account
- Maintaining and monitoring of root file systems
- Creating and managing Users on Solaris System.
- Managing devices installation and configuration.
- Managing Swap space for system.
- Documentation related to Incident, Hardware and software modification on servers.
Confidential
System Administrator
Environment: Tru64 UNIX server, Exchange servers, Windows NT servers
Responsibilities:
- UNIX server support ( File Share, accounts )
- UNIX and Linux server performance monitoring and reporting using shell script.
- UNIX servers Data Backup as per scheduled.
- UNIX server Share management and audit tracking.
- Microsoft Exchange server L1 Support
- Windows NT server system administration.
- User Share and access management on SCO-UNIX central server.
- Printer configuration on UNIX ans SAP environment.
- Monitoring the netwok performance between the Confidential Datacenter.
- IBM Windows server and work station support.
- Compaq Thin Client user support.
- As per User requirement configuration and build new windows systems.
- Vendor co-ordination for Hardware and Software issues, Part replacement and new system procurement.
- Documentation of critical issues, activities performed on servers, technical procedure and for audit.
- Co-ordination with other datacenter team for daily and planned activities.
Confidential
System Administrator (Linux and Windows)
Environment: Windows NT, Windows 2000 and Red Hat Linux
Responsibilities:
- Installation and configuration of Red Hat Linux, Windows NT, Windows 2K systems.
- Installation of Java, .NET, Oracle, MS-SQL. Also rational rose and other testing software.
- Network link Management between ISP to Datacenter of Expansion.
- Allocation of additional storage as per individual requirement.
- SAMBA server access configuration and management.
- Backup of Windows and Linux servers ( Daily and weekly using Tapes )
- Windows Exchange server management L1 support. ( User Accounts and modification )
- AD Server access Management.
- Troubleshoot the issue related to the Leased Line and Router connectivity.
- Build and configure UNIX and Windows servers as per project requirement.
- Administration of Microsoft internet security and acceleration ( IAS ) server ( for security and performance )
- Automation, Installation and update antivirus on windows servers.
- DataCenter Audit and documentation of process, technical procedures, Part replacement and Major issues.
- Co-ordination with Vendor for procurement /Hire systems for projects.
- Meetings with Project managers to understand the project requirement and implementation of new projects.
- Co-ordination with Development and testing team for planned released / scheduled activity.