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Senior Unix Server Infrastructure Analyst Resume

SUMMARY

  • Experienced UNIX/LINUX engineer & admin with strong knowledge of SAN/NAS/DAS, DRP/BCP, Backup & Recovery, Incident & Change Mgmt, Project Mgmt, Application support & Migrations.
  • Strong understanding and compliance to ITIL and I.T Service Management principles and guidelines.
  • Designed, setup, configured, supported, upgraded and migrated 24x7 HA server environments from ground up, including Operating Systems, Network, Applications and Databases.
  • Installation, configuration and administration of VMware ESXi 5.1/5.5 and Linux RHEL and SUSE VM’s.
  • Configured HP - UX blades as VMware hosts for Linux VM’s (RHEL 5.5/6/7 and SUSE 10/11).
  • Kernel patching and configuration changes on RHEL & SUSE Linux using Satellite and SUSE manager.
  • Administered & supported applications: HP IUM, Web Logic, Web Sphere, Apache, Java, custom apps.
  • Experienced in production scheduling using Unix Cron jobs, Tidal SysAdmiral and Control-M.
  • Produced Unix/Linux server migration strategies and performed migrations’ executions (hands on).
  • Performed design, builds, support, upgrades and migrations on Solaris, AIX, HP-UX, Linux SUSE/RHEL
  • Created, configured, supported and troubleshot VIOS and LPARs on IBM Pseries enterprise servers.
  • Experienced in Jumpstart, Kickstart, Ignite and NIM installations.
  • Configured HMC (IBM x3550) and terminal servers (DIGI, Lantronix, Cisco, Avoscent, In-Reach, KVM).
  • Experienced in Kernel patching, firmware upgrades, AIX TL / SP upgrades and configuration changes.
  • Performed SAN Migration (EMC VMAX to EMC VNX) including LDOMs, Zones, LPARs and Linux VM’s.
  • Implemented and supported software and hardware RAID on internal disks and SAN LUN’s.
  • Volume Management experience using Veritas Volume Manager, LVM, SVM and ZFS.
  • Designed, built and supported Veritas Cluster Server VCS 4.0/5.0 with Oracle, Sybase, Weblogic etc.
  • Provided technical consulting and planning, and vendor management for support and service delivery.
  • Implemented, tested and verified security measures/controls during break/fix, new setups & upgrades.
  • Experienced in network connectivity & troubleshooting and server configure as per company standards.
  • Good knowledge of TCP/IP (DNS, DHCP, SFTP, SNMP, VLAN’s, NIS, LDAP, AutoFS, NFS, NTP etc.)
  • Created, configured, migrated, troubleshot and supported Solaris zones (containers) & LDoms.
  • Experienced in security, hardening, I.T audit, monitoring, performance and capacity management.
  • Managed user and group accounts under general O.S, LDAP-based, sudo, NIS and Etrust (seos).
  • Possess backup and restore exposure on IBM TSM, Veritas NetBackup and Legato Networker.
  • Performed performance planning, tuning, monitoring and reporting using CLI, TUI, scripts & GUI tools.
  • Participated in post mortem meetings for root cause analysis of high-severity, service-impacting issues.
  • Designed, planned, and participated in disaster recovery and BCP exercises.
  • Know Sun/Oracle/HP/Fujitsu/IBM/Ericson hardware - enterprise and mid-range servers & ERP solutions
  • Strong knowledge of Solaris, HP-UX, AIX, Linux (Red Hat and SUSE) OS and virtualization techniques.
  • Hands-on experience of EMC VMAX/VNX/Symmettrix, Hitachi HDS, IBM SHARK, HP EVA & StorEdge.
  • Hands-on experience of IBM POWERPATH, Symantec (Veritas) DMP and Solaris MPXIO.
  • Strong understanding & experience of implementation/support of Identity Management solution on cloud
  • Authored technical documentation on patching, builds, HA cluster failovers, migrations, troubleshooting.
  • Problem solver, quick learner & strong team player/coach with good communication skills and ethics.
  • Have ability to work under pressure and time constraints with a variety of people while prioritizing tasks.

TECHNICAL SKILLS

Operating Systems: Solaris 7/8/9/10/11, AIX 5.x/6.1/7.1, HP-UX 10/11i, Linux RHEL 5/6/7, SCO, SUSE 10/11, Windows NT/XP/Vista/20xx, Ericsson DICOS, z/Linux, DOS.

Virtualization: Solaris local & branded Zones, LDoms, LPARs, VMWare ESXi, RHEL/SUSEEnterprise Servers T5-4, T4-2, M8000/M5000, T6230, T2000/T5220, X4200/4600, E6800/6900, V480/V490, V880/V890, V440, V240/V210, F15K, F4800, HP Proliant DL

Backup & Recovery: Veritas NetBackup 5.0/5.5/6.0 MP5, EMC NetWorker 7.1, IBM TSM 5.5

Tape Libraries: StorageTek L180, StorageTek L700, IBM TotalStorage 3584.

Network Software/Protocols: TCP/IP, NTP, NFS, NIS, NIS+, AUTOFS, RADIUS, DNS, LDAP, DHCP

Terminal servers: Cisco, Digi passport, Lantronix, Avoscent, IN-Reach LX-8000 series, KVM

Load Balancers: F5 BIG-IP (LTM and GTM modules), IBM Xi50 appliances

NTP Servers: SyncServer S350, NTS-200

Monitoring and Auditing: HP ITO, Big Brother, SMURF, nCircle 360, BMC Patrol, Nagios, Net Cool

Production: Scheduling Control-M, SysAdmiral / TES (Tidal Enterprise Scheduler)

Security /User Management: JASS/Solaris Security Kit,Etrust(seos),SUDO,Entrust,LDAP,NIS,ACL,GASP

Performance: Monitoring BMC Portal, UpTime, CACTI, Splunk

Backup / Restore: Veritas Netbackup 6.5, IBM Tivoli Storage Management (TSM) 5.5, Legato

ERP and Databases: Oracle Apps 11i, Oracle 8/8i/9i/10g/11g R2, Oracle Times Ten, MySql, Sybase

Applications/Middleware: Identity Mgmt, WebSphere, WebLogic, Apache,Tomcat,JBOSS,JAVA, Mercury

Programming Languages: AWK, SED, SQL, Visual Basic, COBOL, GW Basic, FoxPro.

Network: Hardware Cisco routers and gateways, Cisco Catalyst / Nortel BayStack Switches, Juniper routers and switches, Extreme switches, Siemens and Pandatel Line Drivers and Multiplexers, EXFO Fiber Optical Splicing equipment, Fluke network equipment.

PROFESSIONAL EXPERIENCE

Confidential

Senior UNIX Server Infrastructure Analyst

Responsibilities:

  • Engineering and administering Solaris, AIX, HP-UX, Fujitsu and Linux (Red Hat Enterprise server 5/6/7 and SUSE Linux Enterprise Server 10/11 SP2) mission critical, PROD and pre-prod environments.
  • Troubleshot and recovered suspended ZFS file systems on production T-5 Solaris servers.
  • Migrated 36 Solaris10 zones within individual Solaris10 guest ldoms hosted on Solaris11 platform.
  • Migrated 44 outsourced critical, legacy applications from Solaris8 physical servers to Solaris8 branded zones configured with Solaris 10 LDom’s on Sun T6230 blade servers to in-house data center.
  • Implemented, supported and troubleshot IDENTITY MANAGEMENT solution in 24x7 centralized production environment supporting various government ministries.
  • Provided DR solution for critical Solaris production environment including the application & DB layer.
  • Migrated SAN based Guest LDoms, zones and LPARs from EMC VMAX SAN array to VNX SAN array.
  • Created FLARs of Solaris8 operating system instances running on physical servers for virtualization.
  • Configured and supported Oracle 6000 Blade chassis with 5 T3-B1 SPARC blades as Primary LDom’s.
  • Configured and supported KVM console connectivity for Oracle 6000 Blade chassis and blade servers.
  • Configured jumbo-frame support on HXGE interfaces on Oracle T3 blade servers.
  • Configured, supported and trouble shot Guest LDoms on Primary LDoms.
  • Configured, supported and troubleshot Solaris local and branded zones on Solaris guest LDoms.
  • Deployed Solaris8 branded zones by migrating FLAR images from SUN physical servers.
  • Configured, migrated, supported and troubleshot Solaris zones & LDoms, physical & blades servers.
  • Modified virtual resources at primary and guest LDom layers (VCPU, MEM, VNET, VDISK, VCC etc.).
  • Modified resources and configuration of Solaris zones residing within Solaris 10 LDom’s.
  • Configured, administered, troubleshot and supported ZFS, zpools and zvols.
  • Troubleshot console access to Solaris 8 branded zones by removing SUNWlwact package.
  • Analyzed (GUDS script) and resolved critical performance issue on Oracle Solaris LDoms (Oracle VMs)
  • Configured and supported ZFS mirror on root disks and non-root ZFS volumes.
  • Automated ZFS snapshots of ZFS file systems residing on Oracle Solaris LDOMs and zones.
  • Setup password-less SSH / SFTP access for NAGIOS monitoring of UNIX enterprise servers.
  • Setup secure ACL permissions on Solaris 10 guest LDoms to access app logs on branded zones within.
  • Automated cron jobs to delete 3 month old app logs and email the list of deleted logs to app group.
  • Modified hostnames and other resources on Oracle LDoms and containers.
  • Performed network configuration and troubleshooting on UNIX infrastructure.
  • Implemented, troubleshot and supported IPMP and aggregation/trunking on Solaris serves.
  • Performed troubleshooting of boot issues on AIX and Solaris physical and virtual servers.
  • Configured, supported and troubleshot NFS on Solaris servers.
  • Generated post mortem reports using SUN Explorer for vendor analysis.
  • Participated in load testing of staging and production UNIX enterprise server environments.
  • Performed performance and capacity analysis for physical and virtualized UNIX infrastructure.
  • Performed load testing of staging and production UNIX enterprise server environments.
  • Created FJsnaps on Fujitsu PrimePower enterprise servers for troubleshooting and diagnosis.
  • Installed and configured IBM TSM client on physical & virtual UNIX (Solaris & AIX) production servers.
  • Used IBM TSM to restore missing and broken filesets.
  • Configured, troubleshot and supported Emulex HBA’s on enterprise UNIX servers.
  • Performed troubleshooting of storage related issues including POWERPATH issues.
  • Kept the disk naming convention persistent for EMC LUNs simultaneously assigned to multiple servers.
  • Supported and troubleshot EMC VMX LUNs for virtualization of LDoms and Zones.
  • Troubleshot issues with EMC Symmetrix VMX LUNs and carved LUNs on EMC VMX.
  • Diagnosed and replaced faulty NEM modules on SUN 600 blade server.
  • Generated chassis-level CMM snapshots and blade-level snapshots on Sun 6000 blade server.
  • Performed kernel patching on Oracle servers and T3 blades.
  • Administered, upgraded, supported and troubleshot AIX infrastructure for TSM backup infrastructure.
  • Setup and configured HMC server on IBM x3550 M3 machine.
  • Configured redundant VIOS for I/O virtualization and sharing.
  • Created LPAR’s on P5, P6 and P7 AIX servers.
  • Configured NPIV and SEA along with other network and hardware configuration.
  • Troubleshot issues on LPAR’s and VIO Servers.
  • Fixed corrupt Kernel on AIX LPAR to enable bosboot execution.
  • Worked on patching strategy and procedural document for Solaris and AIX infrastructure.
  • Performed TL and SP upgrades on AIX servers.
  • Opened PMR’s with IBM to resolve issues on AIX P5, P6, P7, HMC and LPARs.
  • Opened SR’s with Oracle for hardware and software issues and used Oracle Shared Shell.
  • Authored scripts for routine and non-routine tasks.
  • Built and configured SUSE Linux Enterprise Server 10/11 virtual machines on ESX4.1/5.1 platform.
  • Added Static routes for multiple VLANs in Solaris & SUSE Linux Ent. Server 10/11 virtual environments.
  • Administered, supported and troubleshot HP 9000 PR3410/3440 enterprise UNIX servers.
  • Performed firmware and kernel upgrades on HP enterprise servers.
  • Successfully troubleshot CHECKPOINT firewall automated daily log creations and remote copying.
  • Avidly participated in monthly patching of WINTEL patching in HIGH AVAILABILITY PROD environment
  • Followed ITIL guidelines for infrastructure incident & change management by using Remedy ITSM.
  • Performed user & group management on Solaris 9/10, AIX 5.x/6.x/7.x, HP-UX 10i/11i and Linux Red Hat Enterprise Server 5/6 and SUSE Linux Enterprise Server 10/11; used GASP tool for security.
  • Avidly participated in periodic maintenance for patching HA and non-HA Unix and Windows servers.
  • Authored technical and procedural documentation to enhance standardization of routine tasks.
  • Worked with applications and developers teams to troubleshoot and support critical applications.
  • Successfully shutdown/bring back up the Calgary JJB datacenter during disaster (Calgary flood Jun13).
  • 24x7 after-hours and on call support using CITRIX based VPN.

Confidential

UNIX Infrastructure / Data Platforms Consultant

Responsibilities:

  • Supported critical applications on ROGERS’ cellular data platform hosted on 24x7 UNIX infrastructure.
  • Administered Solaris, HP-UX and Linux (SUSE, RHEL) 24x7 mission critical, production environment.
  • Designed, administered and supported Rogers’ cross-country telecom billing infrastructure comprising of HP blade servers running in 24x7, high availability environment on HP-UX 11i and HP IUM.
  • Provided technical consulting and planning, and vendor management for support and service delivery.
  • Designed and build Solaris and Linux Red Hat and SUSE environments.
  • Enhanced CPU and memory shares on Solaris physical servers and zones, HP-UX, Linux SUSE, RHEL
  • Supported and troubleshoot IDENTITY MANAGEMENT solutions in 24x7 PROD billing environment.
  • Fixed failed root mirror disks and SAN LUN’s on Sun, HP-UX and Linux servers.
  • Configured, migrated and supported full-root and sparce-root zones on Solaris 10 servers.
  • Supported and troubleshot IPMP on Solaris servers and bonding issues on Linux servers.
  • Troubleshot failed hardware (FC HBA’s, memory and hard disks etc.) on Unix enterprise servers.
  • Upgraded Firmware on HP EVA4400 and EVA4000.
  • Supported HP Fiber Channel switches and zoned new LUN’s on HP SAN switches.
  • Migrated file systems from local disks to SAN disks.
  • Upgraded and supported SUN CAM 6.6 to 6.7 for StorEdge6140 and 6180 disk arrays.
  • Administered and supported Solaris DNS servers in Toronto, Montreal and Vancouver region.
  • Supported Juniper Steel belted AAA Radius servers running on Solaris10 on T5220 servers.
  • Supported and upgraded Oracle Times Ten Database running on HP-UX servers.
  • Supported Ericsson SASN servers for advanced policy configurations.
  • Performed incident, change and release management activities.
  • Used BMC Portal for performance analysis and monitoring of hardware, O.S and applications.
  • Performed firmware upgrades and Kernel patching on UNIX enterprise servers and blades.
  • Added new disks and other hardware to UNIX servers.
  • Secured and hardened passwords for root and application users.
  • Mirrored root disks and implemented RAID5 on SAN disks and volumes.
  • Supported and troubleshot MSDP runtime application / database on 3-way Solaris HA servers.
  • Increased CPU cores from 8 to 32 on HP Integrity RX8640 enterprise servers.
  • Authored scripts to automate routine work, health checks and project related tasks.
  • Opened support cases with vendors for hardware, O.S and application related issues.
  • Administered and supported IUM 5/6 on HP-UX servers for telecom GPRS data billing.
  • Administered and supported HP IUM Reference tables and HP IUM application on UNIX servers.
  • Supported Cisco CSG service gateways (SGSN’s and GGSN’s) for G3 and G4 Telecom GSM data.
  • Redirected data traffic for various APN’s among Toronto, Vancouver and Montreal regions.
  • Switched applications between active & standby HA clustered servers (troubleshooting & maintenance).
  • Performed Acceptance Test Procedures & Regression tests of hardware, O.S and applications.
  • Opened support cases with vendors for hardware, O.S and application related issues.
  • Successfully deployed Unix infrastructure Projects including: Data Day Pass, IPAD apps, Smart phones remediation, Ring Back Tones, Social networking, SASN Policy servers, IUM Roaming Enhancements.
  • Did OS & hardware remediation projects, SAN upgrades, HP IUM App & Oracle TimesTen DB upgrade.
  • Actively participated in night time activities (NCT’s and WO’s) on platforms DNS (3G, LTE and IMS), LDAP, CUDB, HSS, NTP(GPRS and LTE), M2M, MME, SGSN and SSR Platforms.
  • Captured & analyzed traces to troubleshoot issues related to the Network.
  • Worked with HP and E/// engineers to complete the activities and shake-downs during night time.
  • Resolved number of IMTs (Incident management tickets), NCTs (Network Control tickets) & PBMs (Problem management tickets) for related Platforms using necessary resources.
  • Performed 24x7 oncall rotations.

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