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Sr Unix/linux Engineer Resume

OBJECTIVE:

To integrate the professional qualification, skills and work experience in Information Technology with my personal interest and drive in the emerging concepts of Information Technology for a challenging and enriching journey ultimately leading to the value addition to the organizational goals.

PROFESSIONAL SUMMARY:

  • Over 13+ years of professional experience
  • Linux/AIX - Sr UNIX/Linux Infrastructure Engineer.
  • Mid-level experience in UNIX systems Architecture, analysis, planning, design and Implementation of Solution as per requirement.
  • Main focus on Confidential AIX, Advanced Power Virtualization, Micro Partitioning, NPIV (N Port ID virtualization), Live Partition Mobility, core Linux administration and VMware.
  • Experienced in Analysis, Planning, Design, Installation, Configuration, and upgrade of Confidential AIX, red hat Linux, SUSE Linux.
  • Experienced and knowledge in Implementation of various High Availability Solutions like Power HA, HACMP and VERITAS Cluster Server.
  • Extensive Knowledge in storage replication data facility tools like EMC SRDF, EMC Mirror View, BCV and HORCM. Experienced in multi pathing software’s like Power Path, HDLM.
  • Managing NAS and SAN storage connected with Unix Infrastructures.
  • Experienced in handling disaster recovery activities and Business Continuity Services Activities within Service Level Agreements.
  • Ability to quickly learn, adapt new technologies, client interfacing and flexible work approach.
  • Rich experience in managing heavy volumes of servers in large organizations with a standard operating model in accordance with Service Level Agreement.
  • Knowledge in Backup Tools and scripting related to regular administration work.
  • Work experience in third party applications like Control M, MQ, Control-SA, Puppet, Confidential CSM and Satellite Server.
  • Experienced in Monitoring Tools Remedy4, Remedy7, Service Now, CA uni centre.
  • Expertise in Systems Engineering & Administration, Production Support, Testing of various systems on Confidential AIX, Linux Redhat and Vmware environment.
  • SAN Management - Managing all kind of storage ie NAS, Hitachi and EMC. Storage provisions to the Servers, Zoning, Masking and, EMC BCV, SRDF and Hitachi Shadow image and true copy concepts.
  • Data Center setup and management & Project management.
  • Knowledge of Cloud Technologies. (AWS, BizCloud) and Database Technologies (Oracle, SQL, DB2)
  • Installation of HACMP/PowerHA Sysmirror 6.1 and 7.1 on respective LPARs and then configuring Resource Groups, Service IP’s, Boot IP’s & Persistent IP’s on a 2 Node Cluster.
  • Configured oracle RAC from DBA’s and created the Database Administration server on AIX 5.3 & 6.1 and 7.1.
  • Experience in Shell scripting (bash, ksh) and in writing automation scripts.
  • In depth expertise in implementation, analysis, troubleshooting and documentation of LAN/WAN network systems.
  • Configuring Tivoli systems automation (TSA) for the DB2 database which is configured with HADR.
  • Knowledge on Tivoli work load scheduler to install and setup the scheduler on the client end.
  • Building new redhat Linux servers on physical or virtual environment and provided to the business within the deadline.
  • Adept in analyzing information system needs, evaluating end-user requirements, custom designing solutions, troubleshooting for complex information systems management.
  • An effective communicator with exceptional relationship management skills with the ability to relate to people at any level of business and management.
  • Troubleshooting issues related to System Performance and suggesting corrective action plan.

TECHNICAL SKILLS:

Hardwares: Series, power6 servers (p570, p595), Confidential power 7 servers (p795, p770, p740, p710), Dell Blade Servers, EMC Storage, Hitachi Storage, and Confidential Hardware Management Consoles.

PROFESSIONAL EXPERIENCE:

Confidential

Sr Unix/Linux Engineer

Responsibilities:

  • Providing L3/L4 and architect support to large Linux/AIX Infrastructures more than 7000 Servers.
  • Doing the designing, installation, configuration and maintenance of Confidential P5, P6, P7 and P8 Servers.
  • Providing architecture and design solutions for AIX (Power Servers).
  • Doing designing, Implementing and configuration of two nodes Active-Active using PowerHA and GPFS.
  • Performed Data Centre Move activities and Migration Project.
  • Upgraded HMC firmware, frame firmware, Device firmware based on Service Level Strategies.
  • Support provided on regular base line work and Business As Usual activities like Capacity addition/Remove, Storage Addition/Remove, LVM tasks, Dynamic resource allocation and de-allocation by following proper change management procedures.
  • Build Red hat Linux servers for Oracle Real Application Clusters on Blade Servers.
  • Installation of ESX servers and Configuration of vCentre appliance.
  • Build Linux VMs, patching Linux servers.
  • Expertise in investigating problems and providing root cause analysis
  • Maintenance and Support for Confidential AIX, Red Hat Linux Servers that are installed in ESX Box and LPARs.
  • Implementation and support for AIX Servers, Linux Domain Controller (Open LDAP, samba, DNS, DHCP, NTP, Squid).
  • Administration of AIX, Red Hat Linux Servers on PowerHA Cluster solutionings.
  • Supporting Oracle RAC Servers connected with

Confidential

Sr.AIX/Linux Infrastructure Engineer

Responsibilities:

  • Provided 24/7 On Call Support to UNIX Systems, based on Service Level Agreement.
  • Support and manage UNIX production servers based on Service Level Agreements.
  • Build Red hat Linux servers for SAP environment on Blade Servers.
  • Installation of ESX servers and Configuration of vCentre appliance.
  • Storage Management NAS and SAN connected with Unix Infrastructures
  • Configuration of bonding and multipath in Linux servers and ether channel/link aggregation on AIX Servers
  • Installed fixes, updated Technology Levels and Service Packs based on Release level strategies.
  • Performed Data Centre Move activities and Migration Project.
  • Performed daily health checks and monitor the logs on Servers for automated infrastructure events generated.
  • Installed fixes, updated Technology Levels and Service Packs based on Release level strategies.
  • Upgraded HMC firmware, frame firmware, Device firmware based on Service Level Strategies.
  • Migrated Operating Systems AIX 5.2, AIX 5.3, AIX 6.1 and AIX 7.1 and redhat Linux Operating Systems
  • Support provided on regular base line work and Business As Usual activities like Capacity addition/Remove, Storage Addition/Remove, LVM tasks, Dynamic resource allocation and de-allocation by following proper change management procedures.
  • Commissioned Servers based on requirements and in compliance with Standard Operating Environment in accordance with ITIL process. Decommissioned Servers when the business unit is migrated to new environment or stopped operations.
  • Expertise in investigating problems and providing root cause analysis.
  • Provided support to application teams, database teams as and when required while their regular activities are performed.
  • Involved in SAP clones/export/refresh activities to deliver required results.
  • Performed DR tests for each client in every span of 6 months.
  • Remediated Servers based on Security audit and harden team reports.
  • Resolved user/group/ownership/profile management activities.
  • Automated regular jobs through scripts.
  • Well versed with Remedy4, Remedy7, Service Now monitoring tools.

Confidential

AIX Architect

Responsibilities:

  • Done the Datacenter migration of Confidential
  • Performing DR Drill twice in a year - to get the readiness of Disaster in real scenario.
  • Documenting challenges, suggestions and time stamp for RTO
  • Writing the DR Drill report, DR Manual and DR Closure Reports.
  • Facing the internal, external and client audits.
  • Ensuring and monitoring the Data Sync (DB and Non DB) in between Prod and DR.
  • An adaptable, experienced UNIX consultant, with a wide range of technical skills, coupled with proven project management experience.
  • Has experience on various UNIX platforms, core skills AIX System administration, Migration, Upgrade, Architecture design.
  • Believe in leading by example and a “Hands ON” approach, able to rally team out of the trickiest of problems to ensure final goal is achieved.
  • Excellent communication and presentation skills and Customer Oriented attitude.
  • Current Project in LBG with Wipro - working as a Project lead leading a big team
  • UNIX service Delivery in Lloyds TSB, worked as a Sr UNIX consultant, was responsible for end to end solution planning and delivery.
  • UNIX Performance and Delivery for Lloyds - worked in an advisory role, leading a young team through a complex OS/DB Migration project, concluding with a Zero Defect GO-Live.
  • Leading the team for UPGRADE project across LBG (from Maintenance pint of view).
  • Designing new Server based on project requirement and demands.Worked with other Team with in Service Delivery to consolidation and migration of P6 to P7 global
  • Worked simultaneously in several projects internal to Wipro Technologies.
  • Have worked extensively on AIX Implementations,
  • Team Member - Environment & Configuration team
  • Service Improvements in the existing environment
  • Customization and implementation of project requirements
  • Done the project works - to build the LPARs to implement HACMP nodes (Active-Active)
  • Implementing major changes like HACMP Build and upgradation/migration, LPAR build OS migration, VIO Build and migration, power path up gradation.

Confidential

Principal Infrastructure Engineer

Responsibilities:

  • Maintenance and Support of 3000 plus UNIX Servers (AIX, Linux, and Solaris) which are located in United states through EDS Management
  • Resolving Production issues through Global Service Desk IT Services Management System.
  • Updating Technology level and Service Packs, Installing Filesets, APARs and Fixes, LVM operations.
  • Racking Servers by raising Aperture Requests and Change Orders
  • Creation of LPARs, Configuring Virtual IO servers and Virtual IO clients.
  • Configuration of Shared Ethernet and Virtual SCSI in Dual VIOS environment.
  • Creation and Binding of Virtual Disk Resources to VIO Client LPARs
  • Binding physical disks to VIO Clients from VIO Server
  • Building/upgrading Operating Systems as Per Super Stack Standards through NIM server.
  • Modifying Partition resource Allocations through DLPAR operations
  • Installation and up gradation of Third Party applications like BMC Patrol, Control M, Control SA, VERITAS Net backup, Confidential MQ and EMC ECC Agent and EMC Power path.
  • Tuning the System Parameters as per Capacity Management Team instructions.
  • Configuration of SRDF Groups and Operations like SRDF Failover, Failback, split and Update.
  • Performing Weekend Activities like DR test, SAN migration, Firmware Upgrades and production changes.
  • Security Remediation of servers
  • Resolving Net backup Client Agent Backup Failures.
  • Assisting Internal Customers by completing change orders for their Work Orders for the tasks.
  • Handling of Crisis Calls and Providing RCA for the Problems.

Confidential

AIX Admin

Responsibilities:

  • Played a key technical role across various projects.
  • Worked effectively to manage and deliver to customer requirements within SLA’s.
  • Responsible for the day to day LVM, HACMP, LPAR, BCV Backups, SRDF, EMC disk additions and all the EMC related activities in the current project.
  • Handling two accounts - Celestica, and Confidential VLP.
  • Attending client meetings (weekly and emergency).
  • Preparing procedural documents such as weekly and other activities reports.
  • Attending change meetings, raising and implementing change requests as per requirement.
  • Installation of AIX, applying fixes, software installations, working with LVM, User Accounting, monitoring AIX server’s performance, Logs analysis for trouble shooting, HACMP, NFS Administration, Backups and restorations.
  • Administration of Red Hat Linux Servers.
  • Installation and Configuration of Apache, PgSql, MySQL for SMS and Fax server, Internet sharing through Squid Proxy, File sharing through NFS, Samba, Configuration of FTP server in Red Hat Linux.
  • Installation of SSH server for remote connections.
  • Hardening the Servers in Data Centre.
  • Scheduling and performing regular Backups for Disaster Recovery.
  • Storage Management

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