Senior Team Lead System Administrator-AIX - IBM INDIA Pvt Limited / Kyndryl Solutions Pvt Limited - Astha SEZ, Greater Noida
(2013-04)
Performed as an AIX specialist and Team Lead assigned to NAB, Australia account with critical applications like SWIFT, Control-M, GMM, MLC etc. In 10 years, completed successfully various upgrade projects, new installations, Data Center migration, Disaster Recovery and providing infrastructures support in BAU as key subject matter expert and Senior team lead.
- Installed Power 8 and Power10 frames which include HMC, VIOS, NIM, Novalink, PowerHA and AIX LPARs / IBMi LPARs in complex environment of client.
- Install/Modify/Add/Change on Power 8 and Power10 Servers
- Install/Modify/Add/Change on Power 7 Servers.
- Worked with infrastructure architects, Application and Database Teams on projects design and provided best practices from perspective of AIX and P-Series servers.
- Performed many migration works of servers along with storage across Frames and datacenters.
- Trouble shooting of escalated complex technical issues.
- Implementing Backup systems like NetBackup and TSM on AIX servers
- Design and built Disaster Recovery setup for various critical applications, executed routine business continuity tests, and done actual DR activity.
- Performed AIX OS pattern design to standardize the deployment on new servers.
- Implemented PowerHA 7.1.3 SP3 using 2 nodes and 4nodes on Power7 and Power8 Platforms. Resolved many complex problems of PowerHA which is implemented with cross site mirroring.
- Liaise with vendor's support team on immediate fix and resolution. Lead, coordinate, and participate in key process improvements for all Unix environments throughout the organization.
- 24x7 Support to NAB, Australia as and when required.
- Server hardening, Security audit, PEN testing and remediation, worked as key member in cyber security audit team of Bank and provided best practice from AIX perspective. Got appreciation from clients.
- Writing and deploying shell scripts for automation of routine work.
- Planned and implemented OS upgrade from 6.1 to 7.2 of 75 servers with shortest duration and almost nil issue. Have got appreciation from NAB management.
- Planned and implemented migration of 80 nos. virtual servers from Power7 Frames to Power 8 Frames with minimal cutover duration.
- Leading a team of AIX specialists to provide the best support to clients.
Senior AIX Administrator - DCM Data Systems - Gurugaon, India
(2006-10 - 2013-04)
Perform as Senior AIX specialist assigned to the Client: RICOH – USA (offshore project) for AIX server build and administration, patch management, Server migration and other BAU tasks.
- Installation and configuration of dual IBM VIOS for fail over setup, control channel configuration. NPIV configuration.
- LPAR creation and configuration with virtual Ethernet cards, virtual FSCSI cards, SAN Boot, Multipath software SDDPCM installation and configuration.
- Host registration, LUN creation and mapping to hosts on San Volume Controllers.
- Installation of AIX 5.3 / 6.1 /7.1 and configuration for various applications.
- Administration of around 480 servers.
- Server migration from P5 / P6 server to P7 /P8 series servers with rootvg and datavgs.
- AIX TL upgradation.
- VIOS level upgradation.
- GPFS configuration and maintenance.
- Server performance monitoring and tuning.
- TSM client installation and registration with TSM servers, backup and restoration of data.
- Preparing CRS, host installation documents, CMDB creation / updating.
- Monitoring service requests through tools like Remedy, Service Now and Control-M and solving them.
- Installation, configuration and administration of AIX on servers at Noida and other remote locations like Delhi and Pune.
- Install/Modify/Add/Change on IBM Power5 -P595, P570, P520
- Creation of LPARs, VIOs, allocation and managing resources in between LPARs
- Creation of Volume groups, Logical Volumes and file systems on local disks and Hitachi storage LUNs
- Taking rootvg backup using mksysb of all servers every month.
- Scheduling various jobs through Crontab.
- Applying various fixes, MLs and upgrading firmware.
- OS security management and regular audit in compliance with organization policy.
- Print server implementation including remote print server and queue administration
- Created various shell scripts for system monitoring, sending alert mails to user groups, automated backups etc.
- Server Performance monitoring and tuning using various tools in an ERP environment with high data volume and CPU load.
- Successfully implemented 2 nodes active-active HACMP multiple clusters with shared VG, disk heartbeat, Oracle DB as application, IP networking in complex VLAN setup with CISCO L4 switches (4506)
- SAN implementation: SAN switch configuration, zone creation, fabric creation, etc.
- Installation of NetBackup master server, clients & Media Manager servers, Backup and restoration through NetBackup, creation of policy, scheduling for backup on tape library IBM 3584, IBM VTL, trouble shooting of various problems.
- Capacity planning, consolidation, and server migration as per need of the organization
- Planning and implementation of policies and procedures for disaster recovery and business continuation by protecting the organization data and making availability of technology infrastructure.
- Leading the team to achieve the project objectives to the satisfaction of all stake holders in a 24x7 environment.
Area Manager -Services - PCS Technology Limited - Patna, India
(2004-09 - 2006-09)
Perform as Senior Unix specialist for server build, UNIX installations at various customers including nationalised banks of India.
- Installed UnixWare on IBM Server with multiple HDDs, DAT backup systems.
- Configured TCP/IP network to connect nodes and other servers on network.
- Configured the OS for accessing printers.
- Installed Net VT terms utility on nodes to access the server.
- Transferred old data through FTP from standby server.
- NFS installation
Business Manager- Services - Spice Net Limited - Kolkata, India
(1992-02 - 2004-09)
- Participated in the Installing, monitoring of hardware and software resources usage and optimization.
- Diagnosed more complex hardware and software faults, initiated corrective action.
- Installed SVR-IV (Unix OS) on Olivetti Servers
- Connected dumb terminals, modems with specialix card.
- Configured the OS for accessing printers.
- Trouble shooting hardware and software faults.
- Configuration of backup system to be taken on local tape drives.
- Configuration of OS as per requirement of application team
Self employment
(1990-10 - 1992-01)
Asst. Manager - Production - PSI Kalinga Ltd - Bhubaneswar, India
(1986-09 - 1990-08)
PC manufacturing, testing, QA etc.
- Install and administration of Xenix on PCs
- Trouble shooting of hardware and software issues.
