Senior Unix and Storage Administrator
Resume:
Prabir Basak
(**+yrs Linux/AIX/Unix/Storage Administrator)
Apt 47. Macon, GA 31210
Email: ******.*****.****@*****.***,
Mobile: 214-***-**** or 214-***-****
Summary
Total 15+ years of experience as AIX, Linux, Unix and Storage Administrator, of which last 6 years in USA.AWS Certified Solutions Architect (Associate)
Objective
Seeking a varied and challenging system administration position requiring new and creative applications of technology to solve functional problems.
Technical Skills
Operating System
Red Hat Enterprise Linux (RHEL), SUSE, CentOS, Ubuntu, IBM Power 6, Power 7, AIX 7.1, UnixWare, AT&T Unix
Virtualization
Red Hat Linux 6.7 running on VMware Vclient ESX hosts
PowerVM, VIOS, LPAR, Live Partition Mobility
IBM TS7650G ProtecTIER with Virtual Tape Library
SAN Storage
IBM San Volume Controller (SVC), IBM XIV, V7000,
V5300, DS8800, IBM Flash820 and Flash System 840, IBM
Flash System 900, Brocade and McData Network Director
Fabric Switch, IBM Network Advisor and DCFM SAN Zoning tools
Backup Strategy
Tivoli Storage Manager 7.1 Client End, IBM 3584
Ultra scalable Tape Library, RMAN for Oracle DB 11g
Performance and Monitoring Tools
Tivoli Storage Productivity Center
Galileo Performance Explorer
NMON analyze
LPAR2RRD
Scheduling Tools
CISCO TIDAL Enterprise Scheduler
BMC Control-M
AWS Certified Solution Architect
Shape and deliver on a strategy to build broad use of Amazon’s utility computing web services ( e.g. AWS EC2, AWS S3, AWS RDS, AWS Cloudfront, etc )
Work with Architecture council to forward new initiatives
Proactively work on improving AWS services
Improve performance and utilization of compute capacity
Assist the engineering teams by improving productivity in development, integration and automation.
Experience in building scalable and highly available distributed systems
Strong knowledge on Virtualization, CloudComputing and Web services. Experienced in creating Amazon EC2 instances and setting up security groups. Configured Elastic Load Balancers with EC2 Auto scaling groups.
Creating Snapshots and AMIs of the instances for backup and creating clone instances.
Educational Credentials
BSc from Calcutta University ( 1982 )
DEE ( Diploma in Electrical Engineering ) ( 1985 )
Certifications
IBM P Series ( AIX 5.3 )
AWS Certified Solution Architect ( Associate )
Projects
Project:Sr. System Administration (Linux, AIX and Storage)
Client:Ricoh Corporation, Macon, GA
Duration: Jan2012 to Aug2017
Responsibilities
Day-to-Day Administration of Production, and Dev/Test UNIX servers. My duties are to admin a group of LINUX ( Red Hat and SUSE ) and IBM Servers ( AIX 5.3,AIX 6.1, AIX 7.1).
Experience with Linux Servers in Virtualized environment
Experience working with LDAP services
Experience working with SSL Certificate Management
Experience in installing, configuring and maintaining services such as Bind, Apache, MySQL, etc
Proficient with network tools such as iptables
Knowledge in Hardware and Software, security and patching including automated deployments Server Software, Maintenance and Administration
Experience in Centralized builds ( patches, updates and service packs )
Experience in User Account setup and Management
Software Installs, Setup, and User Support
Experience with package management ( Zypper, Yum, apt-get install/remove )
Worked on Korn shell and written small scripts for day to day working
Installed CHEF 12 on CENTOS 7
File Systems Use and concepts, Logical Volume Management
RHEL 7 upgrade, Kernel upgrade activity
LAMPstack deployment
Apache Web server installation
All supporting about 450 both production, and development environments. Daily duties include, but are not limited to: Analyze system requirements, and recommend hardware upgrades as required. Work with vendors to provide hardware configuration, and quotes. Install/upgrade new hardware. Analysis of performance issues. Backup/Restore data via TSM/ADSM. Recommend/design/implement hardware/software upgrades as required. Analysis, and application of OS patches as needed. Add delete new user accounts. Administer disk capacity issues. Disk administration utilizing LVM technologies. Administer network access via TCP/IP, Samba, NFS, NIS, LDAP, etc. Interface with customers, and vendors as required.
My daily duties are to monitor systems, and troubleshoot where necessary to maintain 99.9% uptime.
Systems supported: Linux, AIX, Support provided could involve the full range of systems diagnosis, hardware failure detection, and correction, as well as resolving performance issues, and application support.
Excellent communication skills and ability to work with users on Software, both Internal and External
Project: Linux/AIX System Administration
Client: Citibank, Irving, Texas
Duration: Sept 2011 to Jan 2012
Responsibilities
Experience in installation, configuration, tuning, security, backup, recovery and upgrades of IBM AIX.
Networking knowledge including routing, connectivity troubleshooting
Installed CHEF 12 on CENTOS 7
Experience in Installation and configuration on IBM System P p690/p650, p5-570, p5-550,p5-55A and p6-570, RS-6000 Servers.
Experience in installation and configuration of Virtual I/O Server (VIOS) 1.1,1.3,1.5.
Experienced in AIX Migration Installation, Preservation Installation and Complete Overwrite Installation using CDROM and configuring NIM Server.
Experience in installation of AIX in an LPAR environment pSeries.
Experienced in Administration Concepts such as Virtualization and logical partitioning
( LPAR) of CPU, HMC usage, Workload Manager
Expertise in SMIT, LVM, Mirroring, Paging Space management, job scheduling, Performance monitoring, Error logging, Diagnostics, and Fine-tuning.
Experience in DNS, NIS, NFS, Send mail, ftp, remote access, security management, and system troubleshooting skills.
Experience in setting up SSH, SCP, SFTP connectivity between UNIX hosts.
Good understanding of error logging subsystem and Performance Monitoring tools like vmstat, iostat, netstat on AIX 5L.
Familiar with Tivoli Storage Manager (TSM) for backup automation with policies configuration for Web based databases, setup consisted of server and client backup with progressive backup methodology
Expert in configuring a TCP/IP network on AIX, creating mount points for Server directories and mount these directories on AIX servers.
Resolved many Application Startup problems, PATH problems, and Name conflicts, TCP/IP, LAN /WAN, Sys logging and Networking Problems.
Excellent in troubleshooting and Maintaining AIX and Patching.
Experience with working in Production, Development and Testing environment.
Team player with excellent communication and inter-personal skills.
Responsible for Remote AIX Support With more than 2000 servers.
Provided 24x7 supports on shift rotation basis.
Installation and configuration of NIM master server and clients.
Creating lppsource and SPOT for client on NIM server.
Installing OS on NIM clients using NIM Server.
Project: AIX System Administration
Client: TESCO HSC, Bangalore
Duration: July 2010 to Aug 2011
Responsibilities
Drawing upon concepts of tools, technologies and methodologies to collaborate with other technical specialists when carrying out assigned duties.
Effective negotiation with technical peers and customers to implement technical solutions
Maintaining skills to the current industry level of certification
Recognizing and articulating job related problems to management.
Analyzing technical problems and creating solutions involving the use of existing techniques and/or tools
Performing assigned tasks in accordance with established standards and guidelines. Preparing and recommending technical alternatives involving technology, methodology, tools, processes and solution components
Challenging the validity of given procedures and processes with the intent to enhance and improve a customer solution.
Assisting in the identification of new service opportunities
Assisting the Project Manager by providing a technical project coordination role
Liaising with relevant support teams for all clients to ensure they are informed about relevant progress and issues relating to Unix server to be handed over for server management to ensure a smooth transition.
Abiding by Change Management and Problem Management procedures, including complying with the Service Level Agreements as documented in the Problem Severity matrix.
Act on Day to Day House Keeping tasks by using tools & scripts
To able to perform in 24 x 7 Environment in shift roaster
To able to attend calls on-call basis whenever assigned
Project: AIX System Administration
Client: Capital One thru IBM India,
Duration: Nov 2009 to Apr 2010
Responsibilities
System administration and Support for IBM p-Series servers, HMC setup and configuration, AIX OS installation / Migration / Cloning.
Managing p-series IBM AIX 5.1, 5.2 and 5.3 Production Servers with HACMP Clustering.
Provided production support for P5- 595 & 570 with LPAR environment through HMC.
Designed, implemented and configured Logical partitions (LPAR) and Dynamic logical partitions (DLPAR) on Power5- 570 and 595 systems using HMC.
Day to day server management which includes Disk Management, LVM Management, User Management, software installations, job scheduling, Backup and restorations, shell scripts, monitoring and finally sending various reports to senior management.
Servers monitoring and performance tuning
Creating Change Orders and performing them through HPSM and monitoring Peregine ticketing system.
HACMP is implemented on p595 for IPAT and application in mutual takeover. Testing HACMP of running production servers. Creating, Increasing and managing file system sizes
Synchronize the HACMP cluster, Adding, Increasing the file system space in HACMP environment.
APAR, PTF, ML and TL upgradation and management, File system and logical volume planning and configuration.
Network maintenance, System backup and restore, Shell scripting, New system planning, System related problem determination and resolution.
Keeping the complete backup of the system and restoring data in the event of disk failure using NIM in LPAR environment.
Managed Maintenance levels of AIX Servers Controlling and monitoring system process.
Also running performance manager to collect the performance view of the system.
Performs system backup using mksysb
Project: AIX System Administration (L3 Support)
Client: Schneider Electric, Mumbai thru Capgemini
Duration: March2007to November 2009
Responsibilities
System administration and Support for IBM p-Series servers, HMC setup and configuration, AIX OS installation / Migration / Cloning.
Managing p-series IBM AIX 5.1, 5.2 and 5.3 Production Servers with HACMP Clustering.
Provided production support for P5- 595 & 570 with LPAR environment through HMC.
Designed, implemented and configured Logical partitions (LPAR) and Dynamic logical partitions (DLPAR) on Power5- 570 and 595 systems using HMC.
Day to day server management which includes Disk Management, LVM Management, User Management, software installations, job scheduling, Backup and restorations, shell scripts, monitoring and finally sending various reports to senior management.
Servers monitoring and performance tuning
NIM installation on AIX in LPAR/DLPAR Environment.
Installation of remote clients through NIM Master Server
HACMP is implemented on p595 for IPAT and application in mutual takeover. Testing HACMP of running production servers. Increasing and managing file system sizes
Synchronize the HACMP cluster, Adding, Increasing the file system space in HACMP environment.
APAR, PTF, ML and TL upgradation and management, File system and logical volume planning and configuration.
Network maintenance, System backup and restore, Shell scripting, New system planning, System related problem determination and resolution.
Keeping the complete backup of the system and restoring data in the event of disk failure using NIM in LPAR environment.
Managed Maintenance levels of AIX Servers Controlling and monitoring system process.
Also running performance manager to collect the performance view of the system.
Implemented and maintained NIS and NFS and AutoFS with roaming profile for users.
Maintained intranet DNS environment Domain Name Servers for all environments available
Performs system backup using mksysb
Implementing NTP and NSM in all LPARs
Duration: 2001 -2006
Project: Highly Available Cluster Multiplexing(HACMP) Implementation
Client: Hero Honda, Daruhera Plant, India
Responsibilities
Installing AIX 5.3 on both IBM RS6000
Configuring all network interface cards on both machines according to HACMP requirement.
Defining BOOT IP, STANDBY IP, PERSISTENT IP and SERVICE IP according to HACMP requirement.
Configuring /etc/hosts file according to HACMP requirement.
Installing HACMP 5.2 on both machines.
Configuring IPAT with IP aliasing to make IP address highly available.
Deciding priority list, setting Fall over and Fall back policy.
Configuring Share VG using a common storage SSA box.
Project: AIX Administration
Client: Standard Chartered Bank, Chennai
Responsibilities
Installation and Configuration of P520 servers, configuring LPARs using HMC, Implementing AIX 5.2, and application of ML/APAR.
Configuring SSA 7133, T40 storage.
Creation of File system and logical volume in local disk drives
Configuration of DNS, NIS, NFS.
Configuring Network printers and managing the print queues
Backup/Restore Strategy Planning and Implementation
Installation and configuration of HACMP 5.2
Addition of new user accounts, creation of user groups and setting up file permission and Security to new users and groups
Identifying the system bottlenecks viz. CPU, Memory, I/O Subsystem
Project: AIX Administration
Client: IIT, Delhi
Responsibilities
User administration.
Creation of Volume groups Logical Volumes on need basis.
File system management.
Configuration of NFS.
Installing various fixes.
Security Management (file/directory permission setting).
Daemon & Process management (stopping, starting, refreshing).
Scheduling jobs through Crontab atsystem performance monitoring.
Process management (Stopping, starting, refreshing).
Taking rootvg backup using mksysb.
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