Resume

Sign in

Senior Unix and Storage Administrator

Location:
Gurugram, Haryana, India
Salary:
$100000
Posted:
January 20, 2018

Contact this candidate

Resume:

Prabir Basak

(**+yrs Linux/AIX/Unix/Storage Administrator)

**** ******** *****

Apt 47. Macon, GA 31210

Email: ac336v@r.postjobfree.com,

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.



Contact this candidate