ASHISH KOTHARI
[email protected] (617-816-0602)
Microsoft Certified System Engineer
(MCSE)
Cisco Certified Network
Administrator (CCNA)
BS in Computer Sciences,
MS in Information Systems,
Northeastern University,
·
Over 6 years of experience as UNIX / AIX (5.x) Administrator.
·
High level of expertise on IBM Regatta p670/680 & 690
series with LPARS technology.
·
Extensive experience in configuration and implementation of
E-commerce environment including Web sphere, java etc.,
·
Extensive experience in Installing and managing RISC as well
as CISC based Systems. Comprehensive background in the installation, upgrade,
configuration, rollout and support of hardware, software, peripheral and
network devices and infrastructure in AIX, RedHat EL4 UNIX and Windows NT4.1/ 2000/2003
environment.
·
Extensive experience defining and documenting user
requirements, defining technical needs, and developing and documenting high
level designs and detailed technical designs.
·
Experience in
Installation and configuration of IBM machines with AIX 5L
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Experience in
Installed and configured IBM eServer p690/p650, p550
/p590.
·
Experience in
installation, configuration, Troubleshooting and administration of AIX 5L and
4.3.
·
Experienced in
installation and configuration of IBM Blade servers (JS20 and HS20).
·
Good Experience in AIX
Migration, Installation, Preservation and Complete Overwrite Installation.
·
Excellent in build,
performance, troubleshooting and Maintaining AIX and Patching.
·
Strong in LVM (Storage
Methodology), Performance monitoring, Error logging, Diagnostics, Dumps and Fine-tuning.
·
Good experience in Administration
Concepts such as Virtualization and logical partitioning of CPU, DLPAR, HMC
usage, Workload Manager
·
High Availability
Setup, Setting up HACMP clusters, Designing and configuring Resource Groups,
Event usage and customization.
·
Administration, Monitoring
and logging functions, User/Group administration, Usage scenarios of HACMP,
Reduce planned downtime, Reduce unplanned downtime, Increase Maintenance
availability
·
24X7 on-call
production support and trouble shooting problems related to IBM AIX P series
servers like p520, p550, p570, p595, etc…
·
Extensive customer
interaction that includes communication and support.
·
Excellent organizational, planning, and problem-solving
skills.
·
Team player with excellent communication and inter-personal
skills.
·
Excellent in
troubleshooting and Maintaining Cisco Router and Switch
HARDWARE
PLATFORMS IBM
RS/6000, SP2, p670/680/690(Regatta) series, p520/550/570/590, Dell PE
2650, EMC Symmetrix ,Connectrix,
FaST,DS8100,DS4300, F20/40, HACMP, Cisco 6500 catalyst switch, Netscreen 5GT,
Netscreen -25/50 baseline.
OPERATING
SYSTEMS VIOS, AIX 4.3.3.0/5.x, Sun
2.6/2.8/2.10, Windows 2000/NT 4.0, Mac 9.0.4/x, Netscape server 3.x/4.x, Red Hat Linux 9, Fedora core 4,
Red Hat Enterprise AS 4.0 and Red Hat Enterprise As 3.0,Open BSD 3.2 to 3.5.
Windows XP/NT/2000/2k3, Cisco IOS
SOFTWARE EMC Power Path, Remedy ticket system, SDD/MPIO
(Subsystem device drivers), DS 4100/6000/8100, Flash Copy, PPRC.
Responsibilities:
·
Installed and upgraded operating
systems for AIX
4.3.3-5.1/ 5.2, 5.3.
·
Planned and configured SAN environment for TSM and DS81000 storage servers and Brocade fibre switches.
·
Skilled with IBM Regatta p670/680
and 690 series.
·
Installed and configured VIOS
·
Installed and configured Logical
Partitions technology (LPARS).
·
Installed and configured HACMP 4.5 and 5.0
·
Installation and Configuration of NIM
·
Build Servers using NIM.
·
Configuration & maintenance of
HACMP clusters
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Configuration of Application Server in resource group
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Monitoring cluster health by
checking logs files
·
Installed Firmware upgrades on the servers.
·
Installing OS AIX 5.3 ,AIX 5.2 on
each Node using NIM
·
Applying fixes and ML and
Daylight Saving changes.
·
Supported hardware including IBM
BladeCenter blade server hardware HS20, HS40, and JS20s(PowerPC)
and older IBM RS6000 (models F50 and 43P)
·
Experience in pSeries hardware; p5
570 (64-bit POWER5+ and POWER5 processors based) symmetric multiprocessing
(SMP); p5 550 and management for xSeries BladeCenter Servers JS20 /HS20;
pSeries (POWER4 processor-based)
·
Creating mirror at oslevel for rootvg
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Creating/managing file systems
sizes.
·
Installing configuring performance
meter to take exact view of system performance.
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Planning configuring storage using
LVM.
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Setting up and deploying security
standards, TCB etc.
·
Installed TSM5.2 on AIX5L,Design TSM server
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Creating acl’s
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Creating Hardware calls and PMR’s
for part replacement and closing tickets with problem fixes.
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Solving unix operation tickets using Remedy ticketer.
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Executed OS installations and
upgrades.
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Skilled with IBM pSeries Regatta and LPARS.
·
Installed, configured and
administered TSM server and around 200 Unix and
Windows clients.
·
Installing and configuring powerpath on AIX for calriion and
symmetrix.
·
Authored installation
and configuration of Subsystem Device Driver (SDD) for Dual Path (Virtual Path) Interface.
·
Affected configuration of GigaBit Ethernet Interfaces on all TSM servers.
·
Administered Tape Library and
converted from SCSI tape drives to Fiber interface
Tape Drives.
·
Instituted logical volume and disk
management.
·
Utilized KSH and Perl for
scripting.
·
Client interaction
Environment: VIOS, AIX 5.3/5.2/5.1/4.3.3, Solaris
2.6/2.8, P4Series,RS/6000 F50 Server, p670,
P5series p590, p550, SDD 1.2.0.4, TSM
Server 5.2, Clients 4.1, ATL7100 tape library, Perl 5.6, KSH, BASH.
Walmart – IBM (Datacenter Operation Specialist)
Jan 2003–Jun2003
Responsibilities:
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Disk Space management using LVM and VERITAS Volume Manager.
·
System Performance monitoring.
·
Creating File systems, mirroring.
·
User management, security planning
and implementation.
·
High Availability Management.
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Backup and Restore Management.
·
Callout Support
·
System Performance monitoring.
·
Installation, Configuration &
Upgrade of Solaris,
AIX, RedHat AS3 operating systems running oracle
Database.
·
Installation Packages and patches.
·
Monitoring System using HP/ITO. Do
kernel tuning to enhance the system Performance.
·
Configuration and Administration
of DNS,
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Installation, configuration and
remediation of various Security software.
·
Installation and configuration and
maintenance of Netscape and Apache web server and Samba Server.
·
Configuration and administration of
mail server, Sendmail, SNMP/POP Configuration and Email user account
maintenance.
·
Worked with internal and external
customer to resolve different System Isuues.
·
Worked with different hardware and
software vendors to troubleshoot the hardware and software problems.
·
Worked with vendors for hardware
troubleshooting, part replacement, rack mounting the systems.
·
Jumpstart Configuration for Solaris and Kickstart
configuration for RedHat AS3.
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Writing Shell for automation of
job, system monitoring and error reporting.
·
Configuration of Hardware and
Software RAID. Disk replacement and File system recovery.
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Worked on EMC disk storage to
allocate disk space.
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Working experience in multiple
datacenters.
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On call pager rotation to support
24/7 applications.
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Planning and setup of Disaster Recovery Servers.
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Trouble shooting of day-to-day
system and user problems
Developed and deployed backup strategy using TSM environment on over 1000 Unix and Wintel boxes.
·
Performed TSM administration on TSM Master and clients
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Implement backup schedules and
policies to meet customer
·
Document backup policies and
procedures for backup routines, schedules and restore policies.
·
Experience in setting up Secure
Shell (OPENssh).
Exposed to ITSM and process of handling tickets
·
Maintain and develop web proxy
configurations for web access.
·
Proficient in performance
monitoring and tuning in Sun SPARC Systems
Environment: Dell
PE-2650, Cisco 9500, Brocade Silkworm, AIX 5.1, 4.3.3, p690, p650,
p630, TSM HACMP
iCC Systems (AIX/Linux/Windows Administrator)
Jan 2001 to Dec 2003
Responsibilities:-
·
Responsible for installation,
troubleshooting and maintenance of 45
AIX 4.x/5.1/5.2 servers.
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Clustered multiple servers using HACMP V4.5
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Responsible for event processing,
change management and problem determination in HACMP environment.
·
Upgrading the microcode level and maintenance
level.
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System & Backup management
using IBM ADSM Backup Server.
·
Responsible for the operation,
maintenance and integrity of a distributed, networked AIX based environment
·
IBM RS/6000 SP System Software
Maintenance, AIX System Dump Generation and sending System Dump to
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AIX System Administration using SMIT.
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Setup and configured network
TCP/IP on LINUX and AIX servers including RPC.
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Experienced in installation and configuration
of HACMP.
·
Installation/Administration of
TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as
per the client’s requirement.
·
Logical Volume Management (LVM) of AIX
·
Predefined and Customized Volume
Group management on AIX.
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Disk Management on AIX using SMIT.
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Installation and Administration of
·
Disk Replacement Strategy on AIX.
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Performance Management & Tuning of AIX
/UNIX Kernel.
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Managing cron
jobs, batch processing and job scheduling.
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Software installation and
maintenance.
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Security, Disaster Recovery, users and groups administration.
·
Networking service, performance, and resource
monitoring.
Environment: Hardware: IBM RS/6000 – 6C4, B80, p640, F50 O/S: IBM AIX 5.2
Exit 33 (Network/Windows Administrator)
Jan 1999 to Dec 2000
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Support of multi flavor Unix environment (viz. AIX,
Solaris, Linux and windows)
with various responsibilities.
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Managing IS infrastructure for 16
online stations in
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Managing IS infrastructure for 8
online stations in Mediterranean region.
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Maintenance and upgrade of network and IS infrastructure in the region.
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Server configuration and desktop
support.
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Responsibility of system
integration of new offices (stations and airport).
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Troubleshooting of network,
hardware and configuration related problems.
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Migration of SDLC LINK to Framerelay link for all the
station and configuration of SNA server for TCP/IP network.
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Experienced in System startup and
shutdown processes, POST tests, System startup in auto, manual, reconfigure and
interactive modes. Performed maintenance mode operations.
·
Experienced in performance
analysis, monitoring and tuning kernel, TCP/IP
and NFS parameters.
·
Experienced in System Resources
Management, which include Disk, Memory, paging space, CPU and other
resources on the system.
·
Experienced in setting up of State
Database Replicas, concatenation, striping, mirroring and raid5 Meta Devices,
creation of file systems using Sun OS and Compaq Smart Card arrays
·
Experienced with management of
exported lists (files & directories), remote-mounting operations,
handling NFS daemons, monitoring NFS information and statistics.
·
Experienced with system
backup and restoration utilities. Implementing different backup
strategies for different purposes, Writing backup and restore scripts, handling
tape problems.
·
Installed and configured local,
remote and network printers, plotters and digitizers. Setting up the queues and
Error log analysis.
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Experienced in setting up DNS,
WINS, and
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Involved in setting up of Exchange
server and Unix mail server.
·
Involved in utilizing the
resources on windows Servers (viz. printers and plotters) from the Solaris
servers by implementing Samba
·
Troubleshooting of the network and
servers and attending the day-to-day help desk activities.
·
Involved in Ms Sql Server Administration. Experienced with
installation and the creation of Database, Tablespaces,
users, control files, redolog files, etc., Tablespace Management, creation of listeners, DB-Links, Materialzed views, etc., logical export and Import, taking
cold and Hot Backups and backups and recovery and troubleshooting, etc.
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Involved in Vendor Management,
evaluating Products and building matrix with parameters such as Price v/s
performance v/s Features v/s requirements and use.
·
Gained Good Experience in project
management, capacity planning and disaster recovery.