Dhriti Basu Mallik
EKTP Phase IV,
Manjulika Housing Cooperative Society,
Cluster – B, Flat: C 27/3,
EM Bypass,
Kolkata 700 107
dhriti@vsnl.com
Phone: (091-033) 24430588
Mobile:
Profile:
Nearly 6 years of experience in the field of Systems administration on different platforms, mainly,
Sun Solaris, Linux and Windows based systems and also expertise in networking (LAN/WAN),
Router, switches, and hubs. Brief exposure to AIX and HP-UX based systems.
Work Experience:
Hinditron Cray Supercomputers (India) Pvt. Ltd.: Maintaining of Cray X1E and Systems at
National Center for Medium Range Weather Forecasting.
eForce: Administration of mixed Unix environment consisting of Sun Solaris, HP-UX, AIX and
Linux platforms. Maintaining Windows 2000 Domain with Active Directory. Handling Checkpoint
Firewall.
OIL, Team Centre, Duliajan: Contract with Wipro: Administration of Sun E3500 Servers and
Sun Ultra 60 Workstations handling Seismic Data Analysis and Cisco Lightstream 1010 Switch
and 2900 Catalyst Switch for high speed data transfer. The Sun machines are running Solaris
OE.
Convergence Contact Center: Handling of Windows NT servers and PCs,
Linux, AIX.
Techna Digital Services Pvt. Ltd: Configuration of the domain techna.co.in and techna.ac.in
on Sun and AIX based systems, and internal domain on Windows NT.
World Wide Web Institute: Network (LAN/WAN) setup, domain implementation of Windows NT
Servers with Microsoft BackOffice products.
Karrox Technologies Limited: Network Administration, maintaining the Windows NT Server &
nodes.
Techna Digital Services Pvt. Ltd: Basic Network troubleshooting, maintaining Windows Nt and
Windows 95 machines.
(For details please refer to the annexure.)
My technical expertise lies with:
Hardware:
Sun 3500 Enterprise Server
Sun Ultra 60, Sun Ultra Enterprise 2
Sun 1000, Sun 5 and Sun Classic based Systems.
Cisco 2501 routers
Cisco Lightstream 1010 ATM Switch
Cisco 2900 Switches.
Baystack 35T-24 Switch
Compaq Prolient M 370
Intel Based Systems.
IBM 320 Power Server
Operating Systems:
Sun Solaris 7 and 8.
Windows 2000/NT.
Linux 6.x and 7.x.
Cisco IOS 11.0 and 12.0
AIX 4.3
HP-UX
Basic Shell Scripting
Education Qualification:
Bachelor of Commerce from the University of Calcutta in June 1993.
Professional Certification:
Cisco Certified Network Associate (CCNA)
Sun Certified Systems Administration (Part I & II).
Microsoft Certified Systems Engineer (MCSE)
Brainbench Certified: Brainbench Certified TCP/IP Administrator
Training on Windows 2000 Advance Server, Server and Professional Versions.
Advance Diploma in Software Applications from Tata Infotech (2years course)
Annexure:
Details of job descriptions:
Hinditron Cray Supercomputers (India) Pvt. Ltd.,
Customer Support Specialist (January 2006 - )
Working on:
Support and Maintenance of Cray X1E Systems at National Center for Medium Range
Weather Forecasting, New Delhi.
EForce,
Senior System Administrator (October 2003 – December 2005 )
Worked on:
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Sun Solaris: Administration of
 Sun Enterprise E450 and E220 Servers, also Ultra 10 and Ultra
5 Workstations . Installing of softwares and patches.
Troubleshooting user problems. These systems are running
Solaris 8 OE or Solaris 9 OE.
 Installation and Maintenance of Solaris Servers of Blue Cross
Blue Shield project at US and Indian Location.
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Red Hat Linux: Administration of
 Red Hat Linux 7.3, 8 and 9. Also handling of Red Hat Linux
Advanced Server 2.1. Installing and maintaining servers running

these Linux servers. Maintaining internal DNS and daily work of
user problems.
Worked as a team member in AMD Project at Austin, USA with
50 Redhat Linux AS 3 Servers running on Sun Fire Hardware.
 Creating custom rpm packages with rpmbuild.
 Controlling system wide file maintenance with Cfengine
 Maintaining system wide software repository with Yum.
 Running WebLogic on the Servers.
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HP-UX: Administration of
 HP-UX 9000 Servers live HP Visualise, D Class, and E25
Servers. Tuning, installing softwares and patches. These
systems are running HP-UX 10.
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IBM AIX: Administration of
 IBM RS/6000 44P 170 and 44P 270 Servers running AIX 4.3.
Installing patches and softwares..
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Windows 2003/2000/NT: Administration and Support of
 Windows 2000/NT Servers running various project applications.
Maintaining the servers and adhering to users problems.
 Clients used Windows XP and Windows 2000 Professional.
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Configuration and Maintenance of Cisco Routers, 3Com Switches
Maintaining of Packeteer, Packet Shaper 2500
Maintaining Netscreen Firewalls
Installation and Configuration of WebLogic Servers (Clusters) on RedHat AS 3 Servers.
Using Yum, Cfengine and building custom rpms
Brief exposure to handling MAC OS systems.
Onshore support at our Redwood City, CA and Houston, TX offices USA for various
projects.
Worked with onshore team with clients like AMD, Blue Cross Blue Shield, eTeam, DHL.
OIL, Team Centre, Duliajan,
Contract with Wipro,
Customer Support Executive (February 2003 – September 2003)
Worked on:
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Sun Solaris: Administration of
 Sun Enterprise 3500 Servers, with NFS mounts, used for Seismic data
analysis. (OS –Solaris 8)
 Sun Ultra 60 Workstation and 1 Sun Ultra Enterprise 2 Workstation used
for Seismic data analysis. (OS –Solaris 8)
Sun Multipack: Maintenance of 18.6 X 6 Sun Ultra SCSI Multipack
Cisco: Maintenance of
 Cisco Light Stream 1010 ATM Switch
 Cisco Catalyst 2900 Switches.
Plotters: Maintenance of 1 HP2500 Plotter.
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Tape Drives: Maintenance of
 2 M4 data 9 track open reel tape drive,
 5 M4 data IBM 3490 cartridge drive (each Sun Ultra 60 W/S
had one connected),
 1 SUN 8MM Exabyte mammoth tape drive,
 2 SUN 4MM SCSI DAT drive (one external & 1 internal)
Scanners: Maintenance of Contex Scanner
Basic handling of SGI Irix Systems
Convergence Contact Center
System Administrator (October 2002 – January 2003)
 Handling of Windows NT servers and PCs
 Nortel Switches
 Linux
 AIX.
Techna Digital Services Pvt. Ltd.
Jr. Engineer - Systems (November 2000 - March 2002)
Worked on:
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Sun Solaris: Administration of a Sparc 1000 Server, Mail server - Sendmail, on Sparc 5
Server, DNS server. NIS and NFS on Sun Classic based system.
Linux (Redhat): Administration of a NIS domain of 25 nodes with NFS. Management of
internal Web and FTP server. DNS server administration. Sendmail configuration.
Windows 2000 and Windows NT: Administration of around 90 nodes with mixed
Windows 2000 Professional, Windows NT Workstation and Windows 9x with a domain
controller. Deployment Web and FTP server. Creating a multihomed server for routing of
internal segments.
Sendmail: Management of mail servers based on Sendmail on Solaris, Linux and AIX.
Exchange Server 2000: Deployment of Exchange Server 2000 with ADS on Compaq
Prolient M 370 Server for a subdomain.
AIX based systems: Management of DNS and Sendmail on AIX based 320 Power
Servers. Acquaintance with SMIT.
Configuration and Maintainance of Cisco Routers.
Configuration and Maintainance of Nortel Baystack Switches.
DNS, NFS, NIS on Unix based systems.
Microsoft Back Office on Windows NT 4.0 and Windows 2000 Server.
Microsoft Internet Information Server .
Proxy Servers: Microsoft Proxy 2.0 and Netscape Proxy 3.5.
Networking: Cabling , LAN/WAN setup.
Brief exposure to Apache and Netscape SuiteSpot.
World Wide Web Institute
System Administrator (July 1999 - October 2000)
Worked on
 Windows NT Server 4.0: Domain management.
 Network of 20 client , Cabling
 BackOffice servers: IIS 4, Exchange Server 5.5, Proxy Server.
 Configuration of ISDN Zyxel modem
 Maintaining Linux Systems
Karrox Technologies Limited
Technical Trainer (April 1999 - May 1999)
 Looking after the network.
 Suggesting possible betterments.
 Technical Trainer.
Techna Digital Services Pvt. Ltd.
Systems Trainee (March 1998 - December 1998)
Worked on
 Basic network and System support
 Windows 95, Windows NT Server 4.0, Workstation 4.0
 Network problems
Non IT related job history
Hansa Telelinks Pvt. Ltd. (1995-1996) as Marketing Executive
Asian Scales & Engineering Corporation (1993-1995) as Accounts Personnel.
Others:
Schooling:
Assembly of God Church School
Date of Birth:
16th November 1972