Technical Support Management

Siddhartha Das

P.O. Haridevpur.

Netajipolly. Nonamath.

Kolkata-700082

Contact No.: 096******** Email: ************@*****.***

Summary: -

Experience in Datacenter Server administration, installation and troubleshooting in Redhat Enterprise Linux and HP-UX environment.

Skill Set: -

Redhat Enterprise Linux:

Deploy, configure, and maintain systems of Redhat Enterprise Linux, including software installation, update, and core services.

Conversant with file system management in Linux with Software RAID, LVM, VxVM.

Storage allocation from FC connected SAN, shared disk allocation from vSphere.

Configuring system to provide networking services, including HTTP/HTTPS, FTP, NFS,Samba,DHCP,DNS,SSH,Squid,OpenLDAP,iSCSI,Multipathing in RHEL.

Conversant with Backup & Restore Procedures in Linux using native utilities.

(tar,rsync,dd).

Conversant with User and Group Management in Redhat Enterprise Linux.

File System attributes, such as permissions, encryption, access control lists.

Concept of Kernel configuration in RHEL.

Server update/upgrade and patching

Package management with RPM, YUM.

Redhat HA Cluster Configuration, management (Conga,ccs_tool,cman_tool,clusvcadm).

Manage security, OS Hardening, including basic firewall and SELinux configuration.

Troubleshooting Experience

Network Administration

Knowledge Class-A, B, C Networks

Configuration of NICs bonding

Performance monitoring of OS in RHEL.

Experience in Troubleshooting O/S, software Issues.

Basic Shell Scripting.

Providing technical support in Linux to end-user for production and development project environment.

Remote/On-site telephonical support on system administration.

Consulting support for on-site hardware expansion and upgrades.

HP-UX:

Conversant with file system management in HP-UX with Software RAID,LVM,VxVM.

Conversant with Backup & Restore Procedures in HP-UX (Ignite Backups,Data Protector, tar, fbackup, DRD).

Knowledge of HP-UX service guard cluster configuration and monitoring.

Hands on experience on configuration of HP iVM.

Storage allocation from FC connected SAN.

Conversant with User and Group Management in HP-UX; file

system attributes, such as permissions, encryption, access control lists.

Concept of Kernel configuration in HP-UX.

Installation, configuration & administration of HP-UX 11i v3.

Patch management (SD-UX) in HP-UX.

Knowledge on Ignite-UX.

Performance tuning of OS in HP-UX.

Experience in Troubleshooting O/S, software Issues.

Remote, On-site and telephonic support on system administration.

Consulting support for on-site hardware expansion and upgrades.

Product Exposure:

Hardware involved:

HP rp7420, rp4440, HP Superdome systems,

HP BL20P G4, HP BL460C/680C G7/8/9 Server.

HP DL 380/580, rx2660 servers,

HP XP12000. HP EVA 5000,HP StorageWorks 4840 Tape library.

Operating System/Application involved:

Server: Redhat Enterprise Linux 5/6, HP-UX 11i V3, Solaris(Basic)Windows 2003 & 2008 server.

HP Service Guard cluster, HP Data Protector, Redhat Cluster, Veritas cluster.

Technical Qualification: -

Completed Diploma in Electrical Engineering from W.B.C.T.E in 2000 with 80.2% marks.

Academic Qualification: -

Passed Higher Secondary (Science) in 1995 from W.B.C.H.S.E with 51.7% marks.

Passed Madhyamik in 1993 from W.B.B.S.E with 67% marks.

Other Qualifications: -

1.Achieved HP-UXCSA certificate. (Certification ID: crtfy000000000006065).

2.Achieved RHCE on RHEL6. (Certificate no.:120-198-841).

3. ITIL Foundation V3 Ceritified.

4.Completed Redhat Training of Redhat Enterprise Linux Cluster Administration and Openstack.

5.Completed Computer Networking (GNetpro) Certification from IIHT which includes Basic Networking, Basic UNIX, and Linux, MCSA, and CCNA syllabus.

Professional Experience:

Present Company: - Accenture India Pvt. Ltd.

Period: - From Oct 2014.

Project: Infrastructure-support for Pharma Environment.

Job Responsibilities:

Unix System Administrator of a project team is responsible to support Unix Server (HP-UX, RHEL) issues as per requests of the Client.

Operating System Installation and Up-gradation.

Installation of HP-UX using ignite server.

Installation of RHEL using vmware vSphere through client provided AVAK tool.

Register NEW RHEL Client Server to the RedHat Satellite Server; Configure YUM Server & Clients & Operating System Patching.

HP-UX and RHEL Server build ( VM and Physical)

HP iVM creation and configuration.

File System Creation & extension on HP-UX and RHEL Cluster environment newly assigned Storage.

Kernel tuning as per Application/DB team requirement.

Persistent network bonding, Configuring APA.

Hardware Disk up gradation.

Build new HP-UX and RHEL Cluster.

User/group management, file system permission management.

System performance monitoring.

Major/Minor OS up-gradation.

Storage Migration & Server Migration.

Job Automation.

Assist Application team to install application & set kernel parameter according to their requirement.

System performance monitoring.

Day to day System Administration tasks.

System Administration tasks on Solaris(To some extent)

Providing technical support in Linux to end-user for production and development project environment.

Using BMC tool (Promise) as ticketing tool and Change Management tool, server automation tool.

Vendor co-ordination for hardware failure.

Professional Experience:

Previous Company: - IBM India Pvt. Ltd.

Period: - From April 2014 to September 2014.

Job Responsibilities:

Being a Senior System Administrator of a project team is responsible to support Linux Server Issues as per request of the Client.

1. Register NEW RHEL Client Server to the RedHat Satellite Server; Configure YUM Server & Clients & Operating System Patching.

2. RHEL Server build ( VM and Physical)

3. LVM Creation & extension on newly assigned Storage.

4. Kernel tuning as per Application/DB team requirement.

5. Persistent bonding and NIC teaming.

6. Hardware Disk up gradation.

7. File system creation and extension on RHEL Cluster environment.

8. Build new RHEL Cluster on HP Blade hardware. Perform Cluster failover activity.

9. Add new resource group to the RHEL Cluster and removing old/existing resource group from the RHEL Cluster.

10. System performance monitoring.

11. Major/Minor OS up-gradation.

12. Storage Migration & Server Migration.

13. Automation.

14. Perform Disaster Recovery (DR) test.

15. Assist Application team to install application & set kernel parameter according to their requirement.

16. System performance monitoring.

17. Day to day System Administration tasks.

18. Providing technical support in Linux to end-user for production and development project environment.

19. Using IBM tool (Maximo) as ticketing tool and ISM Change Management tool.

Previous Company: - HCL INFOSYSTEMS LTD.

Period: - From March 2005 to March 2014.

Job Responsibilities:

It involved installation, troubleshooting, maintenance, administration of various Server hardware and OS in various customer sites in Sikkim and coordinating the location activities. However, I had been handling some projects from time to time few of which are listed below.

Deliver technical support for Hewlett Packard PA-RISC, Integrity and Superdome servers.

Daily monitoring of server hardware and OS status.

File system management and OS Patch update.

Collecting error log for fault analysis.

FC connectivity status check.

Cluster status monitoring(Redhat cluster, Service guard, Veritas).

Storage disk status monitoring.

Monitoring HP Data Protector backup policies.

Diagnosis of fault and coordinating the Replacement of hardware components and firmware upgrades.

OS involved in project:

Server OS/Application: HP-UX, Red Hat Enterprise Linux, HP StorageWorks Command View EVA, SVP, HP Data Protector. Webmin, Nagios. HP SMH.

Hardware: rp class systems rp44xx. Cell based architecture: rp7420,rx2660,DL380/580 and Superdome systems, HP Storage XP12000, HP EVA5000,SAN Director FC Switch.

Project Highlights: National Informatics Centre, Sikkim State Unit & District Units (January 2005 – July 2012

Deputed as a Resident Senior System Administrator at our Gangtok office which is looking after the whole Sikkim state. NIC is a key customer of HCL in Sikkim which is providing IT infrastructure, Networking and Software support to various State and Central Government Departments. NIC Sikkim has Centralized SAN Storage and High End Intel Xeon based Servers to port huge databases and Applications. My duties include:

Installation, Maintenance and Troubleshooting of Server hardware and its OS.

Installation Configuration and Troubleshooting of Red Hat Enterprise Linux on HCL Intel Xeon and AMD Based Servers with Fiber channel Storage

Successfully allotted volume space in SAN for different Servers and created and mounted Linux ext4 file system on different servers installed with RHEL 6.

Successfully Installed Oracle Database 10G on RHEL 5.4

OS involved in project:

Server: WIN 2K Servers, Windows Server 2003/2008, Red Hat Enterprise Linux, HP-UX.

Software: MS SQL Server 2000, MS SQL Server 2005, Oracle 9i Application Server, Oracle 10g Database Servers.

Hardware: HCL Intel and AMD based Servers, HP BL20P G4 Server, and HP BL460C Server.

Career Objective:- Determined to build up career with gradual improvement of my ability and performance that will be effective in growth of an organization and my career itself.

Personal Details: -

Father’s Name : - Vivekananda Das.

Date of Birth : - 1st December 1977.

Marital Status : - Married

Passport no. : - J6810480

Nationality : - Indian

Language known : - English, Hindi, Bengali

Domicile : - West Bengal

Permanent Address: - P.O-Haridevpur

Netajipolly, Nonamath

Kolkata-700082

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