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System Administrator Manager

September 07, 2018

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Thomas K Cherian

Manama, Kingdom of Bahrain

Cell : +973-********

Email :


A dynamic professional with over 15 years of rich and indigenous experience in handling systems/storage and support functions along with management of key infrastructure services

Proficiency in administration (installation, configuration) of various oracle hardware.

Deployment of RHEL and Solaris

Hand on experience in Solaris(zones/ldom) and RHEL virtualization.

Hands on experience in RHEL/Solaris (Sparc and x86) 9/10/11

Experience on Sun/RHEL cluster.

Extensive exposure in handling installation, configuration, maintenance, migrations, troubleshooting and monitoring of networks (hardware and software) in multi-platform environments, ensuring maximum uptime

Efficient in mapping requirements of clients as well as different Stakeholders, Suppliers, Service Providers and Vendors as well as addressing them for Information Systems / Software

Effective in customizing asset upgrades as well as offering comprehensive & innovative technical solutions in line with guidelines specified by the clients

Skilled in enhancing network systems & provisioning support for system engineering activities (system crash, disk space, firmware upgradation and other network problems)

Handling data centers over a large user base; comprehensive knowledge of maintaining data centre (infrastructure, installation) / storage / backup operations for ensuring integration of new systems with the other existing systems

Hand on experience on Oracle Opscenter.

Key skills:

Red hat Linux implementation and support

Solaris 9/10/11 Implementation and support

Oracle Storage Implementation and support

Oracle Virtualization Implementation and support (Sparc & X86)

Sun Sparc and Sun X86 Servers Implementation and support

Red hat & Sun Cluster

Red hat open stack


Red Hat Certified System Administrator in Red Hat OpenStack(Certification ID : 180-172-397)

Oracle Exadata 11g certified Implementation Specialist

Oracle ZFS storage ZS3 certified Implementation Specialist

Sparc T4 based Server Installation Certified Implementation Specialist.

Oracle Certified Associate, Oracle Solaris 11 System Administrator

HP ASE Storage Solution Architect VI

HP ATP Storage Solutions VI

Sun Certified Network Administrator – Solaris 10 (SCNA)

Sun Certified System Administrator – Solaris 10 (SCSA Level 1 and 2)

Sun Certified System Administrator – Solaris 8 (SCSA Level 1 and 2)

Online Sun partners certification exam for Entry, Midlevel servers & Storages

MICROSOFT Certified Professional (MCSA course completed)

CISCO Certified Network Associate (CCNA course completed)

Amazon web services(course attended for solution architect)


Since Nov 2006 -Till date with Almoayyed Computers, Bahrain as Unix Support Engineer

Red hat Linux/Cluster Implementation and Support:

–Implementing the Linux OS

–Configuration of Storage devices on Linux

–Implementation of Red hat cluster pacemaker

–Deployment of redhat virtual machines on VMWARE ESXI / Oracle VM for X86

Oracle Virtualization Implementation & Support:

–Oracle VM manager installation and configuration.

–Configuration of Sparc and X86 server pool on Oracle Vm manager.

–Configuration of Sparc and X86 servers and managing the servers from Oracle VM manager

Solaris(LDOM/zones) implementation and support:

–Implementation of LDOM/Zones on Oracle hardware

–Configuration of live migration of ldoms and zones.

Oracle FS1-2, ZFS storage and Support:

–Initialization of Oracle FS1-2 and ZFS Storage.

– LUNs assignment to the Various Operating system (VMWARE, windows, Solaris.etc.)

–Storage Firmware and OS upgrade

Oracle Server firmware & Solaris/cluster updates

–Oracle Server configuration and firmware updates

–Solaris upgrade from 11 to 11.3 later version

–Solaris Cluster upgrade from 4.2 to 4.3

Implementation of Oracle Secure backup

Migration of Physical to Virtual servers

–Implemented p2v successfully from Solaris physical servers to Solaris Zones/LDOM

Since Jan 2006- Nov 2006 with PCS, India as Administrator

Worked as a System Administrator

Creating & Managing users accounts

Installing software packages and patches & updating firmware’s

Taking Backup & Restore by using ufsdump, ufsrestore utilities

Configuring of HW/SW RAIDs

Implementation & administration of NFS, Apache & NIS

Managing the OBP & SC

Performance monitoring

Handling HP-X and AIX servers

Automation of jobs by using at and cron

Checking OBP and SC settings for analyzing system health status.

Installation & administration of Hardware / Software raid

Solaris volume manager concepts (SVM) & RAID concepts

Maintaining user privileges as per customer requirements.

Implemented ibm storage ds4700 & installation of aix 5.3

Since 2003 to 2005 Dec with Sun Cochin as Administrator

Responsible for system security and control of root passwords. Managing System Security, configuring new devices, Scheduling jobs using Cron & At

Administering Printers

Maintained system security protecting the data by modifying the file and permissions

Installation, up gradation of RPM Packages and Binary packages

Configured a file server with NFS shares and auto mounts, implemented home directory server for users in a network using NIS and setting up of NIS servers.

Operation, Implementing and maintenance of environment on servers running network service such as DHCP

System Performance monitoring

Maintenance, and administration of a variety of workstations and servers running Windows, Solaris.


Storage : Oracle FS1-2,ZS3-2,6140,2540,3par

Server Hardware : Sun T7-1, Sun T5-4,T4-4,S7-2 Sun Fire V240/V440/V880/V890/E2900/E6900,

Sun Blade - Sun Blade Modular 6000/8000/x6220/x6240/x6275,

Sun M-Series Hardware: Sun M3000/M4000/M5000,

Sun X64: Sun X6-2, X4100/X4150/X4170/ X4240/X4200/x4450

Zoning the Switches

Storage Management : Sun Unified Storage 7000 Series, Sun Storagetek 2500 Series, I

Sun Storagetek 6140, FC Zoning

Operating Systems : Solaris 9/10/11, RHEL,

Server Virtualization : Oracle VM for SPARC/X86

Backup Software : Oracle Secure backup

Academic Details

1998–2001 SNG College Coimbatore Tamilnadu, India

BSc. Computer Science


Oracle Exadata training at Dubai

Red hat Open Stack training, India

Red hat Virtualization Training, India

Sparc Entry Level & Mid Level Training, Sun Microsystems, Johannesburg, South Africa

Storage Entry and Mid level end Level Training, Sun Microsystems, Johannesburg, South Africa

-TDC 001 Sparc Entry Level Classroom Based component + Required Exam

-TDC 003 Sparc Mid Level Classroom Based component + Required Exam

-TDC 004 Sun Entry Level Storage Concepts & Products for field engineers + Required Exam

-TDC 006 Sun Mid-Level Storage Disk Field Engineer :Storagetek 6140 + 6540 & Required Exam

-Attended Oracle 10g DBA1 & DB2 at Pinnacle, India

-Oracle Super Cluster administration course attended at Dubai


Father's Name : Mr Cherian K Alexander

Date of Birth : 15th November, 1980

Sex : Male

Nationality : Indian

Languages Known : English

Passport No : K0787867

Marital Status : Married

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