RAJESHKUMAR SASIDHARAN

 

PROFILE

 

Highly accomplished, results-driven Senior IT Management professional with good experience in system designing & architecting, IT Project Planning, Resource Estimation, Risk Management, IT Project execution, Issue Resolution , Delivery, operation and support. Manager with the ability to understand and address the needs of the business through technology or process solutions that delivers explicit business value. Well talented to motivate and develop staff, and to present self professionally to internal and external clients.  Good listening, fast learning, excellent problem solving and leadership skills,

 

Core Competencies:

IT Management · Strategic Planning · Restructuring · Startups/Turnaround · Cloud · Virtualization

· Team Leadership/Motivation  · Problem management · Directory Services ·  Storage systems ·  Web Services · Technical Support ·  Vendor & Client Relations · Risk Management · Business Continuity ·  Best Practices · Change Management · Operating Systems  · Open source Technologies

 

PROFESSIONAL EXPERIENCE

 

TATA Communication Limited, Chennai, India Nov 2011- Sep 2015

Associate Director (Dy General Manager) - Managed Hosting Service

 

Directed Managed Hosting Services Operations in Tata Communications, who is a leading global provider of telecommunications solutions serving the voice, data and next-generation service needs of carriers, enterprises and consumers across the world.  Responsible for Servers, Operating Systems , Storage, Backup, Middleware, Database &  Virtualization (Public and private Cloud) for both MHS and Cloud . Owned the customer end to end operation, implementation & Service assurance life cycle. Recommended new latest open source & enterprise technologies and products, evaluate and implement the same by applying industry best practices. Identified third party vendors and managed existing vendors and monitored their SLA/SLO/OLA compliance. Architected the infrastructure based on the budget and customer requirements. Supported the business to manage without exceeding the Annual operation plan. Effort estimation, costing and budgeting of the services and products. Direct responsible for people and customer management and its ESAT and CSAT Score.

 

·          Managed  core technical team of 75+ people with skill set of multiple technologies  

·          Supported multi fold of business revenue with existing resource and technology

·          Handled Infrastructure of mission critical customers like  F1 ( Formula 1 - UK) , BOA (Bank of America -USA), Carnival – USA,  Bank of America – Merrill Lynch USA,  Halfords UK, Payback India, Mercator UAE,  State Gov infra, BFSI  and Big portals like Bharatmatrimony and Justdial

·          Implemented open source syslog technology in TCL using rsyslog and mongodb, which saved  more than ₹10 M INR (Indian rupees) & storage data capacity multiple times than commercial software.

·          Was Heading Problem management functions across the domains and also lead technical approver role for Change management and Risk management.

·          Trained and equipped team to handle customers middleware technology to get rid of third party support, which saves cost to the company nearly $1M.

·          Supported and mentored team to manage latest technologies like Openstack cloud, Sanovi DC-DR, Azure Site Recovery DC-DR (inimage), Oracle ODA, Exadata & Exalytics.

·          Managed multi hypervisor platforms vmware, citrix &  KVM for MHS enterprise customers and xen/openstack environment for public and private clouds.

·          Managed storage platform across multiple vendors ( Netapp, EMC, Hitachi and HP) with more than petabytes of storage capacity. Enabled  storage replication for DC-DR and CDP for  BCP.

·          Enhanced operational capabilities by facilitating ITIL compliance.

SIFY TECHNOLOGIES, Chennai, IndiaSep 2004 – Nov 2011

DGM, Operations

 

Directed internal IT operations for large ISP in India, including data center hosting, ISP, VoIP, software development, networking, and eCommerce services company. Managed systems support, application implementation, and Infrastructure Applications support functions. Performed vendor management and monitored SLA/SLO/OLA compliance. Led data center migrations and cloud computing services for development, staging, production for  internal and external customers applications. Managed Systems and Architect Centre of Excellence (CoE) for division.

 

·          Managed team of 100+ people with expertise and capabilities varying from  L1 to Engineering and Architect levels on all technology areas

·          Honoured with SIFY WAY AWARD for implementing of registry.sify.in project in short span.

·          Saved more than $2M by overseeing large data center migrations, including moving 300 servers from Level 3 data center to level 1 data center, and by directing data center consolidations.

·          Achieved millions of dollars in savings by recommending virtualization implementation.

·          Managed more than 1,500 web, dns, directory and messaging environments.

·          Implemented Microsoft HMC Exchange environment only with internal resource support and designed it as high available and scalable architecture.

·          Architect the high available auth and cache servers across the POPs using DJBDNS servers and implemented SAN to support more than 100 TB of data in an iscsi environment with hybrid storage.

·          Migrated millions of user’s mailboxes and TB's of data to GOOGLE mail server with no data loss.

·          Implemented Linux bare metal provisioning using linmin and dhcp for CISCO cloud automation project  and guided the development team to create a process for computing , network and storage automation. Using shell, perl and rsync script  to automate the complete system administration tasks.

 

Base4brains InfoTech [P] Ltd.,  Chennai ( E-Solutions Provider), Chennai, IndiaOct 2001 – Aug 2004

Technical Specialist

 

Managed Bioinformatics application and  supporting development team to develop the bio applications

and educating the internal and external customers in bioinfo tools (Phylib, Emboss, Local alignment &

global alignment, Tinker, & Hex).Supervised staff of 25+. Performed vendor, project, support, and system

administration management.

·          Was managing a team of 25+ people developing bio-informatics applications and provide remote support to the institutions and external hosting customers.

·          Created web interface for bioinformatics shell application and enabled users to access the bioinformatics tools and applications.

·          Installed applications Perl, Java, Python, XML & C and upgraded with Bio extension (biojava, bioperl)  and regular backup the data using shell script.

·          Maintained genome and ensemble database with MySQL server and installed ensemble Web server.

·          Coordinated with biologist and chemist to complete the bioinformatics tools within the stipulated time.

·          Using shell script for taking user files and database backup.

 

CyberWave Internet Solutions Ltd., Chennai (ISP - Internet on Cable India)Jun 1996 – Sep 2001

Network, System & Web Administrator

 

·          Was managing a team of 25+ people supporting dialup and internet through cable modem services.

·          Implemented Internet through cable modem in Chennai and Bangladesh with minimal support from Israel solution provider CORESMA.

·          Migrated from Windows to Linux  which cuts down more than 50% of expenses to the company.

·          Configured and Maintained of both RDC Radio Modem and SPEEDLAN BROUTER ISP & XE3000 with one-to-one and one-to-many connections for branch offices and clients. Configured and Maintained of Leased line using RAD HTU-E1 and ASM20 Modems.

·          Configured and installed   NEMO Cable Bridge (CMTS), TFTP, NCS and Nemo Client Software for Internet through cable Project. 

TECHNICAL SKILLS

 

·          Platforms : Vmware, Citrix Xen,  Openstack, KVM, Linux, Windows, UNIX (solaris,AIX,HP),

·          Hardware:  Cisco-UCS, IBM, HP & Dell Blades Servers, HP DL-series, Ironport appliance, 

·          Web Servers :   Netscape Suite Spot, IIS, APACHE, TOMCAT, NGINX, JBOSS,

·          Mail Servers :    Netscape Messaging , MS Exchange , QMAIL , Postfix, Indimail & Sendmail

·          Database: MSSQL Server, MYSQL, ORACLE & NOSQL Mongodb  

·          STORAGE: NetApp Filers (FAS & EF Series) HP MSA & EVA series, Hitachi AMS , HUS &

VSP, EMC CX , Symmetrix & VNX , DELL Equalogic & MD Series, IBM DS & SVC,

Software Defined Storage Swiftstack.

·          DNS Servers: Windows DNS, Bind, Djbdns & CPANEL

·          ScriptsHTML, Perl, Python, Shell and PHP

 

 

EDUCATION

 

MS Software Systems, BITS (Birla Institute of Tech and Science ), Pilani

MCA , Madurai Kamraj University

Bsc Mathematics, University of Madras

 

 

CERTIFICATIONS

 

RHCSA-  Redhat Certified System Administrator Ver 7

MCA-100 – Mirantis certified Administrator for openstack cloud - Associate level

VCP 4.1 -  Vmware Certified Professional 4.1

ITIL V3- ITIL V3 Foundation Exam (ID  EX0-101)

SCSP - SNIA Certified Storage Professional

VTSP 4 - VMware Technical Sales Professional  (ID – VML -2897147)

CCNA 2.0 - Cisco Certified Network Associate 2.0  (640-507) 

MCP - Microsoft Certified Professional Specialist Windows NT 4.0 (70-067 & 70-073)

 

 

TRAINING

 

PMP - Project Management Institute Training

Managing App and Desktop Solutions with Citrix XenDesktop 7.5 – CXD2031

Exadata Database Machine Administration Workshop (2013)

Vmware Certified Professional Training – HP chennai