Sourav Bose, Unix Infrastructure Administrator

Sourav Bose

Unix Infrastructure Administrator

Wipro Technologies

Location
India - Chennai
Education
Master's degree, Computers and Information Science
Experience
8 years, 1 Months

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Work Experience

Total years of experience :8 years, 1 Months

Unix Infrastructure Administrator at Wipro Technologies
  • India - Chennai
  • My current job since August 2016

Accountable for supporting: Solaris, Linux and Data Center services globally wherein responsibilities on these systems include provisioning, day to day operations and support, maintenance. Monitor the IT Infra structure for its availability, capacity usage, hardware and OS errors and failures. Handle first-level incident / problem determination and resolution on a 24x7 basis Service incidents and queries within the agreed service levels. Timely escalation of incidents to higher level when required. Log files for errors, Perform daily, weekly and monthly proactive housekeeping and monitoring activities. Vendor co-ordination, perform basic Service Requests based on Standard Operating Procedures. Follow quality / security process defined for the engagement. Also bring innovative ideas and solutions to ensure continual innovation and service improvement.
• Comfortable with install, configure and maintain various Solaris, Linux flavors (RedHat, CentOS, Suse, Ubuntu etc.) and associated applications
• Research and recommend innovative, and where possible automated approaches for system administration and for performing daily/weekly/startup tasks.
• Managing Oracle HW and Solaris environment - HW like M4000, M5000, Sparc T5 - OS Solaris 9, 10, 11 with containers, zone experience & Vendor coordination.
• Management of RHEL 4.x, 5.x, 6.x, 7.x, Solaris 9/10/11 along with Zones/Containers, VxVM/VCS, ZFS File management. & Dynamic Multi-Pathing (DMP). File system creation and maintenance for regular (partition based), Logical Volume Manager (LVM).
• Setup and configure cross-platform authentication (Linux with AD) - Vintella.
• Installs, configures and maintains system applications including SSH, TCP/IP, FTP, NIS, NFS, CIFS and Samba
• Experience on Virtualization technologies like Solaris Containers, VMware, ESXi host infrastructure, KVM / RHEV Administration and Nutanix.
• Apply OS/Kernel patches and upgrades on a regular basis. Configure / add new services as necessary.
• Perform ongoing performance tuning, hardware upgrades, and resource optimization as required. Configure CPU, memory, and disk partitions as required.
• Perform standard administration tasks (Sudo privilege provisioning, performance tuning also with resource allocation packaging, OS installs, patch management)
• RHEL server build/upgrade (kernel & relevant packages) - both virtual and physical.
• OS level performance and kernel tuning skills as per infra requirements.
• Experience in RHEL Satellite server version (5 & 6).
• Knowledge on Managing Data Centers and related services.
• Collaboratively work with SPGI division and business unit application development teams, and perform product maintenance activities, such as service packs, patch management and Release testing.
o Flying cloud - Shanghai & Milpitas
o Site Analyzer
o Hackathon 2019
o Rebranding
o SAP PO/PI Landscape
• Own Linux/Unix Product Life Cycle management
• Knowledge on SAP and related Oracle Databases
• Knowledge on ITIL process and participating in Change review board meetings.
• Exposure to Project Management skills (Work with project teams for activities such as new server build, OS upgrades, migrations etc).
• Worked as cohesive team member and work within a team-environment to achieve organizational goals
• Created KBs/SOPs for all processes involved with scripts, enabling their reuse, effectively saving the company cost annually.
• Working experience on Ansible
• Axway SFTP Secure Transport
• Infoblox - Grid Management Administrator
• NAS/SAN file system administration
• Splunk forwarders/indexers setup
• Experience in cluster Administration /implementation /re-build - both virtual and physical.
• Server / OS Crash analysis

Intern at Wipro Technologies
  • India - Navi Mumbai
  • February 2016 to May 2016

Monitor real-time environment and provided technical solutions to problems and user requests through an IT ticketing system (ITSM). Joined war rooms for any critical issues and fix the same to avoid any impact. Analyzing and resolving issues within given time frame along with root cause Analysis for the same. Change Management: Participates in Change Advisory Board decisions, approving changes to the services they own.
• To deal with maintenance and configurations challenges are being experienced in live production systems for OS or hardware related issues.
• Gained on Knowledge Backup & Storage, Introduction to ITIL, Monitoring Tools, Network Voice and Telecom, Perl, Power Shell, RDBMS, UNIX, Networking Basics, Overview of Virtualization, Wintel.
• Hands-on VMware Vcenter Server, VSphere Client, VMware Virtualization, SQL Server Management, Install Manage ESXi Host.
• Gained Hand on Knowledge on Monitoring and Managing Server/ Client for alert about Ping, CPU, Memory, Disk Space on through HP SiteScope, HP Operations Manager, Nagios XI, BMC Remedy, HP Network Node Manager, SCOM, SCCM.
• For creating Incident, change management through Service Now.
• Developing Process Models and streamline.
• Being a part of Demonstration Team for the client.
• Understanding and analyzing the requirements and risks.
• Capacity Management
• Change management
• Configuration management
• Shell/Perl Scripting
o OS hardening
o Automation and reduction of manual efforts thru Scripting/tools

Education

Master's degree, Computers and Information Science
  • at Pailan College of Management & Technology
  • June 2016
Bachelor's degree, Computer Applications
  • at Pailan College of Management & Technology
  • August 2013
Bachelor's degree,
  • at NIIT
  • January 2012

NIIT Obtained the Programming degree using C++ 85% 2012 *Java Programming Language using Java SE6

Diploma, Java Programming Language using Java
  • at NIIT
  • January 2012

NIIT Certificate In Java Programming Language using Java SE6 80% 2012

Diploma, Java EE
  • at NIIT
  • January 2012

*Java Programming Language using Java EE (result not yet declared) 2012 NIIT Certificate In Java Programming Language using Java EE PROJECTS UNDERTAKEN

Diploma, Secondary Education
  • at Orient Day School
  • January 2010

Orient Day School 51.00% 2010 Behala, Kolkata *Indian Certificate of Secondary Education (ICSE)

Diploma, Topic : Online Banking System
  • at NIIT
  • January 2010

Online Banking System: From NIIT ❖ Technology: Java and J2EE ❖ Web Technologies: HTML, Java-Script (JSP, Servlet) ❖ Web-Server: Glassfish ❖ Database: SQL Plus Online Movie Ticket Booking System: From Pailan College of Management & Technology ❖ Technology: Java and J2EE ❖ Web Technologies: HTML, Java-Script ❖ Web-Server: Apache Tomcat ❖ Database: Oracle 9i SOFTWARE TECHNICAL SKILLS ❖ Microsoft Office (Version 2003, 2007, 2010, 2013) ❖ Microsoft SQL Server 2005 ❖ Netbeans (Version 6.0, 7.0, 7.1) ❖ Macromedia Dreamweaver 8 ❖ Oracle Database 10g Express Edition

High school or equivalent,
  • at St. Paul's Day School
  • January 2008

Budge Budge St. Paul's Day School 63.80% 2008 Kolkata PROFESSIONAL EDUCATIONS *Object Oriented Programming using C++

Bachelor's degree,
  • at West Bengal University of Technology

Marks Year West Bengal University of Technology (WBUT) *Bachelor of Computer Application (BCA)

Diploma,
  • at ISC

* Indian School Certificate (ISC)

Specialties & Skills

Social Profiles

Languages

English
Expert

Training and Certifications

SUSE Certified Administrator (Certificate)
Date Attended:
June 2019

Hobbies

  • Geek