Jayakar Chellappa
Southampton,STH
Summary
Technical Lead with expertise in VMware virtualization, Windows Server administration, and datacenter operations. Skilled in managing Active Directory, GPOs, and domain roles such as DNS and DHCP, with proven experience in designing and optimizing scalable, reliable infrastructures. Adept at troubleshooting server hardware and OS issues, implementing security updates, and leading teams in delivering complex IT projects while ensuring operational efficiency and system integrity.
Overview
19
19
years of professional experience
3
3
years of post-secondary education
1
1
Certification
Work History
Technical Lead
Tata Consultancy Services
Southampton, Hampshire
01.2016 - Current
- Technical lead in design, implementation, and management of VMware and Windows Server systems (Active Directory, Group Policy Objects, DNS, DHCP, Certificate and License administration)
- Delivered multiple technical projects successfully, with strong track record of leading cross-functional teams to achieve organizational goals.
Senior system administrator
IBM India Ltd
Chennai
07.2010 - 01.2016
- Proficient in troubleshooting and maintaining DELL PowerEdge servers, addressing hardware and OS failures, optimizing performance, and managing remote hardware through iDRAC.
Desktop support technician
Maples IT Services and Consulting
Chennai
10.2008 - 07.2010
Customer support executive
PC Solutions
Chennai
05.2006 - 10.2008
Education
Bachelor of Science - Chemistry
Loyola College
Chennai 06.2002 - 05.2005
Skills
- VMware vSphere, ESXi, vCenter
- Windows Server Systems
- Active Directory (AD)
- Group Policy Objects (GPOs)
- DNS/DHCP/DFS
- Certificate and License Management
- Windows Patching
- Windows Cluster Management
- SAN, NAS and Storage provisioning
- Vulnerability Management
- Automation using Powershell
Affiliations
- Music and Movies
Accomplishments
Recognized with achievement awards on multiple occasions
Certification
Implementing Microsoft Azure Infrastructure Solutions (2017)
Azure virtual desktop Speciality (April 2024)
IT Information Library Foundations Certification (ITIL)
Languages
English
Fluent
Tamil
Native
Timeline
Technical Lead
Tata Consultancy Services
01.2016 - Current
Senior system administrator
IBM India Ltd
07.2010 - 01.2016
Desktop support technician
Maples IT Services and Consulting
10.2008 - 07.2010
Customer support executive
PC Solutions
05.2006 - 10.2008
Bachelor of Science - Chemistry
Loyola College
06.2002 - 05.2005
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