Venkata Siva Kumar Vagala
Microsoft Systems Administrator
Cyberjaya
Summary
Microsoft Systems Administrator with 7.2+ years of experience managing and supporting Windows Active Directory (AD), Exchange Server, and Office 365 (O365). Proficient in server installation, configuration, troubleshooting, and server management using PowerShell automation. Skilled in hybrid exchange environments, migrations, and performance optimization. Currently contributing at SILVERSKY TECHNOLOGIES in Malaysia, demonstrating strong problem-solving abilities and a focus on delivering efficient IT solutions.
Overview
10
10
years of professional experience
2
2
years of post-secondary education
3
3
Certifications
4
4
Languages
Work History
Microsoft Systems Administrator
SILVERSKY TECHNOLOGIES
04.2020 - Current
- Administer and manage Exchange Server 2016/2019, including DAG configuration, mail flow monitoring, and troubleshooting client connectivity and mailbox migrations
- Provide daily support for Active Directory environments, including user management, group policies, role assignments, and AD replication
- Configure and troubleshoot Hybrid Exchange environments, ensuring seamless integration with Office 365 and troubleshooting mail flow issues
- Implement and manage email security policies, including anti-phishing, anti-spam, DLP, and MFA for Exchange and Office 365
- Automate mailbox migrations and license assignments using PowerShell, optimizing task efficiency
- Monitor Hybrid Exchange mail flow, using message tracking tools to resolve mail delivery issues
- Maintain public folders, OABs, and address complex calendaring issues
- Provide on-call support and manage escalated tickets related to Exchange, O365, AD, and server-side services
- Perform routine patching, security hardening, and maintenance of Hyper-V servers and virtual machines
- Collaborate with third-party solutions such as Iportalis, IDSynchronizer, and Provisor to enhance system functionality
Infrastructure Engineer
SPUTNIK GLOBAL MALAYSIA
05.2017 - 11.2018
- Administered on-premises Exchange Server and supported hybrid Exchange configurations with Office 365
- Managed mailbox servers, client access servers, and server performance tuning to ensure high availability
- Troubleshot mail flow issues and email delivery problems with third-party security solutions (e.g., Trend Micro, Cisco IronPort, Proofpoint)
- Supported server updates, security hardening, disaster recovery procedures, and operational acceptance testing (OAT)
Microsoft Systems Administrator
APAR TECHNOLOGIES SDN BHD
07.2016 - 04.2017
- Administered Exchange 2010/2013 environments, including mailbox migrations, mail flow troubleshooting, and client access issues
- Developed PowerShell scripts for automating tasks such as user provisioning, mailbox moves, and license management
- Supported Exchange server installations, patching, and public folder management
Messaging Engineer
EMERIO SDN BHD
03.2015 - 04.2016
- Led mailbox migrations from Exchange 2007 to Exchange 2013, ensuring smooth transitions and minimal downtime
- Provided daily administration of Exchange 2013, including troubleshooting, mail flow issues, and configuring security features such as Trend Micro ScanMail
- Utilized PowerShell for automating Exchange and Active Directory tasks
Education
MBA - HR
Sikkim University
Gantok 01.2010 - 01.2012
Bachelor of Arts - undefined
JRN University
Skills
Exchange Server: 2010, 2013, 2016, 2019
Office 365: Admin Centre, Exchange Online, Teams, OneDrive
Active Directory: User/Group Management, Group Policy, AD Replication
Cloud Services: Microsoft 365, Exchange Online
Certification
Microsoft Certified: Exchange Server 2010, 2013
Personal Information
Nationality: Indian
Timeline
Microsoft Systems Administrator
SILVERSKY TECHNOLOGIES
04.2020 - Current
Infrastructure Engineer
SPUTNIK GLOBAL MALAYSIA
05.2017 - 11.2018
Microsoft Systems Administrator
APAR TECHNOLOGIES SDN BHD
07.2016 - 04.2017
Messaging Engineer
EMERIO SDN BHD
03.2015 - 04.2016
MBA - HR
Sikkim University
01.2010 - 01.2012
Bachelor of Arts - undefined
JRN University
Microsoft Certified: Exchange Server 2010, 2013
Microsoft Certified: Security, Compliance, and Identity Fundamentals
Microsoft Certified Systems Engineer (MCSE), 844116, 414CBA9E
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