Senior Windows Infrastructure & Cloud Administrator

Dinesh Singh Negi

Mobile:+91-981******* ~E-Mail:******.********@*****.***

Professional Summary

Results-driven IT Infrastructure Specialist with 18+ years of experience managing 1,000+ physical and virtual Windows servers in global enterprise environments. Expertise in Windows Server Administration, VMware, Active Directory, DNS/DHCP, Clustering, Patch Management, Azure, and ManageEngine Suite. Demonstrated success in server lifecycle management, cloud migration, disaster recovery, and security hardening. Proficient in Terraform for Infrastructure as Code (IaC) and automating cloud infrastructure deployment. Extensive experience in client collaboration, stakeholder communication, vendor management, and adhering to ITIL processes. Seeking a mid-level Infrastructure/Cloud Administrator role to leverage my skills in cloud technologies, automation, and security to drive business growth and optimize infrastructure performance.

APERCU

I am currently working with Rackspace Technologies as a Windows Administrator for the last 10+ years.

Around 18+ years of experience in IT support on Windows Servers, 2003/2008/2012/2016/2019/2022/2025, Windows Clusters, DFSR, AD, DNS, DHCP, Remote Desktop services, Windows7,10 & XP, Veeam Ware 6.0, Sophos Central, Basic Knowledge on IIS, SQL and SCCM and Networking.

Active Directory /DNS /DHCP /Group Policy, Windows Cluster Administration.

Taking care of new build /Decommission

Complete support of hardware and OS support, patching, Vulnerabilities etc.

Managing Physical servers remotely through (ILO).

Adept at implementations, configuration and integration of and Active directory.

Proficient administrator engaged in administering, supporting and maintaining Windows Server 2003,2008,2012,2016,2019 AD, DNS, DHCP, Windows Clustering, Basic Knowledge on SQL and IIS.

Migration of Windows from 2003, 2008,2012, 2016 and 2019, 2022 Domain Controllers.

Experience with MS Exchange 2003/2007/2010/2013 including Clustered setups DAG setup,

Working in Remote Infrastructure Management services providing support to Global Clients.

Adapt in analyzing information system needs, evaluating end-user requirements, troubleshooting for complex information systems management.

A technocrat with exposure in managing projects on installation, maintenance, IT infrastructure development and L2/L3 SME technical support.

Team-based management style and excellent interpersonal and communication skills.

Creating, Deploying, renewing and import /export SSL certificates.

Performance monitoring task manager, process monitor, process explorer

Documentation & SOP Development.

Incident & Escalation Handling.

System Performance & Monitoring.

Patch Management.

Server Hardware & Maintenance.

Virtualization (VMware).

Customer & Vendor Collaboration.

End-to-End Support & Customer Onboarding.

Documentation & SOP Development.

ITIL Framework Adherence.

Knowledge Purview

Windows Server 2003/2008/2012/2016/2019/2022/2025 ~ Active Directory, DNS, DHCP Administration ~Windows Cluster, DFSR, Performance & Tuning of Servers ~ Sophos Antivirus, SCCM and Shivalik (patching), VMware. Basic Knowledge on Networking / IIS /SQL and SCCM, Azure, Terraform, Group Policy, Windows server hardening,

ORGANISATIONAL SCAN

4th Nov 2014 till date Rackspace Windows Administrator IV

Key Responsibilities with Rackspace /TriCore

Proficient in administering and managing Windows Server environments including Windows Server 2003, 2008 R2, 2012, 2016, 2019, 2022 (Enterprise/Standard Editions), and 2025. Hands-on experience with Active Directory, DNS, DHCP, DFSR, patching, VMware, and basic knowledge of IIS, SQL, SCCM, and Microsoft Azure.

Windows Server Administration:

Extensive experience with installation, configuration, and troubleshooting of Windows Server OS including 2003, 2008, 2012, 2016, 2019, 2022, and 2025.

Active Directory Management:

Skilled in managing and maintaining AD services across multiple versions (2008–2025), including DNS, DHCP, DFSR, and group policies. Logon scripts & Windows Active Setup, user profile management.

Virtualization (VMware):

Expertise in VMware environments including VM builds, resource allocation (RAM, Disk, CPU), migration, cloning, and performance monitoring.

Server Hardware & Maintenance:

Proficient in planning, implementing, and troubleshooting Dell and HP server hardware.

Cluster Management:

Hands-on experience with Windows and SQL Clusters (2012/2016/2019), including Always On Groups (AOG), cluster patching, and failover testing.

Ivanti Patch Management:

Skilled in patching through Shavlik and SCCM, including coordination with internal teams, customers, CSMs, and management. Experience patching Windows servers, SQL clusters, and Exchange environnements.

System Performance & Monitoring:

Troubleshoot server performance issues, generate utilization reports, and work with application owners and customers to resolve bottlenecks.

ManageEngine Suite:

Hands-on experience with ManageEngine Endpoint Central (formerly Desktop Central) for patch management, endpoint security across enterprise environments.

Proficient in ManageEngine Active Directory Management Plus for AD lifecycle management, user provisioning, and group policy management.

Skilled in ManageEngine OpManager for network monitoring and performance management, ensuring uptime and optimal performance across IT infrastructure.

Disaster Recovery (DR):

Lead DR activities from the Windows platform side, ensuring business continuity during planned/unplanned outages.

Customer & Vendor Collaboration:

Work directly with customers for scheduled activities such as patching and onboarding. Liaise with vendors (Microsoft, Dell, HP, Sophos) for escalated issues and technical support.

Incident & Escalation Handling:

Coordinate effectively during P1 (Priority 1) incidents with Incident Management, customers, vendors (if required), and management. Actively support Root Cause Analysis (RCA) preparation and communication.

End-to-End Support & Customer Onboarding:

Deliver complete service lifecycle support, from infrastructure setup to steady-state operations, documentation, Assist with the smooth onboarding of new customers, ensuring alignment with technical and business requirements.

Server Lifecycle Management:

Oversee server builds and décommissions, Following defined standards and best practices.

Documentation & SOP Development:

Create and maintain Standard Operating Procedures (SOPs) tailored to organizational and project needs.

ITIL Framework Adherence:

Follow ITIL best practices for Incident, Change, and Problem Management processes.

Key Responsibilities with JK Technologies (Client Site Aricent)

JK Tech is web hosting company supporting more than 250 Customers Infrastructure as well on Application Management.

Environment: - Exchange 2007 / 2010 & 2013 on DAG Environment with CAS array,WNLB, Round Robin, Enterprise Vault10.4, Blackberry 5.0,Windows 2008 R2 /2012 Ent /Std Edition, MimeCast gateway,VMware5.0.

Installation, Configuration & monitoring Exchange 2007/2010/2013 Environment.

Transition of Exchange Server from 2007 to 2010 /2013.

Decommission of Exchange 2007 Environment.

Installation of Service Pack & Roll up on Exchange Servers.

Managing and maintaining Exchange Servers 2010/2013 Servers, BlackberryEnterprise servers5.0/10.1.1& Enterprise Vault10.3.

Troubleshooting day to day Client Issues: Message tracking, Outlook Issues, Restoration of Mailbox, emails from Veeam Backup.

Forefront Online Protection message tracking, Creation policies, Rules as perthe business requirement

Up-gradation of Windows 2003 to 2008 R2.

Troubleshooting Enterprise vault server & client issues: Import /Export pst, Permission etc.

Troubleshooting Blackberry Server & handset issues. Account creation on Blackberry server.

Windows patching on all Messaging servers.

Creation, deletion and maintenance of end-user accounts, distribution lists, and mailbox permissions across the organization.- Perform daily system health checks and address issues as they arise.- Perform routine and emergency maintenance, such as patching, backup and restore operations

Providing L3 & L2 Support.

Knowledge on Windows 2012.

Provide on-call support on weekends.

Co-ordination with Vendors ( Symantec,Blackberry, Microsoft )

Following ITIL practices

Key Responsibilities with Zensar Technologies Pvt Ltd (Project Colliers International)

The global leader in real estate services with more than 13,500 professionals operating out of 482 offices worldwide in 61 countries. They offer the stability of a strong financial partner and significant local ownership providing clients with accountability and enterprising real estate solutions.

Environment: - Exchange 2010 on DAG Environment with CAS array Load Balancer Kemp, Enterprise Vault10.4, Blackberry 5.0 & BB 10.1.1,Windows 2008 R2 Ent /Std Edition, Forefront Online Protection,VMware5.0,Veeam Backup & replication 7.0.

Installation, Configuration & monitoring Exchange 2010 Environment.

Transition of Exchange Server from 2007 to 2010.

Decommission of Exchange 2007 Environment.

Installation of Service Pack & Roll up on Exchange Servers.

Troubleshoot issues and engage with teams and vendors for issue resolutions

Managing and maintaining Exchange Servers 2010 Servers, BlackberryEnterprise servers5.0/10.1.1& Enterprise Vault10.1.

Troubleshooting day to day Client Issues: Message tracking, Outlook Issues, Restoration of Mailbox, emails from Veeam Backup.

Forefront Online Protection message tracking, Creation policies, Rules as perthe business requirement

Up-gradation of Windows 2003 to 2008 R2.

Troubleshooting Enterprise vault server & client issues: Import /Export pst, Permission etc.

Troubleshooting Blackberry Server & handset issues. Account creation on Blackberry server.

Windows patching on all Messaging servers.

Creation, deletion and maintenance of end-user accounts, distribution lists, and mailbox permissions across the organization.- Perform daily system health checks and address issues as they arise.- Perform routine and emergency maintenance, such as patching, backup and restore operations

Blackberry Z10 solution Implemented.

Providing L3 & L2 Support.

Reports: -WSR, Documentation.

Knowledge on Exchange 2013.

Knowledge on Windows 2012.

Provide on-call support on weekends.

Co-ordination with Vendors ( Symantec,Blackberry,Veeam Backup, Microsoft )

Following ITIL practices

Key Responsibilities with OSC Services (Project Clifford Chance LLP)

OSC is a subsidiary of Clifford Chance LLP (UK based Law Firm) and provides in house ITES services via GlobalSharedServiceCenter in Gurgaon.

Environment: -Windows 2003 Sp3 /R2& 2008 Sp2 /R2,Exchange 2003 two node& 2010 Mixed Environment, Blackberry 4.1 & 5.0, Enterprise Vault 9.0 for Archiving Quest software for reporting tools, Double Take for replication from Live to DR site in Exchange 2003, Boxton for Blackberry monitoring, SCOM for Monitoring,

Installation, configuration of MS Exchange Server 2003,2007& 2010.

Managing and maintaining Exchange Servers (Clusters), Enterprise Vault servers (Ver. 9), Blackberry

Enterprise servers (Ver. 4 and 5) across the globe.

Migration of Windows 2003 to 2008 R2.

Transition of Exchange 2003 /2007 to 2010.

Running Daily health Checks of all Exchange Cluster, Enterprise Vault & BlackBerry Servers.

Testing patches in test environment and deploy the approved patches on all production collaboration servers.

Troubleshooting Mail flow issue, Message tracking, Restoration of Mailboxes through RSG.

Performance and health monitoring of Servers using PerfMon, Logs, Setting up Counters, Scom alerts, Spotlight Monitoring tool.

Managing Public Folders, Replication and Permissions.

Managing Enterprise Vault Server provides Archiving solution to Exchange Mailboxes. Includes Provisioning of Mailboxes, Configuring Provisioning Tasks, Archiving tasks, Import-export of PSTs, Creating Vault Stores, Vault store partitions, Enabling & Disabling for Archiving troubleshooting end user and server issues.

Monitoring Blackberry Enterprise servers through Boxtone. Troubleshooting end user issues with BB devices.

Managing & Monitoring Certificates on PGP Servers for encryptions.

Effectively worked on Ticketing Tool Remedy providing L2 level Support.

Managing 25000 mailboxes.

Raising, updating, chasing & closing the tickets.

Coordinating with relevant teams to get the issues resolved.

Provide on-call support on weekends.

Co-ordination with Vendors ( Blue Source,Box tone, RIM,T-Mobile,DT )

Following predefined Change Process (ITIL) to implement infrastructure changes.

Key Responsibilities with Policy Bazaar “ Etechaces Marketing and Consulting Pvt Ltd “

Environment: - Windows 2003 Sp2 /R2 Domain, Exchange 2003 SP2, ISA 2006 Standard Edition with Bandwidth Splitter, Blackberry 4.0

Extensive experience in end-to-end infrastructure setup and managing vendor coordination.

Installation, configuration of MS Exchange Server 2003.

Managing MS Exchange 2003 which includes configuring it to accept mails for other domains, creating smart host configuring security policies such as IMF (Intelligence Message Filtering) Recipient Filter.

Publish OWA, RPC over HTTP and POP3.

Managing Active Directory which includes adding or deleting users, applying group policies, managing AD integrated DNS zone (Windows 2003)

Configuring DNS, DHCP server

Configuring and Installing Operating System through WDS.

Managing and configuration of Blackberry server 4.0

Managing and Configuration of ISA Server 2006 which includes publishing number terminal server, OWA & websites through it. Also restricting web sites users wise and computer wise taking backup of ISA rules.

Bandwidth Management. Managing the installation, configuration & maintenance of servers, peripherals, network devices, firewalls

Managing File Server through File Server Resource Manager (FSRM)

Managing public DNS records for all web sites.

MS patches on all the desktops and Laptops through the WSUS server

Managing Print Server. Managing Print Quota through Printer Peer.

Securing network from virus and taking backup of data. Installing Symantec Antivirus 10.0 and configuring Scheduled Scans for all the desktop machines

Terminal Server.

Qualification

PGDCA IT Manav Bharti University.

12th Army School Ranikhet.

10th Army School Ranikhet.

CERTIFICATIONS

MCSE

Az -104

VMware.

PERSONAL DOSSIER

Date of Birth: 25th December 1985

Permanent Address: House no 8, Street no 7, Palla No1, Faridabad

Professional Strength Excellent team player, motivator with a high level of interpersonal skills, communication skills, positive attitude and a strong sense of commitment to deliverables. Possess a high level of personal initiative and energy, Capability to perform under pressure and a strong faith in God.

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