Active Directory Windows Server

DIVYANSHU DABAS

Mobile: +1-651-***-****

Email: *********.*******@*****.***

SUMMARY:

Over 9+ Years of experience in Windows and VMware Systems.

Worked as a team member and team lead to provide 24x7 on-call Windows and VMWare production support and escalations.

Proven ability to create and deliver solutions tied to business growth, organizational development and systems/network optimization. Skilled problem identifier and troubleshooter comfortable managing systems, projects and teams in a range of IT environments.

Increased team productivity and automated repetitive tasks by using batch files, PowerShell and WMI.

Excellent experience and understanding with Active Directory 2003, 2008, 2008 R2, 2012 and 2016 and LDAP.

Experience in ITIL process (Incident, change and problem management) using BMC tool.

Experience in Windows Backup, Recovery with RTO and RPO.

Experience in Datacenter move and Windows 2003 upgrade/migration.

Experience in AD upgrade from win 2003 to 2008 and 2008 to 2016 along with functional level upgrades.

Experience in AD disaster recovery.

Sound knowledge on VMware, AWS.

Worked on windows server 2003, 2008 and 2008 R2.

Sound Knowledge on AD delegation and NTFS permission models.

Worked and implemented Azure AD connect, AD LDS, FRS, DFS, DFSR, Group policy.

Strong experience with DNS and DHCP.

Sound knowledge on PKI, Kerberos, Kerberos double hop.

Worked on RADIUS servers.

Worked on print servers and print server migrations.

Operating System: Windows Server 2012 R2, 2008 R2, Windows 2003.

Install / Upgrade all VMware Servers with the latest VMware Tools and VM hardware version loaded on our ESX Servers. (With Options: Reboot or No Reboot).

Other Tools: Excellent knowledge of Quest ActiveRoles Direct, Quest Recovery Manager for AD forest recovery, Quest Enterprise Reporter, Quest Change Auditor, Men and Mice, Lieberman.

EDUCATION:

Bachelor of Engineering in Computer Science from Apeejay College of Engineering, Gurgaon.

KEY STRENGTHS:

Highly independent, proactive, detail oriented and earned a high level of trust, and appreciation for taking on tasks.

Grasp complex concepts quickly, evaluate them and undertake new challenges rapidly.

Good communication, interpersonal skills, and will be an excellent team member with a willingness to learn new things.

Dedicated and hard working nature.

Good communication skill and prompt response for each and every employee.

PROFESSIONAL EXPERIENCE:

Tata Consultancy Services

Client: Boston Scientific

Role: Sr Server Admin

Duration: September 2011 till date

Responsibilities:

Designed, installed and configured Win 2003, 2008, 2012 servers in Enterprise Environment.

Designed and implemented AD LDS, Azure AD connected and many Active Directory related projects.

Designed and implemented the enterprise Windows 2003, 2008 Active Directory & GPO’s.

Performed installations and testing of upgrades and patches before final implementation in the active network.

Performed system and security Audits to define system service and security levels.

Responsible for documentation of processes and changes in the environment on a day-to-day basis.

Managed and Monitored availability, performance and disk/cpu usage of servers

Monitor various aspects of server like health; file systems, logs using tools like BMC patrol, HP SIM, HP one view.

Assisting customers and end users with hardware, software application & network connectivity issues.

Installing various applications, performing OS tuning and configuring IP networking parameters.

Actively participated in migration from Windows 2003 to 2008 server and application updates.

Documented disaster recovery procedure for Active Directory Domain Controllers and FSMO role holders.

Collaborating with various applications in configuring LDAP authentication, Kerberos double hop and troubleshooting issues related to them.

Designed and implemented Active directory Services/DNS/DHCP/IIS in environment.

Designed and implemented DFS, FRS and DFSR in the environment.

Designed and implemented LDAP and LDAPS authentication using F5 load balancer.

Point of escalation for any Active Directory related issues and coordinating any critical issues.

Convergys

Client: Enterprise Platform Support for Microsoft

Role: Sr Directory Services Engineer

Duration: April 2010 to September 2011

Responsibilities:

Work with Microsoft Enterprise customers in Directory Services LOB.

Worked to resolve advanced technical or administrative problems through variety of resources which many times required involvement of many other technology providers like cisco and oracle.

My key responsibilities included.

- Examining the Active Directory Infrastructure.

- Installation, Maintenance, Configuration and Demotion of Active Directory.

- Troubleshooting Active Directory-Related DNS, DHCP, FRS, DFSR, and DFS.

- Troubleshooting Active Directory Installation Problems.

- Backing Up and Restoring Active Directory and Troubleshooting.

- Troubleshooting Active Directory Replication.

- Troubleshooting FRS Problems.

- Troubleshooting Security Problems.

- Troubleshooting Trust Problems.

- Troubleshooting Group Policy Problems.

- Troubleshooting User Profile Problems.

- Troubleshooting Account Lockout Problems.

- Troubleshooting Logon Failures.

- Troubleshooting EFS Problems.

- Troubleshooting Problems with Upgrading and Migrating When Using ADMT Version 2.0 and 3.0

- Troubleshooting Terminal Server and Licensing Problems.

- Troubleshooting Local Security Authority Subsystem Service (LSASS) Problems.

- Troubleshoot Kerberos related issues.

- Configure and Troubleshoot PKI issues

- Installing Windows Server 2003 SP1 and SP2 on All Domain Controllers.

- Conduct technical sessions and training sessions for new Engineers.

- Support includes Windows Server 2003, and Windows Server 2008, Window Server 2008R2

vCustomer International

Client: CISCO CBG

Role: Sr Technical Support Engineer

Duration: December 2007 to February 2010.

Responsibilities:

Provided 1st & 2nd line support to US based customers.

Handled Client escalation

Provided support on Installation, configuration and troubleshooting the various inter-networking devices - Wired & Wireless Routers, Access Point, Range Extender, Wired & Wi-Fi Print Servers, Wired & Wi-Fi Network Adapters.

Providing assistance to customer pertaining to their LAN & WAN Network

Expertise in WebEx for remote troubleshooting

Preparing training modules and articles for knowledge-base.

Responsible for training the new hire

Build constructive relationships with Clients.

Providing support on VPN client.

Working on L2 support which require skills that involve convincing the customers to pay for extended & advance support where resolving technical problems are involved.

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