Active Directory Server Administrator

RANJAN THOMAS

WINDOWS SERVER ADMINISTRATOR

SUMMARY

Over 8+ years of experience working as Windows Server and VMware Administrator

Comprehensive background with the installation, upgrades, configuration, rollout and support of hardware, software, peripherals running Windows Operating systems.

Experience with Installation, configuration, upgrading and troubleshooting of Vmware ESXI and VCenter server.

Good understanding of AWS Cloud infrastructure consisting of EC2, S3, EBS, ELB, Cloud Watch, Cloud Trail, VPC etc.

Hands on experience with Microsoft Active Directory, GPOs, DNS, DHCP, File & Print Server, IIS (Web Server), FTP, Terminal Services, WSUS and Clustering.

Experience with Windows Server 2012R2, 2016 and 2019.

Experience in configuring and troubleshooting vSphere Storage (VMFS and NFS data stores)

Experience in creating, deploying, and administrating virtual machines, Managing VM clones and templates

Experience with Amazon EC2 instance deployments using custom AMI’s, creation of VPC’s and Subnets.

Good understanding of various backup technologies using Veeam, Commvault and Cloud Protection Manager.

Experience with Managing Antivirus software for endpoint protection using Symantec and McAfee.

Hands on experience with HP and Dell rackmount servers, C7000 blade chassis etc.

Experience with Thycotic Secret server for password Management and remote user administration.

Good understanding of Linux Operating systems like Ubuntu and RedHat.

Experience working with F5 load balances and Amazon Elastic Load Balancers.

Good understanding of AWS IAM roles and policies.

Good understanding of PowerShell scripts and its operations.

Experience working with Microsoft SQL server and its deployment using Always ON Clustering.

Good understanding of enterprise level multi-tier applications.

Worked on VMware clustering technologies like HA and DRS as well as Vmotion

Research, troubleshoot, and resolve system performance issues and outages.

Worked on P2V and V2V migrations using plate spin.

Worked on forklifting VMware based Virtual Machines to AWS using Cloud Endure.

Committed to professionalism, highly organized, work under strict deadline schedules.

TECHNICAL SKILLS

Operating Systems: Windows Server 2012 R2, 2016,2019, Windows XP, Windows10, Linux

Applications: Microsoft Office, Visio, Lucid Chart, Secret server, Prolin

Databases: MS SQL Server, MYSQL

VMware Administration: VMware vSphere, vCenter Server, ESX

VMware Converter Enterprise, VMware View, VMware ThinApp 4.6, VMware Update Manager, HA, DRS, DPM, FT, VMotion, Storage VMotion, VMware Capacity Planner, VMware Workstation

Windows Administration: Configuration of DHCP and DNS, configuration of VPN client, installation and configuration of MS Clusters, installation and configuration of Active Directory and Internet Information Service, creating users and groups, setting user access controls, domains creation and setup.

Networking: OSI Reference Model, IPv4 and IPv6 addressing and subnetting, Ethernet LAN, TCP/IP, UDP, Cisco series switches, standard switches, routing concepts, virtual network concepts including vSwitches, VLANs, dvSwitch, TCP/IP stack for virtualization, Cisco networking, configuration of printers and scanners

Hardware: HP ProLiant BL465 G7, BL685 G7 and DL385 G7, HP ProLiant DL360 G5 Intel Xeon, HP ProLiant DL380 G5 Intel Xeon, HP ProLiant DL365 AMD Opetron, HP ProLiant DL360 G6 Intel, Dell PowerEdge 1850/1950/M605, 2970/6800, HP BL 460c G5, HP BL 460c G6 blade servers, C7000 HP Chassis.

Storage: EMC Clarion CX3 20 – FC SAN, EMC CLARiiON CX3 10c – iSCSI, EMC Symmetrix NS 960 - NAS

Cloud Technologies: AWS Cloud infrastructure consisting of VPC, EC2, IGW, S3, Lambda, ELB, Autoscaling, IAM, Cloud Trail, Cloud Watch, Sumo Logic,

CERTIFICATIONS

Microsoft Certified IT Professional

Attended AWS Cloud Infrastructure Training

Attended VMware vSphere trainings

Diploma in Hardware & Networking (A+, N+)

Post Graduate Diploma in Computer Applications

CAREER MILESTONES:

Penn Jersey Paper company as Windows Admin (Apr2019-PRESENT)

Philadelphia

Working as Windows server admin. Installing, configuring, and troubleshooting on the Windows server 2012R2, 2016 and 2019.

Responsible for third-level support for all server-related issues. Implemented security policy and virus protection

Managed Mimecast for email filtering which includes Message Tracking, Blocking/Allow Individual/Domain level, Impersonation policies, etc.

Used Meraki for network Administration.

Handling Symantec NetBackup activities for backup.

Monitoring all Kinds of servers Using SolarWinds monitoring tools.

Creating and managing user accounts in Active Directory, networking and connectivity.

Group Policy creation and Implementation

Installing & Maintenance live SQL Database Servers also Backup/Restoring the Data.

Handling Migration from 2012 R2 to 2016 and related issues.

Backup/Restoring the Data using Veeam / Symantec NetBackup.

Patching of All Windows servers for OS vulnerable security patches through WSUS (Windows Server Update service).

System Rollout planning, migration, Performance monitoring, Security monitoring.

Performed daily system monitoring and report the status to respective teams.

Handled multiple tasks to meet deadlines

Developed and updated the required system administration documentation

Assisted with new software testing and installation.

Maintaining User Account Management, Group Policies, Security Policies.

Checking DNS, DHCP and AD related issues for Remote sites.

Monitoring Datacenter Alerts

Installing and Configuring Hardware’s according to company standards.

Hardware/Software RAID Configuration on server DL300, 500 and Dell power edge servers.

Physical server Build and Server Retirements.

Windows IT service management Tickets & PRC.

Documented server information, Software Installation procedures, and passwords in IT Glue

Express Script Windows Administrator (Mar2017-Apr2019)

Trevose, PA

Working as Windows server admin. Installing, configuring, and troubleshooting on the Windows server 2012R2, 2016 and 2019.

Responsible for third-level support for all server-related issues. Implemented security policy and virus protection

Participated in complete system builds, upgrades, migrations, code deployments and patch management.

Designed and implemented fully automated DRS and HA clusters with HP and Hitachi SAN storage.

Worked on vRanger for virtual machine backups and vReplicator for Disaster Recovery.

Prepared and maintained documentation of technologies, standards and procedures.

Responsible to maintain all windows servers operating systems like Windows 2012R2, 2016 and 2019

Job includes installation and configuration of VMware ESXi, installation and configuration of VMware Virtual Center Server and creating Virtual Machines.

Designed and implemented ESX server infrastructure environment.

Administrated server consolidation program through use of VMware ESX server and VMware Virtual Center, creating VMs, using/building VM templates and customization files, and scheduling tasks.

Assist in P2V and V2V conversion of Windows server editions using enterprise VMware converter and installed the VMware tools on those machines.

Installation, configuration, and management of multiple server suites Windows 2012R2, 2016 and 2019 on VMware ESX server

Job includes installation and configuration of VMware ESXi 4.1, installation and configuration of VMware Virtual Center Server and creating Virtual Machines

Prepared the strategy and implemented ESXi Migration.

Implemented the migrations of ESX servers from 5.0 to 5.1and from 5.1 to ESXi 5.5

Designed and implemented vSphere 5.0/5.1 Lab environment.

VMware cluster with HA and DRS.

Performed Hot Cloning, Cold Cloning, Classic vMotion and Storage vMotion.

Creation & Troubleshooting of Virtual Network, ESX & Virtual Machines

Creation of Templates from VMs and deploying VMs from templates

Maintain Microsoft Windows Servers, DNS DHCP and Active Directory.

Design and implementation of global monitoring solution using HP SIM.

Management of Symantec Antivirus software.

Security hardening and Monitoring of VM's ESX servers CPU, Memory, Disk, Network Utilization for Security Compliance.

Designing an Active Directory and Network Infrastructure, Forest and Domain Infrastructure.

Implementing Group Policy, Managing and Monitoring Dynamic Host Configuration Protocol DHCP managing and monitoring Domain Name System DNS.

Installation, configuration, and administration of Windows 2012 R2/2016/2019 server/ core domains in an enterprise network environment.

Logic Solutions, Cochin, India Feb’14 – Feb’17

System Support Engineer

Configure and maintain check-in terminals such as DCS, PSSTIP, and CARGO TIP.

Creating and managing user accounts in Active Directory.

Monitoring networking and connectivity

Group Policy creation and Implementation

Installation and configuring of Print Servers for Network printing

Maintain systems & other products (Desktops/Laptops, Printers from BP/BT to lone printers, Swipe Machines, etc.)

Monitor and maintain servers and routers.

Assembled, configured, installed, tested and repaired computer hardware and software.

Management of Active directory and windows server infrastructure.

Provided technical support for the users and resolving software/hardware issues.

Performed hands-on administration and monitoring of Local Area network (LAN).

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