Summary
Overview
Work History
Education
Skills
Languages
Certification
Timeline
Generic

Atta Rehman

CAMBRIDGE

Summary

Adept at driving technological advancements and operational efficiencies, I excelled in optimizing Windows servers and enhancing security compliance. My expertise in SCCM, Active Directory and proactive problem-solving significantly improved system reliability. Demonstrating strong analytical skills and a commitment to excellence, I consistently delivered impactful solutions, contributing to an impactful reduction in non-compliance issues.

Overview

14
14
years of professional experience
1
1
Certification

Work History

SERIOR INFRASTRUCTURE ENGINEER

TCS (CLIENT: CIBC)
11.2021 - Current
  • Using SCCM build and configured CIs and Baselines for Windows servers.
  • Deployed baselines, applications, packages and Task sequences on SCCM collections for Windows Servers 2008, 2012, 2016, 2019 and 2022.
  • Following the SHR (Security Hardening Requirements) rules to assist in remediating the non-compliant Windows Servers, SQL DBs, IIS servers and VMware.
  • Troubleshoot client connectivity and package installation issues by analyzing SMS/SCCM logs.
  • Created complex query-based computer collections.
  • Worked on Windows Server GPO to ensure they are properly applied and have the accurate settings as required.
  • Developed and maintained Automated reporting for extracting and saving servers SHR data using complex scripts and SQL queries to another DB or NAS shares.
  • Ran monthly or adhoc manual and automatic scans to ensure the systems security settings are in full compliance.
  • Worked with multiple teams to ensure their systems are fully patched and compliant.
  • Performed data analysis to make sure our SHR data is fully aligned with Tableau.



TECHNICAL / ACCESS SPECIALIST (IAM)

DEFINITY FINANCIAL CORPORATION
07.2017 - 11.2021
  • IT Security-Identity and Access Management Provision and de-provision user (Broker / Internal), System ID and group accounts on multiple OS platforms, applications, folders and directories.
  • Using the Sailpoint IdentityIQ (IAM tool) to create and maintain the User Entitlements and Design Roles as per the requirements for each Business and Governance to automate the Access provision and de-provision process.
  • Provide support in case of any task failure or other issues when running the Sailpoint Identity IQ.
  • Create shared mailbox for multiple users on request.
  • Create and assign AD Certificates to users in correspondence to their roles.
  • Migrate user data (Home Drive) when transfer is requested between different physical locations.
  • Provide day to day support by creating, modifying and disabling accounts on a variety of applications.
  • Assist with resolution of inquiries and escalations due to problems with software/hardware of all supported Economical Insurance Group Systems. - Follow-up with customers to make sure that system/application is working as needed.
  • Utilize technology tools such as Sailpoint IdentityIQ, IBM zOS Mainframe, Extranet (TAM/Websphere/ISAM), Active Directory, IBM Tivoli Directory Server (TDS), Lotus Notes, Salesforce, GuideWire, Oracle Apps, Google Analytics & Tag Manager, SharePoint, Service Now and other 3rdparty software resources to complete provisioning tasks.
  • Part of the IAM project in testing the new tools being developed for the purpose of IT Security-Identity and Access Management.
  • Perform the Disaster Recovery (DR) Test when requested and coordinate with other teams to make sure the system is ready in case of any emergency.
  • Report any inconsistencies of access that could be a security concern; work with the team to develop the action plan minimize the risk.
  • Work with the Change / Problem Management teams to expedite the change requests or solve the issues.
  • Participate in application testing as needed to ensure system application is running as required to perform daily function and capabilities. Create and maintain system application documentation.
  • Prepared and maintained Daily, Weekly and Monthly metrics reports of access requests and incidents.

SYSTEMS ADMINISTRATOR

NEOPART CANADA LLC
05.2013 - 02.2016
  • Served as the primary tech resource in implementation and migration of Wintel and Windows Servers 2003, 2008 R2 and 2012 R2 virtual machines.
  • Installed new Windows Server 2012 DCs after decommissioning old server boxes.
  • Administrated and managed 50 + servers including physical and virtual.
  • Upgraded the domain controllers from 2003 and 2008 R2 to 2012 R2; Seized and Transferred FSMO roles.
  • Created DNS, primary, secondary forward lookup, reverse lookup and stub zones with host A and host AAA record with TTL.
  • Imported bulk users from a .csv file using the CSVDE and VB Script; by running the scripts in PowerShell.
  • IT Security-Identity and Access Management Provision and de-provision user and group accounts on multiple applications, folders and directories.
  • Used Manage Engine AD for provisioning and de-provisioning permission purposes.
  • Managed 200 Group Policies (GPOs) and assisted OU administrators with GPOs while maintaining the highest standard of infrastructure security at all times.
  • Performed Desktop System Integration setup by Installing Oracle on Client Computers and setup Outlook with Skype for business.
  • Configured folder re-direction and scripts; configured GPO preferences.
  • Managed Quotas, File screening and storage Reports by using FSRM; Configured DFS Namespace & DFS Replication.
  • Build and managed WSUS servers to allow automatic updating and patching of Windows servers and clients.
  • Applied critical patches and updates from the Microsoft Updates using the WSUS.
  • Worked extensively on VMs, VM Templates, Clones and VM Snapshots on ESXi 5.5 and ESXi 6.0.
  • Converted Physical Machines to Virtual Machines (P2V) using vCenter Converter.
  • Created and configured Virtual Switches and Virtual Machines in vCenter Server.
  • Created Resource Pool of CPU and memory in ESXi clusters for load balancing.
  • Configured VMware Distributed Resource Scheduler (DRS) & High Availability (HA) cluster.
  • Installed security patches manually with powerCli and Update Manager in ESXi 5.5 and 6.0.
  • Maintained Compliance with Corporate defined Security Policies during Server Health Check.
  • Performed Host and Storage vMotion as per requested by the IT Team.
  • Created and deployed SCCM 2012 Application Deployments and Packages.
  • Troubleshoot access and permission problems to common resources, implementing security permissions on the windows 2012 R2, 2008 R2 network.
  • Used Service Now to keep track of requests and Incidents assigned to the team.
  • Interacted with operations team and clients for verification of solutions.
  • Prepared & maintained Daily, Weekly and Monthly reports of incidents.

WINDOWS ADMINISTRATOR

IQOR CANADA
06.2012 - 05.2013
  • Build and administrated windows server and Active Directory 2008 R2 and 2012 R2.
  • Administrated and managed 40 + servers including physical and virtual.
  • Build, configured and managed and new Virtual Machines on ESXi 5.0
  • Raised the functional level of a forest; created trust relationships between domains and forests.
  • Moved operational master roles in Active Directory by using the NTDSUTIL command-line tool.
  • Configured Group Policies by using Group Policy Management Console on Site, Domain and OU level.
  • Configured domain and local security groups and permissions of an OU to a security group.
  • Created and configured sites; managed Active Directory site topology.
  • Planned an administrative delegation strategy and OU structure.
  • Created profiles and configured User/Group Policies; created users/groups, and provisioned/de-provisioned sharing permissions.
  • Tested and installed updates and patches for Windows Servers and clients using the WSUS.
  • Configured, managed and troubleshoot DHCP, DNS, and firewalls.
  • Managed hardware and software issues and vendor coordination and worked on Hardware, IBM, HP and Dell servers.
  • Utilized the Service Now ticketing tool to keep track of all the Incidents and requests assigned to the team.

DESKTOP ADMINISTRATOR

ENVIRONMENT CANADA
04.2011 - 05.2012
  • Provided onsite desktop, email and phone support for hardware and software.
  • Configured, installed and troubleshoot desktop issues related to hardware and software.
  • Managed user accounts and permissions, setup email accounts and network shared folders.
  • Logged all incidents and end user requests, identify recurring problems, and provide necessary workarounds fixes and resolutions.
  • Deployed and troubleshoot new and existing Microsoft and other third party applications.
  • Acted as the single point of contact to resolve end user incidents and service requests.
  • Escalated and solved the trouble tickets based on the Service level agreement.
  • Resolved software issues like device drivers, registry entries, compatibility issues.
  • Consulted user guides, technical manuals and other documents to research and implement solutions.
  • Installed, troubleshoot, maintain and build desktop and laptop; installed OS Windows XP and 7.
  • Routed the tickets accordingly to resolve client issues in a timely manner.
  • Resolved incidents in a timely and customer satisfactory manner.

TECHNICAL SUPPORT ANALYST

CANADA REVENUE AGENCY
08.2010 - 01.2011
  • Analyzed and narrowed down the issues with the systems using the Remedy Ticketing Tool.
  • Created and assigned tickets to the designated departments for the issue resolution.
  • Solved complex technical issues for customers over the phone or emails.
  • Created and update user profiles, set and reset passwords for the users using Microsoft Active Directory
  • Troubleshoot and assign User access to multiple files and directories.
  • Installed and configured applications remotely and in person.
  • Installed and maintained Windows and desktop software, service packs, patches, and anti- virus updates.
  • Created and install backups on laptops and PCs.
  • Managed assets inventory and deployed desktop images to end users.
  • Effectively made recommendations to IT users on selection of hardware and software.
  • Troubleshoot printer issues, such as network connectivity and cartridge issues.
  • Worked with third party vendors to resolve issues with hardware or software covered by annual maintenance agreements.

Education

Advanced Diploma - COMPUTERS SYSTEMS TECHNOLOGY - SYSTEMS ANALYST CO-

Sheridan College Institute of Technology And Advanced Learning
Brampton, ON
05.2012

Skills

  • Microsoft System Center Configuration Manager (SCCM)
  • Microsoft Windows Server 2008, 2012, 2016, 2019 and 2022
  • Active Directory
  • GPO Administration
  • Scripting/Automation
  • RBAC (Role Based Access Control) in SailPoint IdentityIQ
  • VMware Esxi 60 and above
  • Microsoft Azure
  • MS SQL server and IIS

Languages

English
Full Professional
Urdu
Full Professional

Certification

  • MCP – Windows Server 2012
  • MCTS – Administering and Deploying System Center 2012
  • VCA – vSphere 6 Foundation
  • MCSA – Windows Server 2012
  • VCP – vSphere 6 Foundation

Timeline

SERIOR INFRASTRUCTURE ENGINEER

TCS (CLIENT: CIBC)
11.2021 - Current

TECHNICAL / ACCESS SPECIALIST (IAM)

DEFINITY FINANCIAL CORPORATION
07.2017 - 11.2021

SYSTEMS ADMINISTRATOR

NEOPART CANADA LLC
05.2013 - 02.2016

WINDOWS ADMINISTRATOR

IQOR CANADA
06.2012 - 05.2013

DESKTOP ADMINISTRATOR

ENVIRONMENT CANADA
04.2011 - 05.2012

TECHNICAL SUPPORT ANALYST

CANADA REVENUE AGENCY
08.2010 - 01.2011

Advanced Diploma - COMPUTERS SYSTEMS TECHNOLOGY - SYSTEMS ANALYST CO-

Sheridan College Institute of Technology And Advanced Learning

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Atta Rehman