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Gunaseelan Madhavan – 16 years’ exp in IT Infrastructure DeliveryServices & IT Transformation ProjectsGunaseelan.Madhavan@Hotmail.com & LinkedIn & TwitterCell: 44 7442316163 (United Kingdom)About Me: Throughout my career to date. I have designed and implemented multipleinfrastructure projects in Life Sciences, Financial, Banking, Investment and Retailindustries to support their business digital transformation. Solution-Oriented and Resourceful Architect with strong technical and functionalknowledge of core IT enterprise systems and Cloud Architectures. Strong Client/Server technology, storage, and networking background with a provenability to build and manage creative, highly energized, focused teams. Expert in the design and delivery of cost - effective, high-performance informationtechnology infrastructures and applications to address critical business issues byassessing current capabilities and designing future technology architectures to achievestrategic technology plans that align with the business’s strategic initiatives. Extensive qualifications in all facets of project life cycle, from the initial feasibilityanalysis and conceptual design through documentation, implementation, user trainingand enhancement.Education and Certifications Bachelor of Engineering in Electronics and Communication (1995-99), BharathidasanUniversity, Tiruchirappalli, Tamil Nadu. INDIA. AWS Certified Cloud Practitioner, Security - Specialty Microsoft Azure Certifications: Administrator, Security Engineer & Solution Architect Achieved Microsoft Certified Solutions Expert (MCSE) Upgrading Your Skills to MCSA Windows Server 2012 (70-417) Enabling Office 365 Services (70-347) Managing Office 365 Identities and Requirements (70-346) Advanced Solutions of Microsoft SharePoint Server 2013 (70-332) Core Solutions of Microsoft SharePoint Server 2013 (70-331)Red Hat Certified Engineer – RHCE v 4.0ITIL V2 Foundation CertifiedCourse Completion: PMP EXAM PREPARATION COURSE (Awarded 36 PDU)Course Completion: MS Project 2010 for Project Managers (Awarded 16 PDU) Page 1 of 8
Professional Skills: Technical Architect/SME: Cloud Design and Implementation Experience Good expertise in Cloud Computing Technologies like Azure, AWS and GCPcovering wide range of services in Compute, Networking, Security, Database,Storage, Monitoring, Serverless etc., Skilled in creating and maintaining infrastructure using Terraform. Hands on Experience with Google BigQuery Project. Good Knowledge in Container Orchestration and in building, Maintaining,Deploying and Monitoring GKE, EKS and OpenShift Kubernetes clusters. Technical Architect/SME Hypervisor: Nutanix 5.15.x – 6.x, VMware ESXi 5.5 – 6.x and Microsoft Hyper-V 5.0 Good Understanding on Docker administration and implementation Multiple projects on Virtualizing Wintel and Linux Servers. Hands-on knowledge on automating day-to-day tasks using PowerShell. Lead Technical Architect/SME: Citrix Virtual Apps and Desktops (Cloud & 7.x) Maintained the Citrix Cloud Connector services, WEM, Analytics, Director,Storefront services, Gateway, & ADC (Citrix NetScaler). Designed and Implemented User Profile Solutions with Microsoft FSLogix. Designed, Implemented and Maintained the Nutanix Files environment. Monitoring & troubleshooting the issues in VDI platform using Citrix Analyticsand Director. Further optimization using SysTrack tool analysis. VDI – Windows 2016 Server OS – Shaded Desktop VMs with vGPU (NVidia TeslaM10) & Windows 10 OS (Single Session) Non-Persistent and Persistent VMswith vGPU (NVidia Tesla M10). Hands on experience in Windows 10 Master Image build using Citrix AppLayering and Provisioning application using App-V Application and controlledthorough FSLogix policies. Configured Citrix Policies and GPO for DEV, UAT and PROD environment, NVIDIA GRID License server setup and configuring Client VMs for license Hardening the OS as per CIS standard and managed through GPO. MS Windows & Office Patches using Ivanti, WSUS (For Persistent VMs) Security Vulnerability System – Qualys Good Understanding of Site Reliability Engineering concepts like Defining Measuringand improving reliability Metrics (SLO/SLI), Error Budgeting, Ops process (Incident,Problem and Change Mgmt.) and streamline/automate Release Management. Scripting: PowerShell, Shell (Practicing Python and administration related coding) Technical Architect/SME: Microsoft Active Directory, ADFS, LDAP, GPO, DFS, DNS,DHCP, KMS, Clustering, File and Print Services. Technical Architect/SME: Microsoft SharePoint 2013 Administration and Migration,Microsoft 365 Administration and Skilled in Windows Exchange server.Page 2 of 8
Technical Architect/SME: Microsoft System Center Suite projects including VMM,SCCM and SCOM Technical Architect/SME: Hands on experience in Red Hat, SuSE, CentOS Linuxadministration. Database Administration skills: MS SQL 2005 – 2016, MYSQL and Oracle. Cisco unified Computing System (UCS): including Cisco UCS Manager, Cisco BladeSeries Servers, and Cisco Nexus Switches. Project Management skills: Planning and Change Management, Tools – Service Now,Trello, Azure Devops and knowledge on Agile Methodlogies for Task Management,Design tasks. Good Understanding of The Open Group Architecture Framework (TOGAF)Project Experience:Cloud Engineer Operations – Professional Services – Cloud CIS: Hands on experience with Cloud based hosting solutions (AWS-EC2/S3, Azure,Google Cloud) With large-scale infrastructure designs, implementation, and support Experience in migrating on-site solutions to cloud-based offerings, such as Amazon'sAWS, Azure and GCP Strong foundation of knowledge around various AWS services like Cloud FormationTemplates, Cloud Watch, Cloud Trail, encryption, logging, and Lambda Strong foundation of knowledge around implementing an DevOps pipeline usingJenkins and the AWS CI / CD tool sets Cloud cost optimization, migration readiness assessments and value realization Good programming skills (Perl, Bash, Python or similar), along with excellentproblem-solving and debugging abilities Coordination with development teams on various tasks to assist on provisioningscalable, reliable, and resilient software running in the cloud Provide input to develop performance/security management of the platform Worked with development and product management teams to transition and operatecloud-based workloads Performance Management - Monitor and tune system to achieve optimumperformance levels, and provide reports to support metrics collection Documenting design decisions and ensuring adherences, and enforcing existingprocess guidelines Supporting QA during testing, and oversight during implementation into production Supporting PM in technical tasks & delivery schedule developmentCitrix Architect – EMEA IT Site Leader:Individual Contributor: Migration to Windows 10 VDI platform from Windows 7 VDI. Assessed Existing Citrix POC environment at client environment and identified thegaps in design. Modified Technical Solutions Design Document for the project after conducting athorough analysis of the documented business requirements.Page 3 of 8
Re submit the design document to Internal Design Authority Board and got approvalfrom the board.Designing Elements Includes:Citrix Cloud - MCSWin 2016 – Shared DesktopWin 10 – Single SessionCitrix WEMCitrix Applayering – OS BuildSCCM – OS Build (Persistent Desktop)NutanixVMWareFSLogix – User ProfilesMS OneDriveMS TeamsOffice 2019 and 365App-vGPO, Citrix PoliciesActive Directory – OU DesignNetscalarWindows Hardening as per CISSymantec Endpoint SecurityCisco UCSDell XC Nodes-(HCI)Systrack AgentBloombergSharePoint IntegrationNutanix Files/vGPU (Nvidia Tesla M10)Lead for the Team: Project Implementation: Drive advanced engineering and support role within the area of Citrix Cloud, CitrixApplayering, Citrix MCS Provisioning Windows 10 VDI (Non-Persistent SingleSession, Multi-Session, Persistent VDI), Nutanix, Nutanix Files and VMWare ESXi Working with solution and system architects (peers) to deliver enterprise classvirtualization solutions and/or integration into our client’s virtual environment Complete solution product technical design, evaluation and prototyping withroadmaps for long term strategy in virtualization landscape Act as a key contributor to enterprise level strategic projects, meeting milestonedeadlines and accomplishing project action items Provide Escalation support to the Virtualization Services Team Tier 2, Group Policycreation and management, including Citrix specific GPO's, Printer Solutions,debugging issues utilizing Citrix tools and Microsoft System Internals Tools. Coordinate implementation of recommended solutions with operational teamsand evaluate the impact of changes across global sites (EMEA, APAC and AMRS) Ensure that proper operating procedures and controls are adhered to during thefull lifecycle of all computing environment throughout the enterprise includingdocumentation, VDI builds, VDI maintenance, monitoring, support,refresh/upgrades and decommission Facilitate training, coaching, and mentoring BAU team members to support thenew Citrix Cloud environment.SharePoint Project Experience - Individual Contributor:Performed the migration to SharePoint 2013 from SharePoint 2010 and SharePoint 2007through Staging/Testing and final cutover to Production environment. Assessed existing SharePoint farms for production, staging and test environmentsto support 4000 employeesGathered requirements, designed SharePoint sites/applications, and overlookedtheir implementationsDesigned, prototyped, and overlooked implementation of single click SharePointPage 4 of 8
solutions creation for multiple environments (Production/Staging/Test).Coordinated implementation, deployment, security, and networking issues withClient-side Infrastructure IT teamEvaluated SharePoint Online Migration to see when it is possible to start to use itin Production environmentCreated the Technical Solutions Design Document for the project afterconducting a thorough analysis of the documented business requirements.Created the Infrastructure Architecture and deployment plan for the creation ofthe development, staging and production environments.Provided architectural guidance for creation of a load balanced productionenvironment.Responsible for designing and implementing overall integration solution betweenSharePoint and existing business processes.Installed and configured SharePoint 2013 with High Availability Architecture4 SharePoint Server, 20 Site Collections, 10 Production Web Applications, SSPs,AD Profile Imports, Search, Query, Indexing, usage reports.Designed, Configured and Implemented Item level backup, restore and contentreplication using PowerShell.Integrating several custom Web Parts and Tool Parts and utilized them in theSharePoint sites to facilitate the overall integration solutionActively managed improvement efforts to customize Search function with uniquefeatures such as customized search result display, discoverable search(impersonation), user profile search (AD Lookup).Created InfoPath forms with navigation, template parts, and validation.Created customized master pages as per branding specificationsProvided post-production support for newly implemented custom web parts andthird-party solutions. Monitored the SharePoint farm including performanceoptimization and health monitoring.EUC Architect – IT Lead of Windows Infrastructure team: Project Abstract: Migrate all PCs (4000 Clients) from windows 7 to windows 10 whichincludes whole retail environment setup including TILL and In house developed PRODapplications, DB configurations and automated scripts used by clients to connect withstore server and centralized DB hosted in the AWS cloud environment. This includes bothStore sales and Online sales configuration.Technology - Wintel, Hyper-V, PowerShell, VBS Script, AWS MDT, WDS. HP ML 310, 350e G8/350e Gen10 Read and modified all the scripts and batch files that forms base to configurewindows 10 PCs to support various roles in stores including TILL PCs.Page 5 of 8
Setup application server from the backup image (VHD and WIM) and configuringthe application to communicate with respective SQL database server.Formulated systematic guide and coordinated with third party engineers tosupport deployment in all the stores distributed across UK.Written multiple PowerShell scripts for software installation remotely to all storePCs (3000 Exclude TILL PCs), update registry, to change few GPOs remotely tosupport application printing solution from Citrix and other errors raised by usersduring the deployment, reinstall Sophos AV software etc.,Setup POC env - Server migrations from Win 2008 R2 to Win 2016 with all storeserver applications and DB Project Abstract: Business separation from parent company, setup new IT Infrastructurefor the partner company moving out of business.Technology: Google Cloud Platform, Wintel, RHEL, CentOS, Hyper-V, PowerShell, Perl, XMLScript, SOS Job Scheduler, SCVMM, HP BL480c and HP c7000 enclosure. Coordinated with Business Intelligence team in separating Google Cloud BigQueryproject from parent company to new company.1. Prepared project plan for the project separation2. Setup new Google cloud project, create google buckets, datasets, Googlecloud functions and ETL integration for data conversion before store inGoogle BigQuery DB.3. Scripted to copy tables and modified the endpoints new Google project.4. Coordinated with different stakeholder and setup infrastructure to supportthe BI team.5. Created VM for SAP BO and worked on necessary network and firewall setupto connect with Cloud SQL and other end users.Installed and configured Windows Server and Linux servers in Hyper-V environment.Closely worked with firewall team, HP-UX Team, NetApp storage team and DB teamto setup the server in new datacentre.Worked with SOS Job Scheduler application and modified/troubleshoot existing Perlscripts/XML jobs to setup dataflow between local ftp, external ftp and local share thatconnected with multiple business applications.Setup Hyper-V clusters failover activities, coordinated with stakeholders foridentifying the business-critical servers, and distribute to right cluster.Employment HistoryCognizant Technology Solutions – Dec 2008 to Present – www.cognizant.comProject 1: (May 2020 – Present) Domain – Financial/Investment Project Abstract: Deploy Windows 10 VDI devices using Citrix and Nutanix, VMware,with MS Teams, Office 2019 and OneDrive as part of Digital Workplace Service.Project 2: (8 months (27-July-2019 to 05-May-2020)) Domain – RetailPage 6 of 8
Project Abstract: Migrate PCs (4000 Clients) from windows 7 to windows 10Project 3: (4 months (11-Feb-2019 to 25-July-2019)) Domain – Retail Project Abstract: Business Separation – Setup a new IT infrastructure.Project 4: (4 months (07-Nov-2018 to 28-Feb-2019)) Domain – Telecom Project Abstract: Migrating Citrix applications from different Third Party to BT Citrix.Technology: App-V 5.1 Sequencer.Performed application packaging and coordinate with Citrix team to publish theapplications to end user. Ensure applications are functioning as expected and troubleshoot the issues inconnectivity to applications andProject 5: (12 months (28-Aug-2017 to 31-Aug-2018)) Domain – Life Science Project Abstract: Client required an ongoing support of BAU activities to enhance their existing Client/Server environment, build & deployment processes.R&D Specialist Computing Team is Responsible for overall Information Technology (IT)for the Southampton and Cambridge site R&D & QC department and Clinical manufacturingTechnology: Win 2008 R2/2012 R2, SuSE Enterprise, WSUS, SharePoint 2013, PowerShell,NetApp, Altiris 7.5, Backup Exec 2014, Veritas 20.1, Symantec system recovery 2012 R2,Kaspersky AV, App-V 5.0 and Cherwell Ticketing tools.Responsible for Installing and configuring Windows 2008 R2/2012 R2 servers andSuSE Linux Enterprise edition v12 SP1 – SP3 in VMware virtualized environmentand hardening the servers in accordance with corporate policies. Managing the physical HP Blade servers and Quantum SuperLoader-3. Performing daily, weekly, monthly maintenance backups/restorative exercises(Backup Exec), reviewing server logs for potential issues, as well as by ensuringthat anti-virus software and security patches are updated. Responsible for managing SharePoint 2013, VMWare, Citrix VDI and NetAppStorage platform to provide a responsive and consistent computing environmentProject 6: (60 months (Sep-2012 to Jul-2017) Domain – Real Estate Project Abstract: CS Team is responsible to deliver a High-level server infrastructure service for the Staging and PROD environment on various technologies likeComputing, Messaging, Virtualization (Citrix, VMware).Technology: Windows 2003/2008 R2/2012 R2, MS-Clustering, Exchange 2010 and Lync,WSUS and SCCM, SharePoint 2013, PowerShell, SCOM, SCEP Anti-Virus solutions, HEATTicketing tools and Splunk.Responsible to manage Citrix XenApp 6.5 farm. Automated common and repeatable tasks using PowerShell scripts. key role in the migration of users Mailbox/Public folder to Exchange online. “Spot Award” in 2013 at Cognizant for outstanding performance in the project. “Best Employee Award” in 2015 at Cognizant for outstanding contribution in theSharePoint Implementation project.Project 7: 60 months (Dec-2008 to Jul-2012) Domain – Life Science Page 7 of 8
Project Abstract: Client required an ongoing support of BAU activities withenhancement of their existing Client/Server environment, build & deployment processesTechnology: Windows 2003/2008 R2, Windows XP & 7, WSUS, SEP, Remedy.Worked within a regulated environment using GxP or ITIL methodologies,adherence to change management best practices. Problem reporting and resolution, change control and SOP maintenance Administration tasks of Windows 2003/2008R2, Active Directory, Remote Support(using Hyena, Pstools), Patch Management and SEP. Providing end-user application support for laboratory systems including HPLC,Spectrometer and Chromatography systems, LIMS, internally developedapplications, analytics, and instrumentation specific software. “Spot Award” in July 2010 at Cognizant for outstanding performance in the project.GFT Technologies INDIA Private Ltd, Trichy - http://www.gft.comAugust 2004 to Nov 2008 System AdministratorProvided client server support operations for work involving problem determination andimplementation of changes to hardware, software, applications or network systems.Key Deliverables: Responsible for Installing, configuring and maintaining Windows 2003 Servers,RedHat Linux Servers, Exchange 2003, SharePoint Portal Server 2001 andSharePoint Team Services (2002) Administration, DNS, DHCP, WINS, replicationtopology design and maintenance, AD troubleshooting and many other tasks toprovide a responsive and consistent computing environment Managed CommGate Linux Firewall and Monitored the WAN connectivitybetween corporate office (Germany) and offshore site (India). Coordinated with respect Global IT team for any technical queries and changeactivities, implemented security policy and virus protection using McAfee as percorporate standard. I.DSM Soft Private, Trichy, INDIA - http://www.dsmsoft.com/August 2002 to August 2004 System AdministratorKey Deliverables: Managed the overall IT Infrastructure delivery for the Site Support of theGeospatial and Telematics department servers and desktops. Providing end-to-end service at Microsoft Windows Client/Server computing,Network management (Switch & Routers).Page 8 of 8
Performed the migration to SharePoint 2013 from SharePoint 2010 and SharePoint 2007 through Staging/Testing and final cutover to Production environment. Assessed existing SharePoint farms for production, staging and test environments to support 4000 employees Gathered requirements, designed SharePoint sites/applications, and overlooked
