Sethumadhavan Mahadevan

Sethumadhavan Mahadevan

Datacenter Officer

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location of Sethumadhavan MahadevanBengaluru, Karnataka, India

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  • Timeline

  • Skills

    Disaster recovery
    Unix
    Data center
    Security
    Solaris
    Servers
    Software documentation
    Databases
    Management
    Leadership
    Project planning
    Storage
    Risk management
    Infrastructure
    System deployment
  • About me

    Senior Manager Engineering at Tesco HSC

  • Education

    • University of Madras

      1987 - 1990
      Bachelor of Science (BS) Physics First Class
  • Experience

    • Citi

      Mar 1993 - Sept 1997
      Datacenter Officer

      Responsible for Datacenter Operations like End of day process scheduling, card Billingand Financial Transfers. Responsible for DBA Operations and ATM monitoring. Responsible for preparing MIS report. Adopted a methodology of "ONE TEAM" concept which proved and worked efficiently.

    • ANZ Grindlays Bank

      Sept 1997 - Dec 1999
      Senior Datacenter Officer

      Responsible for Datacenter Operations like End of day processing with Bank Master &jobs scheduling with Control-m Responsible for generating CARDPAC, VISION plus, CBSreports formatted with control-d utility and ensured that it reaches the end user with in thestipulated SLA's. Responsible for Scheduling System and Database Backups. Responsible for preparing Monthly Information Statistics..

    • ANZ

      Dec 1999 - Dec 2007

      Provided road map for Solaris and HP UX Systems across ANZ UNIX Platform. Planned and Designed Disaster Recovery Test end to end for GFX and GCB Servers. Planned, Designed and migrated Control-M Scheduled manager servers from old to newhardware. Planned and implemented Firmware upgrades for all HP Servers across the Estate. This is a hugecost savings to the company. Transitioned the entire Project and support work from ANZ Melbourne to ANZ Bangalore. Planned and Implemented Live Upgrade Technology in Solaris across ANZ Bank. Responsible for migrating the systems from E10k to F15k. Outstanding performance award for development and implementation of the Project HOPE.(Migrated HPUX 11.00 to 11.11) Responsible for regularly setting key performance goals for my team. Show less Team leader and Senior Technical resource, responsible for the planning, documentation andappropriate allocation of tasks to team members, along with tracking and reporting progress. Development of standards processes and procedures to further enhance the security and systemsmanagement of the Bank's Unix systems (with particular reference to Sarbanes-Oxley legislation). Primary HP technical specialist within the department, responsible for the specification,implementation and support for the Bank's HP and Solaris infrastructure, including buildstandardization using Ignite. Best performer award for Upgrading MQ series Web sphere from 5.1 to 5.3 Played a key role LTO tape library migration. Best performer award for upgrading Omni back 3.1 to Omni back 4. Bug issues fix for HP Omni back/Data Protector Show less

      • Technical Consultant

        Jul 2003 - Dec 2007
      • Senior Unix System Administrator

        Jan 2001 - Jun 2003
      • Unix Administrator

        Dec 1999 - Dec 2000
    • Tesco Bengaluru

      Dec 2007 - Jul 2016

      Highly visible leadership role, providing 24x7 technical support services for 12 different countries across 3 business units, namely, in-store retail, online shopping and Tesco Bank Member of infrastructure leadership team interacting with regional Head of Technologies to guide strategy and execution related to infrastructure. Devised transition strategy moving infrastructure services in house from across geographies without affecting the quality of service and delivery of projects. Extending high-end technical support related to Unix OS and, hardware. Leading a high performing team of UNIX & Backup/technology experts catering for end to end services across multiple Flavors of UNIX with latest technologies for 12000+ Servers. Show less Technical Manager 12/2007 to 08/2013Tesco HSC BangaloreUNIX and EMC Networker backup specialist.Provide technical leadership to better utilize existing technology and to introduce new idea asappropriate.Architecture Decisions on using latest products like Live Upgrade, ZFS, Container/Zone Deployment,Linux clustering with GFS.In case of service lines perform role of senior manager responsible for delivery of a service/solutionacross Geographical locations ensuring SLAs, schedule, quality and customer satisfaction.Responsible for change request management, compliance and risk management.Ensure Operational Excellence and center of Excellence for UNIX, Backup and Storage.Devising strategies for Disaster Recovery Management, including planning and designing servers forbackup and recovery. Can-do" attitude, take ownership of problems and follow to logical conclusion.Technical Support: Providing escalation support to the UNIX team & business end users,troubleshooting customer queries on different operating systems and related Hardware.. Show less

      • Senior Manager IT Service Delivery

        Aug 2013 - Jul 2016
      • Technical Manager

        Dec 2007 - Aug 2013
    • Standard Chartered

      Jul 2016 - now

      Responsible for system designing and provide cost summary based on the design across the bank on the customer needs.• Analyze the requirements and provide suggestion on reducing the cost and also provide more capabilities ideas to the customer.• Responsible for Obsolescence Remediation like oracle DB Migration from 11g, 12c to 19c, windows 2008 to 2019 and RHEL 6.x, 7.x to RHEL 8• Actively involved as individual contributor in setting up the Chatbot to our Enterprise Technology (ET ISDM) • Formulated completely new JIRA workflow for Cloud Onboarding across Enterprise Technology (ET ISDM)Cloud Transformation• Responsible in giving solution design to migrate the servers from on-prem to AWS/Azure Cloud. o 3 Type of cloud setup in our organization Public Cloud AWS/Azure Private Cloud VMware  Hybrid Cloud On-Prem and Public Cloudo 3 Types of service models based on the business needs IAAS - Infrastructure as Service PAAS – Platform as Service SAAS – Software as serviceo Architecting approach for AWS includes  lift and shift (Deploy existing Apps with minimal re-design by using core services such as EC2, EBS and VPC Cloud-optimized to gain cost and performance benefits from AWS Services such as Auto Scaling Groups, RDS. Cloud native architecture (security, scalability, cost, and durability.)o Till date we have migrated around 22+ applications from on-prem to cloud by using cloud Endure technology. o We have formulated types of hosting in our environment. Dev Ops• Have used/using Dev Ops tools like JIRA, Confluence, Bitbucket, Run deck, Jenkins, Ansible and DockersRewards & Recognition• Based on the individual performance for Cloud on-boarding workflow bagged ET Gems Award for Q3-2021.• As a team we got recognized in our yearly ET Town hall with ET Elevate award for formulating Cloud on-boarding workflow for ET ISDM. Show less As a Vice President, I strongly believe on the importance of managing resources, schedules, change and quality in such a way that every individual contributes to the success of the organization. Responsible for managing Infrastructure support and delivery across the globe Acted as SPOC for managing Bank SLA for all hardware related issues and made sure that it is in line with Vendor SLA. KPI reports are submitted on regular basis to senior management. Setup and drive regular cadence meeting with vendor to review operational efficiency, OLA and SLA. Acted as a key point of contact in handling critical and high severity incidents and provide regular updates to stakeholders. Successfully managed and delivered large transformation programs such as – Hardware refresh, Datacenter relocation and consolidation. Drive the design optimization process which has achieved significant cost savings and provided transparency in billing. Create and run the approval process for managing critical changes on business critical infrastructure. Automation of patching upgrades and rebuild activity using Ansible and Rundeck. Reduced the Incident Ticket counts from 500+ to 50+ with the help of automation tools like Ansible, Run deck and BAO. Collaborate with Delivery team to further optimize the build process, using automation and reduced the server provisioning time from 30 days to 7 days. Automated regular routine tasks like password reset, unlocking users etc. thru Automation. Introduced automation for server build, streamlined SAT and OAT process Brought the entire Non-prod Estate under BMC Patrol Monitoring and formulated process to pave way for Production CMDB updates are well maintained by using BMC ADDM/Tideway discovery toolExperienced in managing cost, timescale, quality and benefits realization requirements with the agreement of Senior Stakeholders and demonstrated skills in managing individual project risks. Show less

      • Senior Solution Designer

        Apr 2020 - now
      • Vice President – Tech Support - Platforms

        Jul 2016 - Apr 2020
  • Licenses & Certifications

    • Amazon Web Services Solutions Architect - Professional

      Amazon Web Services (AWS)
      Jun 2020
    • Microsoft certified Azure Fundamentals

      Microsoft
      Mar 2022