Diptiman Mukherjee

Key highlights:

• Overseeing Network and Infrastructure Builds for Rise with SAP customers globally.
• Working with sales and pre-sales to understand customer requirements and translate them into solutions that are fit for the Rise with SAP ecosystem.
• Working with teams from multiple hyperscalers (GCP, Azure, AWS) on various aspects e.g. capacity, operational issues.
• Working with k8s clusters and Gardener for deployment/maintenance.
• Working with SAP internal support and development teams to find out scope for automation of manual work as well as enhancing existing automations.

Key highlights:

• Python based automations for - DR on GCP using cloudshell; SAP user creation using pynwrfc; mass kernel and hostagent upgrades.
• Powershell based automations for Windows server maintenance pre/post checks, drive label rename.
• VBS based automation tool for capturing SAPGUI screenshots in ABAP systems (US patent pending).
• Automations for Infrastructure as Code (IAC on hyper-scalers) and automated SAP deployments on multi-cloud platforms using DevOps tools (Jenkins, Terraform, Stackstorm, Ansible) reducing system setup times by ~60%.
• Liaise with internal specialists, Product/Engineering teams to setup reference architectures (scale-up/scale-out/multi-tenant) on Virtustream Enterprise Cloud (VEC), Google Cloud Platform (GCP) & Microsoft Azure.
• Network setup in a hub-spoke model for productive environments encompassing VPNs, firewalls, load-balancers etc. on GCP, Azure, VEC.
• Extensive hands-on with High Availability of SAP products with pacemaker, SIOS clustering software.
• Increase application resiliency by setting up and testing of Disaster Recovery environments on GCP, Azure, VEC.
• Overall automation initiatives helped Dell save approximately 1000-man hours of work a month.
• Understanding and experience with various monitoring tools both below and above the hyper-visor and their integration with ticketing tools like Service Now.
• POCs for containerization and container orchestration technologies Google Kubernetes Engine (GKE) and Azure Kubernetes Services.

Key highlights:

• Greenfield implementation of S4 HANA as part of Hewlett Packard's digital transformation project.
• End to end SAP FIORI and mobility setup.
• Performed HA setup and testing using HPE Service Guard.

Key Highlights:

• Deep technical support consultant for various SAP databases (Oracle, MaxDB, DB2, HANA) and applications in a cross-client environment comprising of nearly 30 customers.
• Disaster Recovery setup, mock DR drills and RTO/RPO reviews for 12 customers.
• Performance optimization, template setting for regular landscape review.
• Helped in process optimization for shared services delivery reducing incident count by 35% in a year.
• Established automations to reduce delivery times of system refreshes by 60%.

• Worked as team leader, managing and technically leading a team of 38 IBM SAP consultants working from 3 locations for British Petroleum.
• Interacted with key customer stakeholders on weekly and monthly basis, addressing concerns and planning operations of their SAP landscape.
• Prepared and presented SLA/KPI, capacity and utilization reports to customer and IBM leadership.
• Planned, harmonized, led and executed 5 complicated quarterly maintenance cycles (2-day downtime windows) for the customers complete production landscape. The planning and overall executions were exceptional, resulting in 0 retrospective P1s/P2 - something unprecedented for the customer at that point.

• Worked as Technical Landscape Owner and SAP Basis Subject matter expert for petro-chemical organization, Syngenta.
• Worked with key customer stakeholders to design, plan and maintain their overall SAP landscape.
• Prepared guidelines, SOPs and guided L1, L2 teams for critical operational issues.
• Developed shell scripts to automate capacity planning forecasts for Oracle databases, that helped increase availability from 99.0 - 99.5 %.

• Started as a BASIS support engineer for TCS and gradually got promoted to Technical Landscape Owner at SAP Labs India (contractual hire).
• Worked with over 1000+ SAP developers planning, building and maintaining ~3500 systems distributed over nearly ~50 landscapes.
• Performed OS/DB migrations, system refreshes, system upgrades alongside system troubleshooting.
• Worked on post-installation system configuration and kernel upgrade automations, saving nearly 100 man hours of monthly work.