24+ years of IT experience with vision and leadership insights to strategically plan, deliver excellent experiences through digital channels for our customers and championing technology that makes IT deliver simpler, better & faster. Played various Roles – Architect (Infrastructure, Platform, DevOps, SRE & Cloud) & Technical Delivery Manager
Hi, I’m
Ram Prasad Mahadasyam
Principal Engineer
Summary
Skills
Public & Private Cloud Migrations
undefinedWork History
Citicorp Services India Private Limited
API Platform Lead (SRE, API Gateway & Cloud Migration Lead)
09.2022 - Current
Job overview
- SRE – Created a SRE strategy & roadmap for Citi Bank Client facing digital applications (Mobile, Web & API) and execution of the same to improve the Availability & Resiliency of the platform by following the principles of Availability, Resiliency, Reliability, SLOs/SLIs, DevOps, Release Management, Observability etc
- Designed release deployment process so that the impact of the newly application deployments are minimal by way of isolating a given datacentre out from live, deploy & test in isolation and allow gradual live users to the new release version
- DevOps – Optimization of Continuous Integration, Continuous Deployment processes
- Shift Left to identify problems in the early development cycle by way of integrating the Integration testing, security testing in CI/CD process
- Integrated security testing in the developer machine by way of adding
- API Gateway – Lead the APIs migration from IBM APIC v5.0 to Apigee API Gateway
- Designed HA of Apigee Deployment Architecture, Apigee organizations, deployment models such a way multiple apps across various departments can share the same Apigee infrastructure for Citibank APAC Retail Mobile, Web and Partner apps
- Openshift Cloud Migrations - Migration of API from Pivotal Cloud Foundry to REDHAT OpenShift Private Cloud Platform
- Capacity planning & Performance monitoring of Openshift Platform
Barclays Global Services Private Limited
Online Channel Platform Lead (Public/Private Cloud Migration Lead & DevOps)
07.2018 - 09.2022
Job overview
- Design & Deliver Infrastructure & Platform (DevOps) from legacy infrastructure to both Private (On-premise) Cloud and Public Cloud platforms of Barclays Online Retail Banking applications
- Business cases preparation for Cloud Migration including various options & proposals from the perspectives of Cost, Productivity, Operational Resilience, Business agility, Secure Posture etc
- Driven several initiatives across the bank in planning, designing, influencing decisions in delivering legacy platforms into short, medium and long term roadmaps, plans and deliverables
- Short Term – Capacity enhancements, Patching/upgrades, Branching strategy (GIT Flow)
- Medium Term – CI/CD Automated application deployments, Migration to strategic central tools (CI/CD, Code repository, Code Quality Tools, etc.)
- Long term – Migration to Cloud Platforms, both Private and Public cloud
- Able to solve some of the critical problems for the bank
- Solutions for EOSL (End of Life/Support) products and their migration plans
- Infrastructure Configuration Management & Automated application and infrastructure deployments (Environment as a code helps in replicating the code & infra exactly same)
- Logging and Monitoring – Both Functional, Non Functional and Security requirements perspective
- Session Management – Externalization the Customer Session away from JVMs
- Containerization of application using Kubernates PODs, Image Management
- Integrate with Content Delivery Network & Content Management Integration solutions
- Patching, Upgrades, Vulnerability Management of Infrastructure, Capacity Planning and Risk Management
- Layer 7 Traffic Management, Release management & Cost Management
- Migration Options – Big bang Vs Phase-wised migration plans.
British Telecommunications Plc
Technical Delivery Manager & Platform Architect
11.2012 - 07.2018
Job overview
- Design & Deliver highly available, Geo-resiliency & Scalable BT’s highest volume websites (www.bt.com, www.btwholesale.com, www.productsandservices.com) serving personalized customer experiences via BT.com and home.bt.com (BT Prime Online internet & intranet portals), whilst offering customers account management features via BT.com and through web views into the MyBT app
- Design, Deliver & Support very high volumes for several major sporting events across various digital channels (via Web sport.bt.com, TV & App)
- Lead technical teams across UK, India and Sri Lanka supporting Platform Design, DevOps (Build, Deployment and Monitoring) of various test & production systems of British Telecom (BT) prime online portals
- Non-functional platform design changes across various tiers Traffic Management (Pulse Secure), Web Server (SunOne & Apache), App Server (Weblogic), Content Management (AEM, TeamSite & Oracle WCS) & Oracle Database of the platform
- Introduction of NoSQL- MongoDB to support Omni channel shared baskets and Caching of slow running OSS stack APIs to speed up experiences
- Designed & built WaaS (Web Server as a service), PaaS (Platform as a Service) and DaaS (Database as a Service) using Solaris Virtualization & Veritas Cluster Server (VCS) for HA
- Prepare Infrastructure roadmaps (from architecture review and End of Life/End of Support (EOL/EOS) products, etc) and identify, design and implement technology proof of concepts
- DevOps - E2E environment creation as a service using Infrastructure As A Code (AWS Cloud Formation, CHEF & Ansible) and Jenkins pipeline library (Shell, Groovy, Python)
- HA/Resiliency/DR - Responsible to design & build High Available, Reliable, Resilient, Scalable, Performant & DR applications for Barclays Online Retail Banking & British Telecommunications
- CDN - Responsible for the production platform high availability and resilience using tiered publishing and edge caching software/Content Delivery Network across Limelight & Akamai
- Containerization/Virtualization - Docker images deployed in Open Shift Clusters & AWS ECS
- Containerization using Solaris 10 ZONES (Sparse and Full root Zones) for Solaris OS
- Observability - Log Monitoring (ELK, Splunk)
- Application Monitoring (Wily, App Dynamics)
- Operations - Release/Change/Deployment Management - Designed robust process of agile deployments across various environments with no downtime
- Review/Drive the cutover planning, back-out planning, dress rehearsal for change initiatives
- Provide guidelines/steps/consultancy to Application Support Groups to ensure live changes are performed in a right manner with minimal outage, identification of root cause analysis, etc
- Performance Engineering - Provide guidelines for performance test strategies, business metrics, and measurement metrics to support ROI and SLA calculations
- Identification of bottlenecks, tuning the infrastructure components (Operating System & software components) from the PT results
- Security - Familiar with IDS (Intrusion Detection System) & IPS (Intrusion Preventive systems)
- Middleware Architect - Produced various platform/software designs - Layer 7 Load Balancer, SunOne Web Server, Weblogic Application Server, CA Siteminder designs for Support SSO
- Veritas Clustering Design and implementation for Weblogic, IBM MQ and Oracle Database
- Designing the asynchronous messaging architectural flows and integration with application layer using IBM MQ and Weblogic JMS
- Solaris 10 Virtualization using Containers & LDOMs, design to ensure hardware resources utilization is capped using Solaris Projects, CPU Shares, memory management, etc
- Resiliency design from Network components failure using Dynamic Multipathing (IPMP) of Solaris & Veritas DMP
- Infrastructure Designs - Work closely with Network Designers, Storage & Backup designers in coming up with the Network, Storage (NAS & SAN) & Backup (Netbackup, Netapp Protection Manager, CommVault) designs to suit the platform requirements
- Preparation & implementation of Non Functional test cases for the platform
- Vendor Management - Liaison with external vendors likes Symantec (Veritas), Oracle (Weblogic & Database), CA Siteminder, Endeca, etc during the design phase & for issue resolution.
TATA Consultancy Services Ltd
Platform Architect
09.1999 - 11.2012
Job overview
- As a Platform Architect, defining, planning and building platforms/systems with 8 Years of Onsite experience across USA and UK
- Designed & built WaaS (Web Server as a service), PaaS (Platform as a Service) and DaaS (Database as a Service) using Solaris Virtualization & Veritas Cluster Server (VCS) for HA
- Lead and Mentor platform designers, In-life and development teams to implement and adopt architecture and technology best practices
- Capacity Planning - Hardware and Software
- Involved in identification of hardware as per Data centre Power, Heat and Space specifications
- Server Consolidation, storage utilization reduction
- Performance Engineering - Provide guidelines for performance test strategies, business metrics, and measurement metrics to support ROI and SLA calculations
- Identification of bottlenecks, tuning the infrastructure components (Operating System & software components) from the PT results
- Security - Familiar with IDS (Intrusion Detection System) & IPS (Intrusion Preventive systems)
- Provide requirements, identification & resolution of any security loopholes identified in Security/PEN (Penetration) testing.
Education
Andhra University College of Engineering Campus, Visakhapatnam, A.P, India.
B.Tech from Instrumentation Engineering
06.1995 - 06.1999
University Overview
Certification
AWS Solution Architect Associate
Timeline
API Platform Lead (SRE, API Gateway & Cloud Migration Lead)
Citicorp Services India Private Limited
09.2022 - Current
AWS Solution Architect Associate
10-2020
Online Channel Platform Lead (Public/Private Cloud Migration Lead & DevOps)
Barclays Global Services Private Limited
07.2018 - 09.2022
ITIL V3 Foundation Certification
12-2015
Technical Delivery Manager & Platform Architect
British Telecommunications Plc
11.2012 - 07.2018
TOGAF 8 Certified
01-2011
Six Sigma Green Belt Certified
06-2004
Sun One Directory Server Certified
12-2003
Platform Architect
TATA Consultancy Services Ltd
09.1999 - 11.2012
Andhra University College of Engineering Campus, Visakhapatnam, A.P, India.
B.Tech from Instrumentation Engineering
06.1995 - 06.1999
Similar Profiles
Sandra AminSandra Amin
Deputy Counsel at Citicorp Services India Private Limited (CSIPL)Deputy Counsel at Citicorp Services India Private Limited (CSIPL)
Sathiesh ArunachalamSathiesh Arunachalam
Loan Doc & Product Analyst 2 at Citicorp Services India Private LimitedLoan Doc & Product Analyst 2 at Citicorp Services India Private Limited
SUSHMITHA R SSUSHMITHA R S
Operations Support Specialist at Citicorp Services India Private LimitedOperations Support Specialist at Citicorp Services India Private Limited
K.Vinoth KumarK.Vinoth Kumar
Manager – AML/KYC Governance & Operations – C11 at Citicorp Services India Private LimitedManager – AML/KYC Governance & Operations – C11 at Citicorp Services India Private Limited
Prudhviraj Kumar ChinasaniPrudhviraj Kumar Chinasani
Lead Cloud Engineer With Java API at Huntington National BankLead Cloud Engineer With Java API at Huntington National Bank