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Vijaya Sekar
Verified Expert in Engineering
Cloud Architect and Developer
Dubai, United Arab Emirates
Toptal member since February 22, 2023
Bio
Vijaya is an enterprise cloud architect with 22 years of public cloud design experience, specializing in app modernization, cloud security, networking, data management, and automation. He helps businesses on their digital transformation journeys by moving workloads to the cloud and implementing a DevOps culture using the right tools. Vijaya also evaluates new cloud technologies and strategies to ensure solutions are scalable, reliable, and cost-effective.
Portfolio
Adfolks
Azure Cloud Services, AWS Cloud Architecture, Cloud Security, Networking...
Ascendum
AWS Cloud Architecture, Azure Cloud Services, Cloud Security, Networking...
Aris Global
AWS Cloud Architecture, Azure Cloud Services, Cloud Security, Oracle Database...
Experience
- Customer Support - 14 years
- Cloud Security - 8 years
- Azure Cloud Services - 8 years
- Terraform - 8 years
- IT Project Management - 8 years
- IT Governance - 8 years
- Cloud - 8 years
- AWS Cloud Architecture - 8 years
Work Experience
Lead Cloud Architect
2019 - PRESENT
Adfolks
- Designed and architected cloud security log observability with cloud-native SIEM solutions for multinational banks in the UAE.
- Architected an active-passive disaster recovery solution for a Dubai tourism data analytics platform in Azure cloud, with geo-replication, file storage data sync, and DNS failover using a traffic manager.
- Migrated DP World's Cargoes application from AWS to Azure and performed app modernization using Kubernetes for the application's deployment to the government of the Dominican Republic.
- Performed fintech applications migration to Azure and implemented Azure security with disaster recovery configuration for multiple regions, including the UAE, Southeast Asia, and Europe.
- Built and implemented Windows virtual desktops on Azure cloud, so multiple customers could securely access enterprise applications via Microsoft's managed secure brokers with Microsoft Active Directory authentication.
- Co-architected the migration of Dubai Expo 2020 mission-critical applications hosted on AWS cloud using blue-green deployment, relocating entire Platform Modules Bahrain, and integrating with multiple AWS PaaS Services for improved performance and HA.
- Handled Al Wasl Properties' data center migration to Azure cloud with an industry-leading firewall and load balancers from Azure marketplace.
- Provided expertise in the system and platform evolution in the cloud environment for the Day One migration to replatform, re-architect, and modernize the application.
Technologies: Azure Cloud Services, AWS Cloud Architecture, Cloud Security, Networking, Customer Support, Cloud, IT Project Management, IT Governance, Infrastructure as Code (IaC), Azure, Cloud Architecture, Kubernetes, Redshift, AWS Lambda, Personally Identifiable Information (PII), Containers, Apache Kafka, IT Automation, Amazon Simple Queue Service (SQS), Amazon RDS, Amazon Simple Notification Service (SNS), New Relic, Linux, Disaster Recovery Consulting, Backups, High Availability Disaster Recovery (HADR), AWS Certified Solution Architect, AWS Certified SysOps Administrator, Amazon Web Services (AWS), Low Latency, DevOps, Amazon EC2, TCP/IP, Packet Communication, Network Optimization, AWS DevOps, AWS IAM, PostgreSQL, Cloud Migration, Architecture, Financial Operations & Processes, Strategy, Consulting, Costs, Python, Cost Reduction & Optimization (Cost-down), Amazon Elastic Container Service (ECS), Amazon CloudFront CDN, Cloudflare, Cost Control, Azure DevOps, Azure Virtual Networks, DevSecOps, API Gateways, Docker, Power Shell Commands, Bash Script, C#, Azure Functions, Azure Logic Apps, Azure Data Factory (ADF), Azure SQL Databases, AWS IoT, Amazon S3 (AWS S3), TypeScript, Serverless Framework, Migration
Senior Cloud Architect
2018 - 2019
Ascendum
- Designed and architected an over-the-top (OTT) platform for Sony Pictures' KBC Networks for a second screen experience on AWS cloud, with a 10+ million user concurrency and 500+ million transactions.
- Developed and architected the Azure cloud architecture for an automotive and manufacturing domain's mobile app development using VNet, NSG, Azure apps, and Azure Managed SQL.
- Created a solution for building a CI pipeline using Git, Maven, JUnit, Jenkins, SonarQube, Ansible, and the ELK stack.
- Built an elite testing team to implement and manage load testing using Kubernetes and JMeter containers with Grafana and InfluxDB.
Technologies: AWS Cloud Architecture, Azure Cloud Services, Cloud Security, Networking, Large-scale Distributed Systems, Cloud Architecture, Kubernetes, Redshift, AWS Lambda, Personally Identifiable Information (PII), Containers, IT Automation, Amazon Simple Queue Service (SQS), Amazon RDS, Amazon Simple Notification Service (SNS), New Relic, Linux, Disaster Recovery Consulting, Backups, High Availability Disaster Recovery (HADR), AWS Certified Solution Architect, AWS Certified SysOps Administrator, Amazon Web Services (AWS), Low Latency, DevOps, Amazon EC2, TCP/IP, Packet Communication, Network Optimization, AWS DevOps, AWS IAM, PostgreSQL, Cloud Migration, Architecture, Cloud, Financial Operations & Processes, Strategy, Consulting, Costs, Python, Cost Reduction & Optimization (Cost-down), Amazon Elastic Container Service (ECS), Amazon CloudFront CDN, Cloudflare, Cost Control, Azure DevOps, Azure Virtual Networks, DevSecOps, API Gateways, Docker, Azure, Power Shell Commands, Bash Script, C#, Azure Functions, Azure Logic Apps, Azure Data Factory (ADF), Azure SQL Databases, AWS IoT, Amazon S3 (AWS S3), TypeScript, Serverless Framework, Migration
Senior Cloud Architect
2015 - 2018
Aris Global
- Designed and implemented an AWS cloud architecture for a life sciences customer. This included single- and multi-tenancy for five business units using the well-architected framework.
- Created and executed security tools like AWS GuardDuty, Inspector, Shield, Trusted Advisor, and Trend Micro Deep Security for intrusion detection and prevention systems.
- Built a solution and enforced storage-level encryption in RDS and EBS instance volumes.
- Developed solutions for large database migration from Storage Gateway and S3 to RDS.
- Planned and implemented disaster recovery and backup as per customer service-level agreement using N2WS and customized Lambda functions.
- Strategized and implemented DMS for Oracle DB replication to another location.
- Devised and implemented tier-3 colocation data centers in NTTA Ashburn and Sacramento.
Technologies: AWS Cloud Architecture, Azure Cloud Services, Cloud Security, Oracle Database, Networking, Infrastructure as Code (IaC), SOC Compliance, VMware, Cloud Architecture, Redshift, AWS Lambda, Personally Identifiable Information (PII), Containers, IT Automation, Amazon Simple Queue Service (SQS), Amazon RDS, Amazon Simple Notification Service (SNS), New Relic, Linux, Disaster Recovery Consulting, Backups, High Availability Disaster Recovery (HADR), AWS Certified Solution Architect, AWS Certified SysOps Administrator, Amazon Web Services (AWS), Low Latency, DevOps, Amazon EC2, TCP/IP, Packet Communication, Network Optimization, AWS DevOps, AWS IAM, PostgreSQL, Cloud Migration, Architecture, Cloud, Financial Operations & Processes, Strategy, Consulting, Costs, Python, Cost Reduction & Optimization (Cost-down), Amazon Elastic Container Service (ECS), Amazon CloudFront CDN, Cost Control, Azure DevOps, Azure Virtual Networks, DevSecOps, API Gateways, Docker, Azure, Power Shell Commands, Bash Script, C#, Azure Functions, Azure Logic Apps, Azure Data Factory (ADF), Azure SQL Databases, AWS IoT, Amazon S3 (AWS S3), TypeScript, Serverless Framework, Migration
Cloud Solutions Architect
2007 - 2015
Dell
- Reduced overhead infrastructure costs by 50% by consolidating and deploying legacy applications and hardware to virtualized platforms such as VMware vSphere, Horizon View, Citrix XenApp, and XenDesktop.
- Delivered major releases to stakeholders on time and under budget, including projects such as a 500-seat virtual desktop infrastructure and data center virtualization for Bangalore and Beijing.
- Developed feature packages successfully, which included use cases, workflows, requirements, and functional specifications for handoff to the global development team.
- Designed and delivered secure cloud virtualization solutions for Dell Wyse.
Technologies: VMware vSphere, VMware Horizon, Citrix XenApp, Citrix XenDesktop, Cisco UCS, SAN Brocade, Hyper-V, iSCSI, FibreChannel, VMware, IT Automation, Linux, Disaster Recovery Consulting, Backups, TCP/IP, Virtual Machines, Power Shell Commands, Bash Script, TypeScript
Senior IT Engineer
2006 - 2007
In4Velocity Systems
- Served on an enterprise team to design IN4 and its external customer IT architecture for implementing the concrete structure tool.
- Handled infrastructure design, implementation, Active Directory configuration, and advisory for customers who deploy IN4 products.
- Managed the internal website and product development.
Technologies: IT Infrastructure, Backups, Virtual Machines
Senior Executive IT
2006 - 2007
Wipro
- Designed and coordinated to build an end-to-end IT solution for Wipro Asia, the Middle East, and Africa using Nortel and Cisco enterprise solutions.
- Coordinated for the Direct Intervention System for Health Awareness (DISHA) call center project for pre-sales in Wipro's offshore development center.
- Architected structures for the building data center infrastructure in Malaysia and Dubai.
- Reduced DARS Infotech's process redundancies and learning curves for supporting the Middle East clients in remote management and onsite.
Technologies: IT Infrastructure, Networking, Dell PowerEdge Servers, IP Telephony, Cisco Networking, Backups, Virtual Machines
IT Engineer
2004 - 2005
Yukthi Systems Pvt
- Provided system administration services to Mindteck India in Bangalore.
- Managed the Active Directory, desktop, DHCP, and DNS server for clients.
- Performed Linux and Windows server operating system management with file server management.
Technologies: Server Management, Active Directory Federation, Desktop Support, Data Management, Backups, Virtual Machines
Junior IT Engineer
2003 - 2004
Micron Techno Solutions
- Provided system administration services for the internal organization.
- Executed central Active Directory systems and upgrades without disrupting the organization's operations.
- Implemented tape libraries for quick recovery from disasters such as data loss, cyberattacks, or natural disasters.
- Enforced centralized printing solutions for controlled access.
Technologies: Windows System Administration, Desktop Support, Backups
Hardware Engineer
2001 - 2002
Siddhartha Infotech
- Assembled and connected personal computers for a university's local area networks.
- Configured a software push shared repository for installing tools remotely.
- Set up remote printing for the connected systems to the local area networks.
Technologies: Desktop Support
Project History
KBC's OTT App for Sony Picture Networks
An interactive service OTT platform that I built for second screen experience, which can scale to a minimum of 5 million user concurrency and reach up to 50 million and beyond. I also created the business logic to provide stats to the live dashboard and leaderboard for gamification and gratification.
AWS Architecture for Dubai Expo 2020
https://www.expo2020dubai.com/I co-architected the migration of Dubai Expo 2020 mission-critical applications hosted on AWS cloud using blue-green deployment, relocating entire Platform Modules from Ireland to Bahrain and integrating with multiple AWS PaaS Services for improved performance and high availability.
Azure Architecture for Logistics App Cargoes
DP World's Cargoes application was migrated from AWS to Azure for data migration. Azure Architecture with the app modernization using Kubernetes and high availability with region failover was designed and deployed. The application was load calibrated and successfully deployed in the Dominican Republic government.
Education
1997 - 2021
Technical Diploma in Computer Science
Technical University – Karnataka - Bangalore, India
2005 - 2008
Master's Degree in Computer Science
Coventry University - Bangalore, India
Certifications
OCTOBER 2021 - OCTOBER 2023
Microsoft Certified: Azure Security Engineer Associate
Microsoft
JUNE 2021 - JUNE 2024
Microsoft Azure Architect Design
Microsoft
JANUARY 2021 - JANUARY 2024
AWS Certified Solutions Architect Professional
Amazon Web Services (AWS)
JULY 2020 - JULY 2023
Microsoft Certified: Azure Administrator Associate
Microsoft
MARCH 2020 - MARCH 2023
Microsoft Azure Architect Technologies
Microsoft
SEPTEMBER 2019 - MARCH 2024
AWS Certified Solutions Architect - Associate
Amazon Web Services (AWS)
Skills
Tools
Amazon Simple Queue Service (SQS), Amazon Simple Notification Service (SNS), AWS IAM, VMware vSphere, Citrix XenApp, Hyper-V, VMware, Amazon Elastic Container Service (ECS), Amazon CloudFront CDN, Azure Logic Apps, Terraform, AWS Glue
Frameworks
Serverless Framework
Paradigms
DevOps, Azure DevOps, DevSecOps
Platforms
Amazon Web Services (AWS), AWS Cloud Computing Services, Azure, Kubernetes, Azure PaaS, Amazon EC2, Oracle Database, AWS Lambda, Apache Kafka, New Relic, Linux, Docker, Azure Functions, AWS IoT, Google Cloud Platform (GCP)
Storage
Azure Cloud Services, Amazon S3 (AWS S3), Database Management Systems (DBMS), FibreChannel, Redshift, PostgreSQL, Azure SQL Databases, Oracle Cloud
Languages
Python, Bash Script, C#, HTML, TypeScript
Other
AWS Cloud Architecture, Computer Security, Computer Networking, Virtualization, Customer Support, Networking, Large-scale Distributed Systems, IT Infrastructure, Server Management, Cloud, Cloud Architecture, Amazon RDS, Disaster Recovery Consulting, Backups, High Availability Disaster Recovery (HADR), AWS Certified Solution Architect, Low Latency, Cloud Migration, Architecture, Financial Operations & Processes, Strategy, Consulting, Costs, Cost Reduction & Optimization (Cost-down), Cost Control, Azure Virtual Networks, Migration, Cloud Security, Azure Administrator, IT Governance, Infrastructure as Code (IaC), IT Automation, VMware Horizon, Citrix XenDesktop, Cisco UCS, SAN Brocade, iSCSI, Dell PowerEdge Servers, IP Telephony, Cisco Networking, Active Directory Federation, Desktop Support, Data Management, Windows System Administration, Personally Identifiable Information (PII), Containers, AWS Certified SysOps Administrator, TCP/IP, Packet Communication, Network Optimization, AWS DevOps, Cloudflare, Virtual Machines, API Gateways, Power Shell Commands, Azure Data Factory (ADF), IT Project Management, SOC Compliance, Cloud Design
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