Vijaya Sekar
Verified Expert in Engineering
Cloud Architect and Developer
Dubai, United Arab Emirates
Toptal member since February 22, 2023
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
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
Preferred Environment
Amazon Web Services (AWS), Azure Cloud Services, Google Cloud Platform (GCP), Oracle Cloud, Cloud Security, Terraform, Networking, Azure, AWS Glue, Containers, Apache Kafka, Amazon EC2, AWS IAM, Cloud Migration, Architecture, Cloud, Financial Operations & Processes, Strategy, Consulting, Costs, Cost Reduction & Optimization (Cost-down), Amazon CloudFront CDN, Cost Control, Power Shell Commands, Azure Functions, Azure Logic Apps, Azure Data Factory (ADF), AWS IoT, Amazon S3 (AWS S3), Serverless Framework, Cloud Design
The most amazing...
...solution I've designed and co-architected is the migration of the Dubai Expo 2020 mission-critical applications hosted on AWS cloud.
Work Experience
Lead Cloud Architect
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.
Senior Cloud Architect
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.
Senior Cloud Architect
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.
Cloud Solutions Architect
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.
Senior IT Engineer
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.
Senior Executive IT
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.
IT Engineer
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.
Junior IT Engineer
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.
Hardware Engineer
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.
Experience
KBC's OTT App for Sony Picture Networks
AWS Architecture for Dubai Expo 2020
https://www.expo2020dubai.com/Azure Architecture for Logistics App Cargoes
Education
Technical Diploma in Computer Science
Technical University – Karnataka - Bangalore, India
Master's Degree in Computer Science
Coventry University - Bangalore, India
Certifications
Microsoft Certified: Azure Security Engineer Associate
Microsoft
Microsoft Azure Architect Design
Microsoft
AWS Certified Solutions Architect Professional
Amazon Web Services Training and Certification
Microsoft Certified: Azure Administrator Associate
Microsoft
Microsoft Azure Architect Technologies
Microsoft
AWS Certified Solutions Architect – Associate
Amazon Web Services
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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