AWS Cloud Migration Architect

Cognizant is seeking an experienced AWS Cloud Migration Engineer with strong expertise in VMware infrastructure and AWS cloud technologies to lead and execute large-scale migration initiatives from on-premises VMware environments to AWS. The ideal candidate will be responsible for assessing existing infrastructure, planning and executing migrations, building AWS environments, automating deployment processes, and ensuring successful post-migration stabilization. This is a remote role.

Applicants must be authorized to work in the US. Cognizant will not offer visa sponsor ships now or anytime in the future.

• Assess existing VMware vSphere environments, including ESXi, vCenter, clusters, networking, storage, and associated dependencies.
• Perform infrastructure and application discovery to identify migration candidates and readiness.
• Analyze application and workload characteristics and recommend appropriate migration strategies, including Rehost, Replatform, and Modernization approaches.
• Document application dependencies, migration waves, migration schedules, and cutover plans.

• Plan, coordinate, and execute migrations of VMware virtual machines and workloads to AWS.
• Implement, configure, and manage AWS Application Migration Service (MGN) and associated migration tools.
• Execute pilot migrations and support migration factory operations at scale.
• Develop migration runbooks, rollback procedures, validation plans, and operational checklists.
• Collaborate with infrastructure, application, database, network, and security teams to coordinate migration activities.
• Perform migration cutovers and post-migration tasks while minimizing business disruption and downtime.

• Design, build, and configure AWS cloud infrastructure components, including:
  • Amazon VPC
  • Amazon EC2
  • AWS IAM
  • Security Groups
  • Route Tables
  • Elastic Load Balancers
  • Amazon S3
  • Amazon Cloud Watch
  • AWS Systems Manager
• Support AWS landing zone validation and ensure network connectivity readiness.

• Automate migration, provisioning, and infrastructure deployment activities using:
  • Terraform
  • AWS Cloud Formation
  • Power Shell
  • Python
  • VMware PowerCLI
• Develop automation workflows and scripts to improve migration efficiency and consistency.
• Optimize AWS environments for performance, scalability, reliability, and cost-effectiveness.

• Perform migration validation activities, including:
  • Functional Testing
  • Performance Testing
  • Connectivity Testing
  • Disaster Recovery (DR) Validation
• Troubleshoot and resolve post-migration issues during hypercare and stabilization periods.
• Support operational handoff and knowledge transfer activities to operations and support teams.

• Maintain migration schedules, status reports, dashboards, and risk registers.
• Participate in Change Advisory Board (CAB) reviews and change management processes.
• Create and maintain technical documentation, architecture diagrams, standard operating procedures (SOPs), and operational runbooks.
• Ensure adherence to organizational governance, security, and compliance requirements throughout migration activities.

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.
• 5+ years of experience supporting VMware infrastructure environments.
• 3+ years of hands‑on experience designing and implementing AWS cloud solutions.
• Proven experience leading or executing VMware-to-AWS migration projects.
• Strong understanding of cloud migration methodologies, assessment frameworks, and migration best practices.
• Experience using AWS Application Migration Service (MGN) and migration tooling.
• Hands‑on expertise with AWS networking, security,…