NOTE: This is a Full-time position. We are currently considering candidates who are authorized to work in the U.S. on a full-time basis without current or future employer sponsorship. Candidates who require employer sponsorship now or at any point in the future will not be eligible for this opportunity.
Senior Enterprise Application Architect Migration & Modernization
Location: US / Remote Preferred
Travel: Up to 30%
Employment Type: Full-time
Position Overview
We are seeking a Senior Enterprise Application Architect to lead application assessment, migration planning, and modernization initiatives across large and complex enterprise environments. The architect will evaluate application portfolios, define modernization strategies, develop target-state architectures, and establish actionable migration roadmaps across Java, .NET, legacy, packaged, and custom application landscapes.
The ideal candidate brings a combination of enterprise application architecture, portfolio assessment, cloud migration, modernization strategy, and technical solutioning experience.
Key Skills
Enterprise Application Architecture & Solution Architecture
Application Portfolio Assessment & Rationalization
Application Discovery & Dependency Mapping
Cloud Migration & Application Modernization
7-R / R-Treatment Strategy
Migration Strategy, Wave Planning & Sequencing
Java, .NET & Legacy Application Environments
AWS / Azure Cloud Architecture
Microservices, Containers & Serverless Architecture
Docker, Kubernetes, OpenShift
API-First & Event-Driven Architecture
DevSecOps, CI/CD & GitOps
Jenkins, GitHub Actions, Azure DevOps
Terraform & CloudFormation
Application Assessment Tools CAST, Dynatrace, AppDynamics, SonarQube, Veracode, AWS X-Ray, MGN
Technical Dependency & Integration Analysis
TCO, ROI & Modernization Business Cases
Application-Level Estimation & Roadmap Development
Enterprise Stakeholder Management
Required Qualifications
15+ years of experience in enterprise technology, including application development, architecture, technical solutioning, or related disciplines.
8+ years of application architecture experience with significant involvement in application assessment, migration strategy, and modernization initiatives.
Experience leading application portfolio assessments involving 50 1000+ applications across diverse technology environments.
Strong understanding of application rationalization and 7-R / R-Treatment methodologies.
Ability to evaluate applications and recommend appropriate modernization treatments based on technical, business, financial, and operational considerations.
Experience designing or evaluating cloud architectures involving containers, serverless platforms, microservices, APIs, and event-driven architectures.
Strong understanding of enterprise application dependencies, integrations, middleware, databases, and distributed application architectures.
Experience with application discovery, monitoring, code quality, security, and assessment platforms such as CAST, Dynatrace, AppDynamics, SonarQube, Veracode, AWS X-Ray, and AWS MGN.
Experience with DevSecOps and modern delivery toolchains including Jenkins, GitHub Actions, Azure DevOps, Terraform, and CloudFormation.
Ability to develop modernization roadmaps, migration wave plans, technical estimates, risk assessments, and executive-level business cases.
Strong communication and stakeholder management skills with the ability to work across technical and business teams.
Preferred Experience
Experience with large-scale enterprise cloud transformation programs.
Experience working across AWS and/or Azure environments.
Background in Java, .NET, legacy modernization, and heterogeneous enterprise application ecosystems.
Experience supporting multi-year application migration and modernization programs.
Experience presenting architecture recommendations and modernization strategies to senior technology leadership.