Application Architect

Client seeks an Application Architect with deep .NET and SQL Server expertise to design and modernize PUC applications and provide enterprise solution architecture across Microsoft and Java-based platforms, ensuring secure, scalable, maintainable and reusable application solutions. This role leads the adoption of AI 1 augmented development: advanced GitHub Copilot usage across teams while accelerating delivery while upholding security, WCAG accessibility, and regulatory compliance, * Architect secure, scalable .NET (C#/ASP.NETCore) applications and SQL Server

• solutions using clean architecture, DDD, and performance optimization patterns.

• Develop enterprise solution architectures that span multiple applications, services,

• APIs, databases and integration platforms while ensuring long-term maintainability

• and scalability.

• Design data models, advanced T-SQL (stored procedures, indexing, partitioning,

• Query Store tuning), and HA/DR strategies for high-volume transactional systems.

• Define integration strategies for enterprise systems including REST APIs,

• messaging authentication, and data exchange between Microsoft, IBM and third 1 party platforms.

• Drive adoption of GitHub Copilot for .NET development), including custom

• instructions, prompt engineering, and AI-assisted refactoring and automated code

• reviews, documentation and testing.

• Produce architecture diagrams, and technical specs; lead design reviews; mentor

• teams on .NET patterns and Copilot best practices.

• Establish architecture standards, coding standards, reusable design patterns, and

• technical best practices across development teams.

• Ensure solutions meet Commonwealth IT security policies, WCAG 2.2

• accessibility, PII protection, and zero-trust principles in a regulated utility

• environment.

• Lead the application modernization technical design efforts to migrate legacy PUC

• applications into cloud native applications.

• Develop modernization roadmaps, evaluate technical debt and recommend

• phased migration strategies.

• Design and implement modern software delivery practices including source control

• strategies, branching models, CI/CD pipelines, automated deployments,

• environment management and DevSecOps practices.

• Evaluate emerging technologies, frameworks and commercial software products to

• provide recommendations aligned with the PUC’s long-term technology strategy.

• Provide technical leadership during project planning, estimation, POC’s and

• architecture review sessions.

• Software engineering
• Application/Solution Architect on enterprise .NET and SQL Server projects in complex environments
• Expert-level C#, ASP.NET Core, Entity Framework Core, Web API, and modern .NET practices (clean architecture, minimal APIs, DI, async/await patter
• Advanced SQL Server: complex T 1 SQL optimization, execution plans, indexing strategies, security (RLS, DDM), and Always On availability groups.
• Daily professional experience with GitHub Copilot for .NET/C# development, including advanced configuration and team enablement.
• Proven hands-on experience converted data from legacy systems to modernization application data models.
• Strong secure SDLC, Entra ID/managed identities, API security, and enterprise governance experience; excellent communication and stakeholder skills.
• Public sector, utilities, or regulated industry experience with strict compliance and accessibility mandates.
• Familiarity with legacy modernization, IBM FileNet/BAW; Microsoft Azure Solutions Architect Expert or equivalent certifications
• Bachelor’s in Computer Science, Information Systems, or equivalent