Role: Application Architect .NET Onsite : Harrisburg PA / Local Candidates Highly Preffered The PA PUC 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-augmented development: advanced GitHub Copilot usage across teams while accelerating delivery while upholding security, WCAG accessibility, and regulatory compliance. Key Responsibilities - * 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-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.
MUST HAVE - 8+ years of experience in software engineering.
- 4+ years of experience serving as an Application/Solution Architect on enterprise .NET and SQL Server projects in complex environments.
- Expert-level experience with C#, ASP.NET Core, Entity Framework Core, Web API, and modern .NET development practices, including Clean Architecture, Minimal APIs, Dependency Injection (DI), and async/await patterns.
- Advanced expertise in SQL Server, including complex T-SQL optimization, execution plans, indexing strategies, Row-Level Security (RLS), Dynamic Data Masking (DDM), and Always On Availability Groups.
- Daily professional experience using GitHub Copilot for .NET/C# development, including advanced configuration and team enablement.
- Proven hands-on experience converting data from legacy systems to modernized application data models.
- Strong experience with secure SDLC practices, Microsoft Entra ID, managed identities, API security, enterprise governance, and stakeholder communication.
- Experience working in public sector, utilities, or other regulated industries with strict compliance and accessibility requirements.
- Familiarity with legacy modernization initiatives, IBM FileNet, IBM Business Automation Workflow (BAW), and Microsoft Azure Solutions Architect Expert certification (or equivalent).
- Bachelor's degree in Computer Science, Information Systems, or an equivalent field.
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