Application Architect .NET SQL Server / Full-Time / On-Site / Harrisburg, PA

Application Architect .NET SQL Server / Full-Time / On-Site / Harrisburg, PA

Become a member of a growing team of Information Technology professionals making an impact and providing solutions for Government and Commercial clients since 1996 – Join the Domino Tech Team!

Accepting Candidates Until 07/13/2026 at 2:00 PM

The Position:
Client: Commonwealth of Pennsylvania – Pennsylvania Public Utility Commission (PUC)
Position Title: PUC - Application Architect .NET SQL Server FA3 (806704)
Location: On-Site in Harrisburg, PA

Note: Candidates must currently reside within a reasonable commuting distance of Harrisburg, PA to be considered.

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.
- Architect secure, scalable .NET (C#/ASP.NET Core) 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.

The Skills and Experience:
- 8+ Years: Software Engineering experience
- 4+ Years: Application/Solution Architect experience 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
- Advanced SQL Server experience with complex T-SQL optimization, execution plans, indexing strategies, security (RLS, DDM), and Always On availability groups
- Daily experience with GitHub Copilot for .NET/C# development, including advanced configuration and team enablement
- Proven hands-on experience converting data from legacy systems to modernization application data models
- Strong secure SDLC, Entra ID/managed identities, API security, and enterprise governance experience
- Public sector, utilities, or regulated industry experience with strict compliance and accessibility mandates
- Familiarity with legacy modernization, IBM FileNet/BAW
- Bachelor’s degree in Computer Science, Information Systems/Technology, or equivalent
- Microsoft Azure Solutions Architect Expert or equivalent certification(s)

The Company:
The mission of Domino Technologies, Inc. is to provide clients with IT solutions for their individual business processes that lead to strategic market advantages.  Since its founding in 1996, the Domino Tech Team has built a solid record of performance working with clients in the Government and Commercial sectors.

The Perks:
- Excellent Market Salary
- Competitive Benefits
- Paid Holidays and Vacation
- Positive Work-Life Balance

The Location:
Domino Technologies is based in the Harrisburg area – the capital city of the Commonwealth of Pennsylvania and the county seat of Dauphin County.  Located on the east bank of the Susquehanna River, Harrisburg is the anchor of the Susquehanna Valley metropolitan area.

Contact Us Today!