.NET Application Architect (Ref: 18482)

Position: .NET Application Architect (Ref: 18482)

Location: Harrisburg, PA USA, 17120

Salary: DOE

Duration: 1 Years 0 Months 24 Days - Contract

Openings: 1

Deadline: 07/13/2026

Description:

***Local Candidates Only

***Onsite

We are seeking a highly skilled Application Architect with deep expertise in .NET and SQL Server to lead the design and modernization of enterprise-level applications. This role is responsible for driving enterprise solution architecture across Microsoft and Java-based platforms, ensuring the delivery of secure, scalable, maintainable, and reusable solutions.

The ideal candidate will lead the adoption of AI-augmented development—specifically leveraging GitHub Copilot across teams—to accelerate delivery while upholding strict standards for security, accessibility (WCAG), and regulatory compliance.

Key Responsibilities

• Architectural Leadership: Design secure, scalable .NET (C#/ASP.NET Core) applications and SQL Server solutions utilizing clean architecture, Domain-Driven Design (DDD), and performance optimization patterns.

• Enterprise Strategy: Develop architectures spanning multiple applications, services, APIs, databases, and integration platforms.

• Data Management: Design robust data models, advanced T-SQL (stored procedures, indexing, partitioning, Query Store tuning), and High Availability/Disaster Recovery (HA/DR) strategies for high-volume transactional systems.

• Integration: Define integration strategies for enterprise systems, including REST APIs, messaging authentication, and data exchange between diverse platforms.

• AI-Augmented Development: Drive the adoption of GitHub Copilot, including custom instructions, prompt engineering, AI-assisted refactoring, and automated code reviews/testing.

• Standards & Mentorship: Establish architecture and coding standards, design patterns, and technical best practices. Mentor development teams on effective patterns and AI tool usage.

• Modernization: Lead technical design efforts to migrate legacy systems into cloud-native applications, evaluate technical debt, and develop phased migration roadmaps.

• DevSecOps: Design and implement modern software delivery practices, including source control strategies, branching models, CI/CD pipelines, automated deployments, and zero-trust security principles.

• Innovation: Evaluate emerging technologies, frameworks, and software products to provide recommendations aligned with long-term technology strategies.

Required / Desired Skills

• Software engineering Required - 8 Years

• Application/Solution Architect on enterprise .NET and SQL Server projects in complex environments. Required - 4 Years

• Expert-level C#, ASP.NET Core, Entity Framework Core, Web API, and modern .NET practices (clean architecture, minimal APIs, DI, async/await patter Required - 4 Years

• Advanced SQL Server: complex T-SQL optimization, execution plans, indexing strategies, security (RLS, DDM), and Always On availability groups. Required - 4 Years

• Daily professional experience with GitHub Copilot for .NET/C# development, including advanced configuration and team enablement. Required - 4 Years

• Proven hands-on experience converted data from legacy systems to modernization application data models. Required - 4 Years

• Strong secure SDLC, Entra ID/managed identities, API security, and enterprise governance experience; excellent communication and stakeholder skills. Required - 4 Years

• Public sector, utilities, or regulated industry experience with strict compliance and accessibility mandates. Required - 4 Years

• Familiarity with legacy modernization, IBM FileNet/BAW; Microsoft Azure Solutions Architect Expert or equivalent certifications Required - 4 Years

• Bachelor’s in Computer Science, Information Systems, or equivalent Required - 4 Years