Senior .NET Support, Maintenance, and Development Resource

Location: Regina, SK

Onsite Flexibility: Onsite

• Position Type: Contract
• Contract Duration: Initial term through March 31, 2028 (with potential for successive 1-year renewals up to 4 times)
• Pay Rate: $45.00–$70.00 / Hour (CAD)
• Shift / Schedule: Monday to Friday, 8:00 AM to 5:00 PM CST (on-call may be required as agreed)

The client's Digital, Technology and Security (DT&S) Enterprise Application Services (EAS) team is seeking a seasoned Senior Support, Maintenance, and Development (.NET) Resource. The successful candidate will work within the client's core tech environment to develop, maintain, and support business-critical applications and integrations, ensuring seamless transitions from project delivery to operations.

• Develop, maintain, and support enterprise web applications and integrations using C#.NET, Angular, Node.js, HTML, CSS, and TypeScript.
• Build and integrate modern Web APIs (REST, XML, JSON).
• Perform database scripting, management, and data modeling using SQL Server and Oracle.
• Configure and deploy applications using Internet Information Services (IIS) on Windows Server.
• Manage source code and deployments via Azure DevOps, CI/CD pipelines, and GIT.
• Address production support issues, execute enhancements, and coordinate ongoing infrastructure/maintenance tasks (such as server upgrades).
• Author and maintain technical documentation and conduct thorough code reviews.
• Serve as an operational acceptance lead to ensure successful transition of delivered projects into IT operations.
• Utilize AI-assisted software tools (e.g., GitHub Copilot, Azure Foundry) for code implementation, testing, debugging, refactoring, and integration of AI services via APIs/SDKs.

• Minimum 5 years of professional experience in C#.NET development.
• Minimum 5 years of professional experience integrating with Web APIs (REST, XML, and JSON).
• Minimum 5 years of professional experience developing modern Web APIs.
• Minimum 5 years of professional experience developing web applications using Angular, Node.js, HTML, CSS, and TypeScript.
• Minimum 5 years of professional experience in database scripting using SQL Server.
• Must be willing and able to work full-time on-site at the client's Head Office in Regina, SK, Monday to Friday.

• Minimum 5 years of experience in Microsoft Azure Administration, including Azure DevOps and CI/CD.
• Minimum 5 years of experience with Microsoft Graph, Microsoft SQL Server Management Studio, and SQL Server Reporting Services (SSRS).
• Minimum 5 years of experience with Oracle SQL Developer & database scripting (Queries, Stored Procedures, Data Modeling).
• Minimum 5 years of experience with GIT version control and Postman.
• Minimum 5 years of experience in load testing, performance tuning, and Windows Server management.
• Minimum 5 years of experience with Active Directory, Jira, and Workday integrations.
• Minimum 5 years of experience configuring and deploying applications in IIS.
• Minimum 5 years of experience with Visual Studio / Visual Studio Code (including Test Tools) and PowerShell Scripting.
• Minimum 3 years of experience with IFS integrations.
• Minimum 2 years of experience with AI-assisted software development tools (e.g., GitHub Copilot, agentic workflows for coding/testing/debugging).
• Minimum 2 years of experience designing and supporting applications integrating AI services through APIs/SDKs (authentication, error handling, model responses).
• Minimum 2 years of experience using Azure Foundry or comparable AI development platforms.

• Minimum 5 years of experience developing and maintaining technical documentation.
• Minimum 5 years of experience performing structured code reviews.
• Minimum 5 years of experience working within project teams in technical roles, including operational acceptance leadership.
• Minimum 5 years of experience managing production support, system changes, enhancements, and server upgrade coordination.

• Recognized bachelor's degree or technical diploma in computer science, information systems, engineering, or a related discipline (preferred).

This client is a leading sustainable power supplier in the Canadian energy sector, operating one of Canada's largest electrical grids and serving communities across the province. The organization employs a broad range of professionals - including software developers, systems integrators, IT operations specialists, and enterprise application engineers - who collaborate to maintain and advance mission-critical energy infrastructure and digital platforms.

GTT is an NMSDC-certified Minority Business Enterprise (MBE) headquartered in Portsmouth, New Hampshire. GTT is a subsidiary of Chenega Corporation, an Alaska-based company and one of the largest Alaska Native-owned corporations. An Inc. 5000 honoree and one of SIA's Best Staffing Firms to Work For, GTT connects professionals with Fortune 500 organizations across IT, engineering, construction, utilities, life sciences, financial services, and healthcare throughout the U.S. and Canada. We're committed to diverse, inclusive workplaces and to placing people in roles where they can do their best work.

Job Number: 26-18852