Senior Secret cleared .NET Developer to ensure applications associated with a large database migration are refactored, tested and redeployed in the public
S.i. Systems
Ottawa, ON-
Number of positions available : 1
- Salary To be discussed
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Contract job
- Published on January 8th, 2026
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Starting date : 1 position to fill as soon as possible
Description
Our public sector client requires a Senior Secret cleared.NET Developer to ensure applications associated with a large database migration are refactored, tested and redeployed in the public sector. Our client has a requirement to migrate 221 Oracle databases currently on premise AIX Oracle 19c environment to a PostgreSQL on premise environment in SSC EDC data centre.
Responsibilities:
- Prepare and maintain technical documentation to support all phases of development and deployment;
- Design, develop, and maintain user interfaces (e.g., web forms, reports) and all supporting .NET classes;
- Design, develop, and integrate APIs, workflows, and plugins within .NET-based solutions and other systems;
- Develop and execute test scripts to ensure software quality and functionality;
- Lead data migration efforts, including developing scripts, migrating data, and performing quality assurance;
- Refactor and optimize code for high performance and maintainability;
- Conduct code and design reviews to ensure best practices and alignment with business requirements;
- Develop and maintain a platform roadmap and functional design specifications;
- Provide regular status updates to the Project Authority;
- Package applications for deployment and coordinate user testing and training sessions;
- Collaborate with agile development teams and IM/IT staff to customize, deploy, and integrate .NET-based solutions and other technologies;
- Estimate, prioritize, and manage work schedules to meet project deadlines;
- Assess the technical and economic feasibility of proposed solutions and ensure alignment with business goals and;
Must have:
- Secret clearance
- .NET experience
- MVC or Razor or Blazor experience
- JavaScript or jQuery or TypeScript experience
Nice to have:
- Experience working with Oracle and/or PostgreSQL
AI may be used in evaluating candidates.
This posting is for an existing vacancy.
Requirements
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