.NET and SQL Support Engineer

Your role, your impact

As a .NET and SQL Developer, you’ll be a critical contributor to Alithya’s Digital Applications Support team, ensuring the reliability, performance, and continuity of a high‑profile application used to monitor equipment status within the nuclear industry. You’ll support mission‑critical systems that demand high availability, data accuracy, and operational stability.

This role combines deep technical expertise, independent problem‑solving, and close collaboration with internal teams and clients to resolve complex application, infrastructure, and database challenges in a highly regulated environment.

Your day-to-day

• Provide ongoing application and production support for a mission‑critical solution used in the nuclear industry;

• Analyze, troubleshoot, and resolve complex application, infrastructure, and database issues across environments;

• Develop, debug, and maintain application components using Visual Studio and VS Code;

• Support and enhance integrations with back-end data platforms including SQL Server, NoSQL, and Big Data stores;

• Perform root‑cause analysis and implement long‑term fixes to ensure system stability and performance;

• Monitor application health, database performance, and infrastructure reliability;

• Collaborate closely with cross‑functional teams, including development, DevOps, infrastructure, and client stakeholders;

• Participate in incident management, change management, and release support activities;

• Work independently with minimal supervision while delivering high-quality, reliable outcomes.

Keys to your success

• Bachelor’s degree in computer science, information technology, or a related field (or equivalent professional experience);

• Minimum 5 years of experience in a .NET developer or application support role;

• Hands‑on experience with C#, .NET, and Angular‑based web applications;

• Experience with Azure cloud services, including deployment, scalability, and high‑availability architectures;

• Solid expertise in SQL Server database administration, including performance tuning, optimization, backup/recovery, and security;

• Proficiency across front‑end, middle‑tier, and back‑end application layers;

• Strong understanding of MVC, MVP, MVVM architectures, microservices, Entity Framework, and LINQ;

• Familiarity with DevOps practices, CI/CD pipelines, and infrastructure automation tools;

• Proven ability to diagnose and resolve complex infrastructure and database issues under pressure;

• Excellent analytical, problem‑solving, and decision‑making skills;

• Strong communication skills with the ability to collaborate effectively with technical and non‑technical stakeholders. 

Extra edge

• SQL Server and Azure certifications;

• Experience supporting applications in highly regulated or safety‑critical industries;

• Exposure to monitoring, logging, and alerting tools for production environments;

• Prior experience in 24/7 production support or on‑call support models;

• Ability to work in client‑facing environments with a strong service mindset.

Language skills

• English: Proficient