Lead Dotnet Developer

pbLocation: /b Brussels / Schaarbeek, Belgium (Hybrid / Telework available per company policy) /ppbContract Type: /b Long-Term Contract / Freelance / External Consultant /ppbLanguages Required: /b Fluent English bAND /b either French or Dutch (Bilingual fluency required) /ph3About the Company Mission /h3pJoin a leading European Transmission System Operator (TSO) at the forefront of the green energy transition and sustainable electrical infrastructure. Operating across Belgium, Germany, and broader Europe, our client ensures power supply reliability and drives modernization across European power grids. /ppAs an bIT Solution Lead – Grid Solutions /b, you will act as the key technical and functional bridge between business stakeholders, solution architects, and delivery teams. You will drive the evolution of mission-critical applications supporting project portfolio planning, asset management, and resource scheduling. /ph3Key Responsibilities /h3ullibTechnical Delivery Leadership: /b Serve as the technical lead across the full lifecycle (solution design, build, integration, testing, deployment, and ongoing operations) for assigned Grid Solutions IT applications. /lilibRequirements Engineering: /b Challenge, refine, and translate complex business requirements into concrete functional and technical specifications. /lilibArchitecture Standards Alignment: /b Partner closely with Enterprise and Solution Architects to ensure technical solutions adhere to modern security, architectural governance, and enterprise standards. /lilibCustom Off-The-Shelf (OTS) Integration: /b /liliLead the development, build, and support of custom-built software primarily centered on the bMicrosoft technology stack (.
NET, C#, SQL Server) /b. /liliOversee the evaluation, procurement, integration, and customization of commercial off-the-shelf (OTS) products into the wider enterprise landscape. /lilibVendor Evaluation Management: /b Conduct fit-gap analyses, contribute to RFI/RFP processes, lead software selection, and manage third-party vendors against agreed SLAs and KPIs. /lilibCross-Functional Coordination: /b Collaborate daily with Business Project Leaders, Architects, Engineers, QA testers, and infrastructure platforms across both delivery and operational maintenance phases. /li /ulh3Requirements Qualifications /h3ullibEducation: /b Bachelor’s or Master’s degree in Computer Science, Information Technology, Engineering, or equivalent through practical experience. /lilibExperience: /b Minimum of 5+ years of relevant experience in technical leadership, solution architecture, software engineering, or technical IT project delivery. /lilibTechnical Stack: /b /liliStrong background in the bMicrosoft ecosystem /b (e.g., .
NET / .
NET Core, C#, Visual Studio, SQL Server). /liliSolid understanding of modern bcloud and integration architectures /b (Microsoft Azure, REST APIs, microservices, containerization, and cloud-native design patterns). /lilibDelivery Governance: /b /liliProven experience with fit-gap analysis, technical evaluations, and commercial software integration. /liliPractical working knowledge of bAgile/Scrum /b methodologies and IT Service Management (ITSM) principles. /lilibSoft

Skills:
/b Outstanding communication, stakeholder management, and analytical problem-solving skills; autonomous, proactive, and accustomed to multidisciplinary environments. /lilibLanguages: /b bBilingual fluency /b in English + French bOR /b English + Dutch (written and spoken). /lilibIndustry Domain (Advantage): /b Prior experience in the energy, utilities, or electricity transmission sector is a strong asset. /li /ul