> Markdown version of [/jobs/ext/3944659-project-manager-it-b2b-software-integration-m-v-x](https://www.wearedevelopers.com/jobs/ext/3944659-project-manager-it-b2b-software-integration-m-v-x). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Project Manager IT - B2B Software Integration M/V/X - **Company:** Actiris - **Location:** Brussel, Belgium (Remote available) - **Experience:** Expert - **Salary:** €60,000 - **Contract:** Permanent contract - **Skills:** Product Software Implementation Methods, B2b Software - **Published:** October 27, 2026 - **Apply:** https://www.actiris.brussels/nl/burgers/jobadvertentie/?reference=5980944 ## About the Role * Senior experience on the vendor side - with an integrator, a software vendor or a consultancy - implementing software solutions at external clients. * Comfortable with the functional side of projects: you understand the solutions you deploy and can challenge an analysis or a specification rather than only coordinate. A background in functional analysis is an asset. * Fluent English is essential; administrative rigour, diplomacy and political judgement when dealing with demanding clients. ## Description Lead the implementation of software solutions at external clients, across functional scoping, run and upgrade projects., * Reporting to the practice lead, you take operational ownership of several client accounts and the implementation projects attached to them. * You manage the relationship between the client, the internal teams and an external technical partner, while keeping a firm grip on the functional content of the projects. Role * Manage the budgets, deadlines and contractual commitments of your accounts. * Work with the business analyst on scoping client needs: challenge requests, measure them against the platform's capabilities and decide which customisations to retain. * Steer the external partner delivering the technical teams, and coordinate exchanges between client, partner and internal teams. * Follow up on run and ticketing, and lead upgrade and evolution projects. * Identify contractual, budgetary and operational risks, and bring the trade-offs to the client.