Mission
We're looking for a Senior Implementation Specialist to take ownership of complex and high-impact client onboarding projects. In this role, you'll lead implementations for some of our most strategic accounts, contribute to internal process improvements, and act as a go-to person within the team for guidance and support—without formal management responsibilities.
You’ll bring structure, clarity, and confidence to clients during onboarding while also keeping an eye on internal capacity and helping improve how the team operates.
Responsibilities
* Lead end-to-end onboarding for enterprise clients, ensuring smooth delivery and excellent client experience.
* Execute short term projects for existing customers.
* Stay up-to-date with changes and updates on our internal platform.
* Proactively manage timelines, expectations, and risks across multiple projects in parallel.
* Collaborate with internal teams (Sales, Product, account managers) to ensure alignment on project scope and customer needs.
* Support capacity planning efforts by clearly communicating bandwidth, blockers, and delivery estimates.
* Contribute to the continuous improvement of implementation processes, templates, and tools.
* Act as a peer coach or point of reference for more junior team members when needed—sharing context, advice, or troubleshooting ideas.
* Document implementation patterns and contribute to internal knowledge sharing.
ABOUT YOU
Skills
* Fluent in English, as well as French and/or German
* 7+ years of experience
* Strong experience in B2B SaaS implementations, ideally with configurable or complex products.
* Confidence managing several projects with different scopes, stakeholders, and deadlines.
* Excellent client-facing communication skills—able to guide and reassure customers.
* Organized and analytical thinker with good judgment around delivery priorities and risks.
* Comfortable working cross-functionally and providing structured feedback internally.
* Proficient with project management tools and ticketing systems.
Nice to have
* Experience in onboarding enterprise clients with multiple stakeholders or custom needs.
* Background in consulting, business analysis, or solution design.
* Experience using Click Up for project management
Practical Information
* We do not provide work permits
* Start date: Immediate
* Location: either hybrid or full remote
Our Offer
* A competitive package tailored to your experience — with room to grow as you do
* A flexible hybrid work model with the possibility to work fully remotely, while staying connected with the team by occasionally visiting our Brussels office
For Full-Time Employees based in Belgium:
* Monthly net fees
* Meal vouchers
* Annual eco-vouchers
* Transportation costs reimbursement
* Hospitalization insurance (DKV)
ABOUT US
We believe corporations can be a force for good—and at Optimy, we make that vision a reality.
Our mission is to empower corporations to maximize their positive impact while minimizing their operational costs. The Optimy platform is the most configurable solution for managing grants, volunteering, donations, and sponsorships. We help over 350 forward-thinking customers in 30 countries run impactful programs, managing more than 1.5 million projects in 22 languages.
Why join Optimy?
We’re not just a tech company; we’re a community of passionate changemakers from over 10 countries, united by the goal of creating positive change in the world. Our diverse, agile team of 50+ professionals thrives in a culture of collaboration, innovation, and inclusivity. Whether you’re driven by technology or purpose, you’ll find meaningful opportunities to grow and make a difference here.
Be part of something bigger.
At Optimy, your work helps leading organizations create lasting social impact. Join us and contribute to projects that truly matter, in a dynamic, flexible work environment that champions your professional growth.
Equal Employer
Optimy provides equal opportunities to all qualified candidates regardless of race, color, religion, age, gender, gender expression, sexual orientation and marital status.