Chief of Staff
Hybrid · Leuven, Flanders, Belgium
Job Summary
Chief of Staff to the leadership team at Sitemark, a fast-growing AI and robotics platform for renewable energy. You will own high-value, cross-departmental projects from messy problem to shipped outcome, including standing up a new entity in a new country, pricing initiatives, and solving HR or organizational challenges. You’ll build the operational backbone to support rapid growth from ~60 to ~200 people, implement systems and ways of working to scale without headcount inflation, run planning and KPI tracking, and provide trusted advisory input to the leadership team. The role involves ensuring cross-functional alignment, surfacing gaps, and driving initiatives from analysis to implementation, with opportunities to grow into a leadership position. This role is primarily onsite at Leuven with hybrid work expectations.
Required Qualifications
- 3–5 years in management consulting, investment banking, a high-growth startup, or a similarly demanding environment where you owned hard problems end-to-end
- track record of structuring ambiguous problems and driving them to a result without a playbook or a team handed to you
- exceptional communication—crisp memo writing, leadership meetings, and interaction with leadership team and founders
- comfort operating across finance, ops, people, and strategy without being a deep specialist in any one area
- high standards and ownership; willingness to push beyond comfort zones
- onsite presence in Leuven office with at least 2 days per week in the office
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