Senior People Business Partner

About Upsun (formerly Platform.sh) Upsun is the cloud application platform humans and robots love. It is built for today’s hybrid teams, where AI agents write and test code and humans focus on solving the problems that really matter. Developers, DevOps engineers, and platform teams use Upsun to build, ship, and scale confidently without wrestling with backend infrastructure. We give you your time back. You get: Predictable performance, even at scale Secure, compliant environments by default Real-time observability and profiling built in Cloning, configuration, and provisioning in seconds AI-ready features that plug directly into your stack The name says it all. "Up" means uptime, reliability, and acceleration. "Sun" reflects our follow-the-sun-support, a 24x7, globally distributed support team keeping the lights on while you rest. Our core belief is that software should power brighter solutions and greater innovation. Upsunners are a remote, global workforce, and we thrive in a multicultural team. We are committed to open source and an open, welcoming environment. Our team spans the globe and the experience spectrum. What's our commonality, our cultural fabric? A curious spirit and a thirst for knowledge; an eagerness for innovative ideas and cultures. We believe we can build anything together in an environment that frees you to do your best work. Our values: 🌿 We make a positive impact. ✨ We aim for the stars. 💚 We care for each other. Impact of a Senior People Business Partner As a Senior People Business Partner, you are a strategic advisor and a key partner in shaping the heartbeat of Upsun. You support leaders in embedding our values into everyday team practices, helping them build high-performing, healthy teams that can scale with the business. You bridge the gap between high-level business goals and the daily employee experience, ensuring our people strategy is well executed, scalable, and thoughtfully evolved as the business grows. You thrive in the "grey areas" of a scaling company, navigating the complexities of international remote work with empathy and data-driven precision. Whether you are coaching a first-time manager, designing a global performance framework, or leading a transformation project, your work directly influences the culture and success of our organization. What to expect Strategic Partnership: Act as a trusted advisor to leadership, providing coaching and insights that enhance organizational capability and team dynamics. Program Ownership: Own the full lifecycle of some of our People initiatives (e.g., Talent Management, L&D, Engagement). You aren’t just designing the framework; you’re helping to execute, own the data, and refine the process. Operational Excellence: Manage the balance between high-level strategy and "rolling up your sleeves" to support essential routines in compensation, performance cycles, and employee relations. Analytical Influence: Leverage metrics and feedback loops to identify trends, raise pertinent issues, and propose proactive solutions to stakeholders. Change Management: Guide teams through organizational shifts with clear communication and a focus on maintaining our unique cultural fabric. Cross-Functional Collaboration: Partner closely with People Operations, Talent Acquisition, and Finance to ensure a cohesive and supportive experience for all Upsunners. What you bring Seasoned Expertise: You have a deep background as a People BP, specifically within high-growth tech startups or IaaS/SaaS environments. French Labor Law & Compliance: Strong, practical knowledge of French employment law. You are comfortable navigating contractual obligations, employment adjustments, and terminations with rigorous compliance and human empathy. CSE Management: Proven experience managing relations and maintaining a constructive, transparent dialogue with the Comité Social et Économique (CSE). Remote/Hybrid Mastery: You understand the nuances of building culture and trust across time zones...