Buscar empleo: 36 ofertas de trabajo de Secrétariat et Administration en Échirolles (diciembre 2025)

Human Resources Director

hace 4 días

Grenoble

Who we are We are Mantle 8, a clean-tech start-up revolutionizing natural hydrogen exploration with cutting-edge technology and geologic strategies. Backed by leading clean-tech investors including Breakthrough Energy Ventures and Kiko Ventures, we're scaling up affordable natural hydrogen exploration — and you could be a key part of this journey! Natural hydrogen offers an affordable, abundant energy source with significant potential in Europe. At Mantle 8, we leverage 20+ years of expertise in geology, predictive modelling, and 4D imaging to pinpoint optimal reserves. What the role is about As Human Resources Director, you will build and lead Mantle8’s full HR function during a pivotal scaling phase. You will act as a strategic partner to the executive team, shaping our people strategy, culture, and organizational development across France and future international hubs. This is both a strategic and hands-on role: you’ll design HR policies, oversee talent acquisition, implement performance frameworks, drive leadership development, and ensure Mantle8 remains an exceptional place to work. You will lay the foundations of a robust HR organization while supporting a fast-moving deep-tech start-up environment. What you'll be doing People Strategy & Leadership: • Build and lead Mantle8’s HR function from the ground up, aligned with company growth objectives, • Act as a strategic advisor to the CEO and executive team on people, culture, and organizational design, • Develop HR policies, processes, and frameworks ensuring consistency and scalability Talent Acquisition & Employer Branding: • Lead recruitment strategy for technical, scientific, and corporate roles, • Build a strong employer brand to attract top global clean-tech talent, • Implement hiring processes and onboarding programs Employee Development & Performance: • Design and implement performance management, career development, • Develop leadership and training programs to support managers and high-potential employees, • Foster a culture of continuous feedback, learning, and excellence Compensation, Benefits & Compliance: • Oversee compensation and benefits programs ensuring competitiveness, cost efficiency, and fairness, • Ensure full compliance with French labor laws (Code du Travail) and future international jurisdictions, • Establish HR metrics, reporting, and data-driven decision-making Culture, Engagement & Change Management: • Champion Mantle8’s culture, values, and mission as we scale, • Lead employee engagement initiatives and internal communication programs, • Support organizational transformation in a fast-growth environment What we're looking for Essential Requirements: • 5+ years of experience in Human Resources, including HR leadership roles, • Proven track record in scaling HR functions within fast-growing companies (start-up, scale-up, or innovation-driven environments), • Strong knowledge of French labor law, employment frameworks, and HR best practices, • Experience with talent acquisition, performance management, compensation frameworks, and organizational development, • Fluency in English and French, • Located in Grenoble or willing to Relocate (100% on-site required) Highly Valued: • Experience in deep-tech, energy, industrial, or scientific organizations, • Familiarity with Lucca (our main SIRH platform), • Prior experience in international HR operations or expansion incl. visa processes for internationals Personal Qualities: • Strategic thinker with strong operational execution, • Empathetic and trusted people partner with high emotional intelligence, • Excellent judgment, discretion, and confidentiality, • Ability to thrive in a fast-paced start-up environment, • Passionate about clean-tech and building impactful teams What we offer Competitive Package: • Attractive salary with meal, vacation, and CESU vouchers, • Corporate welfare plan and supplementary health insurance, • Indefinite contract (CDI – Cadre) with full French employment protections Unique Opportunity: • Shape Mantle8’s HR strategy from day one, • Direct involvement in scaling a pioneering clean-tech company, • Close collaboration with founders and scientists, • Empowered leadership role with high visibility and impact Career Development: • Opportunity to build and lead a full HR organization, • Long-term progression as the company expands internationally Ready to help revolutionize clean energy? Join us in building the future of natural hydrogen exploration! Mantle8 is an equal opportunity employer committed to diversity and inclusion. We welcome applications from individuals of all backgrounds.

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