As a Senior Associate in the Strategy team at Sonnedix, you will play a central role in shaping the company's strategic agenda, partnering with senior leaders, driving high‑impact transformation projects, generating data‑driven insights, and supporting executive governance forums.

You will also help build a forward‑looking strategy function by championing improved processes, new tools and innovative ways of working. Through market, competitor and financial analysis you will anticipate trends, identify opportunities and align with the company’s long‑term vision. You will be part of a small, closely‑knitted team where collaboration, trust and mutual support are key.

Desirable skills

Proven experience in strategy consulting or similar in‑house strategy / transformation roles

Excellent communication and relationship‑building skills, comfortable engaging and managing senior audiences

Strong business acumen and structured thinking, with the ability to coordinate multiple priorities effectively

A curious, analytical and problem‑solving mindset, with experience working with complex data and financial models

A talent for crafting executive‑ and board‑level materials with clear, compelling storytelling

Fluent in English; additional languages are a plus

AI & Digital Literacy

Confident use of AI tools (e.g. Copilot, Claude or similar) to enhance productivity, collaboration, analysis and decision‑making

Advanced proficiency in Excel and PowerPoint

Experience with data and visualisation tools (e.g. Power BI, SQL, Python)



is an advantage

Salary In line with EU pay transparency requirements, salary ranges will be shared with candidates in the EU before progressing to the next stage of the recruitment process and always before an interview. This range reflects the typical starting pay for new hires. Pay above this level may apply in specific circumstances based on experience, skills or role scope.

What we offer

One company, many careers – as the company grows, opportunities to develop your career with us

An inclusive, international working culture with a diverse team of friendly professionals from across the world

A commitment to flexibility – hybrid working, generous annual leave allocation with an additional four weeks of discretionary unpaid leave

A family‑first company – generous paid parental leave and support for carers

The ability to work from elsewhere, up to six weeks in a year

Summer working hours

Financial, social, mental and physical well‑being support

Training and development opportunities through the Sonnedix Academy (professional development, management and leadership programs, technical training, essential skills, DEI, mentorship and more)

Dedicated learning paths, tools and resources to help every colleague confidently use AI and digital tools in their work

Fantastic office environments

Social events, team‑building opportunities and One Team Network groups based on shared identities, interests, backgrounds and life experiences

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📌 Senior Associate Strategy (Madrid)
🏢 Sonnedix
📍 Madrid