The Role The PV & BESS Engineer reports to the Engineering Manager within the General Engineering and Technical Support (GETS) team. Their role is central to the development of Sonnedix's PV and BESS pipeline, providing technical support to the Growth teams in Spain and Portugal (with potential to support other countries) and to the E&C; team during the EPC tender, notice-to-proceed and construction phases. The PV & BESS Engineer assesses the technical feasibility of new opportunities, reviews technical due diligence for acquisitions, and helps ensure preliminary designs, CAPEX estimates and engineering calculations are robust and well documented.

The PV & BESS Engineer works closely with internal stakeholders, including Growth, Project Management, Site Management, and Asset Management, to define technical inputs and assumptions, support contract development and negotiation, and review EPC contractors' technical deliverables for compliance with design and standards. The role offers ownership of key technical workstreams, including preliminary plant configuration, yield and degradation calculations, and MV/HV interconnection concepts, as well as collaboration with owner's Engineers and specialised consultants to resolve technical risks and open items across the project lifecycle, from early-stage development through construction and handover to Operations.

Desirable Skills:

- Proven experience in PV engineering, with BESS experience highly valued, and a relevant engineering degree specialising in renewable energies
- Proficient in AutoCAD, PVcase and PVsyst, with a strong grasp of Spanish and Portuguese codes, standards and authorization processes
- Proven ability to review and interpret detailed PV/BESS technical documentation and drive design optimisation
- Highly organised with the ability to communicate clearly and effectively with a range of stakeholders across functions and cultures
- Curious learner with a strong interest in AI-enabled engineering tools (Copilot, Claude/Cowork)



and enthusiasm for contributing to system and process improvements

We use English as our business language, please submit your CV in English. We deploy AI across the business, from generation and trading decisions to the everyday workflows of every team. We invest in our people’s digital fluency so everyone works alongside these tools with confidence.

Studies show that many qualified candidates hesitate to apply unless they meet every requirement. If this role excites you, but you don’t meet every single qualification, we still encourage you to apply. We value diverse skills, perspectives, and experiences that contribute to a stronger team.

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 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.

About Us

Sonnedix is a global renewable energy company delivering 100% clean electricity through a diversified portfolio of solar, wind, and storage assets.

With almost two decades of sustainable growth, we are committed to Powering a Bright Future, as we continue acquiring, developing, building, and operating renewable energy projects for the long-term, delivering innovative, tailored, and fully renewable energy solutions to our customers.

We help you thrive at work and beyond: A people-first company, committed to offer flexibility, a family-first approach, wellbeing and training support,



and – above all – team connection and community!

We are tech-fluent by design: Technology isn’t a support function, it’s how we run. We deploy AI across the business and future-proof your career by investing in our people’s digital fluency.

We have nearly two decades of sustainable growth: Our successful track-record of nearly 2 decades is testament to our strong sustainable growth focus. We are a reliable partner and employer, for the long term!

We are truly diverse and inclusive: A culture of listening to each other, educating ourselves, and implementing changes to improve and ensure every member of our One Team feels and knows they belong.

Hear from some of our team about Sonnedix: https://www.sonnedix.com/careers

What we offer

- One company, many careers - as the company grows, we offer the opportunity for you 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’, for up to six weeks in a year
- Summer working hours
- Financial, Social, Mental & Physical wellbeing support
- The Sonnedix Academy – a range of training and development opportunities including professional development, management and leadership programs, technical training, essential skills, DEI, mentorship and much 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, which are employee-led groups, based on shared identities, interests, backgrounds and life experiences

and many more local benefits!

📌 PV & BESS Engineer (Madrid)
🏢 Sonnedix
📍 Madrid