Consultant en Conseil BESS (H/F)

Job Description

We're the world's largest independent renewable energy company. We're guided by a simple yet powerful vision: to create a future where everyone has access to affordable, zero carbon energy.

We know that achieving our ambitions would be impossible without our people. Because we're tackling some of the world's toughest problems, we need the very best people to help us. They're our most important asset so that's why we continually invest in them.

RES is a family with a diverse workforce, and we are dedicated to the personal professional growth of our people, no matter what stage of their career they're at. We can promise you rewarding work which makes a real impact, the chance to learn from inspiring colleagues from across a growing, global network and opportunities to grow personally and professionally.

Our competitive package offers a wide range of benefits and rewards.

The position

We are expanding our Advisory Services team within Asset Management and are looking for an engineer with early-career consultancy experience who wants to work across the full lifecycle of battery storage projects.

This is a client-facing technical role suited to engineers who enjoy combining technical analysis, commercial awareness and project delivery.

You will work with investors, developers and asset owners across BESS projects in the UK and Europe, supporting activities such as technical due diligence, Owner's Engineer roles and advisory mandates.

You will deliver technical advisory services across battery storage projects from development through operations, including:

• Delivering Technical Due Diligence and Owner's Engineer assignments
• Supporting project development and construction monitoring
• Reviewing BESS system design, EPC contracts and technical documentation
• Supporting financial close technical reviews for investors and lenders
• Conducting site visits and technical assessments
• Preparing clear technical reports and presentations for clients
• Managing project scope, timelines and budgets for advisory assignments

You will also support the growth of RES' advisory offering by working closely with asset management, business development and operations teams.

Who This Role Suits

This role is ideal for engineers with strong experience who want to move further into technical consulting and client advisory within the energy storage sector.

You may currently work in:

• A renewables consultancy
• Owner's Engineer / Lenders Engineer team
• BESS developer or EPC technical team
• Engineering consultancy supporting renewable infrastructure

Key Experience

We are particularly interested in candidates who have experience with:

• Battery Energy Storage Systems (BESS) or renewable energy projects
• Technical due diligence, owner's engineer or technical advisory work
• Reviewing technical designs, contracts and project documentation
• Client-facing technical reporting
• Project lifecycle exposure (development → construction → operations)

Experience with project finance or investor technical reviews is a strong advantage.

Skills

• Strong technical writing and reporting ability
• Commercial awareness of infrastructure projects
• Ability to manage multiple assignments simultaneously
• Clear communication with technical and non-technical stakeholders
• Willingness to travel for site visits

Qualifications

• Degree in Engineering or related discipline
• Strong experience in renewable energy, storage or infrastructure consulting
• Valid UK driving licence

Why Join RES

At RES, you'll work with experts across wind, solar and energy storage while helping clients deliver the next generation of renewable infrastructure.

We offer:

• Exposure to high-profile renewable projects
• Opportunities to work across technical, commercial and advisory disciplines
• A global network of renewable energy professionals
• Strong support for career development in technical consulting

At RES we celebrate difference as we know it makes our company a great place to work. Encouraging applicants with different backgrounds, ideas and points of view, we create teams who work together to solve complex problems and design practical solutions for our clients. Our multiple perspectives come from many sources including the diverse ethnicity, culture, gender, nationality, age, sex, sexual orientation, gender identity and expression, disability, marital status, parental status, education, social background and life experience of our people.