Market
Energy
Battery Energy Storage Systems (BESS) Expert
Jacobs
London, UK
Posted on Jan 15, 2026
At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.
Your impact
Our UK and Continental Europe team is growing and we’re looking for a Technology Expert in BESS (Battery Energy Storage Systems) to provide leadership and technical advice, building on our current portfolio of BESS work with Government Agencies, Developers, Contractors and Investors.
Our team is based around the UK, at offices in England, Scotland and Wales; flexibility to travel between offices and client locations on occasion is desirable.
As a BESS Subject Matter Expert, you will lead and deliver a range of advisory services, driving innovation and excellence in energy storage solutions. Your role will be pivotal in shaping the future of sustainable energy projects and mentoring the next generation of engineers. We are looking for candidates with experience and skills in the areas listed below. We know the list is extensive, so please don’t worry if you don’t tick every box – your unique skills and perspective are valuable, and we’d love to hear from you.
Key responsibilities include:
- Build strong client relationships, leading progress meetings, presenting project updates and ensuring exceptional service delivery.
- Support business development, working with the sales team to grow our BESS portfolio, identify new opportunities and prepare compelling proposals.
- Develop and mentor a high‑performing team, supporting the growth of junior engineers and consultants and fostering a collaborative, learning‑focused environment.
- Drive technical innovation, applying the latest tools, technologies and industry insights to enhance project outcomes and shape best practice.
- Contribute to thought leadership, sharing expertise internally and externally to strengthen Jacobs’ position in the energy storage and renewables space.
- Collaborate globally, working with international teams to share knowledge, align approaches and support cross‑regional project delivery.
Here's what you'll need
- Degree or equivalent in electrical engineering or higher.
- Extensive experience in BESS and its application, project development and implementation.
- Strong understanding of renewable energy generation technologies including solar PV and wind and their integration.
- Knowledge of the UK & Continental Europe BESS market, key growth and global market insight.
- Knowledge of grid interconnection controls and grid code compliance requirements.
- Excellent leadership and communication skills, with the ability to manage complex projects and diverse teams and stakeholders.
- Strong analytical and problem-solving abilities with a focus on innovative solutions.
- Capability to work under tight deadlines while achieving objectives with the ability to deal with competing priorities and manage time appropriately.
Why Jacobs?
People are Jacobs’ greatest asset, and we offer a competitive package to retain and attract the best talent.
In addition to the benefits you’d expect, UK employees also receive free single medical cover and digital GP service, family-friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes, plus reimbursement towards relevant professional development and memberships. We also give back to our communities through our Collectively program which incorporates matched-funding, paid volunteering time and charitable donations.
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Joining Jacobs not only connects you locally but globally. Our values stand on a foundation of safety, integrity, inclusion and belonging. We put people at the heart of our business, and we truly believe that by supporting one another through our culture of caring, we all succeed. We value positive mental health and a sense of belonging for all employees.
With safety and flexibility always top of mind, we’ve gone beyond traditional ways of working so you have the support, means and space to maximize your potential. You’ll uncover flexible working arrangements, benefits, and opportunities, from well-being benefits to our global giving and volunteering program, to exploring new and inventive ways to help our clients make the world a better place. No matter what drives you, you’ll discover how you can cultivate, nurture, and achieve your goals – all at a single global company. Find out more about life at Jacobs.
We aim to embed inclusion and belonging in everything we do. We know that if we are inclusive, we’re more connected and creative. We accept people for who they are, and we champion the richness of different perspectives, lived experiences and backgrounds in the workplace, as a source of learning and innovation. We are committed to building vibrant communities within Jacobs, including through our Jacobs Employee Networks, Communities of Practice and our Find Your Community initiatives, allowing every employee to find connection, purpose, and belonging. Find out more about our Jacobs Employee Networks here.
Jacobs partners with VERCIDA to help us attract and retain talent from a wide range of backgrounds. For greater online accessibility please visit https://www.vercida.com/uk/employers/jacobs to view and access our roles.
As a disability confident employer, we will interview disabled candidates who best meet the criteria. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role.
We value collaboration and believe that in-person interactions are crucial for both our culture and client delivery. We empower employees with our hybrid working policy, allowing them to split their work week between Jacobs offices/projects and remote locations enabling them to deliver their best work.
Your application experience is important to us, and we’re keen to adapt to make every interaction even better. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team via Careers Support.
Locations
| City | State | Country |
|---|---|---|
| Birmingham | West Midlands | United Kingdom |
| Bristol | Bristol City | United Kingdom |
| Glasgow | Lanarkshire | United Kingdom |
| Manchester | Greater Manchester | United Kingdom |
| Exeter | Devon | United Kingdom |
| Leeds | West Yorkshire | United Kingdom |
| Belfast | Antrim | United Kingdom |
| Wokingham | Berkshire | United Kingdom |
| London | Greater London | United Kingdom |
