Key Account Manager

Job description

Key Account Manager – Energy Storage Systems (ESS) - United Kingdom (Remote)

Are you ready to take a pivotal role in one of the fastest-growing segments of renewable energy? This is a rare opportunity to join a globally respected clean energy technology leader at a time of significant expansion in the UK Energy Storage Systems (ESS) market.

Overview:

Our client is a global pioneer in renewable energy technology, recognized worldwide for delivering best‑in‑class solar inverter and energy storage solutions. With thousands of employees across multiple continents and a track record spanning decades, their technology underpins utility-scale and commercial renewable projects in more than 150 countries.

Now, as the UK ESS market continues its rapid growth, they are strengthening their commercial team to drive strategic, long-term partnerships at the highest level.

The Opportunity:

As Key Account Manager, you will be a key commercial leader responsible for driving growth across the UK’s utility-scale storage market. You’ll own strategic customer relationships end-to-end, influence major project outcomes, and act as a trusted advisor to some of the most influential players in the energy sector.

What You’ll Be Doing:

• Manage and deepen relationships with key UK clients, including utilities and project developers, acting as their primary commercial contact.
• Develop and execute strategic account plans, identifying and unlocking growth opportunities in ESS projects.
• Lead the full sales lifecycle, from early-stage engagement and technical-commercial consultation through to contract negotiation and deal closure.
• Provide market intelligence, competitor insights, and customer feedback to senior leadership to support wider business and product strategy.
• Collaborate closely with internal technical, project delivery, and after-sales teams to ensure seamless execution and outstanding customer satisfaction.
• Represent the UK business at industry events, conferences, and trade shows, strengthening brand presence and expanding the client network.

What We’re Looking For:

To thrive in this role, you’ll combine strong commercial instincts with deep market knowledge and the confidence to operate at senior stakeholder level.

You’ll bring:

• Previous experience selling Energy Storage Systems in the UK market.
• A strong understanding of the UK ESS landscape, including regulations, market trends, key developers, utilities, and competitors.
• A demonstrable track record of managing complex key accounts and growing long-term strategic partnerships through consultative selling.
• Excellent commercial, negotiation, and presentation skills with the ability to influence at all levels
• Willingness to travel across the UK, with occasional international travel.
• A self-driven, results-oriented mindset, combined with the ability to collaborate effectively within a multicultural, international environment.

What’s On Offer:

• The chance to play a defining role in the UK’s clean energy transition.
• Join a global market leader with financial strength, long-term vision, and cutting-edge technology.
• A dynamic, fast-paced environment where your impact is visible and valued.
• Attractive compensation and benefits package.
• Clear opportunities for professional growth and career progression.
• A genuinely international culture that values openness, inclusion, and diverse perspectives.

If you’re passionate about energy storage, thrive on building strategic partnerships, and want to help shape the future of sustainable power in the UK, we’d love to hear from you.

Apply now with your CV and be part of the clean energy transformation.

Extra information

Status

Open

Education Level

Secondary School

Location

United Kingdom

Type of Contract

Full-time jobs

Published at

26-04-2026

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English