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Salary
≈ $63k – $125k per year (Estimated)
Location
In office (London)
Seniority
Senior · 5+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 24, 2026. First seen by Alion on Aug 28, 2026.

Overview
Company
Impact
Profile match
Looking to participate in the green energy market? We provide automation software and trading desks - connecting sources of energy to revenue.

Who are we?

Arenko was founded in 2014 and we are growing rapidly in an emerging sector. We’d describe ourselves as fast-paced and inclusive. Our team are self-motivated problem solvers who take a collaborative approach to help the business develop and grow.

So what do we do?

As we move to the high-renewables and low carbon era, electricity storage is transforming the way the energy industry operates. The energy industry is fast becoming a digital and multidisciplinary sector that provides a fundamental service for modern society, but these needs must be delivered in a socially responsible way. Arenko is using new technology to add flexibility to the grid and secure supply in this fast-changing industry, offering a huge variety of opportunities for the future. At Arenko we are strongly committed to our mission of building a sustainable future by enabling a zero-carbon grid worldwide. Energy storage has a crucial role to play in the energy transition, and our technology enables the transformation of energy systems. We have committed a Sustainability Strategy more details of which can be found on our website at https://arenko.group/sustainability/

Sound like something you care about? Please read on…

What’s the role?

Arenko is looking for a new Account Manager to join our fast-growing commercial team and help us continue to grow our valued client accounts. This is a unique role that combines strong commercial acumen with deep industry and product knowledge. The Account Manager will build and expand relationships with a portfolio of key existing and new clients to drive revenue growth. Acting as a brand ambassador for Arenko, you'll provide ongoing support for client needs, ensure contractual commitments are met, and work closely with clients and internal teams to identify and unlock new growth opportunities.

You will:

  • Mobilise and onboard new clients, from contract signature through to in-life operation
  • Champion Arenko as a brand ambassador and identify and develop new revenue opportunities
  • Establish and develop strategic account plans for each customer, owning the relationship throughout the life of the contract to maximise value and meet all contractual obligations
  • Organise annual planning sessions between client C-level teams and Arenko's SLT/P&T teams
  • Coordinate across internal teams to resolve client issues and concerns, working closely with Helpdesk, Product, Engineering and Finance to ensure technical and administrative challenges are resolved effectively
  • Liaise with third parties, such as NESO and partners, to understand and meet customer needs
  • Advocate internally for client needs and preferences, championing new products and features that increase client satisfaction and the ROI of their low-carbon assets
  • Work with Finance to ensure accurate and timely billing and payment from customers
  • Stay up to date on market, policy and regulatory changes that could affect Arenko or our clients, and communicate these effectively across all parties
  • Travel as needed to meet with clients and attend industry events
  • Proactively monitor account performance using Arenko's proprietary software
  • Guide new clients through onboarding, ensuring active product adoption and fast time-to-value
  • Grow client satisfaction and expand existing relationships by implementing contact plans across all levels of the client's organisation.

Who are you?

Here at Arenko, we appreciate every single employee and the values they bring to the company so you might be completely different to what we expected. That being said, here’s a few things we’d love you to tick the boxes on;

  • Minimum 5 years' account management experience (as an Account Executive or Account Manager)
  • Experience working in the renewable energy sector, preferably with flexible assets such as energy storage
  • Experience working in SaaS
  • Commercial acumen, with experience of contract renewal/negotiation and deal expansion (upsell/cross-sell) for enterprise-scale (multi-£m) SaaS customers
  • Sound understanding of HubSpot, Google Workspace and Microsoft Office (particularly Excel and PowerPoint)
  • Customer-focused, with excellent sales and customer satisfaction skills
  • Financially numerate, with the commercial acumen to join the dots across multiple conversations and secure commercial advantage
  • Excellent interpersonal and communication skills, both written and verbal, to build credibility and strong relationships with stakeholders at all levels, internally and externally
  • Strong attention to detail, ensuring accuracy across all tasks, a clear grasp of contractual clauses and nuances, and an eye for spotting opportunities
  • Excellent organisational and time management skills, with the ability to prioritise and manage multiple urgent tasks to tight timelines
  • A collaborative team player who's always thinking about how to add value for the customer and Arenko, creating win-win outcomes
  • A strong interest in, or a degree related to, renewable energy (nice to have)
  • Customer Success experience (nice to have)

So what’s in it for you?

Hopefully the first thing is you love what we do and want to be part of the mission but let’s be honest…that’s probably not why you’re getting up to work everyday.

We know that rewarding our employees is the best way to make them feel valued. This is a journey we’d love you to take with us and as we grow we look forward to finding more ways to reward and thank you for your commitment to our mission. We currently offer the following benefits with more to come in future;

  • 25 days holidays in addition to public holidays, carry over flex and festive office closure (a pretty decent annual leave allowance even if we do say so ourselves!)
  • A genuine approach to flexible working - the vast majority of our employees spend at least a day or 2 each week in the office but we’re open to making this work for everyone, their personal circumstances and their workloads
  • Enhanced parental leave offerings with 6 months of full salary for the primary caregiver and 1 month for the secondary caregiver
  • We provide premium Private Medical Insurance through Freedom Elite on a Medical History Disregarded (MHD) basis. In plain English: we generally cover pre-existing conditions from day one - a perk that puts your wellbeing first.
  • A yearly salary review for all employees
  • We are proud to support the continuous professional growth of our employees by providing a personal annual learning and development budget and fully covering the costs of professional membership fees and subscriptions relevant to your role
  • Access to MindTools on us
  • Bike to Work Scheme (because it wouldn’t be very on brand if we didn’t encourage you to think about how your travel affects the environment)
  • Octopus EV Scheme (see above!)
  • A commitment to your wellbeing, with access to our Employee Assistance Programme and complimentary eye tests in partnership with Specsavers
  • Internal working groups to focus on the things that matter to you like our “Women of Arenko”, “Diversity, Equity and Inclusion” and “Parents of Arenko” groups
  • As part of our DEI efforts, we are currently in partnership with MotherBoard which enable us to be committed to improving the working lives of parents at Arenko
  • Regular opportunities to blow off some steam engage with our team, including quarterly socials, the big Festive Gathering and the Summer Party. We’re also working on our wellness initiatives to support your Physical, social, mental and financial wellbeing.

Want to join us?

Here at Arenko, we want every employee and candidate to feel valued, comfortable, and able to be their own free self at work. Together, we are committed to building a diverse and inclusive culture that encourages, supports, and empowers the authentic voices of all our employees. All qualified applicants will receive consideration for employment without regard to race, colour, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age or any other aspect that makes you unique.

Think you're a good fit? Send us your CV. Climate change moves quickly and so do we - we'll do our absolute best to get back to you within a week.

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