Job title: Growth Marketing Manager
Location: London - Hybrid
Salary: £60,000 - £80,000
Team: Marketing & Comms
Reporting To: Head of MarComms
Closing date for applications: Monday 11th August 2025
This role is based in London and requires existing right to work in the UK. At this time, we are not able to offer visa sponsorship for this role. We are committed to building a diverse, global team and our sponsorship policy is evaluated on a role-by-role basis. We encourage you to keep an eye on our careers site to stay informed about future opportunities where we are able to offer visa sponsorship.
Kaluza reimagines energy to bring net-zero within everyone’s reach. Our intelligent platform enables energy providers to unlock the full value of a radically changing energy system and propel us to a future where renewable energy is sustainable, affordable and accessible for all.
From automating and simplifying core operations including billing to create a lower-cost, higher-engagement experience, to optimising energy usage across smart devices in the home, we turn tough challenges into win-win-win outcomes for customers, suppliers and the energy system.
We champion a flexible, hybrid work approach and we find that teams often benefit from coming together in the office at least once a week to foster connection and accelerate progress.
Outside of these collaborative opportunities, we aim to be as flexible as possible to balance work with life. As a company we come together annually for our conference and end of year celebrations!
What will I be doing?
As Growth Marketing Manager, you'll play a critical role in accelerating Kaluza’s brand reach, commercial pipeline, and digital performance across global markets. Reporting to the Head of Marketing Communications, you’ll lead demand strategies that drive awareness, engagement, and acquisition — all while strengthening our long-term brand equity.
You’ll own and optimise campaigns across key digital channels, act as a HubSpot power user, and bring a data-first, test-and-learn mindset to innovative digital campaigns. Working closely with product marketing, content, design, partnerships and business development, you’ll be at the centre of a collaborative commercial team driving business growth and cementing Kaluza as an industry thought leader.
ResponsibilitiesBuilding brand equity
- Drive brand growth through multi-channel digital campaigns that elevate Kaluza’s positioning in key markets.
- Work with product marketing, content and design to align messaging and creative across touchpoints – from the website and social media to partner campaigns.
- Lead website CRO, landing page performance and A/B testing to maximise reach and conversion.
- Implement SEO strategies to increase organic visibility and traffic quality.
Lead generation & nurture
- Design and execute cross-channel campaigns that drive awareness, consideration and qualified leads – across paid social, email/CRM, SEO, events, partners and the website.
- Partner closely with Business Development and Partnerships teams to create seamless lead flows and aligned campaign strategies.
- Act as HubSpot power user and admin – owning campaign setup, automation, reporting and optimisation.
- Own the strategy and roadmap for Kaluza’s website – ensuring it drives lead generation, showcases our value proposition, and continuously improves user experience.
Brand awareness & positioning
- Drive brand growth through multi-channel digital campaigns that elevate Kaluza’s positioning in key markets.
- Work with product marketing, content and design to align messaging and creative across touchpoints – from the website and social media to partner campaigns.
- Lead website CRO, landing page performance and A/B testing to maximise reach and conversion.
- Implement SEO strategies to increase organic visibility and traffic quality.
Data-led optimisation
- Develop a deep understanding of Kaluza’s proposition, customer personas and GTM strategy — and translate this into digital campaigns that deliver.
- Use tools like GA4, HubSpot, LinkedIn Campaign Manager, SEMrush and Hotjar to analyse, optimise and report on performance across the funnel.
- Track brand equity signals such as branded search, social followers and engagement, LinkedIn brand mentions, and referral traffic.
- Share insights and performance updates with internal stakeholders, up to SLT, and help activate commercial teams to extend campaign reach.
About You
You’ll be a growth-focused digital marketer with a strong foundation in demand generation and a passion for building modern, measurable brand strategies. You thrive in a collaborative, data-rich environment, and know how to connect messaging, creative and channel strategy to drive both short-term leads and long-term brand value.
Ideally you’ll have/be
- Experience in growth or digital marketing roles, ideally in B2B SaaS or technology-led businesses
- Hands-on experience running campaigns across paid social, CRM/email, website and SEO
- Deep expertise with HubSpot – including campaign setup, automation workflows and performance dashboards
- Proven ability to build, manage and optimise a B2B website for UX, lead generation and SEO performance
- Strong analytical mindset – confident using tools like GA4, LinkedIn Campaign Manager, SEMrush and Hotjar to generate insights and improve results
- Comfortable presenting performance updates and recommendations to internal stakeholders, including senior leadership
- A collaborative approach – you work well across teams and are excited to bring others along on the journey
What will set you apart
- Experience driving brand equity through digital campaigns, thought leadership or partnerships
- Familiarity with AI tools or data-driven personalisation in digital marketing
- A test-and-learn mindset, with experience leading A/B testing and conversion optimisation initiatives
- Knowledge of the energy or sustainability sector (a plus, but not essential
Kaluza Values
Here at Kaluza we have five core values that guide us as a business:
We’re on a mission, We build together, We’re inclusive, We get it done, We communicate with purpose.
Read more about our values over on our careers site.
From us you’ll get
- Pension Scheme
- Discretionary Bonus Scheme
- Private Medical Insurance + Virtual GP
- Life Assurance
- Access to Furthr - a Climate Action app
- Free Mortgage Advice and Eye Tests
- Perks at Work - access to thousands of retail discounts
- 5% Flex Fund to spend on the benefits you want most
- 26 days holiday
- Flexible bank holidays, giving you an additional 8 days which you can choose to take whenever you like
- Progressive leave policies with no qualifying service periods, including 26 weeks full pay if you have a new addition to your family
- Dedicated personal learning and home office budgets
- And more…
Even better? You’ll have access to these benefits from day 1 when you join.
We want the best people
We’re keen to meet people from all walks of life — our view is that the more inclusive we are, the better our work will be. We want to build teams which represent a variety of experiences, perspectives and skills, and we recognise talent on the basis of merit and potential.
We understand some people may not apply for jobs unless they tick every box. But if you're excited about joining us and think you have some of what we're looking for, even if you're not 100% sure, we'd still love to hear from you.
Find out more about working in Kaluza on our careers page and LinkedIn.
You can also find our Applicant Data Protection Policy here.
