About ENSEK
ENSEK builds the cloud‑native SaaS software that’s transforming how energy retailers operate, innovate and manage at scale.
We help retailers lower operating costs, improve billing accuracy for consumers, and enhance customer experience through automation and AI‑driven insight, all underpinned by modern, cloud‑native architecture.
ENSEK is at an exciting inflection point as we scale at pace towards new international horizons. If you’re driven by solving complex, real‑world problems and want to build modern technology that accelerates the global energy transition, you’ll feel right at home with us.
Position Summary
This is a senior go‑to‑market (GTM) Product Marketing Manager role for ENSEK Flex, ENSEK’s cloud‑native energy flexibility platform. The role owns the end-to-end product marketing function for the Flex portfolio, which currently spans Whole Home Optimisation, Flexibility Monetisation, Proactive Fleet Health, and the Consumer Engagement Ecosystem, as well as future commercial offerings.
Operating at the intersection of product, commercial strategy, and market storytelling, you will be responsible for how ENSEK Flex is positioned, differentiated, launched, and scaled in a fast‑evolving energy flexibility market. This role exists to ensure the market clearly understands ENSEK Flex’s value, relevance, and commercial advantage. You will be working closely with Product, Sales, Customer Success, and the wider ENSEK organisation to shape coherent narratives, enable effective selling, and support ENSEK’s growth as a credible leader in energy flexibility.
Key Accountabilities and Responsibilities
Own the go‑to‑market strategy for ENSEK Flex, defining target segments, buyer personas, competitive context, and a commercialisation roadmap aligned to product development.
Develop and steward differentiated positioning and messaging for the Flex platform and its component solutions, translating complex technical capabilities into commercially resonant value propositions.
Enable Sales to sell Flex effectively by creating high‑-impact sales enablement, including discovery frameworks, battle cards, objection handling, ROI narratives, and competitive-positioning tools.
Maintain a live view of the market and competitive landscape, including energy flexibility platforms, aggregators, OEM‑led propositions, and regulatory developments across ENSEK’s current and future markets.
Lead launch planning and commercialisation for significant Flex capabilities, integrations, and milestones, ensuring strong framing, appropriate launch approaches, and sales readiness.
Contribute to and, where appropriate, lead thought leadership activity that positions ENSEK as a credible voice in energy flexibility, including events, conferences, analyst engagement, and written content.
Act as the connective tissue across Product, Sales, Customer Success, and Product Marketing, ensuring a coherent and credible Flex narrative as integration with Ignition evolves.
Apply AI tools thoughtfully to scale research, content creation, analysis, and testing, while retaining full ownership of judgement, quality, and output.
Key Outcomes
A clear, compelling, and credible market narrative for ENSEK Flex, understood internally and recognised externally.
Improved sales effectiveness, with stronger discovery, clearer differentiation, and higher conversion in complex, consultative sales cycles.
Successful and consistent commercialisation of new Flex capabilities, with high sales readiness and minimal friction at launch.
A continuously refreshed, actionable understanding of the energy flexibility market, influencing both GTM execution and product direction.
Strong alignment across Product, Sales, and Customer Success on how Flex is positioned, sold, and delivered.
Skills, Knowledge and Experience
Demonstrable experience in product marketing within a B2B software or technology environment, with end‑to‑end ownership of positioning, messaging, and sales enablement.
Deep domain expertise in energy flexibility, distributed energy resources, or adjacent smart energy markets, with the ability to engage credibly with technical experts and senior buyer audiences.
Strong written and verbal communication skills, particularly translating technical complexity into clear, compelling commercial narratives.
Experience working closely with Sales, with a clear understanding of how enablement supports real buying processes and pipeline movement.
Comfort operating in a high‑autonomy environment with broad ownership, pace, and ambiguity.
Exposure to structured product marketing methodologies (e.g. Pragmatic Institute).
Practical experience using generative AI tools to accelerate product marketing work while maintaining strong editorial, strategic, and quality standards.
Company Benefits
25 days’ holiday + bank holidays
Option to buy or sell 5 extra annual leave days per year
Vitality Health Insurance, including private healthcare, virtual GP access, mental‑health support and wellbeing perks (50% off gym memberships -Virgin Active, Nuffield, PureGym)
Pension with 5% matched contribution
Regular team‑wide and company‑wide events
2 volunteering days per year to give back
Remote‑first working environment with offices in London and Nottingham
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