Carbon3ai Limited.

Carbon3 is building the UK's sovereign AI infrastructure platform, combining renewable energy distributed compute and full data ownership to power the next generation of sustainable innovation. Role Summary We are seeking an Enterprise Sales Lead - Industry to drive growth across priority verticals such as Healthcare, Energy, Finance, and Government. This role is first and foremost about driving sales growth. You'll identify and pursue new opportunities, build relationships with major industry enterprises, and close complex deals that align with Carbon3's AI infrastructure capabilities. Alongside this, you'll help refine our go to market approach and shape the narrative for how Carbon3 engages key verticals. Working cross functionally with marketing, partnerships, and product teams, you'll turn industry insights into tangible commercial outcomes. Key Responsibilities Own the sales strategy and pipeline for one or more priority industry verticals. Engage senior decision makers across large enterprises and public sector organisations. Translate industry needs into compelling AI infrastructure value propositions. Develop and refine go to market plans for each target sector. Collaborate with Product and Partnerships to build and take industry specific solutions to market. Lead strategic proposals, bids, and presentations to C level stakeholders. Track and report pipeline performance, win rates, and account growth. Represent Carbon3 externally as a credible voice on sovereign AI and sustainability. Required Qualifications Extensive experience in enterprise sales or strategic business development. Strong network and credibility in Healthcare, Energy, Finance, or Government sectors. Proven track record of closing complex enterprise deals and achieving sales targets, maintaining records of ARR. Understanding of AI, data, or cloud infrastructure adoption within large organisations. Excellent executive communication and stakeholder management skills. Commercially driven, with strong ability to translate strategy into revenue outcomes. Preferred Experience Experience in start up or scale up sales environments. Familiarity with sovereign infrastructure, data compliance, or regulated sectors. Experience launching or leading new vertical GTM strategies. Understanding of AI driven digital transformation within enterprise contexts. Success Metrics Pipeline growth and revenue performance in target verticals. Adoption of industry GTM blueprints and co branded solutions. Acquisition of strategic logos and acceleration of deal cycles. Strong partner engagement and cross functional execution. Why Join Carbon3 Drive commercial growth within one of the UK's most innovative, high growth AI infrastructure companies. Operate at the forefront of fast moving, high investment markets shaping the future of sovereign compute. Work directly with senior leaders across government, enterprise, and technology ecosystems. Influence Carbon3's market position across high impact industries. Benefit from performance linked growth potential. Equal Opportunity Statement Carbon3.ai is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. Location: This role requires travel to customer sites within the United Kingdom and regular interaction with the Carbon 3 team.

Senior Pre Sales Engineer / AI Solutions Carbon3isbuildingtheUK'ssovereignAIinfrastructureplatform,combiningrenewableenergy,distributedcompute,and fulldataownershiptopowerthenextgenerationofsustainableinnovation. We're seeking a Senior Pre Sales Engineer who has expertise in AI solutions architecture to sit at the intersection of customer business challenges and cutting edge AI technology. This is a hands on, customer facing role responsible for designing and delivering enterprise grade AI solutions leveraging retrieval augmented generation (RAG), fine tuning, and inference deployment across Carbon3.ai's sovereign AI Mesh. You'll blend deep technical expertise with commercial acumen - engaging customers, architecting solutions, and ensuring seamless deployment of AI systems that drive real world transformation. Key Responsibilities Customer Solution Design Engage with enterprise customers to understand business goals and map them to AI workflows. Architect RAG pipelines, fine tuning strategies, and inference endpoint deployments using our key products. Collaborate with GTM and sales teams during pre sales cycles, workshops, and proof of concepts. AI and ML Engineering Implement, optimise, and deploy models using PyTorch, HuggingFace, LangChain, and NVIDIA Triton. Execute fine tuning and evaluation of foundation models for domain specific use cases. Package and deploy models into scalable inference endpoints (REST/gRPC APIs, containerised or GPU accelerated environments). Data and Knowledge Integration (RAG) Build pipelines that connect structured and unstructured enterprise data into vector databases and embedding models. Design semantic search and retrieval strategies to maximise response accuracy and relevance. Ensure all data pipelines are secure, compliant, and performant at scale. Collaboration and Knowledge Sharing Work closely with infrastructure and platform engineering teams for smooth deployments. Feed insights into the product roadmap and platform feature development. Act as a thought leader and trusted advisor to customers exploring applied AI adoption. Technical Excellence Develop and maintain 3-4 reusable solution accelerators (templates, playbooks, code repos) adopted across projects. Reduce model deployment cycle time by >30% through automation, tooling, or platform improvements. Collaboration and Growth Train or mentor at least 2 junior engineers or solution architects in AI delivery best practices. Contribute 2+ technical case studies, blog posts, or conference talks showcasing Carbon3.ai's AI solutions. Revenue Contribution Support pre sales activities resulting in measurable influenced ARR aligned with GTM metrics. Required Qualifications Experience working directly with enterprise customers and translating technical concepts into business value. Solid experience within AI/ML engineering, applied AI, or solutions engineering roles. Proven experience with Deploying inference endpoints at scale (Triton, HuggingFace Inference, Ray Serve, Kubernetes) Strong coding skills in Python (and ideally one of Go, Java, or C++). Deep understanding of vector databases, embeddings, and semantic search. Preferred Experience Exposure to NVIDIA AI Enterprise, HPE Private Cloud AI, or other enterprise AI platforms. Familiarity with UK regulatory and compliance frameworks (data sovereignty, ISO 27001, SOC 2). Knowledge of GPU optimisation and performance tuning. Contributions to open source AI or ML projects. Why Join Carbon3.ai? Work with next generation AI products Operate at the forefront: Join a fast moving, high investment market shaping the future of sovereign compute. Engage with senior leaders: Collaborate with executives across government, enterprise, and technology ecosystems. Influence market direction: Help position Carbon3 as the trusted platform for sustainable, sovereign AI adoption. Benefit from growth: Competitive compensation and performance linked rewards. Location This opportunity will require the successful individual to travel to customer sites across the United Kingdom.

An emerging AI infrastructure start-up in the UK is looking for an FP&A Manager to own financial planning and forecasting across their data centre portfolio. The role involves leading budgeting processes, building financial models, and preparing reporting materials for stakeholders. Ideal candidates should be ACA/ACCA/CIMA qualified or equivalent, with strong analytical skills and experience in FP&A within high-capex tech or energy sectors. Hybrid work options are available.

We are an emerging AI infrastructure start-up building next-generation data centres and high-performance compute environments to power AI, LLM training, and cloud-scale workloads, powered by renewable energy, rooted in sovereign capability, and designed to give enterprises and innovators the compute they need. Backed by leading investors, we are rapidly expanding our site development pipeline, engineering capabilities, and commercial partnerships. As FP&A Manager, you will own financial planning, forecasting, and strategic analysis across our AI and data centre portfolio. You will also assess project viability, analyse capex requirements, model long-term returns, and provide insights that shape our expansion roadmap as well as dealing with a number of ad 'hoc requests as we gear up our operations and activities. Key Responsibilities Lead budgeting, rolling forecasts, cash planning, and long-range modelling. Build capex, opex, utilisation, and ROI/IRR models. Prepare monthly reporting packs and KPI dashboards. Partner with Engineering, Operations, Real Estate, and Commercial teams. Support site feasibility, power procurement, and hardware lifecycle planning. Prepare financial materials for fundraising and investor updates. Improve FP&A tools, dashboards, and reporting processes. Skills & Experience Required ACA/ACCA/CIMA qualification or equivalent. Expertise in technical accounting as you will need to support the financial accounting team and the audit process. Proven financial modelling knowledge. Great communication and previous business partnering proficiency. Understanding of data centre economics and GPU/compute economics - desired. FP&A experience in infrastructure, data centres, energy, telecoms, or high-capex tech - desired Personal Attributes Highly analytical and commercially minded. Comfortable operating in a fast-paced start-up. Detail-oriented with strong strategic thinking. Able to collaborate effectively with technical teams. Self-starter, motivated, keen to learn and develop What We Offer Competitive compensation package Hybrid/remote flexibility. Opportunity to shape financial strategy in a frontier technology sector. Impactful role with significant exposure to leadership.