Lead Principal Data Scientist jobs in Bristol – Browse 120 openings on RoboApply Jobs

Lead Principal Data Scientist jobs in Bristol

Open roles matching “Lead Principal Data Scientist” with location signals for Bristol. 120 active listings on RoboApply Jobs.

120 jobs found

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OVO Energy logo
Full-time|£116.5K/yr - £154.6K/yr|Hybrid|Any of our offices

Join Our Team at OVO EnergyAs a Principal Data Scientist, you'll be pivotal in driving innovative projects that shape our data science strategies. You will lead high-impact initiatives that redefine our approach to customer experience and operational efficiency.Team: Software EngineeringLocation: Hub Based - HybridSalary: £116,500 - £154,588Experience Level:…

Apr 20, 2026
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Vertical Aerospace logo
Full-time|On-site|Bristol Office

Our MissionAt Vertical Aerospace, we are at the forefront of transforming electric aviation. Our groundbreaking eVTOL (electric vertical take-off and landing) aircraft, the Valo, aims to establish a new benchmark for safety in air travel while achieving 'zero emissions'.We are committed to redefining aerospace standards, moving away from outdated practices to innovate and grow as a scaling SME. Over the next few years, we anticipate significant growth as we strive to achieve airliner-level safety certification by 2028 and commence operations with our airline partners.Your RoleAs a Data Scientist, you will collaborate closely with our engineering teams to create models that enhance design, testing, and operational decision-making. This includes developing and validating predictive models such as battery lifespan predictions and surrogate models for load modeling.You will be responsible for taking concepts through to deployable solutions, partnering with data engineers to ensure that your models are supported by robust data pipelines and integrated seamlessly into engineering workflows. A strong emphasis will be placed on practical application, ensuring that models are interpretable, validated, and compliant with certification standards.Key ResponsibilitiesDevelop and validate predictive models for various engineering and operational applications, including performance forecasting and reliability assessments.Construct surrogate and approximation models to simplify complex systems and simulations, facilitating quicker and more scalable analyses.Collaborate with engineering teams to understand physical systems and translate them into data-driven models.Analyze extensive time-series datasets from flight and testing environments.Work with data engineering to ensure reliable data ingestion, transformation, and accessibility for modeling, enabling advanced analytics.Deploy models into production environments or engineering toolchains, ensuring their maintainability and usability.Ensure models are well-documented, explainable, and aligned with engineering and certification standards.Contribute to the creation of reusable modeling frameworks and methodologies across the organization.

Mar 31, 2026
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AECOM logo
Full-time|On-site|Bristol

Join AECOM as a Principal Water Quality Scientist/Modeller and contribute to innovative projects that shape the future of water quality management. As a key member of our team, you will leverage your expertise to analyze and model water quality systems, ensuring compliance with environmental standards and enhancing sustainability practices.

Apr 9, 2026
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Viper Innovations Ltd. logo
Full-time|£28K/yr - £35K/yr|On-site|Bristol

Join an exciting collaboration between UWE Bristol and Viper Innovations Ltd. as a Machine Learning Data Scientist under the Knowledge Transfer Partnership (KTP) programme.Viper Innovations is a renowned leader in delivering cutting-edge technology solutions for electrical distribution systems across various global industries, including oil, gas, and rail. In this role, you will collaborate with a dynamic team to develop advanced analytics algorithms for the company's next generation of products. Your contributions will be pivotal in helping Viper Innovations design and launch innovative products and services that enhance the operational lifespan of controls and electrical distribution equipment.This is a fixed-term position for 24 months, which includes comprehensive training through the national KTP Programme, along with a dedicated annual training budget of GBP 2,000 tailored to your professional development. You will receive mentorship and support from esteemed academics, Dr. Chris Simons and Dr. Kamran Soomro, from UWE Bristol.We are looking for candidates who possess:- A first-class degree in Computer Science, Engineering, or a related Mathematics subject, with a strong foundation in contemporary AI and Machine Learning techniques.- Proficiency in high-level programming languages, preferably Python or R.- Experience in mass data manipulation.- An exceptional analytical mindset and a methodical approach to solving complex problems.- Understanding of practical experimental methodologies for gathering and analyzing complex real-world data.For more details, please refer to the attached job advert and job description.Additional Information:Workplace: Viper Innovations, PortisheadSalary: GBP 28,000 - GBP 35,000 with an additional GBP 4,000 training budgetVacancy Reference: R00641Application Deadline: 27/10/2019Interviews Scheduled: Mid-November

Oct 2, 2019
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Graphcore logo
Full-time|On-site|Bristol, UK

Graphcore designs and develops hardware, software, and infrastructure that power Artificial Intelligence computing. Teams here focus on advancing AI technology and enabling its use in a wide range of industries. As a member of the SoftBank Group, Graphcore collaborates with other technology leaders who are dedicated to significant progress in AI. The company is committed to developing Artificial Super Intelligence and aims to make its advantages accessible to many.

Apr 22, 2026
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AND Digital logo
Full-time|On-site|Bristol, England, United Kingdom

AND Digital works with organizations to strengthen their digital capabilities. The team combines expertise in technology, business strategy, software development, and product management to help clients address complex challenges and close digital skills gaps. Creative thinkers and technologists who value real transformation are central to the company's approach. Role overview This Lead Backend Principal Engineer (Java) role is based in Bristol and sits within a group of over 80 professionals, with 30-40 developers ranging from Associate to Technical Lead. The position shapes technical direction for both AND Digital and its clients, balancing hands-on engineering with strategic influence. Main responsibilities Begin in a fully billable, hands-on engineering capacity. As the team grows, transition toward strategic consulting, focusing on client development and project turnaround. Work to secure new clients by addressing their technology challenges with practical and creative solutions. Define and lead the engineering vision, ensuring alignment with Club Executive strategy and client needs. Mentor developers across all levels, supporting their growth through direct involvement in projects. Establish and uphold coding standards across client projects. Provide technical leadership on complex engineering tasks, collaborating closely with Product Developers and Technical Leads. Foster a culture of inclusivity and diversity within the team and champion these values in client work. Support project delivery by aligning technical strategy with client requirements and contribute to resource planning during discovery phases. Work with the Consulting team to help shape AND Digital’s technology proposition and contribute to Thought Leadership efforts. Location Bristol, England, United Kingdom

Apr 21, 2026
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AECOM logo
Full-time|On-site|Bristol

Begin your journey with us and expand your horizons!AECOM is on the lookout for a Principal Civil Engineer who will assume a pivotal role in steering technical excellence across various projects for our data centre clients. These projects encompass everything from site due diligence assessments and master planning to intricate design and construction support. This position is crucial for fostering business growth, nurturing client relationships, and advancing AECOM’s civil engineering capabilities within the data centre sector.In this role, you will be part of a dynamic Civil Engineering Business Unit, collaborating with diverse professionals including ground engineers, structural engineers, mechanical engineers, electrical engineers, architects, project managers, environmental specialists, and surveyors both in the UK and internationally, all dedicated to our data centre project portfolio.As an ambassador for AECOM within the Data Centres market sector, you will deliver expert civil engineering guidance throughout EMEA and within our global teams. You will contribute vital civil engineering expertise to the realization of data centre projects for major technology clients, ensuring technical excellence, resilience, and seamless integration across disciplines. You will work closely with multidisciplinary teams across the UK and globally, reinforcing AECOM’s standing in the Hyperscale and Co-location data centre market.Key Responsibilities:Provide strategic civil engineering leadership and technical governance for data centre projects, ensuring adherence to AECOM standards and regulatory mandates.Lead, review, and authorize civil engineering infrastructure designs and specifications, crafting practical solutions for site development, earthworks, drainage, pavements, access, utility infrastructure, and all civil engineering works related to data centres.Collaborate with other civil engineers and technical specialists to support the delivery of our data centre project portfolio, including ground engineers, electrical engineers, mechanical engineers, structural engineers, project managers, architects, and environmental consultants across the UK and our global operations.Facilitate client engagement, business development initiatives, strategic asset planning, and sector thought leadership, while mentoring and developing civil engineers to enhance technical capabilities and delivery excellence within the Data Centres sector.Join us and grow together:AECOM offers a comprehensive suite of core and tailored benefits designed to support your future and well-being, allowing for a customized approach that fits your lifestyle. Benefit from career advancement opportunities, our flexible hybrid working model to help you achieve a work-life balance, access to technical practice networks, AECOM University, and volunteering days.

Feb 27, 2026
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Vertical Aerospace logo
Full-time|On-site|Bristol Office

Our VisionAt Vertical Aerospace, we are at the forefront of transforming electric aviation. Our flagship eVTOL aircraft, the Valo, is designed to achieve 'zero emissions' and will establish new benchmarks for safety in aviation.We aim to revolutionize aerospace practices, moving away from outdated conventions to reshape the future of flight. As we evolve from a prototype company into a thriving small-to-medium enterprise (SME), the next few years are pivotal for us in achieving our ambitious objectives. Our goal is to secure airliner-level safety certification by 2028, paving the way for operational service with our airline partners.Your RoleThis unique opportunity allows you to influence a fundamental component of a groundbreaking aircraft. As the Principal Propeller Engineer, you will serve as the technical expert for propeller systems, directly impacting design choices, certification processes, and system integration.You will collaborate within a small, skilled team across various disciplines to create a safe, reliable, and certifiable solution for the Valo. Your role will be hands-on and central to overcoming one of our key engineering challenges.Your ResponsibilitiesServe as the technical authority on propeller systems, guiding design, development, and certification efforts.Establish, evaluate, and endorse the propeller architecture, including blade design, hub, spinner, and associated hardware, ensuring compliance with safety, performance, and regulatory standards.Assume responsibility for complex engineering initiatives, from analysis and design trade-offs to drafting and reviewing certification documentation.Make informed technical decisions, considering trade-offs, even under uncertain or incomplete data conditions.Lead and assist in propeller certification activities to CS-P standards, contributing to broader aircraft-level certification under SC-VTOL.Utilize extensive knowledge of materials, manufacturing techniques, and operational behavior to guarantee the durability, maintainability, and certifiability of the propeller system.

Jan 23, 2026
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Phasecraft logo
Full-time|On-site|Bristol, England, United Kingdom

At Phasecraft, we are at the forefront of quantum algorithms innovation, dedicated to establishing the mathematical frameworks that enable quantum computing solutions for pressing real-world challenges. Founded in 2019 by renowned experts Toby Cubitt, Ashley Montanaro, and John Morton, our offices are strategically located in both London and Bristol, UK. In 2023, we successfully secured £13 million in Series A funding, spearheaded by Playground Global, a prominent Silicon Valley deep tech venture capital firm.Our unique access to cutting-edge quantum computers—through collaborations with industry giants such as Google, IBM, and Rigetti—positions us to create foundational intellectual property, guide the evolution of next-generation quantum hardware, and expedite the commercialization of transformative advancements.We are seeking a skilled Quantum Algorithms Scientist to join our dynamic team. The ideal candidate will possess expertise in the theory of algorithms for gate-model quantum computing or closely related fields within quantum computing, quantum information theory, or quantum theory. This role will be pivotal in advancing Phasecraft's mission to develop quantum algorithms tailored for near-term quantum computers. Responsibilities may include topics such as algorithm optimization and design, quantum codes, resource analysis, error mitigation, and hardware benchmarking. You will have the opportunity to cultivate a diverse portfolio of research activities across various dimensions of Phasecraft's interests.Key Responsibilities:Conduct theoretical and applied research focused on near-term quantum computing algorithms and associated theoretical technologies.Collaborate in the preparation of research publications, presentations, patent applications, and other scholarly outputs.Engage in teamwork with full-time staff and affiliated PhD students.Participate in additional initiatives that contribute to the growth and success of Phasecraft.Required Qualifications:Essential:In-depth knowledge of quantum information and/or computational theory.PhD (or imminent completion) in quantum information, quantum computation theory, theoretical computer science, theoretical physics, or a closely related discipline.Proven ability to independently manage research projects while collaborating effectively within a team.A strong publication record in relevant academic fields.Willingness to adapt across various aspects of quantum software and underlying theories.Readiness to engage in other tasks necessary for the firm’s development and success.Desirable:Passion for near-term quantum computing.Experience in implementing algorithms on quantum hardware and/or classical emulation; or a solid theoretical/mathematical research background with aspirations to apply this to quantum computing; or software development capabilities.A genuine enthusiasm for learning and conducting innovative research.Exceptional communication skills.

Sep 22, 2023
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Graphcore logo
Full-time|On-site|Bristol, UK

About Graphcore At Graphcore, we are pioneering the future of AI computation. Our skilled team of semiconductor, software, and AI specialists has extensive experience in developing a comprehensive AI compute stack—ranging from silicon and software to large-scale infrastructure. As a proud member of the SoftBank Group, supported by substantial long-term investment, we are providing crucial technology to the rapidly growing SoftBank AI ecosystem. As we capitalize on the immense and thrilling AI opportunities, Graphcore is expanding its global teams. We are uniting the brightest talents to tackle the toughest challenges in an environment where everyone has the chance to impact the company, our products, and the future of artificial intelligence. Job Summary Our team stands at the forefront of the artificial intelligence revolution, empowering innovators across various sectors to enhance human potential through technology. The accessibility of specialized AI computation will significantly influence the pace of AI's evolution. Graphcore enables innovators to achieve more, more swiftly—our contributions truly make a difference. Reporting to the Director of Silicon Architecture, the Principal SoC Architect is responsible for designing, specifying, modeling, and integrating subsystems within sophisticated, high-performance, and highly integrated silicon devices that drive AI acceleration technology. This role entails close collaboration with architecture, silicon design, verification, hardware, and software teams. The Team The Silicon Architecture Team operates within the COO group. The SoC Architects are accountable for the architectural specifications, integration, modeling, validation, and evaluation of numerous critical subsystems, ensuring the highest standards in performance and reliability.

Mar 31, 2026
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Ramboll Group logo
Full-time|On-site|Bristol

Join Ramboll as a Principal Designer focused on Building Regulations, where you will play a critical role in ensuring compliance and enhancing safety standards in construction projects. Your expertise will guide teams through complex regulatory frameworks, fostering innovation and adherence to best practices.

Feb 5, 2026
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AECOM logo
Full-time|Hybrid|Bristol

Kickstart your journey with us and experience professional growth!“Are you eager to collaborate with a team of hydrologists and influence the future of the Water Industry?”Join our vibrant and multidisciplinary Water Team as a Principal Hydrologist. This role offers the flexibility of being based in one of our UK or Ireland offices while benefiting from our adaptable hybrid working model.As a pivotal team member, you will spearhead impactful water projects both across the UK and internationally. Your expertise will be essential in conducting hydrological assessments that inform flood risk management, major infrastructure development, water resources planning, and environmental permitting.This senior position merges technical proficiency, client engagement, project supervision, and leadership within our expanding water team.Your responsibilities will include:Leading hydrological assessments to inform flood risk evaluations, infrastructure design, catchment strategies, and environmental impact assessments.Providing technical guidance on rainfall-runoff modelling, river flow estimation, climate change allowances, and catchment analysis.Overseeing and reviewing hydrological modelling outputs to ensure quality, accuracy, and adherence to UK regulatory standards.Acting as the technical lead on major frameworks and multidisciplinary projects across transport, energy, water, and development sectors.Advising clients on flood risk policies, drainage strategies, abstraction licensing, and environmental permitting requirements.Mentoring and developing junior hydrologists, promoting technical excellence and knowledge exchange.Supporting business development initiatives, including bid preparation and client relationship management.If you are passionate about innovation and turning ambitious ideas into reality, AECOM welcomes you. Join our team, where we not only construct infrastructure but also uplift communities and improve lives. Follow our AECOM Water page on LinkedIn to stay informed about the impactful projects we are undertaking and witness the difference we are making in the industry!Come grow with us.Become part of our dynamic Water business, comprising around 600 experts across the UK & Ireland. Collaborate with elite engineers and consultants to deliver a diverse array of projects, from minor initiatives to large-scale developments, from concept to completion.At AECOM, you'll thrive in an inclusive and progressive environment where your contributions are valued. Enjoy a variety of core and personalized benefits designed to support your future and well-being, tailored to fit your lifestyle. Take advantage of career advancement opportunities, technical practice networks, AECOM University, volunteer days, and our flexible hybrid working model to ensure a work-life balance that suits you.

Mar 3, 2026
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Vertical Aerospace logo
Full-time|On-site|Bristol Office

Join Vertical Aerospace as a Principal Loads and Aeroelastics Engineer, where you will play a pivotal role in the development of groundbreaking aerospace technologies. You will be responsible for conducting comprehensive analyses of loads and aeroelastic behavior in cutting-edge aviation systems. This is an exciting opportunity to contribute to innovative projects that redefine air travel.

Mar 12, 2026
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AECOM logo
Full-time|On-site|Bristol

Kickstart your career and shape the future!Are you eager to collaborate with a team of skilled engineers and make significant strides in energy infrastructure? Join our Transmission & Distribution (T&D) Engineering team, where we offer comprehensive services from concept development to Power Systems Analysis, Cabling, Substations, Transmission and Distribution Infrastructure, System Balancing and Compensation, Protection Systems, SCADA, Communications, Converter Station Design, HVDC Systems, and Interconnectors, including international links.Be part of a transformative project in the UK - the National Grid's Great Grid Upgrade. AECOM, in partnership with our joint venture, has been selected as the design and consenting service provider for this groundbreaking initiative. This £9bn Enterprise partnership aims to connect clean energy to homes and businesses across England and Wales by 2030. Join us, advance your career, and contribute to this remarkable project!Your Responsibilities:As a Principal Overhead Line Engineer, you will play a pivotal role in our Transmission & Distribution team, engaging with clients to deliver technically demanding overhead line design projects. Your primary focus will be providing technical support and overseeing the design of transmission projects, particularly overhead transmission lines up to 400kV.Deliver technical support for complex overhead line designs on multi-disciplinary projects.Engage in major work programs such as GGP projects.Assist in proposal writing, detailing project timelines, resources, budgets, objectives, and goals.Provide ongoing technical support throughout project implementation, statutory planning, and public consultation events.Lead design activities related to overhead lines, including PLS-CADD modeling, line routing, structural analysis, design criteria formulation, sag-tension calculations, insulator/conductor specifications, clearance reports, and material selection.Conduct feasibility studies and ensure compliance with industry standards and regulations.Develop technical layouts and solutions for client presentations.Originate and review engineering deliverables, including designs, reports, and drawing packages.Perform internal quality checks of engineering drawings and calculations.Why Join Us?At AECOM, you will enjoy a variety of benefits and opportunities for professional growth, all while contributing to meaningful projects that make a difference.

Mar 10, 2026
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AECOM logo
Full-time|Hybrid|Bristol

Are you passionate about ecology and ready to make a significant impact on the environment? Join our innovative Nature team as a Principal Ecologist in one of our expanding locations, including Cambridge, Basingstoke, Croydon, Leeds, Nottingham, Newcastle, Manchester, Birmingham, Glasgow, Edinburgh, Bristol, and Liverpool. Enjoy the advantages of our flexible hybrid working model, allowing you to balance work and life effectively.At AECOM, we lead the field in ecological innovation, managing an impressive array of Ecology programs and projects through enduring partnerships with key clients. Our projects span various sectors, including power and renewables, infrastructure, environment, and transport. We frequently collaborate with other technical disciplines, such as landscape architecture, GIS, engineering, sustainability, and drainage. Recent highlights include overseeing the largest solar farms approved in the UK, a cable tunnel beneath the River Thames, significant electrical network upgrades in Kent and Suffolk, and conducting habitat regulations assessments for local authorities.Your Responsibilities:Lead and deliver high-quality ecological consultancy and advisory services to internal and external clients.Plan, schedule, and organize all phases of ecological project work, ensuring resources, budgets, and controls meet program and budget requirements.Develop technically robust and pragmatic solutions for complex ecological challenges.Oversee the production of ecology chapters for environmental statements and protected species license applications.Review and author project deliverables, ensuring high-quality outputs.Contribute to the ongoing enhancement of our technical capabilities.Join Us to Grow:Become part of our dynamic Nature business, consisting of approximately 230 professionals specializing in arboriculture, forestry, groundwater, surface water, and ecology. Our team features national and global experts across the UK & Ireland, from species license holders to impact assessment professionals, habitat creation specialists, and ecosystem restoration leaders. At AECOM, you will thrive in an inclusive and innovative environment where your contributions are recognized and valued.We offer a comprehensive range of personalized benefits designed to support your well-being and future. Enjoy career development opportunities, a flexible hybrid working model, and access to resources like technical practice networks and AECOM University.

Mar 5, 2026
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Graphcore logo
Full-time|On-site|Bristol, UK

Graphcore creates hardware, software, and systems infrastructure to power advanced AI computing. The team develops technology that enables new progress in artificial intelligence and supports AI applications across many industries.As a member of the SoftBank Group, Graphcore collaborates with other technology companies to push forward Artificial Super Intelligence and broaden its impact.

Apr 22, 2026
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AECOM logo
Full-time|On-site|Bristol

AECOM seeks a Principal Mechanical Engineer to join the Bristol office. This position leads engineering projects that shape real-world outcomes, focusing on the design and delivery of mechanical systems across various sectors. Role overview The Principal Mechanical Engineer manages projects from initial concept to final delivery. The role emphasizes technical leadership and coordination with other disciplines to ensure project success. What you will do Lead mechanical engineering projects through all phases, from early design to completion Develop and deliver mechanical system designs for multiple applications Collaborate with multidisciplinary project teams to meet objectives Location This role is based in Bristol.

Apr 27, 2026
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Assystem logo
Full-time|On-site|Bristol

Assystem is seeking a Principal EC&I Engineer to lead and innovate in our engineering projects. As a key member of our team, you will play a pivotal role in designing and implementing electrical, control, and instrumentation solutions that meet our clients' needs. This position offers the opportunity to work on cutting-edge projects within a dynamic and collaborative environment.

Apr 2, 2026
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Vertical Aerospace logo
Full-time|On-site|Bristol Office

Join Us in Transforming Electric AviationAt Vertical Aerospace, we are at the forefront of revolutionizing electric aviation. Our flagship eVTOL aircraft, the Valo, promises to establish unprecedented safety benchmarks in the sky, all while achieving 'zero emissions'.We are not bound by the conventional methods of the past; instead, we aim to redefine aerospace standards. As we evolve from a prototype-focused business to a growing small and medium-sized enterprise (SME), we are entering a pivotal phase in our journey to fulfill our ambitious objectives. Our goal is to secure airliner-level safety certification by 2028, paving the way for service with our airline and operator partners.What Awaits YouAs a Principal Systems Engineer specializing in System Safety, you will thrive in a dynamic, collaborative environment where safety is paramount. Working within the Powertrain Squad, you will closely collaborate with specialists in propulsion, flight controls, power distribution, and airworthiness, alongside external suppliers. This innovative atmosphere fosters the reimagining of traditional aerospace practices to tackle the unique challenges posed by electric aviation.You will be part of a team committed to transparency, data-driven decision-making, and simplifying design principles, ensuring that our safety cases are thorough yet straightforward. Anticipate engaging in cross-functional dialogues, influencing architectural decisions, and contributing to the evolution of safety practices for eVTOL systems.Your ResponsibilitiesDevelop and enhance EPU requirements to encompass all safety-derived functions and assumptions from aircraft-level FHA, PASA, and PRA, ensuring full completeness and traceability.Critically assess EPU PSSA and SSA for alignment with aircraft-level analyses, ensuring consistency across internal and supplier safety assessments.Serve as the technical authority for identifying and rectifying inconsistencies in safety cases, directly engaging with internal experts and EPU suppliers to negotiate effective solutions.Lead design reviews focusing on safety-derived functions, ensuring proper implementation, design conformity, and proactive risk management.Conduct cross-functional trade studies to streamline architecture and safety arguments, thereby minimizing complexity while maximizing safety efficacy.

Feb 23, 2026
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AECOM logo
Full-time|On-site|Bristol

AECOM is seeking a Principal Structural Engineer specialized in water projects to join our dynamic team in Bristol. As a key member of our engineering group, you will lead the design and analysis of structural elements for water infrastructure, ensuring that projects are delivered on time and within budget while adhering to all regulatory standards.

Jan 14, 2026

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