Principal Data Scientist

Are you excited to apply advanced analytics and machine learning to real‑world aviation challenges? Would you like to shape best practices and mentor others while remaining hands‑on with high‑impact data science work? About the Business At Cirium, our goal is to keep the world connected. We are the industry leader in aviation analytics; helping our customers understand the past, present, and predicting what will happen tomorrow. Our mission is to transform the aviation industry by enabling airlines, airports, travel companies, tech giants, aircraft manufacturers, financial institutions, and many more accelerate their own digital transformation. About our Team Propulsion Labs is Cirium’s innovation group, focused on solving complex, highimpact problems in aviation analytics. We work in small, collaborative teams to explore ideas, test solutions, and scale products that deliver meaningful value to customers. Our environment supports autonomy, learning, and inclusive collaboration. About the Role As a Principal Data Scientist, you will be a senior individual contributor who brings deep technical expertise while shaping best practices across the data science community. You will work closely with partners across product, engineering, and the business to design and deliver data‑driven solutions. This role combines technical leadership, collaboration, and hands‑on development to solve complex, real‑world problems in aviation analytics. Responsibilities Act as a technical authority for advanced analytics, machine learning, and generative AI, defining and evolving best practices for scalable and robust solutions Provide thought leadership on emerging technologies and methodologies relevant to aviation analytics Mentor and coach data scientists, supporting continuous learning and technical excellence Collaborate with product managers, engineers, and domain experts to align data science initiatives with business goals Translate complex technical insights into clear, actionable recommendations for stakeholders Lead by example through hands‑on coding, modelling, and solution design Design, prototype, and validate innovative approaches to high‑impact problems Partner with engineering teams to deploy models into production environments Requirements Strong experience working with large, complex, real‑world datasets, ideally in aviation or related industries Expertise in data wrangling, feature engineering, and building scalable data pipelines Deep expertise in at least one advanced analytics area, with experience across several of the following: predictive modelling on tabular data, deep learning, NLP and large language models, generative AI pipelines, simulations, graph‑based models, time‑series forecasting, geospatial modelling, causal inference, reinforcement learning, optimisation, or anomaly detection Proven experience deploying, or partnering to deploy, customer‑facing machine learning systems into production Ability to collaborate across disciplines and communicate technical concepts to non‑technical audiences Risk benefit statement Learn more about the LexisNexis Risk team and how we work here We know your well-being and happiness are key to a long and successful career. We are delighted to offer country specific benefits. Click here to access benefits specific to your location. We are committed to providing a fair and accessible hiring process. If you have a disability or other need that requires accommodation or adjustment, please let us know by completing our Applicant Request Support Form or please contact 1-855-833-5120. Criminals may pose as recruiters asking for money or personal information. We never request money or banking details from job applicants. Learn more about spotting and avoiding scams here. Please read our Candidate Privacy Policy. We are an equal opportunity employer: qualified applicants are considered for and treated during employment without regard to race, color, creed, religion, sex, national origin, citizenship status, disability status, protected veteran status, age, marital status, sexual orientation, gender identity, genetic information, or any other characteristic protected by law. USA Job Seekers: EEO Know Your Rights. Cirium offers aviation and air travel data and analytics to help keep the world in motion. Our people are at the center of who we are and what we do. We put the interests of our customers unmistakably first, we are empowered by the trust we earn from each other and our customers, we share a common global vision for Cirium based diversity, inclusion and collaboration and our passion for discovery will transform industries. Our team delivers insight, built from decades of experience in the sector, enabling travel companies, aircraft manufacturers, airports, airlines and financial institutions, among others, to make logical and informed decisions which shape the future of travel, growing revenues and enhancing customer experiences. Cirium has 12 offices globally with over 480 employees and is part of RELX PLC, a global provider of information-based analytics and decision tools for professional and business customers with over 30,000 employees. CIRIUM.COM