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Posted 12 August, 2026

Senior User Researcher

CACI Limited
London, ENG, GB Full Time

Job Description

Location: London Hybrid: 2 days / week officeOverviewAt CACI, we believe that designing impactful services starts with understanding and listening to people. Were looking for a versatile User Researcher whos passionate about uncovering what users really need and translating those insights into real change.This role is for someone who thrives on curiosity and rigour: a researcher confident in planning and running studies, but also ready to take on strategic conversations with clients and shape the direction of projects. Whether youre supporting discovery work or validating new concepts, youll help ensure the services and products we design are grounded in evidence and insight while also being adaptable enough to contribute to generalist UX and design tasks when needed.Who are we and how do you fit in?CACI is a data and technology consultancy with a human edge. With over 1,200 people in the UK and part of a 22,000-strong global group, we help national and international clients use data and insight to transform how they work.Our Experience Design team sits within the wider Experience & Transformation practice. We bring together researchers, strategists, designers, and technologists to solve some of the most interesting problems out there from evolving digital journeys in financial services to improving essential public services used by millions.What youll be doingPlan, design and conduct user research using a variety of qualitative and quantitative methods (e.g. usability testing, depth interviews, diary studies, surveys)Choose the right research approach based on project goals, constraints and client contextAnalyse and synthesise findings into actionable insights and recommendationsHelp shape project direction, define user needs, and support delivery of impactful experiencesWork with stakeholders to align research with organisational and user goalsFacilitate workshops and playback sessions to share insights and generate ideasCollaborate closely with UX and service designers, developers and product ownersContribute to research standards and ways of working across the teamOwn and lead research workstreams on small-to-medium engagements; support seniors on more complex or strategic programmesWe think youll thrive here if youHave solid experience in a user research role within digital product or service developmentAre confident working independently on research plans and activitiesAre comfortable wearing multiple hats, including helping with wireframes, prototypes, or supporting design tasks depending on project needsCan clearly explain research findings to non-researchers including senior stakeholders Ability to bring stories to life is keyHave experience across the full research lifecycle: planning, recruitment, fieldwork, analysis and reportingAre comfortable working in agile, iterative environments and adjusting to shifting prioritiesUnderstand how to balance user needs with business and technical constraintsAre confident using research tools like Dovetail, Miro, Lookback, OptimalWorkshop and any relevant analytics platformsAre skilled in writing impactful, clear research reports and facilitating engaging insight sessionsIts a bonus if you alsoHave worked across both public and private sector settingsHave experience with inclusive and accessible research, for example conducting research with users with diverse needs, including disabilities, low digital confidence, or limited access to technologyBring additional skills in service design, content design, data analysis or behavioural scienceAre familiar with GDS standards or government service design principlesHave supported bids, proposals or new business conversationsEnjoy sharing your knowledge through mentoring, writing or speaking opportunitiesTPBN1_UKTJ