Chief of Staff InternAbout DiametralDiametral is built on core conviction: AI is not another technology wave. It is a structural shift in how companies operate, compete, and create value.Our mission is to help organizations become AI-native. We redesign critical business processes, embed intelligence at the core of operations, and build systems where humans and AI work together at scale. The result is tangible: faster execution, stronger performance, sustainable growth, and durable competitive advantage.We are not a traditional consulting firm, nor a conventional technology services company. Diametral exists to solve a challenge these models were not designed for: the end-to-end transformation of enterprises for the AI era.Our approach combines strategy, data, technology, operating model, design, analytics, and long-term execution. We partner with some of the world's most ambitious organizations to move from experimentation to enterprise-wide AI adoption.Founded from the success of LittleBigCode, established in 2018, Diametral was created in 2026 with a clear ambition: become the global reference for AI-native business transformation.Today, we operate across Europe and the Americas, supporting multinational organizations with a scalable delivery model focused on measurable business outcomes, ROI, and operational excellence.Joining Diametral means joining a company at a defining moment: global ambition, entrepreneurial energy, and the opportunity to shape how organizations will operate for decades to come.You will be a great fit at Diametral if you:Are energized by building something ambitious from the ground upBelieve AI will become the new operating layer of modern organizationsSeek impact, ownership, and continuous growthEnjoy working in international, multicultural environmentsWant to help shape the future of work, not simply adapt to itDiametral is built on ambition, excellence, and execution. We value ownership, clarity, intellectual honesty, and long-term impact.ContextWe are a pure-play Data & AI consulting firm operating at the intersection of strategy, technology, and execution, with one clear ambition.Design, build, and scale concrete AI systems delivering measurable business impact.As Diametral continues to grow, the complexity of the organization grows as well: new offerings, new business units, new geographies, new strategic initiatives. The CEO is involved in all critical decisions across growth, operations, talent, organization, offerings, and expansion.To continue scaling effectively, we are looking for a Chief of Staff Intern who will work directly alongside the CEO to help structure priorities, drive execution, and accelerate decision-making.This is a high-exposure, high-responsibility role, designed for someone who wants to understand how a fast-growing company is built and operated from the inside. You will have direct visibility on strategic discussions, executive decisions, operational challenges, and company-building initiatives.What you will doAs Chief of Staff Intern, you act as a force multiplier for the CEO. Your role is simple: increase the organization's ability to execute. You will contribute to some of the most important projects within the company and help transform strategic decisions into measurable outcomes.Strategic projects and CEO officeSupport the CEO in preparing strategic decisions and executive discussionsConduct research, analyses, and business investigations on critical topicsPrepare executive briefings, decision memos, and strategic recommendationsHelp structure priorities, roadmaps, and action plansParticipate in leadership meetings and strategic reviewsCompany building and operational excellenceContribute to the design and improvement of Diametral's operating modelHelp structure internal processes, governance mechanisms, and management ritualsIdentify inefficiencies and propose practical improvementsSupport cross-functional initiatives involving multiple teams and stakeholdersParticipate in scaling the company while preserving execution qualityBusiness performance and analyticsTrack key business indicators and operational performance metricsSupport the creation of dashboards and management reportingAnalyze trends, opportunities, and risks across the organizationHelp connect strategic initiatives to measurable business outcomesProvide fact-based insights to support executive decisionsStrategic initiatives and special projectsContribute to high-priority projects directly sponsored by the CEOSupport initiatives related to growth, international expansion, organizational design, AI strategy, and new offeringsCoordinate stakeholders and monitor execution progressIdentify blockers and help drive resolutionEnsure projects move from ideas to implementationWhat you will bringOutstanding intellectual curiosityStrong analytical and problem-solving abilitiesExcellent written and verbal communication skillsAbility to structure complex topics clearly and conciselyStrong ownership and execution mindsetHigh level of autonomy and reliabilityAbility to learn quickly in unfamiliar environmentsComfort working with ambiguity and evolving prioritiesStrong attention to detail combined with a broad business perspectivePreferred backgroundTop-tier engineering school, business school, or universityPrevious experience in consulting, startups, venture capital, strategy, operations, or technology environments is a plusStrong interest in AI, technology, business building, and entrepreneurshipLanguagesProfessional fluency in French is required for this role.Who you areYou want exposure. You want responsibility. You want to understand how strategic decisions are made. You want to learn how organizations scale. You enjoy solving difficult problems and taking ownership. You care more about impact than titles. You thrive when you are challenged and held to high standards.Why join DiametralJoining Diametral means joining a company in active construction mode. You will work directly with the CEO and gain exposure that most graduates receive years into their careers.You will have:Direct access to executive decision-makingExposure to strategy, operations, growth, talent, and organizational topicsA steep learning curve and accelerated developmentSignificant autonomy and responsibilityThe opportunity to contribute to the construction of a leading AI-native consulting firmA unique view of how high-growth organizations are built and scaledWho you will work withCEOManaging DirectorsExecutive Leadership TeamPractice LeadersBusiness LeadersData & AI expertsAdditional informationDiametral is committed to building high-performing, collaborative, and ambitious teams. We are looking for builders.