Senior AI Engineer Tasks Design and validate end-to-end, enterprise-grade AI architectures (LLM orchestration, MLOps/AIOps pipelines, vector search, data platforms, observability, security)Integrate AI solutions into complex enterprise environments, ensuring scalability, reliability, compliance, and production readinessLead advanced AI engineering workstreams, including fine-tuning, optimization, and/or pre-training of open-source LLMsDefine and promote engineering best practices, reference architectures, and reusable accelerators to industrialize deliveryOversee technical delivery across multiple AI projects, mentor AI engineering teams, and manage execution topics (quality, timelines, risks, dependencies)Act as a senior client-facing advisor: requirements discovery, regulatory-to-technical translation (AI Act, Data Act, GDPR), and contribution to pre-sales (proposals, RFPs, pitches, use-case ideation)BenefitsCompetitive salary packageEnjoy the best of both worlds: a startup pace and autonomy, backed by Reply’s international group (stability, resources, and a full corporate benefits package)Collaborate closely with leadership, with direct access to decision makers and a fast, agile governance model that values autonomy and high-impact contributionsInfluence both strategy and delivery, shaping not only what we build for clients but also how we operate internallyThrive in Reply’s innovation-driven culture with competitive benefits, in an environment built for people who want to innovate, create, and contribute to a broader European missionQualificationsAt least 3 years overall IT experience, including at least 1 year in AI engineering or AI developmentMinimum Master’s degree in Computer Science or a related field (or equivalent)Strong ability to design AI & data architectures integrated into enterprise landscapes; hands-on LLM fine-tuning/adaptation/training and production deliveryConsulting background: requirements gathering, stakeholder management, and translating AI regulations into actionable technical requirementsExcellent French & English communication/presentation skills; experience leading technical teams, contributing to governance, and solid project-management capabilitiesNice to have + soft skills: Mistral AI, sovereign cloud (OVHcloud/Outscale), PMP/Prince2, regulated industries exposure; critical thinking, ownership, trust-building, and leadershipSAIL ReplySAIL Reply is the Reply Group company specialized in developing AI-driven solutions for the intelligent automation of content and business processes. As an official partner of Mistral, SAIL Reply leverages Mistral’s large language models to deliver advanced and customized AI solutions within modular, scalable, and secure architectures—both cloud-native and on-premises—ensuring full data control and sovereignty.These solutions support complex scenarios in strategic areas such as knowledge management, document asset management, and their integration into omnichannel workflows. https://www.reply.com/sail-reply/fr