Senior Sommelier – MA/NA Mayfair MA/NA Mayfair is seeking an exceptional Senior Sommelier to join the team at one of London’s most exciting Japanese dining destinations. Located on Upper Grosvenor Street in the heart of Mayfair, MA/NA is a refined Japanese restaurant and cocktail destination built around precision, atmosphere, and understated luxury. Every detail has been carefully considered. From the menu and design to the music, lighting, and service style creating a restaurant experience that feels both immersive and deeply personal. As Senior Sommelier, you will play a key role in delivering a world-class wine and sake programme within a highly ambitious and detail-driven environment. Working closely with senior leadership, you will guide guests through a highly curated beverage experience while helping to drive standards, training, and service excellence across the floor. This is a fantastic opportunity for an experienced sommelier looking to work within one of Mayfair’s most exciting restaurant concepts and be part of a business that genuinely values hospitality, craftsmanship, and career progression. Key Responsibilities • Deliver exceptional wine and sake service with confidence, personality, and precision • Support the development and execution of the wine and beverage programme • Build strong guest relationships and create memorable dining experiences • Work closely with the management team to maintain outstanding service standards • Train and mentor junior sommeliers and front-of-house team members • Ensure correct wine storage, stock control, and cellar organisation • Collaborate with chefs and management on pairing menus and guest experiences • Maintain strong product knowledge across wine, sake, spirits, and cocktails What We’re Looking For • Previous experience as a Senior Sommelier or Sommelier within a premium or luxury restaurant environment • Strong knowledge of wine and sake • WSET qualification or equivalent preferred • A polished and professional approach to service • Passionate about hospitality and guest experience • Strong communication and leadership skills • Calm under pressure in a fast-paced environment • A genuine desire to grow within an ambitious hospitality group What We Offer • Competitive salary package with generous tronc structure • Career progression within a growing international hospitality group • Training and development opportunities • Staff meals on duty • Employee discounts across the group • The opportunity to work within one of Mayfair’s most exciting restaurant environments At Thesleff Group, we are committed to creating a diverse and inclusive workplace where everyone feels valued and respected. We welcome applications from all backgrounds and celebrate the differences that make each individual unique. We believe diversity strengthens our teams, enhances creativity, and helps us deliver exceptional experiences to our guests.