Assistant Restaurant Manager MA/NA Location: 30 Upper Grosvenor Street, Mayfair About MA/NA Opening in early 2026 on Upper Grosvenor Street, MA/NA is born from the Japanese philosophy that every ingredient carries an invisible power a life-force shaped by nature and the hands that honour it. Mana is the spiritual energy that exists beneath the surface of all things. It is felt rather than seen transforming emotion into experience, and a meal into memory. Guided by this belief, MA/NA offers a seamless blend of restaurant and bar refined Japanese dishes alongside an exceptional cocktail, wine, and sake list. Here, cocktails flow effortlessly into dinner, and dinner naturally returns to drinks. Every element from design and service to sound and light is intentional. Each detail celebrates the extraordinary within the simple. The Role Assistant Restaurant Manager As Assistant Restaurant Manager at MA/NA, you will support the Restaurant Manager in leading the front-of-house team and delivering an experience defined by harmony, precision, and warmth. You will play a key role in the daily rhythm of service, ensuring that every guest journey from arrival to farewell flows effortlessly. Working closely with the kitchen, bar, and sommelier teams, youll help cultivate a sense of unity and purpose across all aspects of the restaurant. You will lead by example on the floor, demonstrating grace, emotional intelligence, and attention to detail supporting the team to perform with calm confidence and genuine hospitality. This is a role for a hospitality professional who understands that exceptional service is not only seen, but felt and who is eager to grow within a flagship opening. Key Responsibilities Support the Restaurant Manager in leading the front-of-house team to deliver seamless, intuitive, and emotionally engaging service

Take an active role in floor management and daily operations from pre-service to close

Assist in coordinating service across restaurant, bar, and reservations to ensure smooth guest flow

Work closely with the Executive Chef, Head Sommelier, and Bar Manager to maintain cohesion between food, beverage, and service

Support recruitment, training, and ongoing development of the front-of-house team

Help manage reservations, guest communication, and special requests with care and precision

Monitor service standards, guest feedback, and operational performance

Uphold the highest standards of presentation, cleanliness, and professionalism throughout the restaurant

Step into leadership responsibility in the absence of the Restaurant Manager

Represent MA/NA with professionalism at events, tastings, and industry engagements when required

What Were Looking For Experience as an Assistant Restaurant Manager, Senior Supervisor, or similar role in a fine dining or high-end hospitality environment

Strong understanding of guest experience, service standards, and floor operations

Confident leadership presence with excellent communication skills

Passion for Japanese culture, cuisine, and craftsmanship

Highly organised, detail-oriented, and composed under pressure

Warm, intuitive interpersonal skills and a natural sense of hospitality

A collaborative mindset and eagerness to learn and grow

Excitement to be part of one of Londons most anticipated new openings

What We Offer Competitive salary and service charge package

Opportunity to be part of a flagship opening within the Thesleff Group

Close collaboration with world-class chefs, sommeliers, and bar professionals

Ongoing training, mentorship, and clear career progression

Staff meals, wellness initiatives, and a supportive, creative working environment

Join the MA/NA Opening Team If you are guided by balance, intention, and genuine hospitality and want to grow within a team where emotion meets precision wed love to hear from you.

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