Office Manager in Hounslow

Company Overview

CORE POWER was founded in 2018 to solve the world's energy challenges by delivering ship-based power directly to the industries and economies driving global prosperity, overcoming the barriers that have held nuclear energy back. CORE POWER builds, integrates and deploys ship-based nuclear energy systems. We build and support two classes of vessel: moored ship-shaped power plants that generate high-density energy, and nuclear-powered commercial ships that will speed up global trade. Headquartered in Chiswick, London, with offices in Washington, D.C. and Japan, CORE POWER operates at the intersection of advanced nuclear, maritime, energy security and industrial policy.

Role Summary

The Office Manager is responsible for overseeing all aspects of office operations, maintaining an organized, efficient, and welcoming work environment to ensure the smooth day-to-day running of the office. The role takes ownership of the office including facilities, supplier and vendor management, travel coordination, office events, and general office administration, while providing day-to-day administrative support to employees and the Leadership team as required.

Key Responsibilities

• Office Operations & Workplace Management: Oversee the day-to-day running of the office, ensuring a clean, safe, organized and professional working environment. Manage office facilities, liaising with building management and external suppliers for maintenance, repairs, cleaning, office services and workplace improvements. Manage office supplies, kitchen consumables, stationery, branded merchandise and other workplace essentials. Maintain office access, including access cards, office keys, visitor registrations and parking allocations. Coordinate incoming deliveries, courier services and general office logistics. Communicate office and building updates, including maintenance works, fire drills and access notices. Continuously identify opportunities to improve office processes and enhance the workplace experience.
• Administrative & Business Support: Provide administrative support across the business, including purchasing requests, printing, document preparation and general office administration. Coordinate calendars, meeting room bookings and meeting logistics, including catering and visitor access. Provide diary management support to the CEO and the Leadership team as required. Coordinate domestic and international business travel, including flights, accommodation, transport, itineraries and travel logistics. Organize office events, Lunch & Learn sessions, conferences and company events, liaising with venues and suppliers. Welcome visitors and external stakeholders, ensuring a professional and positive experience from arrival through to departure. Support onboarding activities by coordinating office access, workspaces and other workplace requirements for new joiners.

Educational Requirements

Suitable qualification/certificate in office management or business administration.

Work Experience

Relevant professional experience in office management, administration, workplace management, or executive support will be considered. Proven ability to manage multiple priorities, work independently, and build effective relationships across all levels of the business. Experience supporting diary management for senior stakeholders.

Technical Competencies

Excellent organisational and time management skills with strong attention to detail. Proactive, hands‑on approach with the ability to take ownership and use initiative. Strong verbal and written communication skills. Proficient in Microsoft Office (Outlook, Word, Excel, PowerPoint) and experience using collaboration and purchasing tools (e.g. Monday.com) is desirable. Ability to maintain confidentiality and handle sensitive information with discretion.

Behaviour

Positive ‘can do’ attitude. Adaptable, motivated, and well organized. Ability to work effectively with cross‑functional teams. Ability to adapt to evolving priorities in a fast paced start-up culture.

Benefits

Competitive salary. Performance-based bonuses. Health and wellness benefits. Pension plan. Professional development opportunities. A highly committed, dynamic, and challenging environment.

If you are interested in joining CORE POWER, please submit your CV and a cover letter by the 10th of July, outlining your experience and motivation to join our team!