Executive Assistant to CEO — Creative Startup, NW London

Harmonic, Inc.; Hounslow; On-site; GBP 55,000 - 60,000; Full time

Job summary

Harmonic, Inc. is seeking an Executive Assistant to support the Founder & CEO in North West London. You will manage the CEO’s diary, inbox, personal life, and travel, ensuring time is protected for high-value activities.

The role involves close collaboration with the Founder's Associate and offers hands-on ownership with potential strategic expansion as trust grows. Ideal candidates have 5–10 years of experience supporting senior executives, preferably within a startup or scale-up.

Qualifications

• Significant experience supporting a Founder, CEO or senior executive as an Executive Assistant, ideally 5 to 10 years.
• Experience working within a startup or scale-up environment, comfortable operating with less structure and a fast-changing, reactive workload.

Responsibilities

• Own and manage an exceptionally busy calendar across business and personal commitments, resolving conflicts before they arise and protecting time for strategic and creative work.
• Triage email and messages, draft correspondence and prioritise incoming requests so communication flows efficiently without unnecessary interruptions.
• Coordinate complex domestic and international travel, including multi-stop itineraries, flights, accommodation, transport and visas, with confidence handling last-minute changes.
• Manage a full range of personal support, from household appointments and reservations to personal admin, with absolute discretion on confidential matters.
• Partner closely with the Founder's Associate to coordinate diaries, priorities and logistics, sharing information proactively and anticipating challenges before they become problems.
• Prepare the CEO for meetings with the right information at the right time, tracking and actioning follow-ups.
• Take ownership of processes across the executive office, using sound judgement to make decisions and improvements without waiting to be asked.
• Ad hoc tasks to support the CEO and other department heads.

Skills

Executive support

Diary management

Email management

Travel coordination

Discretion

Stakeholder management

Tools

Calendar software

Travel booking tools

Job description

Harmonic, Inc. is seeking an Executive Assistant to support the Founder & CEO in North West London. You will manage the CEO’s diary, inbox, personal life, and travel, ensuring time is protected for high-value activities.

The role involves close collaboration with the Founder's Associate and offers hands-on ownership with potential strategic expansion as trust grows. Ideal candidates have 5–10 years of experience supporting senior executives, preferably within a startup or scale-up.