Executive Assistant to CEO Job at Harmonic Operations™

Executive Assistant to CEO

Harmonic Operations™ | Certified B Corp

Location:
United Kingdom , London

Category:
Office Administration

Contract Type:
Not provided

Salary:

50000.00 - 70000.00 GBP / Year

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Job Description:

Executive Assistant to CEO (Immediate Start) |Series B Consumer AI Scale-Up | Soho, Hybrid. This is not a traditional diary-management EA position. You will operate as a strategic partner to the CEO, ensuring their time, attention, and energy are deployed against the highest-impact priorities. The founder is externally visible, and deeply involved across investors, product, hiring, and international expansion. Your role will sit at the centre of this activity, bringing structure, clarity, and momentum to an environment that moves quickly and demands precision. The position is a highly flexible role based in Soho with some occasional international travel required.

Job Responsibility:

Orchestrate an evolving, high-volume schedule spanning investors, board members, media, and other key stakeholders
Apply judgement to prioritise engagements based on commercial and strategic value
Anticipate conflicts and resolve challenges before they escalate
Track key initiatives across fundraising, US expansion, partnerships, and senior hiring
Prepare briefing materials and synthesise information to ensure the CEO is fully prepared for critical meetings
Maintain visibility over deliverables and follow-ups, ensuring momentum is sustained across multiple workstreams
Serve as a trusted first point of contact for high-profile external stakeholders
Coordinate communication with investors, venture partners, founders, and senior operators across Europe and the US
Design and manage complex travel schedules across time zones, optimising for efficiency and productivity
Handle international logistics seamlessly, adapting quickly to changes and unforeseen developments
Introduce systems and workflow improvements that enhance executive effectiveness
Build scalable processes around executive communications and task management
Reduce friction and administrative load across the CEO's day-to-day environment
Handle sensitive information with absolute confidentiality
Represent the CEO and the company with maturity, composure, and professionalism at all times

Requirements:

5+ years' experience supporting a Founder, CEO, or C-suite executive in a high-growth, fast-paced environment
Experience within venture-backed tech, start-ups, or scaling businesses
Commercially aware, able to understand business context rather than simply manage logistics
Highly organised, calm under pressure, and able to operate autonomously
Strong written and verbal communication skills

Additional Information:

Job Posted:
February 19, 2026

Employment Type:

Fulltime

Work Type:

Hybrid work

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