Job Description

About Aries

Aries is a rapidly-scaling, next-generation software group purpose-built to scale founder-led, mission-critical SaaS companies at the heart of the $50B+ cloud ecosystem. We unify niche B2B SaaS businesses under Aries' AI and Growth Platform - unlocking visibility, velocity, and value across our portfolio. With a permanent capital base and ~$200M invested annually, we're building a new model for software scale focused on long-term value.

The Role: Executive Assistant & Office Manager

We're looking for an exceptionally organised, proactive, and high-energy

Executive Assistant & Office Manager

to support our CEO, founding team, and fast-growing London HQ.


This role blends classic EA support with light-touch

office management

-- perfect for someone who thrives in fast-paced environments, cares deeply about details, and wants to operate at the heart of a high-growth company.


You'll be the right hand to the exec team and the operational backbone of our London office -- supporting scheduling, meetings, logistics, team coordination, and keeping our space running smoothly.

What You'll Do

Executive Support:

Calendar & Scheduling:

Manage complex calendars for the CEO and founding team, balancing internal and external priorities

Meeting Coordination:

Prepare agendas, take notes, and ensure follow-ups happen across leadership meetings

Internal Alignment:

Help coordinate priorities, track OKRs, and keep the team moving in sync

Stakeholder Engagement:

Assist with investor communications, external meeting prep, and occasional deck support

Travel & Offsites:

Plan travel and coordinate logistics for company offsites and executive events

Office Management:

Office Operations:

Ensure the smooth day-to-day running of our London office (supplies, equipment, vendors, etc.)

Culture & Events:

Organise team lunches, socials, and onboarding kits to help foster connection and momentum

Space Management:

Liaise with the building, make the office a productive and inspiring space

Vendor Coordination:

Manage relationships with external service providers (cleaning, security, IT support, etc.)

General Admin:

Support ad hoc requests and keep operational documentation up-to-date

Who You Are:

3+ years experience supporting C-level executives in a

high-growth or startup environment

Prior experience managing a small office or team space is a plus Incredibly organised, detail-oriented, and resourceful - you anticipate problems before they happen Strong communicator, both written and verbal, and comfortable working with high-level stakeholders Reliable, trustworthy, and discreet when handling sensitive or confidential information Tech-savvy, fast learner, and excited to build systems and processes from scratch Energised by startups, fast-paced work, and ambitious teams - you bring positivity and calm under pressure

Why This Role?

Operate at the core of a

high-performing, high-growth company

Make an outsized impact by supporting the people and processes that drive our business Build and shape an office and operational culture you'll be proud of Work directly with world-class operators, engineers, and investors Grow with a company that's scaling rapidly, sustainably, and globally

Let's Build

If you're a natural operator who brings energy, structure, and reliability - and loves enabling others to do their best work - we'd love to meet you.


Apply now or reach out for a conversation.