Administrative Assistant – Madrid

Posted 5 Days Ago
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Madrid, Comunidad de Madrid, ESP
In-Office
Junior
Fintech • Software • Financial Services
The Role
Provides day-to-day administrative and office support for the Madrid team. Responsibilities include managing supplies, mail, couriers, meeting rooms, visitors, office access, documents, employee onboarding and departures, supplier relationships, and practical employee requests. The role also supports travel bookings, events, and senior management while coordinating with HR, IT, building management, and the London office.
Summary Generated by Built In

Role Purpose

The Administrative Assistant provides day-to-day administrative and office support to the Madrid team and helps ensure the smooth running of the office.

This is a hands-on role covering general administration, practical office needs and support to employees. The role is suited to someone organised, reliable and helpful, who is comfortable managing a variety of day-to-day tasks.


Key Responsibilities

Administration & Office Support

  • Provide general administrative support to Madrid-based staff as required
  • Help with meeting arrangements and travel bookings when required
  • Manage office supplies and general office requirements
  • Receive and distribute mail, deliveries and parcels
  • Coordinate couriers and outgoing shipments
  • Liaise with building management and local suppliers for cleaning, maintenance and other office services
  • Ensure meeting rooms and common areas are kept organised and ready for use
  • Welcome visitors and assist with office access when required
  • Support document preparation, filing and archiving
  • Provide ad hoc administrative support to Partners and senior management as required
  • Work closely with the London Executive Assistant & Office Manager to ensure consistency of office management practices and administrative processes.

Employee Support

  • Assist employees with day-to-day practical and office-related requests
  • Prepare workspaces and coordinate office access for new joiners
  • Assist with practical arrangements for leavers, including access removal and equipment collection
  • Liaise with HR, IT and local providers when required
  • Help with employee events and other office-based initiatives

Candidate Profile

Experience

  • 1–2 years’ experience in an administrative assistant, office assistant, secretary or similar support role
  • Previous experience in an office environment is preferred
  • Experience in financial services is not required

Skills & Competencies

  • Fluent in Spanish and English, written and spoken — mandatory
  • French is a plus
  • Organised and attentive to detail
  • Reliable, discreet and helpful
  • Proactive and comfortable handling a variety of practical tasks
  • Able to work independently
  • Good working knowledge of Microsoft Office 365 (Outlook, Teams, Excel and Word)

Education

  • Relevant administrative or business education is preferred but not essential.

Skills Required

  • 1-2 years of experience in an administrative assistant, office assistant, secretary, or similar support role
  • Fluent Spanish and English, written and spoken
  • Good working knowledge of Microsoft Office 365, Outlook, Teams, Excel, and Word
  • Previous experience in an office environment
  • French language skills
  • Relevant administrative or business education
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The Company
HQ: London
206 Employees

What We Do

Market Securities is one of the largest independent financial intermediaries in the world, providing institutional investors and experienced trading teams with superior market access, research, price discovery, and liquidity across asset classes. With desks specializing in equities, fixed income, FX, structured products, and derivatives, we connect investment banks, hedge funds, proprietary trading firms, and asset managers to the markets they need, with precision, speed, and a broker-first mindset. Our teams operate from eight key financial centers across Europe, North America, and Asia: London, New York, Paris, Madrid, Monaco, Dubai, Hong Kong, and Geneva. We also provide access to the Group’s Organised Trading Facilities in the EU and the UK. Founded by seasoned professionals, Market Securities is built on discretion, integrity, and independence, offering cross-asset solutions tailored to the needs of institutional clients.

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