Executive Assistant

Millennium; Greater London; On-site; GBP 38,000 - 60,000; Full time

Job summary

Millennium is seeking a highly organized Executive Assistant to support senior leaders, including C-Suite, in a fast-paced financial services environment.

The role requires 5+ years of experience providing high-level administrative support, exceptional calendar management, and meticulous travel coordination across time zones. You will handle confidential information with discretion and professionalism, delivering reliable, detail-oriented service every day.

Qualifications

• 5+ years of experience providing executive or senior-level administrative support.
• Experience in financial services or a similar high-performance, deadline-driven environment preferred.
• Excellent organizational, time-management, prioritization and multitasking skills.
• Strong written, verbal, and interpersonal communication skills.
• High level of professionalism, discretion and confidentiality; proficient in MS Office.

Responsibilities

• Provide day-to-day administrative support to senior professionals.
• Manage complex calendars and coordinate meetings across multiple time zones.
• Coordinate domestic and international travel, including itineraries, logistics and expenses.
• Complete ad hoc projects and administrative tasks accurately within required timeframes.

Skills

Executive support

Calendar management

Travel coordination

Discretion

Communication

Tools

Microsoft Office

Outlook

Job description

Millennium is a global, diversified alternative investment firm, founded in 1989. Defined by evolution, innovation and focus, Millennium’s mission is to deliver results for our investors.

About Millennium

Millennium is a global, diversified alternative investment firm, founded in 1989. Defined by evolution, innovation and focus, Millennium’s mission is to deliver results for our investors.

Our people are empowered with both independence and support: the autonomy to pursue ideas with conviction and the backing of a global network committed to collaboration, disciplined risk management and continuous learning. With opportunities to deepen expertise and accelerate development, talent at Millennium is equipped to adapt, evolve and build lasting impact over time. Discover how transformative growth accelerates impact.

Meet the Team

We are seeking a highly organised, proactive and detail-oriented Executive Assistant to support a group of senior leaders, including C-Suite. This role is ideal for a polished professional with 5+ years of experience supporting senior executives, preferably within financial services. The successful candidate will be a strong multitasker, exercise sound judgment, and operate with a high degree of discretion and professionalism. This is a 5 days in office role.

What You’ll Do

• Provide day-to-day administrative support to senior professionals.
• Manage complex calendars and coordinate meetings across multiple time zones.
• Coordinate domestic and international travel, including itineraries, logistics, and expense processing.
• Complete ad hoc projects and administrative tasks accurately and within required timeframes.

What You Bring

• 5+ years of experience as an Executive Assistant, Team Assistant, or in a comparable administrative role supporting multiple senior professionals.
• Prior experience in financial services or another high-performance, deadline-driven environment preferred.
• Excellent organizational, time-management, prioritization, and multitasking skills.
• Strong written, verbal, and interpersonal communication skills, with the ability to build effective relationships across teams.
• High level of professionalism, discretion, and commitment to confidentiality.Proficiency in Microsoft Office, particularly Outlook.
• Ability to remain calm under pressure, adapt quickly to changing priorities, and maintain strong attention to detail.
• A positive, solutions-oriented, resourceful, and dependable approach, with a hands-on, no-task-too-small mindset.