Team Assistant

MediaSense; Greater London; On-site; GBP 30,000 - 40,000; Full time

Job summary

A global marketing advisory based in Greater London is seeking a motivated Team Assistant to enhance office operations and support the HR team. You will be the welcoming face of the office, managing front-of-house duties while facilitating recruitment and onboarding activities. The role requires strong organizational skills, excellent communication, and IT proficiency. This is a fully office-based position with opportunities for employee engagement and a vibrant work environment offering various benefits.

Benefits

28 days holiday per year

Hybrid working

Company bonus scheme

Private Healthcare

Cycle to work scheme

Qualifications

• Experience in office support, administration, or HR coordination.
• Strong organizational skills with the ability to juggle multiple priorities.
• Excellent communication and interpersonal skills.

Responsibilities

• Be the first point of contact for visitors to the office.
• Support recruitment administration and onboarding processes.
• Manage office environment and enhance employee experience.

Skills

Office support experience

Strong organizational skills

Excellent communication skills

IT proficiency (MS Office/Google Workspace/Teams)

Customer-service mindset

Job description

Careers

Team搜索 Assistant

14 January 2026 | London, UK

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Theათა Opportunity

An exciting opportunity has become available to be part of our fast-growing team and to be a key part of the HR function. This role provides an outstanding opportunity to join a growing global integrated marketing advisory and will provide an ambitious individual with valuable experience for progression and development.

The Company

mediasense is a global, independent advisor that brings the clarity, connection and confidence modern marketers need to fuel growth. We help marketers eliminate waste and maximize the impact of their most significant investments at scale. Our ambition is to define and own an entirely new category – recognized as the world’s most trusted, independent and impactful marketing advisor. We do this by elevating how clients operate, how agencies deliver, how platforms perform, and how all parts of the ecosystem connect. Because progress doesn’t happen in isolation, it takes alignment, intelligence, and trust. That’s what we enable. That’s what we stand for. That’s Unified Marketing Intelligence.

mediasense is designed around how we help marketers optimize and transform through best-in-class structure and governance (Organization), partners and platforms (Ecosystem), governance and controls (Assurance), and measurement and effectiveness (Science). We have the proven ability to effectively support large, complex organizations and deliver multiple projects simultaneously. As evidenced through our strong track record with clients, we pride ourselves on the consistent high quality of service delivery and the ability to accelerate transformation and growth.

mediasense and has over 200 employees across London, New York, Singapore and New Delhi. For more informationociónvisit www.media-sense.com

The Role

This role is for a Team Assistant, based in London. This role will report into the HR Manager.

You will provide a professional, welcoming presence for visitors and staff, while ensuring the smooth day-to-day running of the office. Alongside this, you will play a key role in supporting the HR team with recruitment, onboarding, and employee engagement activities.

This is a varied, people-focused role where you will become the “go-to” person in the office, helping colleagues, supporting HR initiatives, and ensuring an excellent experience for everyone who comes through our doors.

The role itself will involve a range of activities including:

• Be the first point of contact for anyone visiting the London office, welcoming, professional
• Interested in making the office experience a unique and fun environment
• All front of house duties, make sure meeting rooms are well presented, the office has snacks and treats galore ready for any occasion
• Manage all deliveries and other office requestsHs quickly ensuring excellent client service
• Proactively look for ways to enhance the office environment and the experience for everyone who comes to the office.

HR Team Support

• Support recruitment administration (scheduling interviews, coordinating candidate communications, preparing documentation).
• Assist with onboarding and induction programmes for new joiners,
• Be the go-to person for employee engagement activities.
• Oversee Environmental, Social & Governance (ESG) activities across all office locations, helping to coordinate local sustainabilityивает and wellbeing.
• Coordinate Long Service Awards (LSA) across all office locations, ensuring employees are recognized and celebrated for their service milestones.
• Support employees, gifting programmes, ensuring consistency, timeliness, and a positive employee experience.
• Oversee Deskbird for office attendance and desk bookings; liaise with building management (Fora) and suppliers for facilities and maintenance.
• Arrange travel for staff (excluding ELT).
• Reconcile monthly office expenditure (credit card and petty cash).

The Candidate

We are looking for a motivated and people-focused individual who thrives in a front-facing role and enjoys being part of an HR team.

The ideal candidate will have the following:

• Experience in office support, administration, or HR coordination.
Strong organizational skills with the ability to juggle multiple priorities.
• Excellent communication and interpersonal skills; confident dealing with people at all levels.
• IT proficiency (MS Office/Google Workspace/Teams); experience with expenses reconciliation desirable.
• Familiarity with HR processes (recruitment, onboarding, projects) is desirable.
സ്വന്തജ beyond heritage? friendly, confident, approachable, bubbly, and professional.
• Enjoys being the “go-to” person and thrives in a front-facing role.
• A collaborative team player with a strong customer-service mindset.
• Proactive, adaptable, and solutions focused.
• Fully office-based (5 days per week) to provide consistent support

What We Offer

• Hybrid working
• 28 days holiday per year, up to a maximum of 32 days
• Work from any location in the world up to 4 weeks per year
• 10 days Annual Leave Purchase per year
• Day off for your birthday
• Company bonus scheme
• Pension
• Private Healthcare
• Employee Assistance programme
• Group Life insurance
• Annual season ticket loan
• Cycle to work scheme
• Eye test & contribution towards glasses for VDU
• Employee Referral Bonus
• New Business Bonus