Senior Administrator

Cosine Group; Stokenchurch; On-site; GBP 23,000 - 28,000; Full time

Job summary

Cosine Group is seeking a highly organised Senior Administrator to join the Hyphen team in the United Kingdom. You’ll support day-to-day operations, coordinate activities across stakeholders, and ensure projects, suppliers and workforce administration are delivered efficiently.

In a fast-paced environment you’ll manage onboarding, travel bookings and documentation, while identifying process improvements and maintaining strong relationships with colleagues and suppliers.

Qualifications

• Proven organisational and administrative abilities.
• Strong attention to detail and accuracy.
• Experience coordinating multiple priorities and deadlines.
• Excellent written and verbal communication.
• Experience with supplier management and onboarding.

Responsibilities

• Supporting supplier onboarding, compliance and payment processes.
• Coordinating workforce administration, onboarding and payroll communications.
• Managing travel, accommodation and vehicle bookings.
• Maintaining accurate records, trackers, systems and operational documentation.
• Acting as a key point of contact for internal operational queries.
• Supporting event logistics and client-related operational requirements when needed.
• Identifying opportunities to improve processes and ways of working.
• Building strong relationships with colleagues, suppliers and stakeholders to ensure tasks are delivered on time and to a high standard.

Skills

Organisational skills

Attention to detail

Stakeholder management

MS Office proficiency

Operations experience

Tools

SharePoint

Excel

Outlook

Word

PowerPoint

Job description

We\'re looking for a highly organised and proactive Senior Administrator to join the Hyphen team.

This is an exciting opportunity for someone who enjoys variety, thrives in a fast-paced environment, and takes pride in keeping things running smoothly behind the scenes. You\'ll play a key role in supporting day-to-day operations, coordinating activities across multiple stakeholders, and ensuring projects, suppliers, workforce administration and business processes are delivered efficiently and accurately. Salary up to £27.5k + great benefits

No two days are the same. One day you could be coordinating supplier onboarding and resolving payment queries, the next supporting workforce administration, arranging travel logistics, or helping improve operational processes across the business.

What You\'ll Be Doing

• Supporting supplier onboarding, compliance and payment processes.
• Coordinating workforce administration, onboarding and payroll communications.
• Managing travel, accommodation and vehicle bookings.
• Maintaining accurate records, trackers, systems and operational documentation.
• Acting as a key point of contact for internal operational queries.
• Supporting event logistics and client-related operational requirements when needed.
• Identifying opportunities to improve processes and ways of working.
• Building strong relationships with colleagues, suppliers and stakeholders to ensure tasks are delivered on time and to a high standard.

What We\'re Looking For

• Excellent organisational and administrative skills.
• Strong attention to detail and accuracy.
• Ability to manage multiple priorities and deadlines.
• Strong written and verbal communication skills.
• A proactive and solutions-focused mindset.
• Confidence working independently and collaboratively.
• Strong stakeholder management and follow-up skills.
• Experience maintaining records, trackers and documentation.
• Good working knowledge of Microsoft Office, particularly Excel, Outlook, Word and PowerPoint.
• Comfortable working in a fast-paced environment with changing priorities.
• Experience in an operations, administration, coordination or project support role.
• Experience supporting events, experiential marketing or field operations.
• Knowledge of supplier management and finance administration.
• Experience using SharePoint and operational systems.
• Experience within an agency, events, logistics or client services environment.
• Knowledge of workforce onboarding or compliance processes.

Why Join Us?

This role offers the opportunity to become a key part of a collaborative and supportive team where your contribution has a real impact. You\'ll gain exposure to a broad range of operational activities, develop valuable business skills, and be encouraged to take ownership, contribute ideas and help shape how we work.

Diversity & Inclusion

We are committed to building an inclusive workplace where everyone feels valued, respected and empowered to succeed. We welcome applications from people of all backgrounds and experiences.

Ready to take the next step in your operations career? We\'d love to hear from you.