HR Team Administrator Full Time NEW

Job Location: Milton Hill

Posting Start Date: 28/04/2026

Job Description:

Who We Are

Infineum is a world-class specialty chemicals company dedicated to groundbreaking specialty chemicals through innovative research. Our purpose is to create a sustainable future through innovative chemistry and we are proud of our global footprint and commitment to safety.

Why Work for Us

Infineum offers competitive pay, work flexibility, and comprehensive wellbeing initiatives. Our inclusive and collaborative culture ensures every team member is valued and empowered, fostering growth and development. Join Infineum for a rewarding career where innovation and support are at the forefront.

Position Summary:

The Team Administrator plays a key role in supporting core HR activities across both the UK and Global HR Teams. This position offers excellent opportunity for individuals who are beginning or developing their career in HR, to build a broad range of skills and practical experience. We welcome applicants from all backgrounds and encourage you to apply even if you don’t meet every requirement. The successful candidate will support, directly and indirectly, around 450 UK colleagues at all levels and across a variety of different teams. 

Key elements of the role include (but not limited to):

• Providing support during the recruitment process, including posting job adverts internally and externally, managing the recruitment mailbox, tracking applications, scheduling interviews and position management within our HRIS.
• Onboarding and being the first point of contact for all new starters.
• Owning and managing the UK HR Inbox, being the initial contact for UK colleagues on HR matters, responding to queries or directing them where appropriate.
• Preparing letters to colleagues including offer letters, contract change letters, probation letters and visa application letters.
• Management of vendors and invoices, including raising purchase requisitions, submitting invoices, reviewing Purchase Orders, stewarding payment to completion and resolving queries from vendors.
• Maintain the UK HR and associated internal information pages, updating information when required and making recommendations on content and design.
• Responsible for record retention management and GDPR compliance, including archiving.
• Support on sickness and holiday record maintenance.
• Coordinating offboarding processes for leavers.
• Maintaining accurate details for private medical insurance enrolments
• Administering the Company Car Scheme and the EV scheme.
• Stewarding the review and continuous improvement of policies and procedures, identifying opportunities to streamline, enhance, and automate key processes.

What will you gain from this role?

• A good understanding of HR global and local processes and policies.
• Exposure to a variety of HR areas providing a foundation for further professional development.
• Opportunity to work with people from around the world and at all levels of the organisation as well as with a great team of HR colleagues.
• The opportunity to learn and grow. We believe there is no better way to learn than by doing, so from day one you will have the opportunity to make a real difference.
• The opportunity to make a difference, share your ideas and influence HR processes for the future.
• Opportunities to support the HR team on projects and operational matters to build an understanding of business issues, legislative changes and industry best practice.
• Build a stimulating, long-term career with an inclusive company that values everyone as an individual.

Skills and qualifications:

We are looking for an organised, approachable and proactive individual who enjoys supporting others and delivering a high‑quality administrative service within a people‑focused environment.

You will be well suited to this role if you have:

• An understanding of the employee lifecycle and HR processes, for example from studies or prior experience working in an HR department.
• Proven administrative skills, with strong attention to detail and right first time mentality
• The ability to prioritise and multi-task in a busy and change-oriented working environment, with excellent organisation and time management skills
• Ability to respond and support colleagues on varied enquiries with an awareness and appropriate handling of confidential matters.
• A positive and collaborative approach with great communication skills, as well as a drive to learn
• Computer literacy and full competence in using Microsoft Outlook, Excel, Word, and PowerPoint. Experience with SharePoint, Success Factors and SAP would be desirable.

This role is ideal for someone at an early stage in their HR career, or an experienced administrator looking to move into HR, who is keen to develop their skills within a supportive and inclusive HR team.

Benefits

• Competitive salary
• Flexible start times to help balance work and life
• Annual performance-based bonus with a target of 5% base salary (non-contractual)
• Generous pension scheme with up to 10% employer contribution
• 25 days holiday plus bank holidays, with the option to buy a week more
• Private medical insurance, with family cover available
• Enhanced parental leave including 13 weeks full pay for maternity/adoption and 4 weeks full pay for paternity
• Wellbeing perks, including Headspace subscription, Employee Assistance Program, and voluntary health checks
• Fitness & wellness subsidy of £20 per month and access to MyActive discounts portal
• Life assurance worth three times your annual salary
• Onsite restaurant with discounted meals
• Secure On-site Parking