Job Title: HR Specialist - Payroll
Job Location: Milton Hill
Posting Start Date: 30/09/2025
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
You will be part of the UK HR operations team, working for a market leading global business. In this role, you'll take ownership of the UK monthly payroll process for approximately 450 colleagues, ensuring accuracy, compliance, and a seamless colleague experience. Beyond payroll, you'll contribute to benefits administration, HR policy guidance, and support both UK and global HR initiatives. This is a dynamic opportunity to grow your expertise in a collaborative, fast-paced environment.
What you will be doing:
* Oversee and input monthly payroll, ensuring completeness and accuracy. Investigate and resolve discrepancies in payroll records.
* Act as focal point for colleague payroll and benefit queries.
* Provide advice to leaders and colleagues on HR policies/processes/procedures.
* Regular reporting to ensure accuracy, timely submissions and correct coding of costs, working with our Finance department and HRIS team as needed
* Identify continuous improvements in payroll processes including but not limited to partnering with local and global HR to explore opportunities for automation of payroll/integration with SuccessFactors
* Consider ways to further digitalise HR processes and improve employee experience
* Administer and coordinate family leave policies (maternity, paternity, shared parental leave), ensuring compliance and support for colleagues.
* Maintain accurate and up to date colleague information in our HR systems (Success Factors, Opentext).
* Liaise with HMRC on any relevant matters and complete required documentation on behalf of the company such as P11Ds and the PSA.
* Manage a number of employee benefits, including Give As You Earn (GAYE), Electric Vehicle Car Scheme, Private Medical Insurance, and Cycle to Work, ensuring smooth administration, employee engagement, and compliance with relevant policies.
* Support global HR initiatives by contributing to projects, offering operational expertise and support.
* Provide local support during the annual compensation cycle, ensuring data accuracy and timely payroll integration.
The above areas are likely to be periodically reviewed and are subject to change to support your development and wider exposure to a range of HR processes.
What you will gain:
* You'll build deep knowledge in UK payroll processes, benefits administration, and HR systems, becoming a trusted expert in a critical operational area of the business.
* This role offers the chance to take full responsibility for key processes, giving you autonomy to manage, improve, and innovate within your remit while being supported by a collaborative team.
* Working within a global organisation, you'll engage with colleagues across different countries and cultures, gaining insight into international HR practices and broadening your professional perspective.
* You'll have the opportunity to shape and enhance HR processes, contribute to digital transformation initiatives, and influence how payroll and benefits are delivered across the UK business.
* This role provides a strong foundation for a fulfilling career, specialising in payroll and also broadening into generalist HR and global HR operations.
A successful candidate is likely to have:
* Qualifications: Degree in HR, Accounting/Finance, or CIPD Level 5+
* Payroll Expertise: Solid understanding of UK payroll regulations; experience with ADP, European or global payroll is a plus
* Skills & Tools: Advanced Excel (XLOOKUP, Pivot Tables, Macros), strong attention to detail, excellent written and verbal communication
* Work Style: Highly organised, able to prioritise and multitask in a dynamic environment
* Mindset: Proactive, solutions-focused, eager to challenge and improve processes; collaborative with a strong drive to learn
What we offer:
* 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 and develop the next generation of fuel and lubricant additives that will power transportation of the future.
* Exposure across several key global groups and the opportunity to work with people from around the world, gaining an understanding of a commercial business as a whole
* Build a stimulating, long-term career with an inclusive company that values everyone as an individual.
* Competitive salary, medical and retirement benefits
* Community outreach activities & social clubs – Wellbeing, Inclusiveness & Diversity, Environmental, Sports
* Onsite subsidized restaurant and secure onsite parking