Senior Payroll Officer - Part-time

Wärtsilä Corporation; Fareham; Hybrid; GBP 30,000 - 42,000; Part time

Job summary

Wärtsilä Corporation in Fareham, UK is seeking a detail-driven Senior Payroll Officer on a part-time basis (22.5 hours per week, 3 days) with hybrid working options. Reporting to Head of People Services, you will own end-to-end payroll across the employee lifecycle, ensuring accuracy, compliance and a positive employee experience.

You will manage HMRC compliance, payroll systems, benefits and year-end reporting, while driving improvements and coordinating with external providers in a multi-site

Qualifications

• CIPP qualification or equivalent required.
• Proven experience running end-to-end payroll in large multi-site environments.
• Strong knowledge of UK payroll legislation and HMRC submissions.
• Excellent numerical and reconciliation skills are essential.
• Proactive in identifying process improvements and delivering on deadlines.
• Experience with ADP payroll systems is an advantage.

Responsibilities

• Deliver a high-quality, accurate end-to-end payroll service across the full employee lifecycle.
• Ensure compliance with HMRC regulations including PAYE and National Insurance.
• Oversee payroll systems maintenance and data integrity.
• Manage payroll-related benefits and pension administration.
• Act as a key contact for payroll queries from employees and managers.
• Lead monthly and year-end reporting with high-quality outputs.
• Manage contracts with external payroll providers.
• Drive payroll project delivery for new payrolls and business changes.
• Coordinate payroll audit activities and ensure documentation and compliance.
• Identify and implement process improvements for accuracy and efficiency.
• Support ad hoc activities aligned to evolving business needs.

Skills

CIPP qualification

End-to-end payroll

UK payroll regulations

HMRC submissions

Numerical skills

Interpersonal skills

Deadline management

English language

Tools

ADP payroll systems

Job description

Wärtsilä is an innovativetechnology company known forbeing a forerunner in the Marine and Energy markets. Every day, we – Wärtsilians - put our hearts and minds into turning Wärtsilä's purpose of enabling sustainable societies through innovation in technology and services into reality.Our ultimate aim is to provide increased value to bothour customers and society. New, game-changing ideas and continuous improvement have been part of our DNA since 1834. Together, we can create new business opportunities and more sustainable future that we can all be proud of.

We want to transition the world towards a decarbonisedand sustainable future.By pushing the boundaries of engineering and technology, we can make it work. We are always on the lookout for future-oriented talent – want to join the ride?

We’re looking for a detail-driven and experienced Senior Payroll Officer to join our team, playing a critical role in delivering a seamless and compliant payroll experience for our employees.

Reporting into our Head of People Services, you’ll take ownership of an end-to-end payroll service across the employee lifecycle ensuring accuracy, efficiency, and a positive employee experience at every stage.

This position is offered on a permanent basison part time hours (22.5 hours per week/ 3 days per week) and based out of our office in Fareham, UK, where hybrid working can be supported.

What you'll be doing:

• Deliver a high-quality, accurate, and timely end-to-end payroll service across the full employee lifecycle ensuring deadlines are achieved.
• Ensure compliance with HMRC regulations, including PAYE, National Insurance, statutory payment and updating internal stakeholders on legislation changes.
• Take ownership of payroll systems, overseeing maintenance and ensuring robust data integrity and quality.
• Manage and optimise payroll-related benefits, including salary sacrifice schemes, deductions and ensuring effective pension administration.
• Act as a key point of contact for payroll queries, providing clear, timely guidance to employees and managers.
• Take ownership of monthly and year-end reporting, delivering precise, high-quality outputs you can stand behind.
• Manage contract with external payroll provider.
• Drive payroll project delivery, including establishing new payrolls and supporting business changes such as acquisitions, mergers, and divestments.
• Support and coordinate payroll audit activities, ensuring robust documentation, accuracy, and compliance with audit requirements.
• Identify and implement process improvements to enhance accuracy and operational efficiency.
• Demonstrate flexibility by supporting ad hoc activities and additional responsibilities aligned to evolving business needs.

What you will have:

• A CIPP qualification or equivalent.
• Proven experience in running end-to-end payroll, ideally within large payroll, multi-site environment.
• Experience in processing timesheets/variable hours, statutory payments, HMRC submissions and deductions.
• Strong working knowledge of UK payroll legislation, HMRC requirements and compliance.
• Excellent numerical and reconciliation skills.
• Excellent interpersonal skills and an ability to promote strong working relationships across a variety of stakeholders.
• Ability to effectively prioritise and work to strict deadlines.
• Proactive approach to identifying challenges and bringing process improvement initiatives forward.
• Experience with our ADP payroll systems would be an advantage.
• Proficiency in the English language, written and verbal.

Why you and us

As part of the UK HR team, you will be supported by a professional and collaborative group. We value authenticity and proactiveness. While we take our work seriously, we also bring humour into our daily routines. You’ll be part of a lively, energetic team that makes things happen.

We strongly believe that by being your true self, you can achieve so much more. Join our truly international team and you will be empowered, supported, and valued at Wärtsilä. Together, we are passionate about making a difference in society. Working as one global team in a caring and honest atmosphere, we continuously improve ourselves and the way we work.

At Wärtsilä we value, respect and embrace all our differences, and are committed to diversity, inclusion and equal employment opportunities; everyone can be their true self and succeed based on their job-relevant merits and abilities.

Please note that according to Wärtsilä policy, voluntary consent for a security check may be required from candidates being considered for this position, depending on the applicable country.

Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. Our team of 18,300 professionals, in more than 230 locations in 77 countries, shape the decarbonisation transformation of our industries across the globe. Read more onwww.wartsila.com .