Payroll Manager (12 Months FTC)

Kaluza; Greater London; On-site; GBP 50,000 - 60,000; Full time

Benefits offered by this job

Pension Scheme

Discretionary Bonus Scheme

Private Medical Insurance + Virtual GP

Life Assurance

26 days holiday

Progressive Leave Policy

Personal Learning Budget

Home Office Budget

Job summary

Kaluza seeks a Payroll Manager for a 12-month FTC based in London. You will run end-to-end monthly payroll using WorkDay, ensure PAYE/NI processing and HMRC RTI submissions, and manage starters and leavers while maintaining compliance across UK and international payroll obligations.

You will work closely with Finance and HR to analyse payroll data, produce management reports, and drive process improvements in a fast-paced, diverse team environment.

Qualifications

• Experience with end-to-end monthly payroll using WorkDay.
• Knowledge of UK payroll, PAYE, NI and pension compliance.
• Experience with global payroll and external providers.

Responsibilities

• Manage end-to-end monthly payroll operations using WorkDay.
• Ensure PAYE/NI processing and HMRC RTI submissions.
• Handle starters, leavers and payroll amendments.
• Prepare payroll reports and variance analysis.
• Liaise with Finance and HR on payroll queries.
• Ensure compliance with pension and benefits administration.

Skills

WorkDay payroll

Global payroll

UK payroll

Attention to detail

Ownership mindset

Education

CIPP or equivalent payroll qualification

AAT

CIMA

Tools

WorkDay

Job description

Job title: Payroll Manager (12 months FTC)

Location: London

Salary: £50,000 - £60,000

Reporting To: Financial Controller

This role is based in the UK and requires an existing right to work in the UK. At this time, we are not able to offer visa sponsorship for this role. We are committed to building a diverse, global team and our sponsorship policy is evaluated on a role-by-role basis. We encourage you to keep an eye on our careers site to stay informed about future opportunities where we are able to offer visa sponsorship.

Kaluza is the Energy Intelligence Platform, turning energy complexity into seamless coordination. We help energy companies overcome today's challenges while accelerating the shift to a clean, electrified future. Leveraging Data, AI, and real-time decision-making we turn energy complexity into growth opportunities for our partners.

By combining predictive algorithms with human-centred design, Kaluza makes clean energy dependable and affordable.

With teams across Europe, North America, Asia and Australia, and a joint venture with Mitsubishi Corporation in Japan, we power leading companies including OVO, AGL and ENGIE, as well as innovators like Volvo and Volkswagen.

What will I be doing?

• Payroll Administration & Processing: Managing end-to-end monthly payroll operations using WorkDay, including data entry, processing, reconciliation, and month-end/year-end close procedures
• Tax & Statutory Compliance: Timely and accurate PAYE/NI processing, HMRC RTI submission, NMW/NLW compliance checks, and engagement with HMRC on payroll-related matters
• Personnel Management: Managing starters and leavers from a payroll perspective, including administration of enhanced leave arrangements
• Statutory Deductions: Responsible for distribution of court order remittances and processing all incoming HMRC notifications
• Ad Hoc Payments: Collating and processing ad hoc payments including overtime, bonuses, and other variable pay
• Payroll Variations: Ensuring payroll variations remain up to date to include additions, deductions, and any variable pay issues that arise
• Benefits & Pension: Assisting with monthly pension administration and workplace benefits processes
• Reporting & Analysis: Generating payroll reports, variance analysis, and management information
• Stakeholder Support: Responding to payroll queries within agreed SLAs and working closely with Finance and HR teams
• Regulatory Liaison: Primary contact with HMRC and other statutory bodies for payroll-related actions
• Continuous Improvement: Improving and updating payroll processes, identifying efficiencies, and managing ad hoc payroll projects
• Payroll Tax Compliance: Supporting year-end payroll tax reporting including PSA coordination, P11D benefits-in-kind, and liaising with the tax manager and external advisers on international payroll tax obligations across UK, Australia, France, Japan Portugal and US entities

About You

Ideally you’ll have:

• CIPP (Chartered Institute of Personnel and Development Payroll) or equivalent payroll qualification (AAT, CIMA) – highly desirable
• The ability to work in a fast paced environment with high attention to detail and take full ownership of their work.
• Demonstrated proficiency with WorkDay payroll module (essential)
• Experience with global payroll and tax jurisdictions including managing external international payroll providers and advisors
• Strong experience with full end-to-end monthly payroll processes including processing leavers and new starters.
• Solid knowledge of UK payroll administration, PAYE, National Insurance, and pension compliance
• Experience with month-end and year-end payroll closures including reconciling payroll ledgers and managing payroll adjustments

What Will Set You Apart

• Experience managing international payroll in any of the following regions:
  • France (including French social contributions, CSG, CRDS)
  • Japan (Japanese payroll, tax residency rules, social insurance)
  • Australia (PAYG withholding, superannuation, tax file numbers)
• WorkDay certification or accreditation

Where you'll work

We offer flexible working, with an expectation of 3 days a week in the office. This gives us the best of both: real time together to collaborate and build relationships, with the flexibility to work in the way that suits you best the rest of the week.

Kaluza Values

Here at Kaluza we have five core values that guide us as a business:

Play to win, Solve the real problem, Build trust every day, Own the outcome, Go further together.

Our Perks

• Pension Scheme
• Discretionary Bonus Scheme
• Private Medical Insurance + Virtual GP
• Life Assurance
• Access to Furthr - a Climate Action app
• Free Mortgage Advice and Eye Tests
• Perks at Work - access to thousands of retail discounts
• 5% Flex Fund - to spend on the benefits you want most
• 26 days holiday
• Progressive Leave Policy - With no qualifying service periods, including 26 weeks full pay if you have a new addition to your family
• Personal Learning Budget - Upskill, learn and grow!
• Home Office Budget

We want the best people

We're keen to meet people from all walks of life - our view is that the more inclusive we are, the better our work will be. We want to build teams which represent a variety of experiences, perspectives and skills, and we recognise talent on the basis of merit and potential.

Find out more about working in Kaluza on our careers page and LinkedIn.

You can also find our Applicant Data Protection Policy here.