Global Payroll & Benefits Manager

Job Title: Global Payroll & Benefits Manager

Location: Hybrid

About Radiant

Radiant is redefining how AI infrastructure is built.

We design and operate AI-native cloud platforms engineered for sovereignty, performance, and scale. Our infrastructure powers GPU-native workloads, multi-tenant control planes, and high-performance AI systems designed for the most demanding environments.

We are not building a generic cloud. We are building purpose-built AI infrastructure - from powered land, to compute, to software .

As we scale our platform and expand our engineering organisation, we are looking for leaders who can build strong teams, uphold high standards, and deliver reliably at pace.

01Job Summary

Radiant is growing quickly across multiple countries, and we need a payroll and benefits specialist to make sure every employee is paid accurately, on time and in line with local law.

As Global Payroll & Benefits Manager, you will own end-to-end payroll delivery for our international entities and manage our employee benefits programmes. You will also lead the systems work that lets payroll scale with the business, with HiBob at the centre.

You will sit within the People team and work closely with local HR, Finance and external payroll providers.

02Payroll delivery and compliance

• Take ownership of end-to-end payroll delivery for assigned international entities.

• Manage, audit and execute multi-country payroll, covering payroll inputs, validation, approvals, funding coordination, reconciliations, statutory filings and post-payroll activities, with high accuracy and strict adherence to regional pay schedules.

• Lead the payroll calendar and operating cadence across countries, proactively managing dependencies, cut-offs, exceptions and risks so that employees are paid accurately and on time.

• Apply a strong understanding of legislation, statutory requirements and payroll practice across multiple jurisdictions, keeping processes compliant and appropriately controlled.

• Act as the main point of contact for external payroll providers and Employer of Record partners, holding them to agreed service levels.

• Resolve employee payroll queries promptly and clearly, escalating complex cases where needed.

• Support internal and external audits, providing accurate documentation and evidence of controls.

03Benefits

• Administer employee benefits across all countries, including pension, health insurance, life assurance and other local schemes.

• Manage annual renewals and open enrolment, and oversee joiner, leaver and life-event changes.

• Partner with brokers and providers, benchmarking our offering against local market practice and supporting recommendations on benefits strategy.

• Ensure benefits deductions and taxable benefits flow accurately into payroll and meet local reporting requirements.

• Support the design and rollout of benefits in new countries as Radiant expands.

04Systems and scaling initiatives

• Act as functional lead for payroll technology projects, using HiBob to automate workflows, optimise system configuration and build custom reporting.

• Partner with local HR and Finance to ensure payroll inputs are complete, accurate and delivered within agreed timelines.

• Identify and deliver process improvements that reduce manual work, strengthen controls and support onboarding of new entities.

• Build and maintain clear payroll documentation, process maps and controls so the function can scale with the business.

05Qualifications

• Significant experience running multi-country payroll end to end, ideally across the UK, Europe and the US.

• Strong working knowledge of payroll legislation, tax and social security requirements across multiple jurisdictions.

• Hands-on experience administering employee benefits, including pensions and insured benefits.

• Experience managing outsourced payroll providers and Employer of Record partners.

• A track record of improving payroll processes and systems, with experience of HRIS and payroll platforms such as HiBob.

• Excellent attention to detail and a strong controls mindset, with advanced Excel or Google Sheets skills for reconciliations and reporting.

• Clear, confident communication with employees, Finance and senior stakeholders.

• Comfort working at pace in a fast-growing business, with the judgement to prioritise competing deadlines.

• Discretion and sound judgement when handling confidential employee data.

06Our values

• Set the standard: Every single day, you spot opportunities to constructively shake things up

• Inspire the change: There’s no blueprint for the future. You’ll embrace challenges and change

• You’re real and you’re true to yourself: We cherish and celebrate diversity so you’ll feel right at home whoever you are and whoever you’re talking to, you treat everyone the same.

07Why should you join us?

What sets us apart is our blend of modern technology, competitive benefits, and an open, welcoming work culture that enables our people to thrive.

Here are just some of the great things you can expect from us:

• 25 days of annual leave

• A culture that emphasises results over hierarchy, process & ego: we place great emphasis on the quality, ingenuity and creativity of work.

• Open communication, regular feedback: we value smooth collaboration, direct and actionable feedback, and believe that leading with empathy and a growth mindset makes us better together.

• Learning Time: we all have dedicated learning time to focus on new skills, projects or interests that lay outside of your day-to-day job.

• Health & Wellbeing: we want everyone to feel healthy and happy, so we offer private medical insurance via Bupa.

• Cycle to Work Scheme: we're committed to building a sustainable business, so we encourage cycling to work.

• Gympass subscription to a variety of gyms and wellbeing apps

• Participation in the company shares program

• Enhanced parental pay & leave

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