Payroll Administrator (Part Time)

SmartRecruiters, Inc.; Bolton; Hybrid; GBP 24,000 - 32,000; Part time

Benefits offered by this job

Hybrid working

Exposure to payroll/benefits processes

Job summary

Assystem is seeking a Payroll Administrator to ensure accurate, timely payroll processing for over 1,000 employees. You will work closely with the Payroll & Benefits Manager to support benefits administration, process improvements, and a compliant payroll function.

The role is part time (25 hours/week) with 2 days in the office, offering a flexible hybrid working environment within the People team. You will handle data from multiple sources, respond to payroll queries, and contribute to reward

Qualifications

• Experience processing payroll for UK employees.
• Strong attention to detail and organisational skills.
• Advanced Excel skills and ability to verify data from multiple sources.

Responsibilities

• Support monthly payroll processing for 1,000+ employees including starters and leavers.
• Administer statutory payments, pensions and employee benefits per UK law.
• Collate payroll data from multiple systems, verify accuracy and consistency.
• Validate payroll data, perform checks, support reconciliations and reporting.
• Maintain GDPR-compliant records and company policies.
• Respond to payroll queries and collaborate with internal teams and providers.
• Contribute to annual reward processes and payroll process improvements.

Skills

UK payroll

Excel proficient

Data verification

Cross-system data

Learning new systems

Customer-focused

Discreet handling

Education

CIPP qualification preferred

Tools

Payroll/HR systems

Job description

Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategic infrastructure projects, subject to high safety and security requirements.

Assystem mobilizes 8,000 experts in 13 countries and intervenes across the entire project lifecycle, in engineering, project management and digital solutions.

Job Description

The Role

As a Payroll Administrator, you will play a key role in ensuring the accurate and timely processing of payroll for over 1,000 employees. Working closely with the Payroll & Benefits Manager, you will contribute to a reliable and customer-focused payroll function, while supporting benefits administration and ongoing process improvements.

The role is offered on a part time basis of 25 hours per week, to be worked over 5 days, with 2 days per week in the office.

Key Responsibilities

• Support the accurate and timely processing of monthly payroll, including starters, leavers and contractual changes
• Administer statutory payments, pensions and employee benefits in line with UK legislation
• Source, collate and verify payroll data from multiple systems and sources, ensuring information is accurate, complete and consistent
• Validate payroll data, carry out thoroughchecks, and support reconciliations and reporting, investigating discrepancies and escalating issues where needed
• Maintain accurate records and ensure compliance with GDPR and company policies
• Respond to payroll queries and collaborate with internal teams and external providers
• Contribute to annual reward processes and continuous improvement of payroll practices

Qualifications

• Previous payroll experience with a solid understanding of UK payroll legislation
• Strong attention to detail, accuracy, and organisational skills, with a methodical approach to checking your own work before submission
• Advanced Excel skills are essential, alongside proven experience using payroll/HR and other internal systems
• Ability to work confidently across multiple platforms, collating and cross-checking data from different sources
• Ability to learn new systems and processes quickly
• Effective communicator with a customer-focused approach
• Discreet, proactive, and committed to continuous improvement

(A CIPP qualification or willingness to study towards one is advantageous.)

Additional Information

• Be part of a purpose-driven organisation supporting the energy transition
• Work within a collaborative and supportive People team
• Gain exposure to payroll, benefits, and reward processes
• Opportunity to contribute to process improvements and team development
• Flexible, hybrid working environment

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people's ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.