HR and Payroll Administrator

Mondi plc; Birmingham (AL); On-site; USD 48,000 - 64,000; Full time

Job summary

Mondi plc is hiring an HR Admin & Payroll Specialist to deliver end-to-end payroll, HR administration and recruitment support in Birmingham, Alabama. You will ensure employee data, payments and records are accurate, approved and auditable.

Key responsibilities include processing weekly and monthly payrolls, handling pensions and statutory deductions, managing recruitment lifecycle from vacancy to onboarding, and maintaining confidential employee information across core HR systems such as

Qualifications

• Experience in end-to-end payroll, HR admin and recruitment support.
• Proficient with payroll controls, data accuracy and confidential records.
• Familiarity with OneAdvanced, Flexipay, SAP SuccessFactors or similar HR systems.

Responsibilities

• Process weekly and monthly payrolls accurately and on time.
• Administer payroll elements, pensions, statutory payments and deductions.
• Coordinate recruitment from adverts through onboarding and pre-employment checks.
• Maintain employee records and manage pre-employment checks and onboarding.
• Support HR administration and respond to employee queries with audit-ready records.

Skills

Payroll processing

HR administration

Time & attendance

Data accuracy

Policy compliance

Discretion/confidentiality

Education

CIPD qualification

Tools

OneAdvanced

Flexipay

SAP SuccessFactors

TMS

Job description

Role Summary

To deliver accurate end-to-end payroll, HR administration and recruitment support,ensuring employee data, payments and employment records are complete, authorised and auditable.

Your Mission

• Process weekly and monthly payrolls accurately and on time, following agreed timetables, cut-off dates and approval controls.
• Collect, validate and process authorised pay elements and employee changes,including salary, hours, overtime, shift premiums, allowances, starters, leavers, back pay and final payments.
• Process PAYE, National Insurance, pensions, student loans, attachment orders, Direct Earnings Attachments, SSP, company sick pay, SMP and other statutory payments or deductions.
• Reconcile OneAdvanced Time and Attendance information to payroll; investigate missing clockings, unapproved hours, incorrect rates, duplicate payments and material pay variances before submission.
• Prepare payroll previews, control reports and gross-to-net reconciliations for HR Manager and Finance approval; no unsupported manual or retrospective adjustment may be processed.
• Complete payroll submissions, issue payslips, respond to employee queries and maintain clear records of corrections, overpayments and outstanding actions.
• Administer pension enrolment and contribution changes, upload pension files and reconcile employee and employer contributions to payroll.
• Produce payroll, headcount, overtime, absence, pension and deduction reports and reconcile payroll information to HR, Finance and pension records.
• Support payroll year-end, the new tax year, P60s, statutory reporting, internal and external audits, and maintain current payroll procedures and audit evidence.
• Administer the full employee lifecycle, including offers, contracts, right-to-work and pre-employment checks, onboarding, probation, employee changes, absence, family leave and leavers.
• Prepare accurate HR correspondence and ensure salary, job title, manager, department, cost centre, shift, hours and personal-information changes are supported and effective from the correct date.
• Administer holidays, sickness, fit notes and family leave, ensuring relevant information is approved, recorded and provided to payroll before cut-off.
• Maintain complete electronic employee files in accordance with confidentiality, access, naming, filing and retention requirements.
• Create, amend and close employee records across OneAdvanced HR, OneAdvanced Time and Attendance, TMS, Flexipay, SAP SuccessFactors and other approved systems.
• Complete regular system audits, correct authorised discrepancies and raise support tickets for interface, access or data-transfer issues.
• Ensure every employee or payroll amendment has an approval trail and is updated consistently across all affected systems.
• Coordinate approved recruitment from advertising and application management through interview, selection, offer, pre-employment checks and onboarding.
• Prepare vacancy adverts, interview documentation, candidate communications and offers only after the vacancy, salary and terms have been authorised.
• Maintain recruitment trackers and coordinate contracts, references, inductions, IT equipment, system access and internal announcements.
• Act as the HR administration contact for agencies on the Preferred Supplier List and maintain accurate records of leased personnel, assignments, rates, transfer dates and end dates.
• Check agency hours and invoice information against approved time records, resolve discrepancies and report on agency headcount, cost and transfer opportunities.
• Escalate unapproved headcount, rate changes, supplier changes or assignmentextensions; the postholder may not agree new commercial terms independently.
• Support policy and procedure updates and, where suitably experienced, assist with investigations, disciplinary, grievance, capability and absence cases through letters, notes, case files and action tracking.
• Maintain strict confidentiality and individually assigned system access; do notprocess unsupported changes, and elevate complex employee relations, payroll, fraud, data protection or statutory matters to the HR Manager.

Your Profile

• Minimum of 2 years’ experience working in an HR and payroll role.
• Demonstrable end-to-end payroll experience, including weekly and monthly payrolls, variable pay, overtime, pensions, statutory payments and deductions.
• Working knowledge of PAYE, National Insurance, statutory pay, pension auto[1]enrolment, payroll controls and record keeping.
• Experience supporting the full employee lifecycle and maintaining accurate HR and payroll records.
• Experience using HR, payroll and time and attendance systems.
• Strong Excel, numerical and analytical skills, with the ability to reconcile reports andidentify payroll or data anomalies.
• Manage fixed payroll deadlines and competing HR and recruitment priorities without compromising accuracy.
• Professional communication skills and confidence to challenge incomplete, late or unsupported information.
• Proven discretion when handling confidential payroll, personal and employee relations information.
• Experience coordinating recruitment, onboarding and agency or leased personnel administration.
• Experience with OneAdvanced, Flexipay, TMS and SAP SuccessFactors would be beneficial.
• Experience supporting policy work, investigations, disciplinary and grievance processes.
• A recognised payroll, HR or CIPD qualification.

We strive to create a culture that inspires our people to reach their full potential. Going the extra mile – for colleagues and customers – our people drive our passion for performance and are the key ingredient of Mondi’s success. Be part of our future.

Do you want to know more about Mondi? We are a global leader in packaging and paper, contributing to a better world through innovative solutions that are sustainable by design. Our global team of 24,000 people works across 100 production sites in more than 30 countries.

Our strength lies in our diversity. We are dedicated to creating a team that reflects the diversity of the world we operate in. We encourage applications from traditionally underrepresented groups, including women, visible minorities, LGBTQI+ individuals, and people with disabilities.

Even if you don't meet all the listed qualifications, we still want to hear from you. We believe in your potential and are committed to supporting you as you grow and learn at Mondi. If you need any accommodations during the recruitment process, please reach out to the contact person listed above.