Payroll Senior Specialist

At Boston Consulting Group, you will join a collaborative, global environment focused on solving complex challenges and supporting organizational growth through deep functional expertise and cross-team partnership.

What You'll Do

Payroll

• Process the end-to-end monthly Dutch payroll workflow, coordinating with external payroll provider(s) and internal stakeholders.
• Handle starter and leaver processes (including global transfers), contract changes and master data maintenance.
• Process salary increases, promotions, back pay, corrections and final settlements.
• Administer statutory and company leave processes impacting payroll (e.g., sickness reporting, parental leave, unpaid leave).
• Process bonuses and variable payments through payroll; ensure correct taxation and social insurance treatment.
• Handle recurring allowances and expenses with payroll impact (e.g., commuting, home working, taxable reimbursements) in line with policy.
• Review and support validating net salary payment files before release; ensure segregation of duties and documented approvals.
• Review 30% ruling (expat ruling) process in payroll, and partner with our external provider in the application.
• Advise employees and stakeholders on payroll, wage tax (loonheffingen), social insurance and pension-related queries.
• Reconcile payroll outputs with HR system data monthly to ensure data integrity (e.g., bank details, personal data updates, benefit deductions).
• Support hub payroll processing by providing cover, peer review and cross-country payroll support during peak periods and absences.
• Support year-end activities (e.g., annual wage statements/jaaropgave, reporting reconciliations, and local statutory filings as applicable).

Benefits

• Process payroll-related benefits and taxable benefits in kind reporting (e.g., company cars, allowances, other taxable benefits as applicable).
• Coordinate pension contribution payments and liaise with pension advisor(s)/provider(s) for payroll-related inputs and controls. Experience with UPA is a plus.
• Support annual employer reporting and periodic payments related to benefits/insurances (as applicable to local arrangements).
• Support and guide benefits team with benefits reconciliation to ensure data accuracy in payroll.

Mobility

• Work closely with Mobility and Tax teams on transfers and secondments impacting Dutch payroll, wage tax and social security.
• Coordinate with external tax advisors to provide payroll data needed for mobility-supported tax filings and year-end reporting.
• Support payroll implementation of mobility-related items (e.g., shadow payroll inputs, taxable benefits, tax equalization/gross-ups where applicable).
• Support compliance activities linked to cross-border staffing where payroll inputs are required (e.g., A1 documentation inputs, required notifications).

Other responsibilities (but not limited to)

• Be an active discussion and thought partner with the Benefits, HR and Mobility teams to continuously improve payroll-related processes and employee experience.
• Work with external advisors (payroll, tax, pensions) on processes, payments and data collation, ensuring clear documentation and controls.
• Provide support during internal and external audits (payroll, tax and accounting) and respond to information requests accurately and timely.
• Continuously seek process improvements, automation opportunities and best-practice sharing across the hub.
• Provide cover for other team members during absences and support ad hoc projects as required.
• Ensure ongoing compliance with Finance minimum standards and local regulatory requirements within scope.

Additional scope

• Support as Dutch payroll subject matter expert (SME) for the hub and support escalation handling, complex case resolution and stakeholder guidance.
• Drive and suggest payroll process improvements and controls enhancements; document procedures and cross-train team members.
• Support testing, implementation and optimization of payroll/HRIS changes (e.g., new earnings/deductions, reporting, system upgrades).

You are good at

• Working independently and managing core processes end-to-end.
• Working collaboratively and effectively with different stakeholders in a professional manner.
• Attention to detail; accurate and thorough output.
• Managing strict deadlines; strong organizational skills with the ability to plan and manage multiple activities in parallel.
• Being proactive and applying sound judgement to complex or new problems by using broad payroll knowledge and escalation pathways.
• Maintaining a high degree of integrity and discretion; managing queries and conflicts as they arise.
• Clear, confident communication and the ability to influence others effectively.
• Supporting continuous improvement and automation mindset.
• Handling sensitive information confidentially and in compliance with relevant policies and legislation.
• A can-do mindset—taking ownership and staying solution-oriented; proactively identifying issues, proposing pragmatic options, and following through to closure while keeping stakeholders informed.

What You'll Bring

• Strong experience in Dutch payroll regulations and practice (wage tax/loonheffingen, social insurance and pension concepts). PDL is required, VPS is a plus.
• Experience with monthly payroll processing in a structured, compliance-driven environment (professional services experience is desirable).
• Experience owning multiple tasks and processes with strict legislative deadlines and robust controls.
• Experience using (and thoughtfully incorporating) GenAI tools to streamline payroll processes.
• Strong technical aptitude and proficiency in MS Office (especially Excel) and payroll (ADP Celergo)/HR systems (WorkDay).
• Strong communication and stakeholder management skills; comfortable working with external providers and advisors.
• Fluent written and spoken English. Dutch language proficiency is strongly preferred.
• Experience working in a busy team environment; willingness to support multiple countries within a regional hub.
• Experience supporting the setup and maintenance of integrations between payroll, HR, benefits and accounting tools.

Who You'll Work With

• A supportive and knowledgeable Payroll Team based in Amsterdam, Brussels, and London.
• Internal stakeholders within both consulting teams and business support teams from local, system and global levels, including Finance colleagues and wider global teams, and Benefits and HR teams including functional teams across specialty businesses.
• External stakeholders including 3rd party suppliers such as payroll, pensions and tax advisors, and external auditors.