Operational leadership for Tax Operations delivery Ensure stable, efficient and high‑quality execution of local Corporate Tax compliance (e.g., handling of local tax payments, management of local tax provisions, preparation of local tax returns, filing of local tax returns and handling of local corporate tax audits), local Indirect Tax compliance (e.g., preparation of indirect tax returns, filing of indirect tax returns, conduction of indirect tax reconciliations, support in handling indirect tax audits and performance of other local indirect tax reporting such as Intrastat and EC-Sales List), local compliance of Other Taxes (e.g., Withholding Tax), local Transfer Pricing Documentation and compliance, local Tax Reporting, local Tax Risk Management activities across all OS&S operations within the service scope Ensure consistent execution of Corporate Tax compliance, Indirect Tax compliance, compliance of Other Taxes (e.g., Withholding Tax), local Transfer Pricing Documentation and compliance, local Tax Reporting, local Task Risk Management activities across regions Translate process requirements, SLAs and KPIs into clear operational targets and team objectives Manage capacity, workload allocation and prioritization across the operational teams Oversee Tax service performance and manage escalations related to tax inquiries, audits, and compliance issues Implementation of process design and standards Ensure the implementation of the process design, procedures and controls defined by the Global Process Owner, Book-2-Close Service line process management in the operational line and Group Tax Ensure adherence to global standards, work instructions and control frameworks in day‑to‑day execution Drive adherence to compliance standards including local tax laws and international tax regulations, accounting standards (IFRS, GAAP), and internal and external audit requirements Performance, quality and continuous improvement Monitor operational KPIs, SLAs and control indicators; initiate corrective and preventive actions where required Provide structured feedback to process management on feasibility, pain points and improvement opportunities observed in operations Support the rollout of new or changed process designs, systems and tools into the operational line (e.g., support system upgrades, and other change management projects) working closely with the OS&S Transform layer and Group Tax Ensure monitoring of legal and regulatory developments (e.g., new tax laws and regulations and subsequent implementation) Participate in tax risk assessments and manage related provisions and documentation Team leadership and people development Lead and develop a team of Tax professionals within the Book-2-Close operational line Actively contribute to and foster Omya's culture and values among team members Ensure training and professional advancement opportunities for their team, e.g. certifications, knowledge enhancement programs Stakeholder management and communication Collaborate closely with the Global Head of Book-2-Close, Global Process Owner, Head of Process Management Book-2-Close, process management teams and especially Group Tax to ensure alignment between operational delivery and process strategy Engage with relevant adjacent key stakeholders across, e.g. Finance, Supply Chain, HR, Sales and other OS&S service lines to ensure coordinated service delivery Liaise with local tax authorities, auditors, and external consultants as required Communicate effectively with internal business units on tax implications and compliance requirements Education University degree Accounting, Finance, Taxation, Law, or related fields Advanced certifications in Tax (e.g., CPA, CTA, ACCA, or equivalent) are highly advantageous Experience Minimum 8–10 years of relevant working experience in an operational or function‑related position Significant experience in leading teams and managing complex, multi‑location operational environments Hands-on experience with tax compliance, local and international tax laws, tax audits, and regulatory reporting Knowledge and skills Strong track record in operational service delivery and performance management Deep knowledge of corporate tax, indirect taxes, transfer pricing, and tax risk management processes Proficiency in ERP and tax systems and reporting tools (e.g., OneStream) Strong analytical, problem‑solving and decision‑making capabilities Strong leadership, stakeholder management and communication skills across functions and geographies Up-to-date knowledge of global tax regulatory developments, BEPS and GloBE/Pillar 2 regulations, and accounting standards Other requirements Excellent command of both oral and written English Willingness to travel depending on organizational setup Ability to work in a multicultural environment with global teams POSITION SCOPE Reporting Line(s) Solid line(s) to: Global Head of Book-2-Close Dotted line(s) to: (Head of) Group Tax Number of direct reports: 2 Performance Measures Performance measures will be defined on team specific service obligations. Working Relationships Internal contacts Global Head of Book-2-Close Global Process Owner Book-2-Close Head of Process Management Book-2-Close Process management teams Book-2-Close (Head of) Group Tax (OAG) OS&S Transform layer External contacts Tax authorities globally External tax advisors and auditors Omya is a leading global producer of industrial minerals and a worldwide distributor of specialty materials. Our company was founded 140 years ago and remains a privately-owned, independent company headquartered in Switzerland but with offices and plants in more than 50 countries. When you join Omya, you become part of a global team that uses its creativity, expertise and experience to make a difference to people's lives. Thinking of Tomorrow means focusing on the challenges of the future and how we can develop mineral products to solve them. This is a collaborative environment where people work towards common goals, with a common purpose Our purpose, combined with our values of modesty, courtesy, integrity and perseverance, is the foundation of our business. Our values are relevant to our lives, not just our work. All Omya employees, partners and suppliers are bound by a Code of Conduct which reflects our values and guides our behavior.

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