Senior Manager, Tax

About NScale

Nscale is the GPU cloud engineered for AI. We provide cost-effective, high-performance infrastructure for AI start-ups and large enterprise customers. Nscale enables AI-focused companies to achieve superior results by reducing the complexity of AI development. Our GPU cloud bolsters technical capabilities and directly supports strategic business outcomes, including cost management, rapid innovation, and environmental responsibility.

We thrive on a culture of relentless innovation, ownership, and accountability, where every team member takes pride in their work and drives it with excellence and urgency. As an Nscaler, you’ll build trust through openness and transparency, where everyone is inspired to do their best work. If you join our team, you’ll be contributing to building the technology that powers the future.

NScale is seeking a strategic and hands-on Senior Manager, Employment Tax to lead and deliver employment and payroll tax activities across our growing international footprint. Reporting to the Director Indirect Tax, this role plays a key part in supporting our global workforce strategy by ensuring employment tax risks are identified, managed, and embedded into business and People decisions. You will work closely with Payroll, People (HR), Finance, and Legal teams to support international expansion, global mobility, and equity-based compensation, while ensuring compliance across multiple jurisdictions.

This role is well suited to an experienced employment tax professional who thrives in fast-paced, high-growth environments, enjoys solving complex cross-border workforce challenges, and can translate technical employment tax requirements into practical, scalable solutions. Beyond managing compliance, you will help strengthen the employment tax framework that supports NScale’s international hiring models, remote working strategy, and employee incentive programs.

What You’ll Be Doing (Responsibilities)

• Act as a key subject matter expert on employment tax, providing guidance on cross-border employment, global mobility, remote working, and international hiring models.
• Partner closely with Payroll and People teams to ensure employment tax considerations are embedded into payroll operations, compensation structures, and workforce planning.
• Assess and advise on employment tax implications of global mobility arrangements, including short- and long-term assignments, remote working, business travel, and permanent establishment risk.
• Support the design and ongoing management of employment tax processes and controls to ensure accurate withholding, reporting, and compliance.
• Provide employment tax input on equity and incentive arrangements, including ESOPs, share-based compensation, and other long-term incentive plans, working closely with Legal, Finance, and external advisors.
• Support the Payroll team in delivery of employment and payroll tax compliance across the international markets, in coordination with internal teams and external advisors.
• Maintain global employment tax compliance calendars, workflows, and documentation to improve visibility, consistency, and governance.
• Support employment and payroll tax audits, inquiries, and interactions with tax authorities, ensuring appropriate documentation, risk management, and timely resolution.
• Work closely with People, Payroll, Finance, Legal, and Commercial teams to advise on employment-related tax impacts of organisational changes, new country entry, and evolving operating models.
• Provide practical, business-focused advice on employment tax risks and opportunities, translating complex technical requirements into clear guidance for non-tax stakeholders.
• Support the development of policies and guidance relating to global mobility, remote working, and equity compensation from an employment tax perspective.
• Help establish and maintain effective governance, internal controls, and documentation standards across global employment and payroll tax processes.
• Monitor global employment tax legislation and regulatory developments, proactively identifying risks, impacts, and improvement opportunities for the business.
• Contribute to tax technology…