Senior Tax Accountant

Sustainability that means business

Who we are:

Sustainability software specialist, AMCS, is headquartered in Ireland, with offices in Europe, the USA, and Australasia. With over 1,300 highly-skilled employees across 22 countries, we specialize in delivering technology solutions to facilitate a carbon neutral future.

What we do:

Our innovative SaaS solutions increase efficiency and boost sustainability in resource-intensive industries. Over 5,000 customers across 23 countries already benefit from our Performance Sustainability software, ensuring we deliver practical solutions for improved profitability and environmental resilience across the globe.

Our people:

AMCS offers team members more than just a job, but an opportunity to map out a career with a company that is growing, evolving and setting out new ways of working that are having a positive impact on the world around us. AMCS was established in Ireland and holds onto those local roots and ‘start-up’ mentality with a culture of connection. Connection to our work, our customers, our colleagues and our community that creates a working environment that fosters openness, collaboration and creativity.

We're looking for a Senior Tax Accountantto join the International Tax Team and play a key role in the coordination and governance of international tax compliance for the Group’s Irish and overseas entities.

This role is suited to a technically strong, commercially aware, and tech‑forward tax professional who is comfortable owning core tax deliverables while also championing automation and the use of AI tools to improve efficiency and scalability. The role supports a tax function operating in a fast‑growing, technology‑led environment.

Key Responsibilities:

1. Review & Technical Oversight

• Review VAT and corporation tax calculations prepared by team members, ensuring technical accuracy and consistency with legislation and group policy.

• Provide technical guidance and feedback to preparers, supporting quality improvement and knowledge development within the team.

• Perform high‑level analytical reviews, validations, and reconciliation checks prior to submission.

• Ensure that supporting documentation and audit trails are robust and filing‑ready.

  1. Compliance Coordination & Filings

• Coordinate with external tax advisors to finalise and file VAT, GST and corporation tax returns.

• Support data requests, technical positions, and review comments from advisors.

• Manage filing timetables, deliverables, and dependencies across internal teams and advisors.

• Support Revenue queries and audits, coordinating responses internally and externally.

  1. Tax Accounting & Reporting

• Review tax‑related balances, journals, and reconciliations prepared by the team.

• Support tax disclosures in statutory financial statements and audit processes.

• Assist with provision vs return reviews and true‑ups, ensuring alignment between accounting and tax outputs.

1. Process Improvement, Automation & AI Enablement

• Identify and lead opportunities to automate VAT and CT processes, reducing manual intervention and spreadsheet‑based workflows.

• Champion the use of data‑driven processes, including automated data extraction from ERP system (NetSuite).

• Promote and apply AI tools for tax research, data validation, issue identification, and documentation drafting.

• Actively participate in, and where possible lead, the implementation of new tools or technologies within the tax function.

• Collaborate with Finance and IT to improve data quality, accessibility, and reporting efficiency.

  1. Advisory & Stakeholder Support

• Provide clear, practical tax input to the wider Finance team and other stakeholders.

• Assist with legislative monitoring and interpretation, escalating relevant changes and impacts.

• Support group tax initiatives, restructurings, or integrations impacting Irish entities.

Qualifications & Experience

• 4+ years’ relevant experience in a multinational tax department.

• Professional tax qualification.

• Strong technical knowledge of VAT and corporation tax.

• Experience reviewing tax calculations and coordinating with external advisors.

• Advanced Excel skills with a clear interest in moving away from manual, spreadsheet‑driven processes.

• Demonstrated interest in, or experience with, automation and AI tools.

Highly Desirable

• Experience implementing or rolling out new tax, data, or automation tools.

• Exposure to international tax compliance in a group environment.

• Familiarity with ERP systems such as NetSuite.

Key Attributes

• Strong reviewer mindset with excellent attention to detail.

• Excellent analytical and problem-solving skills

• Tech-forward, and improvement‑focused.

• Ability to work independently and take ownership of tasks while collaborating effectively within a team.

Role Level

This is a senior individual contributor role with responsibility for review, coordination, and process leadership, rather than day‑to‑day preparation. The role is pivotal in ensuring quality, control, and scalability of the tax function as the business grows.