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Assistant Tax Manager Operational Taxes

CMC Markets


Job Location:

Sydney - Australia

Monthly Salary: Not provided by the employer
Posted: 14 August 2026 (30+ days ago)
Application Deadline: 11 November 2026
Vacancies: 1 Vacancy

Job Summary

If you also believe that everyone should be able to achieve their financial potential then youll love contributing to CMC Markets company vision of providing the ultimate trading experience. Seize the opportunity to progress your career in the fintech industry by joining a global leader in CFD trading and share investing. Grow yourself personally and professionally with a company thats growing with you by global expansion and product offering.

We are looking for an Assistant Tax Manager to join our Operational Tax team and build their expertise across a broad range of international tax obligations. Working across Australia New Zealand the UK Europe Singapore and the US youll play an important role in ensuring our operational tax reporting remains accurate and compliant as CMC Markets continues to grow. If you enjoy solving complex tax issues improving processes and working with stakeholders across a global business this is an opportunity to broaden your experience and progress your tax career.

Why Youll like working here

Just some of the reasons youll love working here include:

  • Leave benefits: Accrue 5 additional annual leave entitlements each year called My Days as well as enjoying 5 extra annual leave days once you pass 12 months. Enjoy your birthday off to spend time with family and friends on us! Utilise a free annual charity day to give back to your community.

  • $0 Trades: Staff & family trading accounts with CMC Markets Invest have access to the best brokerage rates in the market - $0 trades for all domestic and international equity orders!

  • Continuous learning: Our L&D offering covers both technical and performance training ensuring youre always learning new skills.

  • Unlimited access to a dedicated benefits & wellbeing hub where you can save money through various retailer discounts and make use of a variety of resources that will enhance your physical and mental wellbeing.

  • Collaboration: We believe that great things happen when smart people work together thats why weve made the decision to work five days in the office.

  • Office perks: Help yourself to free breakfast cereals condiments and coffee to fuel your workday. Our culture club provides opportunities for everyone whether youre into fitness pizza making classes socialising or bringing out your competitive side in trivia or lawn bowls!

What youll be working on

Reporting to the Operational Tax Manager youll support the delivery of operational tax requirements across CMC Markets international business. Youll work across tax reporting withholding obligations client onboarding reconciliations and system functionality while helping identify risks and opportunities to improve how we work. Youll also collaborate with Group Tax and project teams to ensure tax requirements are understood and embedded into business processes and system changes.

Your responsibilities will include:

  • Supporting accurate and timely operational tax reporting across multiple jurisdictions.

  • Preparing and reviewing reporting including AIIR US withholding tax FATCA CRS and CARF.

  • Supporting transaction tax obligations including FTT and Stamp Duty.

  • Reviewing tax treatment across financial instruments corporate actions and distributions.

  • Reconciling operational tax reporting and investigating discrepancies.

  • Reviewing system tax functionality and contributing to system enhancements.

  • Identifying tax risks efficiencies and opportunities for process improvement.

What will help you be successful

Youll thrive in this role if youre analytical curious and enjoy working through complex tax issues to find practical solutions. Youll take pride in accuracy be comfortable balancing multiple priorities and communicate confidently with stakeholders across different areas of the business. With a commercial mindset and an interest in how tax systems and operations connect youll look for opportunities to improve processes while maintaining strong compliance standards.

Youll also bring:

  • At least 3 years of experience in operational tax or a related tax regulatory environment within an international financial institution.

  • Practical experience with Australian investment tax including the tax treatment of financial instruments corporate actions and distributions.

  • Experience with operational tax reporting requirements including CRS FATCA and US tax reporting.

  • Experience working across multiple projects and stakeholder groups.

  • Excellent written and verbal communication skills.

  • Relevant tertiary qualifications in accounting or tax with CA/CTA qualifications.

The things we live by

CMC Markets is powered by our people. We are an equal opportunities employer and are committed to creating a diverse and inclusive workplace where our people feel confident to be themselves feel valued and are able to do their best work. We dont just value differences and unique perspectives we seek them out and we invite them in because we know it will lead to better outcomes for everyone.

Were always on the lookout for great people so even if you dont feel you are a 100% fit apply with your up-to-date CV and well consider you for this role and any other suitable opportunities across the business.

We look forward to hearing from you!

Please be vigilant when applying for jobs online. CMC Markets will never request personal identification details such as Date of Birth or Tax File Number prior to an offer being made. If your initial application is successful regardless of whether youve applied directly or through an approved recruiter you will always liaise with a representative from CMCs Talent Acquisition team. We will only discuss a role you have formally applied for via phone or email (CMC Markets email address); and never via Facebook or Telegram.


Required Experience:

Manager


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