Full-Time

Senior Tax Reporting Manager

Posted on 1/27/2026

Marsh

Marsh

10,001+ employees

Global insurance brokerage and risk advisory

No salary listed

Melbourne VIC, Australia + 1 more

More locations: Sydney NSW, Australia

Hybrid

Three days on-site per week required.

Category
Accounting (1)
Requirements
  • 10+ years’ experience in a Tax Compliance and Reporting role
  • Enjoys working with teams and has a hands-on mindset to getting the job done
  • Experience in Australian tax compliance, tax accounting and tax reporting
  • Experience in the preparation of tax reporting for statutory financial statements
  • Knowledge in US GAAP and IFRS reporting
  • Relevant experience in managing a diverse set of stakeholders, including senior management
  • Management of process documentation and driving continuous improvement initiatives
  • Leading, collaborating with, and providing training to an offshore team
  • Outstanding organizational skills and the ability to manage and prioritize multiple projects and project teams assuming accountability and responsibility for them
  • Engaging proactively, taking responsibility, and actively participating
  • Strong numeric / analytical / problem solving skills
  • Strong time management skills – multiple tasking
Responsibilities
  • Management of local income tax and indirect tax returns in accordance with local tax regulations (including, but not limited to income tax, GST/VAT, FBT, levies/ duties, and withholding taxes, for Australia, New Zealand, Fiji and Papua New Guinea)
  • Management and preparation of tax calculations, schedules and packages as required by US GAAP
  • Management and preparation of the year end consolidated and company statutory accounts and related note disclosures in accordance with relevant accounting standards
  • Management and preparation of tax related disclosures for the year end consolidated statutory accounts in accordance with relevant accounting standards
  • Management and production of monthly, quarterly and annual management financial information in accordance with accounting standards, MMC accounting policies and timetable. Key duties include review of month end journals and balance sheet reconciliations for all tax accounts, together with the provision of account movement commentary
  • Leading and building effective working relationships with on-shore and off-shore team responsible for preparation of tax reporting information
  • Documenting tax treatment and position of material items
  • Provision of general tax advice and support on routine tax matters. Undertake technical research and analysis to assist MMC Group Tax with the provision of advice and support on more complex and non-routine tax matters
  • Ownership of online tax reporting systems and Revenue Authority accounts including liaising with the local tax offices in relation to routine matters, including account queries, payments and lodgement of returns
  • Completion of transfer pricing calculations and documentation
  • Ensuring compliance with group international transfer pricing guidelines for new and existing arrangements
  • Supporting MMC Group Tax on design and implementation of tax governance framework, tax reporting and compliance operating model and ensuring and demonstrating robust processes are in place on tax accounting and reporting activities
  • Recommendations for and implementation of process improvements including relevant documentation
  • Local tax specialist input for systems implementations and upgrades impacting tax reporting or compliance
  • Liaising with external tax advisors including planning and ensuring lodgement requirements are met
  • Providing timely and accurate tax related financial information to other stakeholders such as MMC Group Tax
Desired Qualifications
  • Experience with a Big 4 or mid-tier professional services firm and in a large commercial corporate tax role preferred
  • Knowledge of Australian and New Zealand direct and indirect taxes preferred
  • Knowledge of US taxes ideal, but not essential

Marsh is a diversified professional services firm that helps clients manage risk, secure insurance, and design risk-transfer programs. Its core work combines risk advisory with insurance brokerage, acting as a buyer of coverage and placing policies across multiple underwriters. It includes Mercer (HR consulting), Guy Carpenter (reinsurance brokerage), and Oliver Wyman (management consulting) under a holding structure. Its goal is to lower clients' financial risk and total cost of risk by combining risk transfer with advisory and consulting services across insurance, reinsurance, HR, and business strategy.

Company Size

10,001+

Company Stage

Seed

Total Funding

$110K

Headquarters

New York City, New York

Founded

1871

Simplify Jobs

Simplify's Take

What believers are saying

  • Mercer consulting revenue grew 11% in Q1 2026, outpacing traditional brokerage and driving higher margins.
  • EMEA division surged 14.1% year-over-year in Q1 2026, signaling strong European and emerging market expansion.
  • Niche insurance products like Port Blockage Insurance and Micassure capture underserved segments as commoditization pressures traditional lines.

What critics are saying

  • Aon's $13B Willis Towers Watson acquisition enables aggressive pricing that erodes Marsh's 30% global brokerage share.
  • Guy Carpenter's 2% organic growth in Q1 2026 trails Arthur J. Gallagher's 15% YoY, signaling reinsurance market share loss.
  • Sentrisk AI platform faces class-action lawsuits alleging misuse of client supply chain data for competitive intelligence.

What makes Marsh unique

  • Sentrisk AI platform maps supply chains with geospatial satellite imaging, uniquely addressing geopolitical and climate risks.
  • Holding company structure enables separately managed businesses: Marsh, Mercer, Guy Carpenter, Oliver Wyman.
  • Broker-as-advisor model since 1905 spreads client risk across multiple underwriters, not single insurers.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Insurance

Paid Vacation

Paid Sick Leave

Hybrid Work Options

401(k) Retirement Plan

401(k) Company Match

Employee Stock Purchase Plan

Professional Development Budget

Tuition Reimbursement

Mental Health Support

Paid Holidays

Company News

Smartbroker Holding AG
Jul 28th, 2025
Mitsubishi Electric to Transfer Shares of Insurance Subsidiary to Marsh Japan

28.07.2025 - Mitsubishi Electric Corporation (TOKYO: 6503) announced today that it has concluded a share transfer agreement under which it will transfer shares of its Tokyo-based subsidiary Mitsubishi Electric Insurance Service Co., Ltd. to Marsh Japan, Inc. on ...

Coverager
Aug 28th, 2024
Marsh Launches Port Blockage Insurance

Marsh <i class="fa fa-info-circle company-popover" data-content="h3Marsh/h3. div. table

Business Wire
May 16th, 2024
Marsh Mclennan Stockholders Re-Elect Board Of Directors During 2024 Meeting

NEW YORK--(BUSINESS WIRE)--Marsh McLennan (NYSE: MMC), the world’s leading professional services firm in the areas of risk, strategy, and people, today announced the results of its 2024 Annual Meeting of Stockholders. Stockholders elected the entire slate of 2024 director nominees for a one-year term expiring at next year’s annual meeting. The 11 directors are: Anthony K. Anderson, John Q. Doyle, Oscar Fanjul, H. Edward Hanway, Judith Hartmann, Deborah C

Coverager
May 9th, 2024
Marsh Introduces Micassure

Marsh <i class="fa fa-info-circle company-popover" data-content="h3Marsh/h3. div. table

Coverager
May 2nd, 2024
Marsh Launches Sentrisk

Marsh <i class="fa fa-info-circle company-popover" data-content="h3Marsh/h3. div. table

INACTIVE