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Mott MacDonald

Senior International Tax Manager - Asia

Location:  SG
Location flexibility:  3 office days / week
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Job Description

Location/s: Singapore
Recruiter contact: Shing Ying Low

Shape tax strategy across Asia

We have an exciting opportunity for an experienced Senior International Tax Manager - Asia to join our global Tax team, based in Singapore and supporting our businesses across Asia.

This is a highly visible, business-facing role spanning Singapore, Malaysia, Thailand, Taiwan, Japan, Korea, Indonesia, China and Hong Kong. You will partner with business, finance, legal and commercial teams to provide practical international tax advice, manage tax risk and support the continued growth of our business across the region.

What makes this opportunity different?

  • Take on a broad Asia-wide international tax remit across diverse and evolving markets.
  • Work closely with senior business stakeholders as a trusted tax adviser and business partner.
  • Influence tax strategy while remaining close to commercial transactions and projects.
  • Join a collaborative global Tax team with a strong focus on continuous improvement, technology and automation.

Your role

As a Senior International Tax Manager – Asia, you will identify and manage tax risks while providing clear, commercially practical advice across multiple jurisdictions.

You don't need to be the technical expert in every country's tax regime. What is important is your ability to apply strong international tax judgement, identify issues early, challenge and interpret specialist advice, and coordinate effectively with local advisers and stakeholders.

Your responsibilities will include:

International tax advisory

  • Provide clear and practical advice on cross-border transactions, particularly withholding tax, Permanent Establishment (PE), treaty matters and legislative developments.
  • Identify emerging tax risks and translate complex tax considerations into actionable commercial advice.
  • Coordinate local tax expertise where specialist jurisdictional advice is required.

Transaction and contract advisory

  • Provide tax input into contracts, agreements and transactions to support appropriate tax structuring and compliance.
  • Partner with Legal and Commercial teams to review contractual terms and identify potential tax implications.

Stakeholder management

  • Build trusted relationships with business leaders, finance teams and other internal stakeholders across Asia.
  • Keep stakeholders informed of relevant tax developments, risks and business implications.
  • Support transfer pricing documentation, tax returns and related filings.
  • Work with the Tax Centre of Excellence, where required, to support accurate and timely tax reporting.

Tax controversy and risk

  • Manage responses to tax audits, notices, refund claims and appeals in collaboration with local advisers and finance teams.
  • Coordinate interactions with tax authorities and external advisers to achieve effective and commercially appropriate outcomes.
  • Identify, communicate and escalate material tax risks early.

Tax strategy and planning

  • Work with Group Tax and Regional Finance to develop and implement tax-efficient structures and strategies.
  • Contribute to global tax initiatives and continuous improvement across the tax function.

Training and knowledge sharing

  • Deliver tax awareness sessions and training for finance and business teams.
  • Build greater understanding of tax risks and promote a strong culture of tax compliance across the region.

Tax technology and automation

  • Help identify opportunities to simplify and automate tax processes.
  • Support the implementation and adoption of digital tools that improve tax reporting, compliance and efficiency.

What you bring

You will be an experienced international tax professional who combines strong technical foundations with commercial judgement, curiosity and an ability to influence stakeholders.

Ideally, you will bring:

  • A recognised professional qualification such as CA, CPA, ACCA, CTA, or an equivalent accounting, tax or legal qualification.
  • Around 10–12+ years of relevant tax experience, including significant corporate and international tax exposure.
  • Experience gained within a Big 4 or major advisory firm and/or an in-house multinational tax environment.
  • Experience working across multiple jurisdictions, ideally within Asia or other complex and emerging markets.
  • Strong technical grounding in corporate tax, withholding tax, Permanent Establishment and treaty analysis.
  • Exposure to areas such as transfer pricing and indirect taxes.
  • Strong stakeholder management and written and verbal communication skills.
  • The confidence to interpret and challenge technical advice and translate it into practical recommendations for the business.
  • The ability to prioritise competing demands, delegate effectively, communicate workload transparently and escalate issues early.
  • A collaborative, team-first approach combined with the autonomy and ownership expected of a senior professional.

Why join us?

This is an opportunity to take on a genuinely regional role where your advice can influence decisions across some of our most diverse and dynamic markets.

You will join a supportive, collaborative and globally connected Tax team that values quality, pragmatic advice and continuous improvement. You will have the autonomy to shape how you work, the opportunity to influence stakeholders across the business, and the platform to contribute to the continued evolution of our tax capability, including technology and automation.

If you're an experienced international tax professional who enjoys solving complex cross-border challenges, partnering with the business and making an impact beyond technical tax compliance, we'd love to hear from you.

Apply

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Working at Mott MacDonald

3 office days / week

A little flex time – We’re happy to talk flexible working and how we can support your responsibilities beyond the workplace. We offer a range of options depending on your role, so please discuss this with your recruiter.

Company benefits

Accrued annual leave
Adoption leave – 26 weeks full pay
Annual bonus
Annual pay rises
Bank holiday swaps
Bike parking
Book swaps
Buddy scheme
Buy or sell annual leave
Carer’s leave – up to 5 days, two of which are paid
Collaboration spaces
Compassionate leave
Critical Illness Insurance
Cycle to work scheme
Dental coverage
Emergency leave
Employee assistance programme
Employee discounts
Enhanced maternity leave – 26 weeks full pay
Enhanced paternity leave – 2 weeks
Enhanced pension match/contribution – matched up to 7%
Enhanced sick pay
Ergonomic workstations
Faith rooms
Fully stocked snack cupboard
Further education support
Health assessment
Health cash plan – to support with everyday health costs (eg dental / eye care)
In house training
Income protection
L&D budget
Learning platform
Life assurance
Life insurance – 4 x salary
Lunch and learns
Meditation space
Meditation space
Menopause support
Mental health first aiders
Mental health support
Mentoring
Modern office
On-site shower
On-site yoga classes
Open to part time work for some roles
Open to part-time employees
Pregnancy loss leave
Pregnancy support
Private booths
Private GP service – Private Medical care for all UK staff
Professional subscriptions – We pay for your primary professional annual subscription
Referral bonus
Religious celebration leave
Reservist leave – 10 days leave
Returnship
Salary sacrifice
Share options
Shared parental leave – We match up to 24 weeks full pay
Study support
Tax-free childcare
Teambuilding days
Theme park discounts
Travel loan
Women’s health leave
Women’s health support

Awards & Accreditations

Best Employee Wellbeing

Top 5 - Best Employee Wellbeing

Flexa awards 2026
Best Career Progression

Top 10 - Best Career Progression

Flexa awards 2026
2nd - Best Career Progression

2nd - Best Career Progression

Flexa awards 2025
3rd - Most Family Friendly Company

3rd - Most Family Friendly Company

Flexa awards 2025
Best Work-Life Balance

Top 5 - Best Work-Life Balance

Flexa awards 2025
Most Flexible Company

Top 5 - Most Flexible Company

Flexa awards 2025
Best Workplace Culture

Best Workplace Culture

Flexa awards 2025
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#3 BEST WORKPLACE CULTURE

Company employees:

18,000 worldwide

Gender diversity (m:f:n-b):

0:35:65

Hiring in countries

Australia

Bulgaria

Canada

Czechia

Germany

Hong Kong

Hungary

India

Indonesia

Ireland

Italy

Japan

Malaysia

New Zealand

Saudi Arabia

Serbia

Singapore

South Korea

Spain

Thailand

United Arab Emirates

United Kingdom

United States

Office Locations