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Mott MacDonald

Senior Financial Accountant

Location:  Bangkok, TH
Location flexibility:  3 office days / week
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Job Description

Location/s: Thailand
Recruiter contact: Monnattha Ketpaiboon
Hiring manager contact: Shanty

At Mott MacDonald, we are a global engineering, management and development consultancy driven by a clear purpose: improving society through innovation, expertise and sustainable solutions. Our people work on projects that make a difference, from infrastructure and transportation to water, energy and environmental services.

We are looking for a Senior Financial Accountant to join our APNA Financial Accounting team in Bangkok. Working with colleagues across the region and our Shared Service Centre, you will support accurate accounting, timely reporting and effective financial governance for Thailand and other countries in Asia.

This is an opportunity for a detail-oriented finance professional who enjoys taking ownership, collaborating with stakeholders and improving how work gets done.

About the role

As a Senior Financial Accountant, you will manage core accounting activities, deliver statutory and Group reporting, coordinate audit and tax requirements, and maintain a strong control environment. You will also help simplify processes and support finance projects and system improvements.

What will you do?

Accounting Operations

  • Oversee the accuracy and completeness of accounting operations, delivered locally and through the Shared Services Centre and support other entities as assigned by your manager.
  • Manage month-end and year-end closing activities, including account reconciliations and adjusting entries.
  • Prepare monthly cash flow forecasts for submission to Treasury.
  • Ensure monthly balance sheet reconciliations are reviewed and certified in Trintech within required deadlines
  • Maintain accurate and complete accounting records in accordance with applicable accounting standards and Mott MacDonald Group policies and procedures.

Financial Reporting

  • Prepare and analyse annual statutory financial statements, ensuring accuracy, completeness and compliance with applicable reporting requirements.
  • Prepare and submit accurate and high-quality quarterly consolidation reporting to Group Finance within required deadlines.

Intercompany

  • Review intercompany transactions and balances and coordinate with the Intercompany Accountant to ensure monthly settlement, taking into account relevant tax implications.

Auditing

  • Manage internal and external audits, including coordinating supporting documentation and timely responses to auditor queries.
  • Coordinate the preparation of statutory financial statements and review drafts prepared by external auditors to ensure accuracy, completeness and compliance prior to management approval and sign-off
  • Address audit findings, implement improvements to financial processes and controls, and ensure agreed audit actions are completed within required timelines.

Taxation

  • Prepare and issue WHT certificates to vendors and VAT invoices and receipts to clients
  • Prepare and submit WHT and VAT returns through the relevant government tax portals within required deadlines
  • Coordinate with the Group Tax to ensure statutory tax filings and related tax payments are completed accurately and on time.
  • Provide accurate financial information to support the preparation of annual corporate income tax (CIT) returns and the preparation of transfer pricing documentation.
  • Support tax queries and audits relating to WHT, VAT and CIT.

Financial Controls

  • Develop and maintain internal controls to safeguard assets, prevent fraud, and ensure financial reporting accuracy.
  • Complete and sign off the annual Financial Control Matrix.

Insurance

  • Manage the renewal of office insurance policies

Compliance

  • Maintain current knowledge of accounting regulations and ensure the company complies with all applicable standards and requirements.

Project and process improvement

  • Participate in ad hoc financial accounting projects, system implementations, and process improvement initiatives.

What we're looking for

Qualifications & Experience

  • Bachelor’s degree in accounting, finance or a related discipline.
  • A recognised professional accounting qualification such as Thai CPA, CA, CPA or equivalent, or progress towards one, would be an advantage
  • At least 6 years of experience in financial accounting, statutory reporting and tax compliance ideally within a multinational organisation or professional services environment .
  • Previous experience in an audit firm would be an advantage.

Technical Skills

  • Strong understanding of financial accounting principles and statutory reporting requirements.
  • Good practical knowledge of Thai tax compliance, including VAT, withholding tax (WHT) and corporate income tax (CIT), with experience supporting tax filings and dealing with tax-related queries.
  • Knowledge of Thai accounting and statutory financial statement requirements.
  • Experience using ERP and financial systems, such as SAP, Oracle, or similar platforms.
  • Strong analytical and problem-solving skills, with the ability to identify issues and recommend practical solutions.
  • Comfortable learning new systems and processes and adapting to changing business needs.

Personal Qualities

  • Takes ownership of responsibilities and follows through on commitments.
  • Well organised, detail-oriented, and able to manage multiple priorities effectively.
  • Proactive and collaborative, with a continuous improvement mindset.
  • Builds positive working relationships across teams and functions.
  • Strong communication skills, with the confidence to engage with stakeholders and present information clearly in both written and spoken English.
  • Thai language proficiency, if required for government filings and communications with local authorities.

What success looks like

Success in this role means delivering accurate accounts, maintaining a smooth close process and ensuring compliance requirements are met on time. You identify issues before they become problems, communicate clearly with stakeholders and provide practical solutions that add value to the business.

Application and selection process

If this sounds like the right role for you please apply online as soon as possible. The online application process takes about 10 minutes and you'll need to upload your CV/resume.

Agile working

At Mott MacDonald, we believe it makes business sense for you and your manager to choose how you can work most effectively to meet your client, team and personal commitments. We embrace agility, flexibility and trust.

Equality, diversity and inclusion

We put equality, diversity and inclusion at the heart of our business, seeking to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they have the opportunity to contribute.

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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
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
Eye Care Support – Eyecare vouchers
Faith rooms
Fully stocked snack cupboard
Further education support
Health assessment
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
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
Mental health first aiders
Mental health support
Emergency leave

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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Company employees:

18,000 worldwide

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

0:35:65

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