Headquartered in Chantilly, Virginia, Amentum is a leading global engineering and technology services business serving the U.S. Government and its allied partners. The Company provides full lifecycle, advanced engineering and technology solutions across five key markets: environment, space, intelligence, defence and civilian. Amentum has extensive scale and global reach, supported by a highly skilled and diverse workforce of more than 53,000 people in approximately 80 countries.

About the Opportunity

Amentum are seeking a motivated and versatile individual for a Business Support Finance role, the ideal candidate will possess strong communication skills in both English and Japanese, be highly organized, and demonstrate initiative in managing multiple tasks in parallel. The role involves engagement with a diverse set of clients across government and business sectors, including industries such as nuclear, defence, space, cyber security, and robotics. While sector-specific experience is not required, a proactive, self-starter attitude and attention to detail are essential.

In this role you will form part of the extended Finance Team, and although managed through the country team, the candidate would be closely connected to the finance function and will be trained, supervised and mentored within the function. The functions to be undertaken are:

Accounts Payable:

• Receive supplier invoices in Japan

• Translate invoices

• Submit to accounts payable

• Follow them through the system, acting as requestor on our system, training will be provided

• Handle supplier queries

• Supplier set up

• PO management

• Cash Management

• Manage bank account, interfacing with bank in Japanese as required

• Handle Bank queries

• Cash flow forecast

• Bank Reconciliations

• Accounts Receivable

• Support the preparation and issue of project invoices to customers

• Oversee receipt of customer funds into bank account

General Ledger:

• Manage ledger/books for Amentum Japan KK , using the SAGE software package 

• Month end accruals & prepayments if required

• Reconcile books with our Costpoint system data & required journals

• Prepare monthly Trial balance & variance analysis

• Prepare tax return information

• Consumption tax reconciliations & submissions via PWC Japan

• Submit tax return & liaise with PWC

• Maintain fixed asset register & depreciation

• Manage the payment of tax bill locally 

• intercompany reconciliations

• Minutes & submission of AGM post financial return (TBC)

Payroll:

• Post journal & account reconciliations

Timesheets:

• Manual postings from Costpoint system to Sage system at month end – following an existing process used elsewhere in the company.

Here's What You'll Need 

• Language Skills: Proficiency in both English and Japanese (written and spoken).

• Communication: Strong interpersonal and communication skills, able to work across cultural and linguistic boundaries.

• Organizational Skills: Ability to manage multiple tasks, track engagements, and maintain client relationships.

• Information Technology: Strong skills across range of Microsoft Office products including Outlook, Word, Powerpoint & Excel.

• Adaptability: Willingness to work in diverse sectors and manage different responsibilities, including office management.

• Proactive: A self-starter with a hands-on approach to problem-solving and taking initiative.

Our Culture 

Our values are built on a strong foundation of safety, integrity, and respect for every individual. People are at the heart of our mission, and we believe in supporting one another through a culture of care and collaboration. We strive to create a workplace where everyone feels they belong and can thrive. Supporting mental wellbeing and fostering a sense of connection are essential to how we work.

When we embrace different perspectives and work together, we become more innovative, more agile, and more successful.

If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team.

Compensation Details:

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

• Health, dental, and vision insurance

• Paid time off and holidays

• Retirement benefits (including 401(k) matching)

• Educational reimbursement

• Parental leave

• Employee stock purchase plan

• Tax-saving options

• Disability and life insurance

• Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting:

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed,  marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.