At Amentum, we're not just solving problems; we're engineering the future. Our team is driven by an unyielding commitment to innovation, integrity, and collaboration, tackling some of the most significant challenges in science, security, and sustainability. If you're passionate about making a real impact and want to be part of a community that values ethical excellence, this is the place where your ambition can thrive. Here, we believe that success comes from continuously pushing boundaries and working together to deliver on our promises. We embrace challenges with confidence and are dedicated to creating a secure and vibrant future for all. We'll inspire and empower you to deliver your best work so you can evolve, grow and succeed - today and into tomorrow. We offer an exciting range of opportunities to develop your career within a supportive team who always strive to do the right thing for our people, clients and communities. About the opportunity For our team in Glasgow we are seeking a Tax Accountant. The Tax Accountant will play a crucial role in supporting the Tax department in the day-to-day tax-related and accounting activities. The individual will work closely with the finance team and assist with the UK tax compliance, tax reporting and related matters. This is a great opportunity to be an instrumental contributor in furthering Amentum's best-in-class tax function and for someone who enjoys working in a dynamic, diverse, and fast-paced environment. Main responsibilities: Preparing corporate income tax return packages and associated calculations / workpapers in assigned jurisdictions. Assist with preparation and understanding of VAT and GST/HST Returns. Assist with quarterly and year-end tax provision workings, and preparing monthly tax journal entries, both locally and for Group Reporting. Preparing Tax Balance Sheet reconciliations. Assist with calculating and making corporate income tax payments. Assist with monthly tax cashflows and forecast. Work closely with Finance/Accounting teams to assist with tax related matters for statutory financial statement filings and audit Assisting with coordination and preparation of the UK's Research and Expenditure Credit Maintain tax working papers, files and trackers. Assist with HMRC queries or other tax related queries. Assist with internal and external audit queries Main requirements: A Degree in Accounting, Finance or a related Business Degree Part Tax or Accounting qualified (ATT/ACCA/ACA) is a bonus but not essential Knowledge of Accounting GAAP - IFRS, US GAAP. Strong organizational, analytical, communication, and interpersonal skills Positive attitude and dependable team player with strong attention to detail 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. We partner with VERCIDA, for greater online accessibility please visit www.vercida.com to view and access our roles. As a Disability Confident employer, we will interview all disabled applicants who meet the minimum criteria for a vacancy. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role. 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: GBP 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: 04/17/2026 - Until Filled 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 .