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Salary
$44k – $117k per year (Estimated)
Location
In office (Cambridge)

Confirmed on the employer's own hiring board on Sep 24, 2026. First seen by Alion on Sep 23, 2026. Quantinuum scores B on the Alion truth index.

Overview
Company
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Profile match
Headquartered in Broomfield, Colorado, Quantinuum is a full-stack quantum computing company formed through the merger of Honeywell Quantum Solutions and Cambridge Quantum. The firm develops trapped-ion quantum hardware alongside specialized software platforms, including quantum chemistry engines, compiler toolkits, and quantum-cybersecurity applications.

Join our dynamic finance team as an Assistant Accountant - Covering a maternity leave for a period of 12-15 months.

If you are passionate about numbers, detail-oriented, and eager to contribute to a collaborative environment, this is your opportunity to make a tangible impact. We are looking for a proactive individual who is ready to support the finance function by processing day-to-day financial transactions, assisting with month-end activities, maintaining accurate accounting records, and supporting financial controls and reporting. We're looking for this role to start ASAP after a successful interview process.

Key Responsibilities:

Purchase Ledger:

  • Process supplier invoices and obtain appropriate approvals.
  • Monitor and process purchase orders.
  • Prepare supplier payment runs.
  • Reconcile supplier statements.

Expense and Cash Management:

  • Process employee expenses.
  • Perform bank reconciliations.
  • Load supplier and expense payments into banking systems.
  • Assist with Cash flow management

Month-End Close:

  • Prepare accruals and prepayments.
  • Prepare journal entries.
  • Support balance sheet reconciliations.
  • Maintain fixed asset registers.
  • Assist with period-end reporting activities.
  • Prepare Bank Reconciliations
  • Perform Credit Card reconciliations
  • Support Intercompany Payments

General Finance Support:

  • Raise sales invoices.
  • Manage finance team inboxes.
  • Respond to ad hoc finance queries.
  • Set up bank payments

Process Improvement & Systems:

  • Support ongoing improvements to finance processes and controls.
  • Assist with automation initiatives and system enhancements.
  • Liaise with IT and office administration teams regarding purchasing and supplier setup.

Skills & Experience:

You must have:

  • Previous experience in an Assistant Accountant or experienced Accounts Assistant role.
  • Strong understanding of accounts payable, expenses and bank reconciliations.
  • Experience supporting month-end close.
  • Strong Excel skills.
  • Ability to manage multiple priorities and work to deadlines.
  • Strong attention to detail and accuracy.
  • Good verbal and written communication skills.
  • Experience working to month-end deadlines.
  • Good organisational and multitasking skills.
  • Knowledge of accounting principles and finance processes

We value:

  • AAT , ACCA PQ CIMA PQ or equivalent qualification.
  • Experience using accounting systems such as SAP, Xero, or similar ERP systems.
  • Experience working with a multi-currency, multi- entity or international environment
  • Exposure to Fixed Assets, accruals and balance sheet reconciliations
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