Salary: London: £32,280 - £36,450 / National: £29,280 - £33,450 Contract Type: Permanent Working Pattern: This post is available on a full time, part time or job share basis, and flexible working hours can be accommodated. Location: London or Darlington If you''re interested in making a difference to people''s lives, the Treasury can offer you an exciting opportunity to influence decision making that affects the whole of the UK. Working at the heart of government, we collaborate across government to promote responsible public spending and drive strong and sustainable economic growth. About the Team This is an exciting, challenging role in a warm and supportive team. The postholder will work in the centre of government and help deliver Treasury policy across a fascinating portfolio. The XST, Dan Tomlinson MP, is the minister responsible for the UK tax system. This involves responsibility for tax policy development, including in the lead up to fiscal events, as well as strategic oversight for HMRC. This puts him in the unusual position of having responsibility for a government department as a junior minister. The XST is accountable for HMRC''s transformation portfolio, compliance work, customer service and the UK''s customs arrangements. In addition, XST works closely with other Ministers across Government on tariffs and trade policy. XST is responsible for a significant amount of the Treasury''s parliamentary business including the Finance Bill. The XST relies upon his Priva