What you''ll be doingThe Portfolio Assurance Manager plays a pivotal role within the House of Commons, supporting the delivery of a high-profile, complex portfolio across the UK Parliament. This is a unique opportunity to lead independent assurance across major programmes, ensuring critical projects are robust, well-governed, and set up for success. Working within the Enterprise Portfolio Management Office (EPMO), the role combines strategic oversight with hands-on delivery, offering real influence at the heart of an iconic institution.You will lead the planning and delivery of Gateway Reviews and assurance activities across a £4.7bn portfolio, engaging senior stakeholders and shaping assurance strategies. Acting as a subject matter expert, you''ll collaborate with internal PMOs and external bodies, manage assurance resources and budgets, and provide insightful reporting to senior boards, driving continuous improvement and safeguarding delivery.This role is offered on a hybrid working basis, with an expectation of you spending 40% of your time in the office.Find out more about working at the House of Commons.Why Join us?In addition to your salary, we offer an attractive range of benefits including but not limited to: Generous annual leave starting at 30 days and increasing to 35 after one full working year.Enrolment in the excellent Civil Service pension scheme with an average employer contribution of 27%Flexible working options that help you find a balance including enhanced