Ministers to crackdown on 'woke activism' in Civil Service

Glen also warned mandarians who are unwilling to follow ministers’ instructions on Rwanda deportation flights could look for “other options” outside the Civil Service.

The Salisbury MP, who also served under Theresa May and Boris Johnson, is hoping to push a new efficiency drive across Whitehall in a bid to deliver savings.

It has been suggested savings could lead to the Government “giving back money” to British households through tax cuts.

Glen will use a keynote speech at the Institute for Government on Tuesday to lay out plans for a “lean, keen and productive” Civil Service with a smaller headcount.

He told The Telegraph it was “a good thing” that the Civil Service had made “significant progress in making itself representative of the country it serves”.

However, Glen stressed “confusion” existed about how the networks operate.

He added: “That’s why we want to issue new guidance to inform and clarify how they work.”

Glen also claimed the public expects civil servants to deliver on the Government’s agenda rather than pursue internal projects.

He explained: “We feel a responsibility, given that we’re talking about what taxpayers’ money is being spent on.

“People want to know that civil servants are spending their time on their primary job, not on network activities.”

Glen led a productivity review during his stint as Chief Secretary to the Treasury aimed at delivering more for less across the public sector.

The Salisbury MP will also use his current post to shrink the workforce to pre-pandemic numbers – a reduction of about 66,000 posts.

The Government is hoping to use artificial intelligence as one of its ways to cut costs.

Glen was keen to stress high-performing civil servants should be rewarded, while poorer performers should be let go.