This follows the announcement on Monday that Baroness Neville-Jones has stepped down from her position.
Baroness Angela Browning has joined the department as minister for crime prevention and anti-social behaviour reduction.
This brief includes responsibility for the drugs strategy, licensing, community activism and football safety.
Baroness Browning will also lead all Home Office business in the House of Lords.
Commenting on James Brokenshire’s new role, Home Secretary Theresa May said: ‘Maintaining public safety and security remains my top priority and I will continue to take the lead for the department in ensuring the UK’s national security and counter-terrorism strategy responds to the evolving terrorist threat.
‘To support me in this important work I am pleased to announce that James Brokenshire will be taking on the role of parliamentary under secretary for crime and security.’