Ofcom
The UK communications regulator, and the enforcer of the Online Safety Act.
Also trades as Office of Communications
About Ofcom
Ofcom regulates communications in the UK, and since the Online Safety Act it regulates online services too. It writes the codes of practice and risk assessment guidance UK-facing platforms have to follow.
Open jobs
From Ofcom's own job board.
NewOfcom · P2 · 4 Locations
Ofcom · M5 · 3 Locations
Locations
Their tool
In Tools & Services. Listed, not recommended.