She was a senior liaison officer working out of Washington, D.C. to the US intelligence community over the period of the first Gulf War, before leading the newly created Irish counter-terrorism section from 1992 when MI5 were given the lead responsibility for such work (from the Metropolitan Police). Having been promoted to the Management Board of the Security Service the next year, Manningham-Buller became the director in charge of surveillance and technical operations. She was appointed Deputy Director General in 1997, and succeeded Sir Stephen Lander as Director General in 2002, the second woman to take on the role after Dame Stella Rimington. As Director General, she was paid £150,000 a year.