LONDON—A British Airways computer expert was charged Thursday with plotting suicide bombings—including one he allegedly planned to carry out himself. Prosecutor Colin Gibbs alleged that Bangladesh-born Rajib Karim deliberately sought a job with the airline in order to further an unspecified terrorist conspiracy. Mr. Gibbs told the City of Westminster Magistrates' Court that the 30-year-old plotted with unidentified contacts in his home country, Pakistan, and Yemen over the past four years. He said that Mr. Karim shared information about his work, including British Airways' security measures. Mr. Gibbs also said that Mr. Karim had offered to join the airline's cabin...