Is it permissible to intercede on behalf of a female friend who is compelled to work in a mixed-gender environment, and would that be considered cooperation in sin and transgression?

Interceding for employment is permissible if the person is competent and able to perform the job, as this falls under fulfilling a Muslim's need. However, interceding for a woman in a mixed-gender environment is forbidden, unless she is compelled. In such a case, it is permissible for her to be interceded for and to work, provided she adheres to Islamic manners: complete hijab, refraining from perfumes and displaying adornments, avoiding seclusion and shaking hands, and unnecessary conversation with men, ensuring the work is permissible, and continuing to search for an alternative job.