I applied for a technician's job 2 weeks ago at a university were I worked a few years ago. Last week, a man I used to work with there phoned me to tell me he'd seen my application, and had I seen that the same lab had 2 places for postdoc researchers (considerably better jobs) which were being readvertised as the lab head hadn't been impressed with the applicants, and had I thought about applying for them? He suggested I contact the lab head in question to talk about the posts. I thanked him profusely, and told him I would contact the head on Friday. I was at my parents at the time, and away from my computer and files, which I thought I might want to have to hand.
I emailed the lab head on Friday afternoon, telling her a bit about myself and my experience, and offering to call her if it was convenient, or to call in (I live a short distance away). And now it's Monday evening, and I haven't heard back from her. I really want this job, so how much can I pursue her to demonstrate my enthusiasm before it becomes annoying and inappropriate? The closing date for the applications isn't for a week and a half. I'm in the UK.