It is not just jobs that involve contact with children or vulnerable adults that can ask for a criminal records check. There are many other professions which can ask for a criminal check, whether at the beginning of the employment or partway through it.to be honest an employer could introduce a policy where they require new and existing employees to undertake such a check. Whilst that in itself would not necessarily be an issue, the main issue is what they do with the results of such checks. Even if some adverse entries on the checks appear, existing employees should not be overly concerned about their job security as a result of that. An employer cannot just use any entry on your criminal record to try and dismiss you for example. This could only happen in extreme circumstances where the criminal entry is serious enough to show that you are no longer suitable to perform your job and there is nothing that can be done to avoid a dismissal. For example a teacher being convicted of child sex offences, a banker being convicted of fraud and so on. It has to be something serious enough to make the employer have no trust and confidence on you being abler to perform your specific job and in this case it is unlikely there would be much you would need to worry about especially as you mention there are no serious adverse entries on your record.
Hope this clarifies your position?
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