If you are still running, I currently work as a (job title) at (company name).If you are out of work, and then I worked previously as a (job title) at (company name).
If you are still running, I currently work as a (title) at (company name). If you are out of work, and I previously worked as a (title) at (company name).
If you are working I currently work as a (title) at (company name). if you quit your job I previously worked as a (name difficultly). At (company name).