Health hazard of cadmium plated connectors
Here is the risk assessment from a European supplier of such connectors. I suggest seeking out similar documents from other makers (and, in general, familiarizing yourself with MSDS (Material Safety Data Sheets) for things you are working with (especially liquids such like). Although a bit technical, they are intended to give information on risks to the users. In many places you can refuse work that is dangerous without fear of losing your job.

Risk Assessment Substance Name: Cadmium CAS
Number: 7440-43-9 SVHC
Number: ED / 69 / 2013
The use of cadmium as plating finish still has
an important role in safety critical applications. As plated surface
on component, cadmium does not represent a risk to health. Cadmium is
not easily absorbed through the skin, so handling cadmium plated
products exposes no risk to the user. The main risk to health is
cadmium dust or vapour, which can be generated by machining welding or
polishing. The main route of entry into the body is via inhalation
followed by ingestion. If it corrodes, cadmium forms a white
crystalline cadmium salt deposit on the surface of the plating and
this can represent a health risk of not handled properly. The deposit
may enter the body through inhalation if it becomes airborne or
ingestion. Cadmium and the compounds formed when it corrodes are toxic
by ingestion, acutely toxic if inhaled, may cause cancer and are
suspected of being able to cause genetic defects, damage fertility and
to be harmful to the unborn child

I'm not sure I agree with the logic behind the &quot;no risk to the user&quot; statement above. In actual use the connectors sometimes have a bit of material flaking off, especially when mated and unmated many times. So I would definitely wash my hands after handling them and not be eating at the same time (similar to working with lead solder paste).
We had to use cadmium plated fasteners in aircraft applications, and always kept those fasteners properly labeled and separated from ordinary chromated or whatever fasteners.