The average salary for a Systems Engineer (Computer Networking / IT) is AU$65,706 per year. Experience has a moderate effect on pay for this job.
Symptoms of bed bug bites include: 1  Skin redness; 2  Severe itching; 3  Swelling of the bitten place;  Multiple marks on small skin area.
Reactions to the bites may be delayed. In fact, in some cases it can be a day or more before the welts appear. Once they appear, the welts shrink down to red spots, but those spots can last for days. It is estimated that around 30% of people do not have a reaction to bed bug bites. No itching, no swelling, nada.