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.
Harmless spider bites usually don't produce any other symptoms. Signs and symptoms of a black widow spider bite may include: Pain. Typically beginning within an hour of being bitten, pain generally occurs around the bite mark, but it can spread from the bite site into your abdomen, back or chest.