PSTi Investigator expertise includes pre-employment background investigations, third-party investigations, workplace investigations and internal affairs investigations. PSTi is actively seeking applications for part-time Pre-Employment Background Investigators. PSTi Investigators enjoy flexible schedules/workloads, working mostly from home, and full time office support. PSTi provides additional paid training and Washington State Private Investigator licensing.


Qualifications include at least 3 years of full-time investigative experience as a sworn law enforcement officer or criminal prosecutor; no sustained workplace integrity complaints; left all qualifying employment in good standing; and successfully completed at least 24 hours of specialized investigator training (e.g. criminal, pre-employment backgrounds, EEO/workplace harassment, internal affairs, etc.). Preference will be given to applicants with extensive pre-employment background investigator experience.

If interested, send the following to

  • Your current resume
  • Professional writing sample (redacted as appropriate)
  • Three professional reference names and contact information

PST Investigations (PSTi) is the Investigations Division of Public Safety Testing, Inc. PSTi employs dozens of Investigators who complete hundreds of investigations each year.