Security Clearance Background Investigator

Also called: DCSA investigator, Contract background investigator

Interviews people and checks records to decide whether someone can be trusted with a security clearance.

A day in the life

Investigators drive to neighborhoods, workplaces, and schools to interview an applicant's friends and coworkers, check police and credit records, and write detailed reports. The government processes millions of clearances. Many investigators are veterans or former police.

Pay over a career

Starting
$48k
Typical
$72k
High
$105k

Estimate; federal GS pay higher than BLS private detectives (~$52k).

Approximate: anchored on Bureau of Labor Statistics data for a broader job group.

Training

Bachelor's degree (4-year), about 4 years after high school. Bachelor's or equivalent experience; federal investigator training.

Ways in: 4-year college, On-the-job training. Training cost: $15k – $60k.

Majors to look at: Criminal Justice, Psychology.

Outlook

Growing about average. Demand follows clearance backlogs.

Will it last? Our AI estimate

Medium risk in 5 years, high in 10. Continuous automated records checks replace many periodic investigations; fewer field interviews needed.

Start now, in high school

Classes: Psychology, English composition, Government / Civics.

Official data: O*NET occupation 33-9021.

More Defense Industry & Contracting careers

Career Universe is an early version. Pay, training and AI-risk figures are estimates to start your own research, not verified facts. The research was written with AI research assistants, checked by validation scripts and spot-checked by hand. Check anything important with schools, employers and official sources. How the numbers work.