Be a U.S. citizen
Obtain a job that requires TS/SCI access
Accept a sponsor for the clearance process
Complete the SF-86 security questionnaire
Submit fingerprints and required identity documents
Undergo a background investigation
Complete interviews with investigators if requested
Provide references, employment history, residence history, and foreign contact details
Disclose financial, legal, drug, and personal conduct information accurately
Complete a polygraph if required by the agency
Pass adjudication for eligibility
Maintain eligibility through ongoing security reviews and reporting requirements