Clinical Trial Assistant — TMF Specialist | San Diego, CA

GeoSera; California; On-site; USD 55,000 - 75,000; Full time

Job summary

GeoSera LLC in California is seeking a detail-oriented Clinical Trial Assistant with substantial hands-on TMF experience. You will manage TMF documentation, ensure inspect readiness, and support quality execution in a fast-paced clinical research environment.

The role requires on-site work in the San Diego area, strong document control skills, ability to identify and resolve discrepancies, and collaboration with study teams to maintain accurate records and filing timelines.

Qualifications

• Hands-on TMF management including collection, review, filing, reconciliation, and QC.
• Experience with eTMF systems and document management workflows.
• Ability to identify discrepancies and close documentation gaps.
• On-site availability in the San Diego area.

Responsibilities

• Support clinical trials as a CTA.
• Ensure TMF completeness and inspection readiness.
• Maintain accurate trial documentation and timelines.
• Coordinate with study teams to resolve gaps.

Skills

CTA experience

TMF experience

eTMF systems

Document control

Inspection readiness

Quality assurance

Record keeping

Tools

eTMF software

Job description

Engagement: Contract; terms to be confirmed

GeoSera is seeking a detail-oriented Clinical Trial Assistant with substantial, hands‑on experience managing Trial Master File (TMF) documentation in a clinical research environment.

This role requires more than familiarity with TMF terminology. We are looking for someone who can demonstrate document control, inspection readiness, quality execution, and reliable follow-through.

Required qualifications

• Demonstrated CTA experience supporting clinical trials.
• Significant hands‑on TMF experience, including document collection, review, filing, reconciliation, and quality control.
• Working knowledge of TMF completeness, document quality, filing timelines, and inspection readiness.
• Experience with electronic Trial Master File (eTMF) systems and document management workflows.
• Ability to identify discrepancies, resolve documentation gaps, and maintain accurate records.
• Availability to work onsite in the San Diego area.