Clinical Trials Lead Site Coordinator

PSI CRO·Mendoza, Mendoza, Argentina

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About the role

Hybrid Clinical Trials Lead Site Coordinator role in Mendoza, Argentina. Supports clinical trial sites, serving as the communication link among sponsors, CROs and sites; coordinating monitoring visits, enrollment, data entry, safety reporting, investigational products, regulatory documents, payments, audits and study procedures. Requires a college or university degree in Life Science and at least three years of relevant clinical trial experience. Upper-Intermediate English is required.

Key requirements

• College or university degree in Life Science, preferably in pharmacy, nursing or lab analytics.
• At least 3 years of relevant experience
• Required skills: Clinical trial environment experience, Clinical terminology, Medical research, Study coordination or similar site coordination, ICH-GCP compliance, Protocol adherence, Patient enrollment tracking, Monitoring visit support, Electronic data capture (EDC) data entry, Data query resolution, Adverse event reporting and follow-up, Protocol deviation reporting and follow-up, Investigational product and clinical supply accountability, Regulatory document management, Clinical trial contract and budget support, Site payment process support, Study procedure scheduling or performance, Audit and regulatory inspection support, Communication with sponsors, CROs and medical institutions, Problem-solving
• Required language: English

Opportunity details

• Workplace: Hybrid
• Posted: Sep 30, 2026
• Original advert language: English

Employer’s role description

Job title: Clinical Trials Lead Site Coordinator

Location: Mendoza, Mendoza, Argentina

Employment type: Full-time

Workplace type: Hybrid

Company Description

Milestone One is a Site Enabling Services organization with global headquarters in Zug, Switzerland. We understand what clinical study sites need and our overall mission is to support sites in stronger study delivery.

Please submit CV in English.

Job Description

Milestone One Site Coordinator supports trial sites in all related activities according to ICH-GCP, protocol requirements within Study specific defined timelines and enrollment goals.

In this role you will:

Act as the main line of communication between the Sponsor or CRO and the site.
Ensure response to feasibility questions are provided in due time.
Assist in scheduling and preparation for all types of monitoring visits at the medical institution/research center.
Be present and available to respond to monitors during all types of monitoring visits conducted at the medical institution.
Track patient enrollment and actively support the medical site and CRO/Sponsor team in meeting project timelines and enrollment goals.
Maintain study specific and general tracking of documents at the site level.
Accurate and timely data entry into study specific EDC systems and timely resolution of data clarification queries issued for the site.
Timely reporting and follow up on Reportable Adverse Events and Protocol Deviations.
Proper handling, accountability and reconciliation of investigational products and clinical supplies.
Collect, handle and maintain all site-specific regulatory documents as needed.
Facilitate and support the contract and budget negotiations at the site level.
Support Investigator and Site payments and processes as needed.
Schedule and/or perform study procedures as per study requirements and delegation of responsibilities.
Prepare for and participate in onsite study audits or regulatory agency inspections.
Build and sustain long-lasting relationships with existing and potential clients (sponsors, CROs, medical institutions).

Qualifications

College or university degree in Life Science, preferably in pharmacy, nursing or lab analytics.
Minimum of 3 years of on-the-job experience in a clinical trial environment, where relevant experience has been gained in clinical trials, clinical terminology, and medical research working in the role of a Study Coordinator or similar function.
Upper-Intermediate level of English, with the ability to work in a global team environment.
Ability to work in a fast-paced environment, with short timelines and multiple tasks to be completed simultaneously.
Ability to effectively communicate in stressful situations and demonstrate the ability to problem-solve in an effective and efficient manner.
Flexibility in working hours may be required depending on the schedule of study procedures and/or patient visits.
Strong interest in professional growth and development within the company.

Additional Information

If you feel it is time to make your skills and knowledge visible within a developing company with true focus on its people, then Milestone One is the right choice for you!