Milestone One is a Site Enabling Organization with global headquarters in Zug, Switzerland. We understand what clinical study sites need, and our mission is to strengthen study delivery by connecting sponsors, CROs, and medical institutions through strategic partnerships that accelerate clinical research.
Please submit CV in English.
The Milestone One Senior Clinical Site Coordinator is a key member of the Operations team, taking hands-on responsibility for the preparation, activation, and day-to-day coordination of clinical trial activities at Milestone One-supported investigator sites in Argentina, initially focusing on strategically important sites.
We are looking for an experienced and autonomous Senior Clinical Site Coordinator who can work directly with investigators, hospital departments, CRAs, CTMs, and study vendors without close day-to-day supervision. This role requires the ability to establish operational processes in sites where the clinical research structure may still be developing, while operating strictly within formally delegated and authorized activities.
In this role you will:
Education:
University degree in life science, pharmacy, nursing, lab analytics or related
Experience
Knowledge & Skills
Hybrid and field-based The candidate may be based in Buenos Aires City, Greater Buenos Aires, La Plata, or the surrounding area. On-site presence will be required according to site- and study-specific operational needs, particularly during site setup, activation, screening, participant visits, monitoring activities, and other protocol-critical periods. Remote work may be possible when activities do not require physical presence at the institution.
Type of Contract: B2B
Development Opportunities A strong performer may progressively assume broader Lead Site Coordinator responsibilities and support additional institutions as the Milestone One network in the Buenos Aires region expands.
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!

PSI is a leading full-service global Contract Research Organization whose key strength is predictable patient enrollment across multiple therapeutic areas.
PSI is known in the industry as a CRO focused on ‘on-time project delivery’. This is achieved through investing substantial effort and MD resources into performing quality feasibility assessments that provide an accurate predictor of study timelines.
PSI’s global reach allows us to run clinical trials across multiple continents, in 50+ countries around the world.
PSI’s reputation is that of a 'no-nonsense' CRO focused on timely patient enrollment and project delivery. An exceptionally high repeat and referral business rates alongside low staff turnover are indicative of our commitment to be the best CRO in the world as measured by our clients and our employees.
http://www.psi-cro.com