About This Role

Parexel is a leading global clinical development partner delivering insights-driven clinical and consulting solutions to the life sciences industry. With 22,000+ employees worldwide, we partner with biopharmaceutical companies and research sites to design and deliver patient-focused clinical trials that broaden access and make research a care option for anyone, anywhere.

We work with focus, agility, and shared purpose – moving with urgency to address patient needs and accelerate the delivery of new therapies. We embrace bold thinking, adapt quickly to change, and continually raise the bar for the speed and quality of clinical research.

We are expanding our team and seeking talented individuals to help drive industry leading innovation, With Heart.

About The Role

We are seeking a Site Contracts Leader to join our global Clinical Operations team in a remote capacity based in Mexico or Argentina. As a Site Contracts Leader, you will support clinical research activities that advance new treatments for patients.
This position plays a key role in sponsor engagement, site contracting strategy, budget management, and regulatory compliance. You'll collaborate with cross-functional teams, follow industry-standard processes, and contribute to study operations from planning through closeout.

Responsibilities include leading end-to-end site contracting strategy, managing sponsor relationships, and overseeing investigator budget development, with opportunities to deepen your expertise and influence study outcomes.

You’ll join a fast-paced, growth-oriented environment focused on making a meaningful impact through strategic client partnerships, complex negotiations, and global trial execution. With diverse teams and continuous learning opportunities, the Site Contracts Leader can explore career paths and expand skills across clinical research and contract management.

Key Responsibilities

Lead end-to-end site contracting strategy and execution for global clinical trials
Act as the primary contracting interface with sponsors, including attending sponsor calls across multiple time zones
Oversee and guide project-assigned Site Contracts teams, providing leadership, direction, and escalation support
Lead investigator budget development and assessment, ensuring alignment with protocol, country practices, and sponsor expectations
Manage timelines, budgets, and external client relationships with strong attention to detail and quality

Navigate multinational contracting landscapes and interpret complex contract requirements

You'll Thrive In This Role If You Bring

Strengths in client relationship management, strategic negotiation, and financial analysis
Experience working in clinical research, healthcare, or a regulated environment
The ability to collaborate across teams and communicate clearly with stakeholders at all levels
A patient-focused mindset and strong attention to detail
Comfort working with advanced MS Excel, including budget formulas and financial modeling

Confidence navigating complex,



multinational contracting landscapes

Required Qualifications

Bachelor's degree in a related field (law, business, economics, social sciences) or equivalent industry experience

1. 5 years of experience in site contracting or a closely related CRO role

Demonstrated experience managing timelines, budgets, and external client relationships
Strong negotiation skills and ability to interpret and explain complex contracts
Advanced proficiency in MS Excel

Integral clinical trial experience and confidence navigating multinational contracting landscapes

Preferred Qualifications

Advanced degree or certification in contract management, law, or business
Experience in multiple therapeutic areas or study phases
Familiarity with clinical trial management systems (CTMS) or electronic trial master files (eTMF)

Multilingual capabilities, particularly Spanish or Portuguese

Benefits And Compensation

For a complete list of benefits, please visit www.parexel.com/us-benefits

The actual salary offered may vary within based on several factors, including the position and level offered, skills, education, training, experience, professional achievements, and location.
Some roles may also be eligible for additional incentives, bonuses, or other compensation programs. Our Talent Acquisition team will provide details on applicable bonus plans or incentive structures for eligible positions.
We offer a comprehensive benefits package to eligible employees.
Benefits

Benefits vary by country, but Parexel is passionate about our team’s overall wellness.

Career Advancement

We believe that investing in your professional and personal development is an investment in Parexel, and we want to help you realize your full potential and career.

Meet David, a champion for disability inclusion His leadership fosters workplace and clinical research inclusivity. Explore David's inspiring journey from combat medic to Parexel VP and Disability Inclusion Business Resource Group co‑lead. Learn more

Meet Laurias: Manager, Clinical Operations
Laurias shares how Parexel has supported his career development from CRA to Clin Ops Manager and flexibility within the workplace.

Location: Argentina

Work where you will find flexible working options, a supportive atmosphere, constant learning, and more.

Clinical Operations Opportunities

Meet Andrea: Senior Initiation Clinical Research Associate

Andrea's story shows how teamwork, attention to detail and patient focus drive success at Parexel while finding fulfillment in helping innovative treatments reach patients faster.
Meet Stacy Hurt, Chief Patient Officer at Parexel




Insights on Parexel's patient‑centric approach, innovative strategies, and authentic culture in clinical research. Learn how Stacy's unique experiences shape the future of clinical trials.
Meet iCRA Twins Marina Palumbo and Anna Korelis

Double the passion and double the commitment to working With Heart. Read on to learn more about these colleagues whose family and work lives are uniquely intertwined at Parexel!

Meet Hina, an Executive Director championing excellence and empathy

Parexel's Hina Saleem, Executive Director, Clinical Operations, shares how empathy and excellence drive her approach to clinical trial optimization and authentic leadership.

Meet Margaret: Clinical Research Nurse

Find out why Margaret enjoys working as a Nurse in Clinical Research and working at Parexel, also how Parexel supports her in a way she hasn't experienced anywhere else.
Working as a Nurse in Clinical Research at Parexel
Antje and Katharina share insights into working as a Nurse in Clinical Research, where innovative medications are developed through early‑phase and first‑in‑human studies.
Video on Working With Heart - Christina's Clinical Operations Manager Perspective
View how Christina reflects on her work experience, her impact on patients and her management style of respect and growth. Christina is leading a team of Clinical Operations Leaders who manage groundbreaking trials in the biotech space.
Meet Adriane, a Senior Clinical Operations Leader sharing insights and tips
Discover Adriane's role as a Clinical Operations Leader. She shares insights into her daily responsibilities, the skills crucial for success, and the rewarding challenges she faces. Learn how Parexel supported her career development and gain inspiration from her advice on professional growth.
Parexel’s hiring process
It’s all about finding the right fit, for you and for us. Our recruiters work with you and our hiring managers to bring together a team and culture where everyone can grow and be successful.
Inclusion at Parexel
Learn how Parexel celebrates the differences our workforce and patients bring and ensures an inclusive environment.
Our work culture
Learn about our culture, perks, learning opportunities, and our corporate responsibility approach. Parexel's compassionate and results‑driven work culture prioritizes patient care and employee growth.
Working where it works for you
Parexel offers a flexible approach to work that meets your personal needs while maintaining quality delivery for patients. Choose the right work arrangement for you - in‑office, home‑based or a mix.
Benefits & Support

At Parexel, we prioritize putting people first, allowing you to achieve your best work. Explore the Flexible Work Program, our "Bravo" Recognition Program, and how we build our well‑being in our supportive culture.

New Medicines, Novel Insights Newsletter

Parexel's insight‑generation engine, our people, share perspectives on patient‑guided clinical research.

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📌 Site Contract Leader (Córdoba)
🏢 ATLAS MEDICAL SERVICES LTD. STI.
📍 Córdoba