Executive Assistant (US, UK, Serbia)

Join a global Contract Resource Organization (CRO) where innovation meets purpose. At

Worldwide Clinical Trials , we're driven by a shared commitment to improving lives through high-quality clinical research. Our teams are empowered to think creatively, take ownership, and deliver meaningful work that helps bring life-changing therapies to patients around the world.

With more than 4,000 professionals across the globe, we foster a collaborative and inclusive environment where diverse perspectives are valued, growth is encouraged, and every contribution makes an impact. Whether you're building your career or bringing years of experience, you'll have the opportunity to learn, grow, and help shape the future of clinical research.

Make an Impact as an Executive Assistant at Worldwide

In this role, you’ll be a trusted partner to senior leaders, helping them stay focused, organized, and effective in a fast-paced global environment. Your ability to anticipate needs, manage competing priorities, and handle sensitive information with discretion will directly support executive decision-making and business success.

You’ll coordinate complex schedules, international travel, leadership meetings, and key business activities across multiple time zones. Working closely with colleagues and stakeholders around the world, you’ll play a central role in ensuring seamless day-to-day operations while delivering an exceptional level of support and professionalism.

This is an opportunity to work at the heart of the business, building strong relationships with senior executives and global teams while managing a diverse range of responsibilities that require initiative, attention to detail, and adaptability.

Where You'll Work This is a REMOTE role open to candidates based in US, UK, Serbia. You will collaborate with global teams across multiple time zones.

What You'll Do Provide high-level administrative support to C-suite executives, ensuring priorities are managed effectively and efficiently. Coordinate complex calendar management, including leadership meetings, direct report interactions, and global scheduling across multiple time zones. Arrange domestic and international travel, creating detailed itineraries and supporting visa requirements where needed. Prepare, proofread, edit, and format business correspondence, presentations, reports, and other professional documentation. Build and maintain strong relationships with executives, colleagues, business partners, and external stakeholders. Manage SharePoint calendars and help ensure events and key activities are communicated and maintained accurately. Organize off-site meetings, conferences, and executive events to support business objectives. Handle confidential and sensitive information with the highest level of discretion and professionalism. Adapt quickly to changing priorities and proactively address administrative challenges to keep executive activities running smoothly.

What You'll Bring Education and relevant business experience that demonstrates success in an executive support or administrative role. 2-4 years of experience working as an Executive Assistant and 5+ years of overall office/business experience. Proficiency in English. Strong expertise in Microsoft Office applications, with the ability to create professional internal and external business materials; experience with Microsoft Teams is a plus. Experience coordinating complex domestic and international travel arrangements; familiarity with Concur is a plus. Excellent organizational skills with the ability to prioritize effectively, manage multiple activities simultaneously, and maintain exceptional attention to detail. Strong interpersonal, communication, and relationship-building skills, with confidence interacting with senior executives and external stakeholders. Demonstrated critical thinking, problem-solving ability, adaptability, and a proactive approach to anticipating changing business needs.

Discover the Difference

We love knowing that someone is going to have a better life because of the work we do. Discover the Difference at Worldwide Clinical Trials. Explore additional opportunities on our careers page, visit

, or connect with us on

LinkedIn .

At Worldwide Clinical Trials, we are committed to fostering an inclusive and equitable workplace by providing transparent compensation.

The salary range for this position is annually (For hourly paid positions, the stated salary range reflects hourly rates):

United States of America - $65,000.00 - $129,000.00 The salary range provided is intended to give candidates an understanding of potential earnings. Compensation will fall within the provided range, and it not a guarantee of exact salary. The final salary will be determined based on relevant experience, performance, education, and internal equity. In addition to base salary, we offer a competitive benefits package depending on location. We ensure pay equity and transparency and comply with all applicable labor laws. Salary information will be discussed during the interview process, and we encourage candidates to inquire about compensation at any stage.

Worldwide is an equal opportunity employer that is committed to enabling professionals from all backgrounds and experiences to succeed and, to that end, we prioritize attracting diverse talent and cultivating an inclusive environment that encourages collaboration and creativity. We know that when our employees feel appreciated and included, they can be more creative, innovative, and successful. We’re on a mission to hire the very best and are committed to creating exceptional employee experiences where everyone is respected and has access to equal opportunity. We provide equal employment opportunities to all employees and applicants regardless of race, color, ethnicity, ancestry, religion, national origin, gender, sex, gender identity or expression, sexual orientation, age, citizenship, marital or parental status, disability, military status, or other class protected by applicable law .