Senior Administrative Assistant
- Hiring from
- Argentina
- Work type
- Hybrid
- Posted
- Sep 29, 2026
ZS is a place where passion changes lives. As a management consulting and technology firm focused on improving life and how we live it, we transform ideas into impact by bringing together data, science, technology and human ingenuity to deliver better outcomes for all. Here you’ll work side-by-side with a powerful collective of thinkers and experts shaping life-changing solutions for patients, caregivers and consumers, worldwide. ZSers drive impact by bringing a client-first mentality to each and every engagement. We partner collaboratively with our clients to develop custom solutions and technology products that create value and deliver company results across critical areas of their business. Bring your curiosity for learning, bold ideas, courage and passion to drive life-changing impact to ZS.
ZS’ Corporate Support teams operate the firm’s core internal enterprise functions. Our global teams comprise team-oriented, pragmatic and results-driven people who thrive in a challenging work environment. Our people come from diverse backgrounds, but share a passion for quality customer service and dedication—whether our customer is a client or another ZS employee.
Administrative Services provides support services to ZS professionals as they complete their work. The administrative services team provides administrative support, travel-planning operations, catering coordination and facilities management.
What you'll do
- Provide high-quality administrative support to consulting professionals and business leaders, helping increase productivity through effective calendar management, meeting coordination, communications, and stakeholder support.
- Coordinate complex domestic and international travel arrangements, business meetings, and events, ensuring seamless execution of logistics, materials, accommodations, and related activities.
- Prepare, format, and manage business documents, presentations, contracts, expense reports, invoices, and other administrative deliverables with a high level of accuracy and attention to detail.
- Build strong relationships with internal and external stakeholders, proactively resolving issues, managing competing priorities, and ensuring exceptional service and communication.
- Contribute to continuous improvement initiatives by identifying efficiencies, leveraging technology and AI-enabled tools, sharing best practices, and supporting special projects as needed.
What you'll bring
- High school diploma required; Associate's degree, Bachelor's degree or equivalent post-secondary education preferred
- 3+ years of experience in an Administrative Assistant, Executive Assistant or similar administrative support role, preferably within a professional services environment.
- Strong proficiency with Microsoft Office applications, including Outlook, Word, PowerPoint and Excel and AI-enabled solutions to improve efficiency and service delivery
- Exceptional organizational skills, attention to detail, and follow-through, with the ability to manage multiple priorities, adapt to changing demands, and consistently meet deadlines
- Experience coordinating complex travel, meetings and stakeholder communications
- Strong problem-solving skills and sound judgment when handling sensitive or confidential information
- Demonstrated ability to work independently while collaborating effectively within a team environment
- Professional presence and exceptional customer service orientation, with excellent verbal and written communication skills
- Positive attitude, flexibility, and a collaborative mindset
- Fluency in English
- Client-first mentality
- Intense work ethic
- Collaborative spirit and problem-solving approach
How you’ll grow:
- Cross-functional skills development & custom learning pathways
- Milestone training programs aligned to career progression opportunities
- Internal mobility paths that empower growth via s-curves, individual contribution and role expansions
Perks & Benefits:
At ZS, your growth matters. We offer a comprehensive total rewards package that supports your health and well‑being, financial future, time away, and professional development. With robust skills‑building programs, multiple career progression paths, internal mobility, and a deeply collaborative culture, you’ll have the opportunity to do meaningful work, expand your capabilities, and thrive as part of a global community. For details on total rewards in Argentina, visit ZS Argentina office locations | Where we work | ZS.
Hybrid working model:
We are committed to giving our employees a flexible and connected way of working. A flexible and connected ZS allows us to combine work from home and on-site presence at clients/ZS offices for the majority of our week. The magic of ZS culture and innovation thrives in both planned and spontaneous face-to-face connections.
Travel:
Travel is a requirement at ZS for client facing ZSers; business needs of your project and client are the priority. While some projects may be local, all client-facing ZSers should be prepared to travel as needed. Travel provides opportunities to strengthen client relationships, gain diverse experiences, and enhance professional growth by working in different environments and cultures.
Considering applying?
At ZS, we honor the visible and invisible elements of our identities, personal experiences, and belief systems—the ones that comprise us as individuals, shape who we are, and make us unique. We believe your personal interests, identities, and desire to learn are integral to your success here. We are committed to building a team that reflects a broad variety of backgrounds, perspectives, and experiences. Learn more about our inclusion and belonging efforts and the networks ZS supports to assist our ZSers in cultivating community spaces and obtaining the resources they need to thrive.
If you’re eager to grow, contribute, and bring your unique self to our work, we encourage you to apply.ZS is an equal opportunity employer and is committed to providing equal employment and advancement opportunities without regard to any class protected by applicable law.To complete your application:Candidates must possess or be able to obtain work authorization for their intended country of employment. An on-line application, including a full set of transcripts (official or unofficial), is required to be considered.NO AGENCY CALLS, PLEASE.Find Out More At:www.zs.com