Senior Administrative Assistant

ZS; Chicago (IL); On-site; USD 52,000 - 76,000; Full time

Job summary

ZS is seeking a Senior Administrative Assistant for Enterprise Support in Chicago. The role supports executive leadership, coordinates calendars, travel, expenses, and internal communications. The team emphasizes collaboration across US and India, with hybrid work options and on-site duties at the Merchandise Mart office.

Hours are 8:30 am – 5:00 pm, Monday through Friday. A proactive, detail-oriented professional with MS Office proficiency will thrive in this fast-paced environment within a

Qualifications

• High school diploma required.
• Associate's or Bachelor's degree preferred.
• At least three years of administrative or executive assistant experience.
• Proficient in MS Office; strong communication skills.

Responsibilities

• Form partnerships with stakeholders to proactively address needs and increase productivity of enterprise executives.
• Prepare domestic and international travel logistics, including itineraries and visa coordination.
• Provide advanced scheduling support across multiple individuals with calendar management.
• Process expense reports and invoices in compliance with firm policies.
• Coordinate leadership meetings including calendars, agendas, and logistics (AV/IT, facilities, catering).
• Support preparation and quality review of deliverables, including formatting and updates to presentations and reports.
• Mentor and train new hires and junior members; contribute to knowledge sharing.

Skills

MS Office

Education

High school diploma

Associate/Bachelor preferred

Job description

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’s Corporate Enterprise Functions operate the firm’s core internal 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 increases the productivity of ZS professionals as they complete their work. The administrative services team provides administrative support, travel-planning operations, catering coordination, and facilities management.

Senior Administrative Assistant – Enterprise Support

We seek an experienced senior administrative professional to support executive-level enterprise leadership in our Chicago – Merchandise Martoffice. This person should be highly organized and a self-starter, willing to manage critical administrative and operational tasks, taking on ad hoc projects to support the team and more. This role provides opportunities for project coordination, relationship development, and administrative support for the leadership team. Interpersonal and Microsoft skills are a must.

What You'll Do:

• Form partnerships with stakeholders to proactively address expected needs and increase productivity of enterprise executives;
• Prepare domestic and international travel logistics, including itineraries and visa coordination;
• Provide advanced scheduling support to multiple individuals, including appointment, calendar and meeting management, and calendar empathy;
• Process expense reports and invoices in compliance with current firm policies and compliance guidelines;
• Coordinate team leadership meetings, including calendaring, agenda management, and logistical support (AV/IT support, facility reservation and set-up, hotel accommodations, catering, etc.);
• Work with ZS teams across the United States and India;
• Assist with communications and documentation, including organizing correspondence, tracking requests, maintaining shared project files, tracking contracts, and printing, organizing, and archiving meeting support materials;
• Support preparation and quality review of deliverables, including formatting proofing, and coordination of updates to presentations, reports, and supporting documentation;
• Identify and address problems and troubleshoot with internal and external stakeholders;
• Participate in the administrative team recruitment process;
• Facilitate onboarding of new team members (welcome new joiners, provide client system access, direct access to compliance training, etc.);
• Mentor and train new hires and junior members of the team and contribute to knowledge sharing and local learning initiatives;
• Lead and drive internal initiatives. Contribute to firm service initiatives within local office;
• Complete administrative processes and assist with special projects as requested;
• Utilize all available resources, including AI enabled tools, to create efficiencies;
• Provide back-up support as needed;
• Hours are 8:30 am – 5:00 pm.

What You'll Bring:

• High school diploma required; post-secondary education or Associate’s/Bachelor’s degree preferred;
• At least three years of prior relevant experience as an administrative/executive assistant required, preferably in a professional services environment;
• Fluent in MS Office (Word, PowerPoint, Excel and Outlook), travel and expense reporting applications;
• Strong oral and written communication skills;
• Professional appearance and demeanor with ability to exercise good judgment and discretion;
• Attention to detail, dependability, punctuality;
• Proactive self-starter with ability to manage a wide variety of tasks and meet deadlines;
• Experience working both independently and with a team in a demanding environment;
• Sense of humor appreciated;
• Fluency in English, with excellent oral and written communication skills.
• A client-first approach.
• A strong commitment to high-quality work.
• A collaborative approach to solving problems.

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 United States, visit ZS US 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.

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.

Work Authorization:

This position is not eligible for visa sponsorship. Candidates must have authorization to work in the United States that does not now or in the future require employer sponsorship.

Find Out More At: www.zs.com