Sr. Administrative Assistant

Senior Administrative Assistant

This is a 3-month, full-time (40 hours/week), on-site contract role located in New York, NY (5th Avenue).

Summary

We are seeking an experienced Administrative Assistant to provide high-level support to senior managers and broader department teams. This role manages a wide range of administrative functions including scheduling, travel coordination, correspondence, and acting as the first point of contact for internal and external inquiries. The Administrative Assistant ensures smooth daily operations while supporting leadership and team efficiency.

Our Ideal Candidate

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  5+ years of experience as an administrative assistant or in a similar role

  
  
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  Passion for operational excellence with a strong foundation in administrative and organizational skills

  
  
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  Proficient in Microsoft Office Suite (Outlook, Word, Excel, PowerPoint) with strong document and presentation preparation skills

  
  
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  Familiar with standard office systems, scheduling tools, and expense reporting processes

  
  
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  Skilled in collaborating with senior leaders, cross-functional teams, and external partners

  
  
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  Able to work independently and manage multiple projects, deadlines, and priorities simultaneously

  
  
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  Flexible and adaptable to changing needs, timelines, and stakeholders

  
  
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  Strong written and verbal communication with exceptional attention to detail

  
  
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  Professional, service-oriented, and capable of exercising discretion and judgment in handling confidential information

  
  

Job Description

In this role, you will provide day-to-day administrative support to senior managers and their teams. You'll partner with leadership and staff to ensure efficient scheduling, travel arrangements, meeting coordination, and expense management. This includes managing calendars, organizing logistics for meetings, preparing documents, and creating reports and presentations. You will also serve as the first point of contact for inquiries, supporting team operations and maintaining a professional and welcoming environment.

Education and Experience

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  Bachelor's degree in business administration, communications, or a related field (or equivalent practical experience)

  
  
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  Background in administrative support, operations, or business services

  
  
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  Preferred: experience supporting executives or senior leadership in a corporate environment

  
  

Additional Requirements

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  This opportunity is located in New York, NY (5th Avenue) and requires on-site presence

  
  
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  The pay for this W-2 position ranges from $40 - $41.38 per hour

  
  
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  This position may be eligible for PTO, health and dental insurance, and/or 401(k) benefits upon meeting certain length of service and hours requirements

  
  

Mathys+Potestio values applicants of all backgrounds and experiences. We do not discriminate based on race, color, national or ethnic origin, ancestry, age, religion or religious creed, disability or handicap, sex or gender, gender identity and/or expression, sexual orientation, military or veteran status, genetic information, or any other characteristic protected under applicable federal, state, or local law.

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