Administrative Support Assistant

The Opportunity: Performs a range of complex administrative and operational support activities requiring interpretation of established guidelines and the ability to make judgments where standard procedures may not fully apply. Supports a broad scope of business processes within a manufacturing environment to ensure effective operations and drive efficiency. This role partners with cross-functional teams and external stakeholders to coordinate activities, manage information flow, and support site-level priorities. Responsibilities may include research, reporting, and preparation of presentations. Work may involve handling sensitive and confidential information and providing support to senior leaders. Key Responsibilities: Perform advanced administrative support activities requiring independent judgment, prioritization, and adaptation of standard procedures. Coordinate cross-functional activities and communications with internal teams and external vendors to support site operations. Conduct research, compile data, and prepare reports, dashboards, presentations, and other business materials. Support financial and operational processes such as expense tracking, cost allocation, and documentation management. Partner with Facilities/Maintenance and external vendors to coordinate building-related projects, repairs, and site updates. Track and support completion of site KPIs, ensuring accuracy and timeliness of reporting. Manage office operations, including meeting coordination, calendar management, and workspace logistics. Plan and execute site events, meetings, and trainings, including communication and logistical coordination. Oversee mailroom operations, including incoming and outgoing shipments and distribution. Maintain document control systems (electronic and physical) in compliance with company policies and regulatory requirements. Provide support for HR and Talent Acquisition processes, including interview coordination and onboarding logistics. Coordinate with IT for onboarding needs, including equipment setup, access, and workspace readiness. Communicate effectively with stakeholders at multiple levels to exchange information, ensure alignment, and drive engagement. Handle confidential information with a high degree of professionalism and discretion. Qualifications Minimum Requirements: At least 2–3 years of administrative or operational support experience, preferably in a manufacturing or industrial setting. Demonstrated ability to manage multiple priorities and work independently with minimal supervision. Strong organizational, time management, and problem-solving skills. Proficiency in Microsoft Office Suite (Excel, Word, PowerPoint, Outlook). Strong written and verbal communication skills. Preferred Qualifications: Experience supporting complex or technical business processes. Experience working with vendors and coordinating external partnerships. Familiarity with expense reporting, KPI tracking, and operational reporting tools. Experience supporting site-level or senior leadership. Disclaimer: The above statements are intended to describe the general nature and level of work being performed by employees assigned to this classification. They are not intended to be construed as an exhaustive list of all responsibilities, duties and skills required of employees assigned to this position. Avantor is proud to be an equal opportunity employer. Why Avantor? Dare to go further in your career. Join our global team of 14,000+ associates whose passion for discovery and determination to overcome challenges relentlessly advances life-changing science. The work we do changes people's lives for the better. It brings new patient treatments and therapies to market, giving a cancer survivor the chance to walk his daughter down the aisle. It enables medical devices that help a little boy hear his mom's voice for the first time. Outcomes such as these create unlimited opportunities for you to contribute your talents, learn new skills and grow your career at Avantor. We are committed to helping you on this journey through our diverse, equitable and inclusive culture which includes learning experiences to support your career growth and success. At Avantor, dare to go further and see how the impact of your contributions set science in motion to create a better world. Apply today! EEO Statement: We are an Equal Employment/Affirmative Action employer and VEVRAA Federal Contractor. We do not discriminate in hiring on the basis of sex, gender identity, sexual orientation, race, color, religious creed, national origin, physical or mental disability, protected Veteran status, or any other characteristic protected by federal, state/province, or local law. If you need a reasonable accommodation for any part of the employment process, please contact us by email at and let us know the nature of your request and your contact information. Requests for accommodation will be considered on a case-by-case basis. Please note that only inquiries concerning a request for reasonable accommodation will be responded to from this email address. For more information about equal employment opportunity protections, please view the Know Your Rights poster . Privacy Policy: We will use the personal information that you have submitted to us in order to consider your application for the relevant role. Your privacy is important to us. Please click here for our Privacy Policy which explains the purposes for which we will use your personal information and the ways in which we will handle and retain your information. It also explains the rights you have in relation to your information, and how to contact us with any queries or requests. 3rd Party Non-Solicitation Policy: By submitting candidates without having been formally assigned on and contracted for a specific job requisition by Avantor, or by failing to comply with the Avantor recruitment process, you forfeit any fee on the submitted candidates, regardless of your usual terms and conditions. Avantor works with a preferred supplier list and will take the initiative to engage with recruitment agencies based on its needs and will not be accepting any form of solicitation.