Thermo Fisher Scientific
Sr Administrative Assistant

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Work Schedule
Standard (Mon-Fri)
Environmental Conditions
- Adherence to all Good Manufacturing Practices (GMP)
- Safety Standards
- Cleanroom: no hair products, jewelry, makeup, nail polish, perfume, exposed piercings, facial hair, etc., allowed
- Office
- Some degree of PPE (Personal Protective Equipment) required (safety glasses, gowning, gloves, lab coat, ear plugs, etc.)
- Warehouse
Job Description
As part of the Thermo Fisher Scientific team, you’ll discover meaningful work that makes a positive impact on a global scale. Join our colleagues in bringing our Mission to life every single day to enable our customers to make the world healthier, cleaner and safer. We provide our global teams with the resources needed to achieve individual career goals while helping to take science a step beyond by developing solutions for some of the world’s toughest challenges, like protecting the environment, making sure our food is safe, or helping find cures for cancer.
DESCRIPTION
Join us as a Sr Administrative Assistant providing high-level support to executive leadership at Thermo Fisher Scientific. You'll contribute to our mission of making the world healthier, cleaner, and safer by managing complex calendars, coordinating travel, facilitating communications, and ensuring effective office operations.
In this role, you'll work closely with senior leaders, handling confidential information with discretion while demonstrating exceptional organizational abilities and attention to detail. You'll coordinate meetings and events, prepare professional communications and presentations, manage expenses and vendor relationships, and serve as a key liaison between executives and internal/external stakeholders. Your thoughtful approach and ability to anticipate needs will help drive operational excellence across the organization.
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
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Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
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REQUIREMENTS
- Strong background in PA executive administrative support experience, preferably in a large organization
- Preferred Fields of Study: Business Administration or related field
- Expert proficiency in Microsoft Office Suite (Outlook, Word, Excel, PowerPoint)
- Outstanding calendar management and scheduling abilities across multiple time zones
- Exceptional written and verbal communication skills with strong attention to detail
- Demonstrated ability to handle confidential information with discretion and professionalism
- Strong organizational and time management skills with ability to prioritize multiple priorities
- Experience coordinating complex travel arrangements
- Proven ability to work independently and exercise good judgment in a deadline-oriented environment
- Experience planning and executing meetings, events, and presentations
- Proficiency with expense reporting systems and purchase order processing
- Ability to build strong relationships across the organization
- Availability to support occasional off-hours needs
- Additional languages preferred
- Experience with Concur, Workday, and other enterprise systems preferred
About Thermo Fisher
Our Mission is to enable our customers to make the world healthier, cleaner, and safer. Watch as our colleagues explain 5 reasons to work with us. As one team of 100,000+ colleagues, we share a common set of values - Integrity, Intensity, Innovation, and Involvement - working together to accelerate research, solve complex scientific challenges, drive technological innovation, and support patients in need.
#StartYourStory at Thermo Fisher Scientific, where diverse experiences, backgrounds, and perspectives are valued. Thank you for your interest as you consider starting a new career journey with us. As the world leader in serving science, our colleagues develop critical solutions through innovation—and build rewarding careers. Discover their extraordinary stories and connection to our Mission to enable our customers to make the world healthier, cleaner, and safer. Their work is a story of purpose. What story will you tell?


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Thermo Fisher Scientific Inc. is the world leader in serving science, with annual revenue of more than $40 billion. Our Mission is to enable our customers to make the world healthier, cleaner, and safer. Whether our customers are accelerating life sciences research, solving complex analytical challenges, increasing productivity in their laboratories, improving patient health through diagnostics, or the development and manufacture of life-changing therapies, we are here to support them. Our global team delivers an unrivaled combination of innovative technologies, purchasing convenience, and pharmaceutical services through our industry-leading brands, including Thermo Scientific, Applied Biosystems, Invitrogen, Fisher Scientific, Unity Lab Services, Patheon, and PPD.
We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.
Thermo Fisher Scientific is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, creed, religion, color, national or ethnic origin, citizenship, sex, sexual orientation, gender identity and expression, genetic information, veteran status, age, or disability status.
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