The posting
Job Description
onsemi is seeking an Administrative Assistant to provide comprehensive administrative and operational support to the site and senior leadership. The successful candidate will work in a dynamic environment and serve as a key point of contact for employees, visitors, vendors, and internal stakeholders.
Salary: Annual salary starting from €32,000, with the final offer depending on the candidate’s experience and qualifications.
Responsibilities
- Serve as the first point of contact for visitors, coordinate their onsite needs, provide front desk support, and act as a security liaison for the building entrance.
- Provide administrative support to the Senior Technology Director, including reports, presentations, correspondence, calendar coordination, international travel arrangements, and expense management.
- Schedule and coordinate meetings, conference calls, conference rooms, equipment, and supporting documentation for customer, staff, and site meetings.
- Coordinate office activities and day-to-day operations, including office supplies, incoming mail, mailboxes, lockers, cubicles, offices, and business cards.
- Coordinate vendor, supplier, and facilities management activities, including communication with external service providers, work requests, and trouble tickets.
- Prepare and maintain reports, Excel-based data, PowerPoint presentations, organizational charts, SharePoint/intranet content, and site-wide communications.
- Support Purchase Requisitions, Purchase Orders, invoicing, and related administrative processes for software, hardware, services, and other business needs.
- Provide HR administrative support, including onboarding, offboarding, new employee setup/GCOAS, and attendance management.
- Provide administrative support related to Health & Safety and compliance responsibilities, including required documentation and communication.
- Support Benefits and Compensation administration, including Fleet, mobile phone, and certified correspondence (PEC) administration.
- Coordinate and provide administrative and logistical support for trade shows, sales events, corporate events, Map Day, audits, customer meetings, international visitors, and other site activities.
- Act as a key point of contact for site-wide administrative inquiries and provide a high level of customer service while managing multiple priorities.
Qualifications
- Previous experience in an administrative assistant, office administration, executive support, or similar role.
- Strong organizational and time-management skills with the ability to manage multiple priorities.
- Excellent verbal and written communication skills.
- Strong attention to detail and a high level of accuracy.
- Ability to work independently as well as collaboratively in a dynamic team environment.
- Professional and customer-oriented approach when interacting with senior leadership, employees, visitors, vendors, and suppliers.
- Proficiency in Microsoft Office applications, particularly Outlook, Word, Excel, and PowerPoint.
- Ability to prepare reports, presentations, and business correspondence.
- Ability to handle sensitive and confidential information appropriately.
- Flexibility and willingness to support a broad range of administrative and site activities.
Current position is also opened to workers belonging to categoria protetta.
About Us
onsemi (Nasdaq: ON) is driving disruptive innovations to help build a better future. With a focus on automotive and industrial end-markets, the company is accelerating change in megatrends such as vehicle electrification and safety, sustainable energy grids, industrial automation, and 5G and cloud infrastructure. With a highly differentiated and innovative product portfolio, onsemi creates intelligent power and sensing technologies that solve the world’s most complex challenges and leads the way in creating a safer, cleaner, and smarter world.
More details about our company benefits can be found here:
https://www.onsemi.com/careers/career-benefits
We are committed to sourcing, attracting, and hiring high-performance innovators, while providing all candidates a positive recruitment experience that builds our brand as a great place to work.



