Job Description

onsemi is seeking a highly organized and proactive Office Administrator to support our R&D team in Cork, Ireland on a part time (3days per week), permanent basis. This hybrid role combines executive support with office administration and is ideal for someone who enjoys variety, takes initiative, and is comfortable using modern productivity tools including Microsoft Copilot. This position will report to the VP of R&D.

Executive Support

  • Manage Microsoft Outlook calendars for R&D leadership, including scheduling meetings, resolving conflicts, and coordinating with global teams.
  • Prepare and update basic presentations in Microsoft PowerPoint.
  • Perform simple data analysis in Microsoft Excel (formulas, charts, sorting/filtering).
  • Use Microsoft Copilot or similar AI tools to streamline tasks such as document generation, summarization, and data interpretation.

    • Office Administration

  • Maintain a well‑organized and fully sto...

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