Core Duties and Responsibilities
Office Administration: Answering, screening, and directing phone calls; greeting clients; managing incoming/outgoing mail.
Calendar Management: Scheduling appointments, meetings, and conferences for staff or executives.
Communication & Documentation: Preparing, editing, and distributing correspondence, reports, memos, and emails.
Data & Records Management: Maintaining physical and electronic filing systems, ensuring data accuracy.
Office Support: Ordering office supplies, maintaining inventory, and arranging travel.
Specialized Support: In some roles, performing basic bookkeeping, invoicing, or assisting with project-based tasks.
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Job Requirements and Qualifications
Education: High school diploma or equivalent is required; an associate degree or certificate in administration is often preferred.
Technical Skills: Proficiency in Microsoft Office (Word, Excel, PowerPoint, Outlook) or Google Workspace (Docs, Sheets, Slides, Gmail).
Experience: Proven experience as an administrative assistant, receptionist, or similar role.
Soft Skills: Strong organizational skills, attention to detail, excellent verbal/written communication, and ability to multitask.
Indeed +4
Other open roles at Obsidiansystems(5)
We build the hard parts of regulated capital markets, AI safety, and the infrastructure they depend on.
Key team members

Catherine Muller

Muggie van Staden

Karl Fischer

Bennie Kahler-Venter
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