Mariana Minerals is a software-first, vertically integrated minerals company focused on supplying the minerals critical to modern energy, AI, and defense technologies. Backed by Khosla and a16z.
About the role
The Administrative Assistant will provide administrative / executive support to the CFO, including calendar and travel coordination and expense management, while also supporting day-to-day office operations. The role will also serve as backup to the Executive Assistant as needed. This position requires strong communication skills, flexibility, sound judgment, and the ability to manage competing priorities in a fast-paced environment. Found on 1752vc Careers, the job board for startup and VC roles.
What they're looking for
- 1–3+ years of administrative / executive or office support experience preferred
- Strong organizational skills and attention to detail
- Excellent written and verbal communication skills
- Proficiency in Microsoft Office
- Experience with expense management and calendar systems preferred
- Ability to handle confidential information with discretion
More about this role
Mariana Minerals is a software-first, vertically integrated minerals company on a mission to supply the critical minerals powering modern energy, AI, and defense technologies. We’re reimagining the minerals supply chain by combining deep industry expertise with advanced software, automation, and data-driven decision-making.
The Administrative Assistant will provide administrative / executive support to the CFO, including calendar and travel coordination and expense management, while also supporting day-to-day office operations. The role will also serve as backup to the Executive Assistant as needed. This position requires strong communication skills, flexibility, sound judgment, and the ability to manage competing priorities in a fast-paced environment. This role is ideal for someone early in their career who is detail-oriented, resourceful, and eager to grow within an operations or executive support function.
Assist with scheduling meetings, managing calendars, and coordinating internal and external appointments
Help prepare meeting materials, agendas, and notes as needed
Support coordination of cross-functional meetings and company events
Book and manage domestic and...
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