# Sr. Administrative Assistant / Office Manager, Office of the CEO at Alta Resource Technologies

- Company: Alta Resource Technologies
- What the company does: Alta Resource Technologies focuses on transforming mining technology through innovative methods in mineral separation and the sourcing of critical raw materials. Backed by DCVC (Data Collective).
- Company website: https://altatech.io
- Type: Startups
- Level: Senior
- Location: Boulder, CO
- Work setup: On-site
- Pay: $80K to $95K base salary per year (USD)
- Posted: 2026-08-28
- Apply by: 2026-10-14
- Apply: https://job-boards.greenhouse.io/altaresourcetechnologiesinc/jobs/4387386009
- Page: https://www.1752.vc/careers/jobs/alta-resource-technologies-sr-administrative-assistant-office-manager-office-of/

## About the role

This role is evaluated on reliability and on the capacity it creates for others. Within the first year:

## What they're looking for

- Plan and execute company events, team gatherings, and all-hands meetings across sites
- Coordinate logistics for board meetings and investor visits, including catering, materials, and on site arrangements
- Contribute to a consistent employee experience across all Alta locations
- Executive scheduling runs without escalation, conflicts are resolved at this level rather than passed upward
- Travel and expense administration is fully owned, with reimbursements and reconciliations current
- Office and workplace operations run on documented, repeatable processes rather than institutional memory

Tags: G&A