Mariana Minerals
Administrative Assistant
Houston, TX · On-site · Full-time · Posted Oct 27, 2026
- Experience
- 1–3+ years preferred.
About the job
Provides administrative and executive support to the CFO, coordinates travel and expenses, supports office operations, and backs up the Executive Assistant.
What you'll do
- Coordinate calendars, appointments, meetings, and company events; prepare meeting materials as needed.
- Book and manage domestic and international travel, including last-minute changes.
- Prepare expense reports, reconcile receipts, and provide backup support to the Executive Assistant.
What they ask for
- Strong organizational skills and attention to detail.
- Excellent written and verbal communication skills.
- Proficiency in Microsoft Office.
- Ability to handle confidential information with discretion.
Nice to have
- 1–3+ years of administrative, executive, or office support experience.
- Experience with expense management and calendar systems.
Tools
Microsoft Office
Model-written summary · the original posting is authoritative