Office Administrator

Mattr•Houston, TX

10h•$55,000 - $60,000•Onsite

About The Position

The Office Administrator is a key support role responsible for ensuring smooth daily operations at our Houston corporate office. This position supports office administration, facilities coordination, financial processing, and employee interaction—directly contributing to organizational efficiency and an excellent employee experience.

Requirements

2-year College Certificate in Office Administration (or related field) with 3–5 years of experience OR 3-year Diploma in Business Administration (or related field) with 5–7 years of experience
Strong organizational, multitasking, communication, and interpersonal skills.
Proficiency in Microsoft Office; experience with Concur strongly preferred.
Self‑driven, adaptable, detail‑oriented, and comfortable juggling multiple tasks independently.
Professionalism and the ability to maintain confidentiality in all situations.

Responsibilities

Serve as the primary receptionist and first point of contact for employees and visitors.
Manage office supplies, inventory, equipment, mail, courier services, and filing systems.
Coordinate administrative support across departments and maintain organized office processes.
Process invoices through the ERP system.
Review employee expense reports in Concur for accuracy.
Support additional accounting and finance-related tasks.
Oversee workspace assignments, office setup for new hires, and offboarding procedures.
Coordinate repairs, maintenance, cleaning services, and vendor relationships.
Act as the liaison with building management and external service providers.
Ensure compliance with policies, confidentiality requirements, and facility standards.
Share office updates, process changes, and facilities information.
Assist with meetings, luncheons, and internal events.
Prepare office communications such as memos and announcements.
Track office expenditures, budgets, and cost-saving opportunities.
Manage petty cash, credit card reconciliations, and administrative financial documentation.