Office Administrator

Why Join Mattr?

• Multiple medical, dental & vision plan options (Blue Cross Blue Shield & VSP)

• Health Savings Account (HSA) with monthly company contributions

• 401(k) with dollar-for-dollar match, vested from day one

• Incentive bonus plans + paid vacation & sick leave

• Employer-paid Life, AD&D, and Long-Term Disability insurance

• Wellness incentives

• Free Employee Assistance Program (EAP)

• Discounts on fitness, shopping & travel (Blue
365, Life Mart & more)

• Onsite parking + staff social events

Position Summary

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.

Responsibilities

Office Operations

• 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.

Accounts Payable & Expense Support

• Process invoices through the ERP system.
• Review employee expense reports in Concur for accuracy.
• Support additional accounting and finance-related tasks.

Facilities & Workplace Coordination

• 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.

Communication & Events

• Share office updates, process changes, and facilities information.
• Assist with meetings, luncheons, and internal events.
• Prepare office communications such as memos and announcements.

Budget & Administrative Support

• Track office expenditures, budgets, and cost-saving opportunities.
• Manage petty cash, credit card reconciliations, and administrative financial documentation.

Qualifications

• 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.

Compensation: $55,000 - $60,000 annually based on experience.

We are always looking to add great people to the Mattr family, people whose skills and goals match our mission and values. If you are looking for an opportunity to work in a dynamic team environment where integrity and passion drives operational excellence, Mattr is for you!

Mattr is an equal opportunity employer.

Applications will be accepted until the position is filled. We thank all applicants for their interest, but only those selected for an interview will be contacted.