Administrative Assistant; Giddings, TX

Magnolia Oil & Gas is seeking an Administrative Assistant to support our field office in Giddings, TX. This role handles general office support and accounting duties such as invoice coding and processing. The Administrative Assistant serves as a critical link between the administration team and operational leaders, assisting with functions like accounts payable, time and expense tracking, and invoice reconciliation.

• Answer telephones and greet visitors.
• Evaluate, code, and process inbound invoices in Open Invoice.
• Collect and distribute mail.
• Enter data and generate reports using various operational systems.
• Compile and send weekly and monthly run tickets to the corporate office.
• Provide general administrative support to operational leaders.

• High school diploma or equivalent, required.
• 3+ years of experience in a similar administrative role, preferred.
• Good time‑management, communication, and interpersonal skills.
• Proficient in Microsoft Office applications, including Outlook, Excel, and Word.
• Excellent attention to detail.
• General analytical and basic math skills.
• Able to multitask and manage competing priorities effectively.

We offer a results‑focused workplace, competitive compensation and benefits, and career‑growth opportunities. You can join a team that safeguards workers and the environment, strengthens communities, and increases value for all stakeholders.

Magnolia Oil & Gas is proud to be an Equal Employment Opportunity Employer. Employment decisions are based on business need, job requirements, and individual qualifications, without regard to race, religion, color, national origin, gender (including pregnancy), age, status as a protected veteran, or status as an individual with a disability, in accordance with applicable laws and regulations. Magnolia Oil & Gas will not tolerate discrimination or harassment on the basis of any of these characteristics.

If you need an accommodation due to a disability, please contact us at

• Entry level

• Full‑time

• Administrative

• Oil and Gas