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Diamondback Energy · Midland, TX

# Field Operations Assistant

Midland, TX Administrative 

Listed on Diamondback Energy’s official careers site. Posted September 23, 2026. Check that it is still open and apply there.
[Apply on Diamondback Energy’s careers site →](https://diamondbackenergy.wd12.myworkdayjobs.com/DBE/job/Midland-TX/Field-Operations-Assistant_R100921)

[OpenNash Jobs](https://jobs.opennash.com/) / [Diamondback Energy](https://jobs.opennash.com/companies/diamondback-energy/) / Field Operations Assistant

## Job description

CURRENT EMPLOYEES - Please apply using "Jobs Hub" in Workday. This career site is for external applicants only. The Field Operations Assistant is responsible for reviewing and validating vendor ticket submissions in the OpenTicket platform to ensure compliance with established submission guidelines, accurately coding transactions, and routing invoices through the appropriate approval workflow. Additional responsibilities include running weekly cost reports for field personnel, assisting the production reporting team with field oil and water transportation tickets, coordinating the shipment and delivery of documentation to the Midland corporate office, performing data entry across various systems, and managing field office supplies, organization, and administrative support functions.

### Job Duties and Responsibilities

Assist with the coding and invoicing process as well as entering costs into the internal tracking system Review vendor ticket submissions to ensure compliance with company and OpenTicket submission requirements. Route invoices and vendor tickets to the appropriate personnel for review and approval.
- Provide a wide variety of administrative and staff support services to one or more field office sites
- Assists field team & operations with activities and assignments as needed
- Maintain office supplies, field office organization, inventories, and coordinate office equipment maintenance.

### Required Qualifications
- High School Diploma or GED Five (5+) years of demonstrable experience working with Microsoft Office Suite including Excel, Word, PowerPoint, and Outlook
- Excellent written, verbal, listening, communication, and data entry skills Exhibit a professional attitude both verbally and in writing along with excellent communication skills and attention to detail Preferred Qualifications: Prior experience as an Administrative Assistant working for an oil and gas company
- Ability to be proactive in identifying and addressing issues Prior experience working in the OpenTicket/OpenInvoice suite of programs Relocation: This position is not eligible for relocation assistance.

### Work Authorization

Diamondback Energy is not currently sponsoring employment visas for this position. Diamondback is an Equal Employment Opportunity Employer. Diamondback provides equal employment opportunities to all qualified applicants without regard to race, sex, sexual orientation, gender identity, national origin, color, age, religion, veteran or disability status, genetic information, pregnancy, or any other status protected by law.

Diamondback participates in E-Verify. Learn more about E-Verify.

## At a glance
- Posted by the employer: Sep 23, 2026
- First seen by OpenNash: Oct 11, 2026
- Last checked: Oct 18, 2026
- Listed for: 25 days
- Location: Midland, TX[Apply on Diamondback Energy’s careers site →](https://diamondbackenergy.wd12.myworkdayjobs.com/DBE/job/Midland-TX/Field-Operations-Assistant_R100921)

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Dates come from the employer where stated; “first seen” and “last checked” are our own observations.

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