Pumper – Denver, CO

This position is responsible for the operation and maintenance of wells, oil tanks, separators, treaters, compressors, and other auxiliary equipment and machinery used to process, route, and store oil and petroleum products. Drives to 15-16 well pads to monitor and maintain production. Checks well head and flow line to ensure there are no leaks. Determines safe and efficient movement of products through pipelines. Watches and listens for malfunctioning equipment and reports current problems or anticipated problems. Checks tank levels and performs grind-outs. Tests and treats oil with chemicals to reduce water and sediment content. Monitors and records temperature and pressure for pressures vessels. Directs oil and gas coming from each well to the separator and/or treaters.  Keeps written and electronic records on every well. May be required to operate backhoe, drive trucks, plow snow on roads, weld, and perform engine and motor repair on variety of vehicles and equipment. This position generally requires up to 50% travel during the course of the business day and may require up to 15% overnight travel. Minimum requirements include: Minimum 2-3 years oilfield work experience; experience with compressors, JT Units and gas lift is preferred; fluent in the English, both verbally and in writing. Must have a valid driver license. Must pass pre-employment background check and drug screen.


  • Family Health Insurance Plan
  • Life Insurance
  • 401(k)
  • Profit Sharing
  • Cafeteria Plan
  • Identity Theft Protection
  • Vacation/Holidays

We offer stable employment and competitive wages, 100 % funded profit sharing plan, 401(k) employer match, vacation, life insurance, family health plan, and incentives.

How to apply

1. Complete the application, specific to the state in which you are applying, and any other forms of your choosing below:


True companies invite job applicants and employees to self-identify their status as a member of certain protected groups.  In addition to completing the state specific application for employment, applicants are invited to complete the self-identification and Affirmative Action forms below.  

There are no benefits or penalties for choosing or declining to self-identify.  Self-identification is voluntary, confidential, and entirely self-reported.  No one will follow up to verify if you are a veteran, have a disability, etc.

To request assistance or a reasonable accommodation in the application process, please contact Human Resources at Humanresources@truecos.com or (307) 237-9301.

2. Submit your cover letter, resume, and forms from above to the Human Resources Department:
Human Resources Department
P.O. Drawer 2360
Casper, WY 82602-2360
(307) 266-0454


To request assistance or a reasonable accommodation in the application process, please contact Human Resources at Humanresources@truecos.com or (307) 237-9301.

Affirmative Action/Equal Employment Opportunity Employer

We do not discriminate on the basis of race, color, religion, age, sex, national origin, disability status, genetics, veteran status, sexual orientation, gender identity, or any other status protected by law or regulation. It is our intent that all applicants be given equal opportunity and that selection decisions be based on job-related factors.

Thank you for your interest in this available position, we hope to hear from you soon!