Senior PLC & RTU Automation Engineer – Oil & Gas Field

GLX Tech; Pecos (TX); Hybrid; USD 90,000 - 120,000; Full time

Job summary

GLX Technologies seeks a Senior Programmer/Programmer II to support West Texas operations, focusing on PLC, HMI, and RTU programming in oil and gas fields and coordinating with customers on project work.

The role involves designing and improving PLC-RTU programs, documenting device layouts and electrical drawings, and applying MoC, design reviews, and process hazard analysis in a safety-sensitive environment.

Qualifications

• Experience with PLC programming development.
• Commissioning control systems and validating loops.
• Strong experience in MoC, design reviews and PHA.
• 3-5 years oilfield programming experience.
• Drug screening and background checks are required.
• Safety-sensitive role with alertness requirements.

Responsibilities

• Program automation and control systems in PLCs, HMIs, and RTUs.
• Design or improve PLC-RTU programs and create electrical drawings.
• Document requirements, device layouts, and I/O allocation.
• Provide client-facing solutions and task recommendations.

Skills

PLC programming

HMI programming

RTU programming

Control system commissioning

Management of Change

Job description

• Employee Type FT Non-Exempt

Description

GLX Technologies helps Oil & Gas and Water Utility clients optimize operations through automation. Our field services and professional services divisions provide end-to-end solutions, from system design and field integration to final commissioning. We offer both application-specific builds and off-the-shelf control panels to meet diverse needs. By enabling real-time monitoring, control, and data visualization, we drive efficiency, cost reduction, and compliance. With a phased approach to automation, we empower clients to modernize at their own pace, ensuring flexibility, scalability, and long-term sustainability.

We are currently seeking a Senior Programmer/ Programmer II for our West Texas operations. While we prefer local candidates, we are open to hiring non-local candidates for rotation work. This position may be based in Pecos, Texas or Carlsbad, New Mexico.

Functions and Responsibilities:

· Responsible for programming automation and control systems involving PLCs, HMIs, and RTUs in oil and gas fields, as well as interfacing and communicating with customers on project work.

· Design and create new programs or improve existing programs in a PLC-RTU.

· Exemplifies proper planning, which includes gathering and documenting requirements, documenting all devices in a device layout drawing, conducting evaluations, determining throughput requirements, selecting hardware, and assigning input/output (I/O), as well as generating electrical drawings.

· Capable of providing solutions and recommendations to the client for the required task.

Required Qualifications/Experience:

· Experience with PLC programming development.

· Capable of commissioning control systems, validating control loops, confirming the functionality of control logic, configuring end devices, making program changes to PLCs and HMIs, testing alarms, and ensuring that the control system aligns with engineering documentation and red-line documents for As-Built corrections.

· Advanced skills in Management of Change, design reviews, and process hazard analysis.

· 3-5 Years of Oilfield Programming Experience

· GLX Technologies provides a drug-free workplace, and the company will require you to participate in its drug testing program. This will include a pre-employment drug screen.

· GLX Technologies also performs a driving record and 7-Point comprehensive criminal screen on all hires.

· This position is safety sensitive. GLX Technologies also considers driving a safety-sensitive function. A constant state of alertness as an essential job function.

· Legal or illegal, prescribed or non-prescribed, and over-the-counter substances can hinder a state of alertness, and one is not permitted to perform work if one is not able to perform in a constant state of alertness.

· Substances that are deemed legal may contain prohibited substances. These substances can hinder alertness and result in a positive test result. A positive result has adverse consequences.

• GLX Technologies is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religious creed, sex (including pregnancy), sexual orientation, gender identity, gender expression, national origin or ancestry, age, mental or physical disability, medical condition, reproductive health decision-making, military or veteran status, political preference, marital status, citizenship, genetic information or other characteristics protected by applicable law.