Instrumentation & PLC Technician

Job Description

OverviewJob Title: Instrumentation & PLC Technician (Hybrid Role)

Location: Midland, TX

Schedule: Full-time, rotational schedule: 14 days on, 14 days off

Pay/Salary: Competitive hourly rate, based on qualifications and experience

Classification: Non-Exempt, eligible for overtime

Job DescriptionWe are seeking an experienced Instrumentation & PLC Technician for a hybrid automation and field instrumentation role in Midland, TX, supporting Saltwater Disposal (SWD) systems and other oilfield automation infrastructure. This position operates on a 14-on/14-off rotational schedule and requires strong working knowledge of Allen-Bradley PLCs, HMI systems, and Modbus communication, along with deep familiarity with oilfield instrumentation used in fluid handling and injection systems.Responsibilities

Install, calibrate, troubleshoot, and maintain a wide range of field instruments including:

Pressure transmitters and switches (injection, suction, casing pressure)

Level sensors (ultrasonic, guided wave radar, differential pressure)

Flow meters (Coriolis, magnetic, turbine for water and oil measurement)

Temperature sensors and RTDs

Tank level monitoring systems

VFDs (Variable Frequency Drives) used in pump control systems

Perform PLC programming and diagnostics on Allen-Bradley systems including:

ControlLogix, CompactLogix, MicroLogix platforms using Studio 5000 or RSLogix

Modifications for pump control, safety shutdowns, alarm systems, and tank automation

Integration of analog/digital I/O modules and remote I/O racks

Configure, troubleshoot, and maintain HMI interfaces, including:

FactoryTalk View ME/SE, PanelView Plus

Display creation for tank levels, pump operation, system pressures, and flow data

Implement and support Modbus RTU and Modbus TCP communication networks for:

RTUs, VFDs, flow meters, chemical pumps, and tank level systems

Data acquisition to SCADA systems for remote monitoring and reporting

Monitor and optimize SWD operations, including:

Automated pump control based on tank levels and injection pressures

Flow balancing between incoming trucks, produced water pipelines, and injection wells

Ensuring environmental and operational compliance with alarms and fail-safe design

Maintain detailed documentation for:

Instrument loop drawings, PLC logic, network topologies, and device addresses

Field calibration records, maintenance logs, and firmware/software updates

Provide field support to troubleshoot equipment failures, communication issues, and control system errors during active 14-day rotations.Qualifications Required

High School diploma or equivalent

Associate degree or technical certification in Instrumentation, Industrial Automation, or Electrical Technology

3+ years of experience with oilfield instrumentation and controls

Hands-on experience with:

Modbus RTU/TCP, RS485, Ethernet/IP

Allen-Bradley PLCs and FactoryTalk HMI software

Level/flow/pressure instrumentation in SWD or water management systems

Proficiency in reading and interpreting P&IDs, loop drawings, ladder logic, and wiring diagrams

Ability to work independently at remote well sites and disposal facilitiesPreferred

Experience with SCADA platforms (Ignition, ClearSCADA, etc.)

VFD setup and tuning for pump control

Familiarity with telemetry systems, wireless radios, and cellular RTUs

Understanding of saltwater disposal regulatory requirements and spill prevention systemsRequirements

Must be able to work a rotating schedule of 14 days on, 14 days off that may include nights and weekends during active shifts

Stable work history

Must be legally eligible to work in the US. Sponsorship is not available

Must be able to pass a background check; drug and alcohol screening

Must have a valid driver’s license with a good driving record

Must be able to comply with customer site requirements for access/entry

Must have a TWIC card Physical Requirements

Ability to lift 50 pounds regularly

See, respond, and report to possible dangerous situations

Comfortable with heights and able to climb stairs/ladders

Work in confined spaces

Operating and driving a vehicle for extended periods of time on possible rough terrain

Sitting for extended periods. Bending, reaching, kneeling, and use of a step ladder at times

Ability to work in inclement weather and/or extreme weather-related conditions

Required to wear PPE/Safety gear at specific times

Ability to wear an N-95 mask when required Benefits

Competitive hourly rate based on experience

Company truck, test equipment, and PPE provided

Paid per diem/travel, if applicable

Medical, dental, and vision benefits with company contributions

Health Savings and Flexible Spending Account-healthcare/dependent care accounts

Retirement plan with matching contributions

Generous paid time off policy, flexible paid holidays

Short & Long-term disability

Company paid group life & voluntary life insurance options

EAP (Employee Assistance Program)

Rewarding career with growth potential and opportunities About UsEnginuity Global LLC provides process automation services and innovative environmental and safety products to industrial facilities. We are a young company, with immense growth potential. Joining our team gives you experience in top-performing industrial facilities across the US, in the fastest growing markets in the country. We are looking for self-motivated, passionate, and hard-working professionals to grow our company.Equal Employment OpportunityEnginuity Global provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

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