PLC - Senior Drilling Controls Engineer

Veriipro; Houston (TX); On-site; USD 85,000 - 110,000; Full time

Job summary

Veriipro is seeking a skilled PLC Programmer in Houston, Texas, with extensive experience in Siemens PLCs and control systems. The ideal candidate will manage multiple projects and ensure the design and documentation meet strict standards.

This role requires a Bachelor's degree in engineering and a strong ability to communicate effectively while working independently. Experience in field environments and willingness to travel are essential.

Qualifications

• 7+ years of proven PLC programming experience.
• Hands-on experience with Siemens PLCs using TIA Portal.
• Proficiency in developing complex control algorithms.

Responsibilities

• Translate functional requirements into scalable control system architecture.
• Design system, loop, block, and network diagrams.
• Generate technical documentation and manuals.

Skills

Siemens PLC (TIA Portal)

PLC Programming (Ladder, ST, SFC)

Ignition HMI

Control System Architecture

Industrial Protocols (Profinet, Profibus, Ethernet/IP, OPC UA, CANBUS)

Source Code Management

Change Control

Lab Simulation Testing

Education

Bachelor’s degree in engineering

Job description

Detailed Job Description

• Bachelor’s degree in electrical, Mechanical, Mechatronics, Controls, or Automation Engineering (or related field)
• 7+ years of proven PLC programming experience
• Strong hands‑on experience with Siemens PLCs using TIA Portal
• Proficiency in developing complex control algorithms and applying control system theory
• Experience in HMI design and development (Ignition, WinCC, Wonderware or similar)
• Solid understanding of industrial communication protocols (Profinet, Profibus, Ethernet/IP, CANBUS, OPC UA, etc.)
• Ability to translate functional requirements into control system architecture and scalable solutions
• Experience designing system, loop, block, and network diagrams
• Experience generating technical documentation, drawings, and operation manuals
• Hands‑on experience with installation, commissioning, and troubleshooting of PLC‑based control systems
• Experience working with formal software change control, versioning, and revision management
• Knowledge of modular programming practices, source code management, and QC/testing methodologies
• Ability to work independently while managing multiple parallel projects
• Strong written and verbal communication skills
• Willingness and ability to work in field environments, including drilling rigs, with travel and on‑call support requirements

Must Have Skills

• Siemens PLC (TIA Portal)
• PLC Programming (Ladder, ST, SFC)
• Ignition HMI
• Control System Architecture
• Industrial Protocols (Profinet, Profibus, Ethernet/IP, OPC UA, CANBUS)
• Source Code Management
• Change Control
• Lab Simulation Testing

Nice to Have Skills

• Drilling automation experience
• Battery Management Systems
• WinCC/Wonderware
• Multi‑developer environments
• Automation tools/bots/AI accelerators