Senior Field Controls & Automation Technician

Iconcareers; Austin (TX); On-site; USD 90,000 - 130,000; Full time

Job summary

ICON is seeking a Senior Controls and Automation Technician to develop, maintain, and troubleshoot control systems for Titan and Vulcan on active construction sites and in the Austin facility.

You will write and refine PLC logic, commission automated systems, diagnose failures from the physical layer up, and build operator and technician documentation. Expect field travel and direct ownership of controls infrastructure to keep the fleet running.

Qualifications

• 4+ years in industrial automation, production, field service, robotics, or similar environments.
• Hands-on controls troubleshooting across 24VDC, sensors, relays, VFDs/servos, encoders.
• Familiarity with PLC platforms (Beckhoff, Rockwell, Siemens, Codesys) and industrial networks.
• Willingness to travel for commissioning and support.
• Ability to read electrical schematics and update documentation.
• Strong safety mindset and structured troubleshooting practices.

Responsibilities

• Develop and refine PLC logic, HMI screens, alarms, interlocks, and automation sequences.
• Create and maintain controls documentation: I/O lists, wiring diagrams, baselines, checklists, SOPs.
• Diagnose controls-related failures using logs, sensors, and diagnostics.
• Integrate, test, and validate sensors, actuators, drives, and safety systems.
• Perform root cause analysis and implement corrective actions.
• Follow change control (ECO/ECN) for field updates and releases.
• Collaborate with mechanical, electrical, software, and field teams to standardize architectures.
• Support operator training and develop diagnostic guides and troubleshooting playbooks.
• Commission, troubleshoot, and support automated equipment in factory and field.

Skills

PLC troubleshooting

HMI development

Field service

Schematic reading

Industrial networking

Safety minded

Travel to sites

Tools

Beckhoff/TwinCAT

Rockwell Studio 5000

Siemens TIA Portal

Codesys

Job description

ICON is seeking a Senior Controls and Automation Technician to develop, maintain, and troubleshoot control systems for Titan and Vulcan on active construction sites and in the Austin facility.

You will write and refine PLC logic, commission automated systems, diagnose failures from the physical layer up, and build operator and technician documentation. Expect field travel and direct ownership of controls infrastructure to keep the fleet running.