PLC/HMI Field Applications Specialist - GA

Inframark LLC; Norcross (GA); On-site; USD 90,000 - 130,000; Full time

Job summary

Inframark LLC is seeking a Field Automation Systems (FAS) Engineer to play a crucial role in control system integration, commissioning, and customer support. This hands-on field role involves configuring, programming, testing, and troubleshooting industrial control systems—SCADA, PLCs, HMIs, networking equipment, and instrumentation—primarily in the Water/Wastewater Industry.

On-site work is required to deliver innovative solutions.

Qualifications

• Technical degree in engineering or related field.
• 3+ years field service experience in instrumentation, control systems, or automation is preferred.

Responsibilities

• Review project requirements with the Project Manager and contract documents.
• Communicate task status, milestones, and budgetary concerns to the Project Manager.
• Provide accurate documentation including timesheets, trip reports, and system updates.
• Follow established development standards and procedures for high-quality execution.
• Set up system servers, workstations, networks, and peripherals at job sites.
• Develop System Control Narratives and PLC/HMI applications per contract specs.
• Perform FAT/SAT as required.
• Perform control panel commissioning and field wiring/terminations.
• Coordinate system startups, integrating PLC, HMI, instrumentation, and networking.
• Ensure hardware, network operation, SCADA functionality align with project requirements.

Skills

Control systems

PLC programming

SCADA

Networking

Electrical schematics

Field service

Documentation

On-site troubleshooting

Education

Technical degree in engineering

3+ years field service experience

Job description

Position Summary

Inframark is seeking a Field Automation Systems (FAS) Engineer to play a crucial role in control system integration, commissioning, and customer support. This position involves configuring, programming, testing, and troubleshooting industrial control systems—including SCADA, PLCs, HMIs, networking equipment, and instrumentation—primarily in the Water/Wastewater Industry. This is a hands-on field role that requires technical expertise, problem-solving skills, and a customer-focused approach. If you have experience with automation, control systems, and networking and enjoy working on-site to deliver innovative solutions.

Key Responsibilities

Project Management & Coordination

• Review project requirements through meetings with the Project Manager and contract document analysis.
• Maintain clear communication with Project Managers, keeping them informed of task status, milestones, and budgetary concerns.
• Produce accurate and timely documentation, including timesheets, trip reports, and system updates.
• Follow established Best Practices, Development Standards, and Procedures to ensure high-quality project execution.

System Configuration & Programming

• Set up system servers, workstations, operating systems, networks, and peripheral equipment at job sites.
• Develop System Control Narratives to define automation logic.
• Program PLCs (Programmable Logic Controllers) and develop HMI (Human-Machine Interface) applications according to contract specifications.
• Conduct Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT) when required.

Field Installation & Commissioning

• Perform control panel commissioning, including field signal wiring, panel terminations, and I/O checkout.
• Conduct system startups, integrating PLC, HMI, instrumentation, and networking equipment.
• Ensure system hardware, network operation, SCADA functionality, and data collection align with project requirements.
• Provide on-site training for operators, supervisors, and administrative personnel on system operation and maintenance.

Technical Support & Documentation

• Provide on-call service support for customers, troubleshooting startup and warranty issues.
• Perform instrument installation and calibration services, including physical setup, wire terminations, commissioning, and documentation.
• Mark up control panel drawings to reflect final field modifications.
• Assist with integrating third-party systems and devices into automation networks.

Other Duties

• Participate in continuous improvement initiatives to enhance system efficiency.
• Mentor and train junior team members to develop a strong engineering workforce.
• Ensure all projects comply with safety and industry standards.

Qualifications & Skills

Education & Experience

• Technical degree in an engineering-related field OR 3+ years of field service experience in instrumentation, control systems, or automation.
• Experience in the Water/Wastewater industry is highly preferred.

Technical Skills

• Strong understanding of control systems, PLC programming, and SCADA applications.
• Knowledge of networking fundamentals, IP addressing, and communication protocols (Ethernet, Modbus, BACnet, etc.).
• Ability to read and interpret electrical schematics, P&ID diagrams, and contract documents.
• Hands-on experience with control panel integration, troubleshooting, and commissioning.

Soft Skills

• Excellent communication skills to interact with customers, project managers, and team members.
• Strong problem-solving abilities and attention to detail.
• Ability to work independently while contributing to a collaborative team environment.

Work Environment & Physical Requirements

Work Locations

• This job requires working in diverse environments, including:
  • Office settings for project planning and documentation.
  • Manufacturing shops and control panel assembly areas.
  • Customer jobsites (indoor and outdoor), including industrial and water treatment facilities.
  • Construction sites where physical tasks (lifting, climbing, working on ladders) may be required.

Work Conditions

• May require extended periods of sitting, standing, and manual work.
• Exposure to varying weather conditions in field environments.
• On-call availability for system troubleshooting, startup, and warranty support.

To support a safe and secure workplace, all offers of employment are contingent upon the successful completion of background screening, drug testing, and driving record review where applicable.

Inframark is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, age, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against based on disability.