Senior DCS & PLC Hardware Engineer

IS International; Roswell (GA); On-site; USD 90,000 - 120,000; Full time

Job summary

IS International is seeking an experienced engineer to evaluate DCS for new and modernization projects in Roswell, GA. You will develop IO lists, participate in design reviews, and support installation and commissioning across sites.

The role requires hands-on DCS/PLC hardware design, familiarity with DNP 3.0, Modbus, IEC 61850, and field instrumentation. Strong teamwork and problem‑solving skills are essential.

Qualifications

• Degree or Diploma in Computer Science or Electrical/Electronics/Control engineering.
• Experience with DCS/PLC hardware design preferred.
• 8+ years of relevant experience preferred.

Responsibilities

• Evaluate DCS for new and modernization installations; prepare IO lists.
• Participate in site surveys, design review, readiness meetings, FAT.
• Develop IO list and IO channel allocation.
• Participate in site installation and commissioning.
• Prepare and update engineering documentation including work packages.
• Provide conceptual control design and present to customers.
• Create basic and detailed DCS cabinet engineering.
• Create loop drawings for field instrumentation.
• Coordinate with third-party system connectivity (DNP 3.0, Modbus, IEC 61850, TCP/IP, Profibus).
• Basic IT networking knowledge for DCS/PLC applications.

Skills

DCS design

PLC HW design

AutoCAD Electrical

IT networking

DNP 3.0

Modbus

IEC 61850

TCP/IP

Profibus

Field instrumentation

Heat load calculation

DCS/PLC hardware

Education

Degree/Diploma in Computer Science or Engineering (Electrical/Electronics/Control)

Tools

AutoCAD Electrical

Job description

IS International is seeking an experienced engineer to evaluate DCS for new and modernization projects in Roswell, GA. You will develop IO lists, participate in design reviews, and support installation and commissioning across sites.

The role requires hands-on DCS/PLC hardware design, familiarity with DNP 3.0, Modbus, IEC 61850, and field instrumentation. Strong teamwork and problem‑solving skills are essential.