Field Instrumentation Tech I — Water/Wastewater

Inframark; Roswell (GA); On-site; USD 65,000 - 90,000; Full time

Job summary

Inframark in Roswell, GA is seeking a maintenance instrumentation specialist to support water and wastewater monitoring and control. You will install, calibrate, and troubleshoot instrumentation, ensuring reliable operation of critical processes.

You will read P&IDs, perform loop checks, maintain calibration records, and coordinate with electricians and SCADA teams while adhering to NFPA 70E and LOTO. The role requires 3+ years of experience and a valid driver's license.

Qualifications

• 3+ years industrial instrumentation experience; water/wastewater preferred.
• Ability to read P&IDs and schematics; proficient with calibration tools.
• Strong safety record; valid driver’s license.

Responsibilities

• Install, calibrate, troubleshoot, and repair process instrumentation (pressure/level/flow/analytical).
• Perform loop checks and I/O verification (4-20 mA, HART, Modbus).
• Update calibration certificates and loop drawings; maintain documentation.
• Coordinate with electricians/SCADA teams; follow NFPA 70E and LOTO.
• Document work in CMMS and maintain spare parts inventory.

Skills

Industrial instrumentation

Calibration tools

Reading P&IDs & schematics

Valid driver’s license

Education

Technical certificate or Associate’s

Tools

HART protocol

Modbus protocol

Job description

Inframark in Roswell, GA is seeking a maintenance instrumentation specialist to support water and wastewater monitoring and control. You will install, calibrate, and troubleshoot instrumentation, ensuring reliable operation of critical processes.

You will read P&IDs, perform loop checks, maintain calibration records, and coordinate with electricians and SCADA teams while adhering to NFPA 70E and LOTO. The role requires 3+ years of experience and a valid driver's license.