Remote PLC Application Engineer – Water/Wastewater

Inframark LLC in; Fort Worth (TX); Hybrid; USD 90,000 - 120,000; Full time

Job summary

Inframark Fort Worth seeks a PLC Application Engineer to design, program, test, and commission PLC-based control systems for water and related infrastructure. The role partners with HMI, OT, and Field Services to deliver robust, maintainable solutions.

You will develop programs for Rockwell/Allen‑Bradley and Siemens systems, perform bench tests and FAT/SAT, and ensure accurate as‑built documentation while supporting startup and operator training.

Qualifications

• 3-6 years of PLC programming/commissioning experience in utilities or industrial environments.
• Proficiency with Rockwell and/or Siemens toolchains; understanding of networking and industrial protocols (EtherNet/IP, Modbus, DNP3).
• Ability to read P&IDs, electrical schematics, and produce documentation.

Responsibilities

• Develop PLC programs (Rockwell/Allen‑Bradley, Siemens) based on P&IDs, I/O lists, and control narratives.
• Perform bench testing, simulation, and FAT; support SAT, startup, and operator training.
• Integrate instrumentation and VFDs; implement alarming, interlocks, and failsafes; document as‑builts.
• Collaborate with HMI and OT teams on communications, security, and performance.
• Provide technical support and troubleshoot issues during and after deployment.

Skills

PLC programming

Rockwell AB

Siemens

Networking protocols

P&ID reading

Education

Bachelor's in Electrical/Controls Engineering

Tools

RSLogix/Studio 5000

Siemens STEP 7

Job description

Inframark Fort Worth seeks a PLC Application Engineer to design, program, test, and commission PLC-based control systems for water and related infrastructure. The role partners with HMI, OT, and Field Services to deliver robust, maintainable solutions.

You will develop programs for Rockwell/Allen‑Bradley and Siemens systems, perform bench tests and FAT/SAT, and ensure accurate as‑built documentation while supporting startup and operator training.