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Salary
≈ $61k – $110k per year (Estimated)
Location
In office (United States)
Seniority
Junior · 2+ years exp
Visa
H-1B filings in 12 months: 1 · green card filings: 1

Confirmed on the employer's own hiring board on Nov 3, 2026. First seen by Alion on Sep 21, 2026. Inframark scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Inframark is a US water and wastewater infrastructure services company headquartered in Katy, Texas, that operates and maintains treatment plants and utility systems for municipalities, industry and utility districts and provides engineering and community management for districts and HOAs. It is now part of Azuria Water Solutions and works with communities across the country, with large operations in Texas, Georgia, Florida, Alabama and Arkansas and new contracts such as the Hull, Massachusetts wastewater system. Its job board is dominated by licensed water and wastewater operators and operators in training, maintenance technicians, mechanics, equipment operators and project engineers.

Inframark is hiring!

Inframark offers a Competitive Salary and a full Benefits Package. 

We offer Flexible paid time off as needed, with the understanding that work requirements are being met, and it does not impact the workload of others that depend on you.

 

We are looking for a PLC Applications Engineer with PLC expertise in developing PLC application monitoring and control software, performing factory and field testing, startup, customer training and other PLC related service work. 

Essential duties and responsibilities:

 Receives project requirements and direction through meetings with the Project Manager and review of the contract documents.

 Keeps managers advised of the status of tasks and projects landmarks. Maintains awareness of project budgets and keeps the PM aware of issues that would adversely affect the budget.

 Produces timely, accurate project documentation such as timesheets, trip reports, etc.

 Follows established Best Practices and Development Standards and Procedures.

 Produces the System Control Narrative on projects.

 Develop Programmable Logic Controller (PLC) application programs based on the contract documents and System Control Narrative using the PLC manufacturer’s Programming Software.

 Installs all developed application software and required vendor software and verifies their accurate execution.  

Interfaces the company’s supplied equipment to third-party vendor systems via industrial communication protocols, when applicable.

 Participates in Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT), when required.

 Demonstrates overall system functionality to the Owner/Engineer/Contractor including hardware and network operation, SCADA monitoring and control, displaying data, alarming, and historical data collection for report generation.

 Provides training to operators, supervisors, and administrative personnel.

 Generates and gathers all required final project documentation.

 Provides technical assistance to Customers.

 Provides reactive and adaptable support to field service technicians to assist in solving and repair of PLC related issues at customer sites or by remote support as appropriate.

Qualifications:

Minimum 2 years' experience in PLC programming, preferably in the Water & Wastewater industry. PLC Application Engineers must have knowledge and experience

with PLC hardware and programming software (Allen-Bradley and/or Schneider and/or Siemens and/or Emerson).

Physical demands

Ability to communicate orally with management and other co-workers is crucial. Regular use of the telephone and e-mail for communication is critical. Sitting for extended periods in front of a computer monitor is common. Hearing within normal ranges is vital for communication with the Project Team and customers. Adequate vision is needed for using a computer monitor. Lifting of computer servers, workstations, and peripherals is required. Good manual dexterity for setting up computer equipment and attaching associated cables.

Work environment:

The job is performed both indoors at the office and at the jobsite. Activities include extended periods of sitting and extensive work at a computer monitor. This job includes the potential of working irregular hours with on-call availability to solve project startup and warranty problems.

Travel

Travel is required on a regular basis to start up, test, and demonstrate the company’s supplied SCADA monitoring and control systems.

Compensation is commensurate with experience and includes a generous benefits package with health, dental and life insurance, 401(k) plan, paid time off, sick leave, holidays, and wellness plan.

CMSTECH1

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