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About Us

Waterloo Biofilter Systems Inc. is a Canadian owned and operated company that develops, manufactures, and maintains advanced onsite wastewater treatment systems. Our mission is to protect soil and water resources through innovative wastewater treatment solutions and staying committed to high quality treatment, low electricity usage, and system dependability. Since 1991, our technology has proven to be the most reliable system available, and we continually strive to lead the industry in innovation and service. We pride ourselves on our outstanding team of employees who stand behind our company and our systems; not only leading the industry but providing a supportive community that allows for both personal and professional growth. Our entire team, whether on the warehouse floor, in the office, or out in the field, utilizes collaboration and teamwork alongside continuous improvement in order to get the job done right – that’s The Waterloo Way.

Overview

We are looking for an Instrumentation & Control Specialist to support the design, development, and ongoing support of control panels and monitoring systems for wastewater treatment applications. This role combines control system design (hardware & software), hands-on technical work, and troubleshooting support.

Key Responsibilities

System Design & Development

• Design, develop, integrate, and test of PLC-based, IoT-enabled control systems for on-site wastewater treatment systems
• Assist embedded/web developer with the development and testing of IoT platform hardware, software, and functionalities, such as functional specification, data visualization, alarm criteria, and UI design
• Author and maintain documentation for control panel design, PLC/HMI programming, IoT platform functionalities, and electrical installation, such as instructions, panel schematics & layout, BOMs, operation manual
• Collaboratively to develop novel control algorithms for integration into PLC software
• Support the development and testing of remote monitoring (IoT) systems
• Create clear documentation including system layouts, wiring diagrams, and user manuals

Production & Implementation

• Oversee the production of both PLC-based and off-the-shelf control panels, instrumentation, and IoT hardware, including establishing SOPs, supervising production workers / vendors and building/ordering I&C assemblies and components.
• Select and source control system components such as control panels, VFDs, sensors etc.
• Design and configure control panels (including schematics and layouts) onsite wastewater treatment plants
• Program and set up PLCs and IoT monitoring systems
• Prepare and configure instrumentation such as sensors and drives
• Work collaboratively project managers and purchaser(s) to coordinate panel builds, component ordering, and delivery
• Maintain accurate inventory of I&C components/assemblies and other records in Dynamic 365 Business Central

Technical Support & Field Work

• Attend onsite meetings for treatment plant commissioning and instrumentation calibration
• Provide technical support to onsite wastewater technicians, installers, and customers
• Troubleshoot control systems remotely and on-site when required
• Perform site visits for system testing, repairs, and upgrades
• Support retrofits and system improvements on existing installations

Qualifications & Skills

• Understanding of MCU-based control equipment such as PLC, HMI, FPGA, Raspberry Pi, or Arduino, and their program development using ladder logic, structured text, C/C++, and/or VHDL.
• Knowledge of IoT and related web technologies such as cellular/wi-fi connectivity, data integration/storage/analysis/visualization, alarm criteria/notifications, and web design.
• Understanding of motor control devices such as relays, contactors, overload relays, and VFDs.
• Knowledge of analog and digital sensors, including 0-5V, 4-20mA, Modbus RTU, and Modbus TCP sensors; or equivalent knowledge in analog & digital circuits, signals and instrumentation.
• Familiarity of common communication protocols such as TCP/IP, Modbus, CAN, UART, and/or I2C; or equivalent knowledge in digital communication.
• Experience in electrical schematic and mechanical layout drawings using AutoCAD.
• Hands-on experience in the fabrication, wiring, prototyping, testing, troubleshooting, or repairing electrical and/or electronic devices.
• The following experiences are considered assets: PLC/HMI programming (Schneider/Modicon, Unitronics, Allen-Bradley, Siemens, Mitsubishi, Omron, Wago), control system integration (sensors, VFDs, IoT devices), UL/CSA standards such as UL508A and Canadian Electrical Code, working in a panel shop environment, develop/program embedded systems.

Education

• Degree in Electrical Engineering OR Diploma in Electrical Engineering Technology (or similar experience)

What We’re Looking For

• Strong problem-solving skills and attention to detail
• Ability to balance design work with hands-on tasks
• Comfortable working both independently and with cross-functional teams
• Willingness to learn and adapt in a fast-paced environment

Pay: $60,000.00-$80,000.00 per year

Benefits:

• Company events
• Company pension
• Dental care
• Disability insurance
• Employee assistance program
• Life insurance
• On-site parking
• Paid time off
• RRSP match
• Tuition reimbursement
• Vision care

Work Location: In person