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Modbus Jobs (NOW HIRING)

Apollo Technical

Controls Engineer

Houston, TX · On-site

$79K - $103K/yr

Configure and troubleshoot industrial networks (Modbus TCP, Ethernet/IP, RS-232/485). * Troubleshooting: Provide direct support for code-related equipment failures in the shop or field. Required ...

Rinvio

Process Control Engineer

Wickliffe, KY

... Modbus, EtherNet/IP, Profibus, and related industrial communication protocols - Lead or support automation upgrades, migrations, commissioning, and system expansion projects - Analyze process data ...

ASCENDING LLC

Battery Test Technician

Mount Pleasant, PA · On-site

$70K - $79K/yr

Knowledge with different types of control systems and communication protocols, such as Modbus, RS485, and CAN * Troubleshoot issues as they arise with test equipment * Ability to quickly pick up on ...

360 IT Professionals

PLC Programmer

Hartford, CT · On-site

$68K - $93K/yr

... Modbus converter and display values in the back-end web-based sensor system o Configure and connect a Bravo Controls T3 BACnet controller to existing building sensors and display values in the ...

ControlsJobs

BAS Office Programmer

San Jose, CA · On-site

$85K - $140K/yr

Tridium Niagara (N4, AX, R2), plus BACnet, Modbus, and LON integrations Key Responsibilities: * Develop, configure, and optimize applications within Tridium Niagara (N4/AX/R2) * Integrate major BAS ...

ControlsJobs

Sr. BAS Controls Engineer - Hybrid

Omaha, NE · Hybrid

$92K - $122K/yr

Integrate systems using BACnet, Modbus, LonWorks, and other open protocols Ideal Candidate * Experience with major BAS/DDC systems such as: * Siemens PPCL / Desigo / Apogee * Tridium Niagara N4/AX/R2

SJE-Rhombus

Senior Edge Engineer - Firmware & MCU

Madison, WI · On-site

$120K - $159K/yr

Modbus RTU primary, CAN bus where required. Clean driver abstraction so adding a new field protocol is additive rather than a fork. * OTA strategy and safety : Bench validation, staged rollouts ...

S3staffingusa Inc

Be Seen First

Staff Automation and Validation Engineer

Waukesha, WI · On-site

$50 - $55/hr

CAN, Modbus, Ethernet, RS232, RS485, MQTT. • Embedded systems and firmware interaction. • Linux, Git, Docker, Jenkins, Visual Studio, Jira. • AWS, ClickHouse, Grafana, and cloud-based data ...

ASCENDING

Battery Test Technician

Mount Pleasant, PA · On-site

Knowledge with different types of control systems and communication protocols, such as Modbus, RS485, and CAN * Troubleshoot issues as they arise with test equipment * Ability to quickly pick up on ...

SJE

Senior Edge Engineer - Firmware & MCU

Largo, FL · On-site

$103K - $136K/yr

Modbus RTU primary, CAN bus where required. Clean driver abstraction so adding a new field protocol is additive rather than a fork. * OTA strategy and safety : Bench validation, staged rollouts ...

Divcon Controls

Senior Applications Engineer

Create gateway configurations used between Modbus and BACnet networks. * Develop and support control system databases, interfaces, programming, and related deliverables for sequences of operation and ...

Giga Energy

Controls Engineer

San Francisco, CA · On-site

$90K - $122K/yr

Develop and maintain network designs across a range of communication protocols including Ethernet/IP, Modbus TCP, and Modbus RTU * Configure and commission VFD drive controls for motors, pumps, and ...

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Modbus information

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How much do modbus jobs pay per hour?

As of Jul 1, 2026, the average hourly pay for modbus in the United States is $24.44, according to ZipRecruiter salary data. Most workers in this role earn between $18.03 and $30.53 per hour, depending on experience, location, and employer.

What is the difference between Modbus vs PLC Technician?

AspectModbusPLC Technician
CredentialsKnowledge of communication protocols, certifications in industrial networkingCertifications in PLC programming, electrical or automation certifications
Work EnvironmentIndustrial settings, control systems, network troubleshootingManufacturing plants, automation systems, control panel maintenance
Industry UsageUsed for communication between devices in automation systemsDesign, install, troubleshoot PLC-based automation systems

While both roles operate within industrial automation, Modbus specialists focus on communication protocols between devices, whereas PLC Technicians handle programming and maintaining programmable logic controllers. Understanding both is essential for seamless automation system operation.

What are the key skills and qualifications needed to thrive as a Modbus Engineer, and why are they important?

To thrive as a Modbus Engineer, you need a solid understanding of industrial automation, Modbus protocols (RTU/TCP), and electrical or control systems, usually backed by an engineering degree. Familiarity with PLC programming, SCADA systems, network troubleshooting tools, and relevant certifications such as Certified Automation Professional (CAP) is highly valuable. Strong problem-solving, attention to detail, and effective communication skills help in diagnosing issues and collaborating with multidisciplinary teams. These abilities are crucial for ensuring reliable, efficient integration and maintenance of Modbus-based systems in industrial environments.

What are Modbus professionals?

Modbus professionals are experts who understand and work with the Modbus communication protocol, which is widely used to connect electronic devices in industrial automation systems. They typically configure, troubleshoot, and maintain Modbus networks to ensure reliable data exchange between devices such as sensors, controllers, and SCADA systems. Their work is essential in industries like manufacturing, energy, and building automation, where seamless device communication is critical for operational efficiency.

What are some common challenges engineers face when integrating Modbus communication into industrial automation systems?

Engineers often encounter challenges such as ensuring compatibility between devices from different manufacturers, managing network latency, and troubleshooting communication errors like data loss or incorrect addressing. It’s also common to address issues related to protocol versions (Modbus RTU vs. Modbus TCP) and configuring the correct baud rate and parity settings. Collaborating closely with control system integrators and IT teams is essential to ensure seamless data flow and system reliability.
More about Modbus jobs
What states have the most Modbus jobs? States with the most job openings for Modbus jobs include:
What job categories do people searching Modbus jobs look for? The top searched job categories for Modbus jobs are:
Modbus jobs near you
Infographic showing various Modbus job openings in the United States as of June 2026, with employment types broken down into 98% Full Time, and 2% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $50,826 per year, or $24.4 per hour.
Controls Engineer

Controls Engineer

Apollo Technical

Houston, TX • On-site

$79K - $103K/yr

Other

This job post has expired today. Applications are no longer accepted.

Job description

Apollo Technical has an immediate need for a Controls Programmer focused on PLC and HMI development for an industrial automation group in Houston, TX


Position Overview:


This is a pure programming and logic-focused role. You will not be responsible for high-level project management or multi-discipline system design. Your primary focus is writing, testing, and troubleshooting code—specifically using Red Lion controls—to ensure pumps, motors, and sensors operate exactly as intended. We are looking for a "plug-and-play" programmer who enjoys the technical challenges of coding and hits the ground running.


Key Responsibilities:

  • PLC/HMI Programming: Write and implement code specifically for Red Lion control systems and HMIs.
  • Logic Development: Utilize Structured Text (ST) to develop robust, fail-safe logic for industrial equipment.
  • Testing: Perform direct hardware-in-the-loop testing to verify code and minimize software rework.
  • Protocol Integration: Configure and troubleshoot industrial networks (Modbus TCP, Ethernet/IP, RS-232/485).
  • Troubleshooting: Provide direct support for code-related equipment failures in the shop or field.


Required Qualifications:

  • Programming Focus: You must be a "programmer first." The ideal candidate sees the logic/coding as the most important part of the job.
  • Red Lion Experience: Direct experience programming Red Lion hardware is highly preferred, but NOT a requirement for this role
  • Structured Text: Strong proficiency in Structured Text (ST) is required.
  • Industrial Protocols: Working knowledge of Modbus and Ethernet/IP.
  • Mindset: Enthusiastic, self-motivated, and ready to focus 100% on the programming aspects of the product.


Additional Information:

  • Position Type: Full-Time / Direct Hire.
  • Travel: Up to 20% for field support and deployment.

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