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Modbus Jobs in California (NOW HIRING)

Ayr Energy

Sr. Embedded Engineer

Mountain View, CA · On-site

$150K - $220K/yr

Implement and maintain CAN, LIN, Modbus, IEC61850 etc communication stacks as required by system architecture * Apply automotive embedded architecture principles (ISO 26262, AUTOSAR) to power ...

City Brewing Co

Controls Engineer

Baldwin Park, CA · On-site

$110K - $130K/yr

Modbus Plus * ProLeit * Troubleshoots systems including but not limited to: electrical, instrumentation and controls * Electrical schematic design and drafting using AutoCAD Electrical

Voltify

Electronic/Electrical Engineer

Los Angeles, CA · On-site

$120K - $180K/yr

Implement robust communication protocols including CAN Bus, Ethernet, ModBus, and board-level protocols (I2C, SPI) * Design controllers and embedded systems for harsh industrial/automotive/locomotive ...

Voltify

Electronic/Electrical Engineer

Los Angeles, CA · On-site

$120K - $180K/yr

Implement robust communication protocols including CAN Bus, Ethernet, ModBus, and board-level protocols (I2C, SPI) * Design controllers and embedded systems for harsh industrial/automotive/locomotive ...

CoreTechs Inc.

Controls Technician

San Leandro, CA · On-site

$30 - $40/hr

Ethernet/IP, Modbus (RTU/TCP), Profibus, Profinet * Network troubleshooting tools (wireshark, RSLinx) * FIIX CMMS PM or similar platforms * Drives & Motion Software * Data & Diagnosis Tools

PDS Tech Commercial

Software Engineer

Sunnyvale, CA

$132.02/hr

Knowledge of EtherNet/IP and Modbus communication protocols. * Strong troubleshooting and collaboration skills. Preferred Qualifications * 5+ years of LabVIEW development experience. * NI Certified ...

PPS

Lead Field Service Technician - PV/BESS

Anaheim, CA · On-site

$25 - $40/hr

Modbus RTU * remote monitoring platforms * data acquisition systems * inverter telemetry validation * communications fault isolation Battery Energy Storage Systems (BESS)Required Working Knowledge ...

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How much do modbus jobs pay per hour?

As of Aug 16, 2026, the average hourly pay for modbus in California is $24.12, according to ZipRecruiter salary data. Most workers in this role earn between $17.79 and $30.14 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 is a Modbus professional?

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.

What are popular job titles related to Modbus jobs in California?

For Modbus jobs in California, the most frequently searched job titles are:

What job categories do people searching Modbus jobs in California look for?

The top searched job categories for Modbus jobs in California are:

Modbus jobs near you
Infographic showing various Modbus job openings in California as of August 2026, with employment types broken down into 95% Full Time, and 5% Contract. Highlights an 95% In-person, and 5% Remote job distribution, with an average salary of $50,160 per year, or $24.1 per hour.

Building Controls Application Engineer

Mantis Innovation

Carlsbad, CA • Remote

$120K - $130K/yr

Full-time

Re-posted 7 days ago

Job description

Position: Controls Application Engineer 
Start Date: Immediate 
 
As a Controls Application Engineer, you will be responsible for developing BMS/SCADA applications at both a supervisory and controller level. You will help refine engineering standards and provide remote support to project and field teams. You will also be involved in providing support across multiple engineering functions within the Controls Engineering group. You should be familiar with both DDC and PLC programming, BACnet & Modbus integrations, and have experience with building graphical front-end client interfaces.
Controls Application Engineering
  • This position will report to the Controls Engineering Manager.
  • Develop BMS applications across multiple platforms: e.g., Niagara, Ignition, Wonderware, Distech, PLC's.
  • Support the development and enforcement of engineering standards for programming, graphics, alarming, tagging, history management, and database creation. 
  • Provide remote technical support to Project Managers and Field Engineers during project execution. 
Qualifications
  • 10+ years of experience in the engineering field, preferably in Building Automation or Controls Engineering. 
  • 5+ years of BMS application development experience, with mission critical experience preferred. 
  • Strong knowledge of DDC control theory & HVAC applications and the ability to apply these principles to real-world scenarios. 
  • Basic networking knowledge; addressing & subnetting, IP + serial device configurations.
  • Comfortable working with industry standard protocol integrations such as: BACnet, Modbus, Ethernet/IP, SNMP, MQTT.
  • Basic networking knowledge, including manipulating PC settings to set up and commission devices on a network. 
  • Experience with servers, network equipment, and IoT practices, specifically for BMS applications. 
  • 2+ years of experience with Niagara platform (Niagara N4 certification is preferred).
  • Familiarity with Distech field controllers and GFX programming, Ignition SCADA, Wonderware, and PLC systems.
  • Proficiency in Microsoft Office Suite.
Competencies
  • Must be able to work independently and in a team, handling multiple tasks across different projects. 
  • Strong troubleshooting skills, with the ability to identify problems and develop effective solutions. 
  • Knowledge of the construction contracting industry, especially in MEP fields, with experience in mission-critical environments a plus. 
  • Understanding of Mechanical and Electrical equipment in typical Mission Critical environments.
This role will provide the opportunity to work in a dynamic and fast-paced environment, where you will gain valuable experience with cutting-edge technologies and play a pivotal role in the successful completion of projects 

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.