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Modbus Jobs in California (NOW HIRING)

City Brewing Co

Controls Engineer

Irwindale, CA · On-site

$100 - $125/hr

DH-485 * Modbus * Modbus Plus * Troubleshoots systems including but not limited to: electrical, instrumentation and controls * Electrical schematic design and drafting using AutoCAD Electrical

PDS Tech Commercial

Software Engineer

Sunnyvale, CA · On-site

$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 ...

Newlight Technologies, Inc.

Electrical Engineer

Alameda, CA · On-site

$100 - $125/hr

Working knowledge of CAN, RS-485, Modbus, or similar industrial communication protocols. * Hydrogen, methanol, CNG, or other alternative-energy systems. * Wire harnesses, junction boxes, ruggedized ...

New

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 ...

Valknut Automation

PLC Programmer

Fremont, CA · On-site

$74K - $101K/yr

Configure and support industrial networks (EtherNet/IP, Modbus, Profinet, etc.), including addressing, diagnostics, and communication between PLCs, drives, and instrumentation. Set up, calibrate, and ...

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 ...

MM International

Controls Technician

San Leandro, CA · On-site

$40/hr

Industrial networks (Ethernet/IP, Modbus, Profibus) * Ability to troubleshoot electrical and instrumentation systems * Familiarity with safety practices such as LOTO and arc flash is nice to have.

ControlsJobs

BAS Programmer

San Francisco, CA · On-site

$100 - $125/hr

Perform third-party integrations (BACnet, Modbus, LON, etc.) * Set up alarms, trends, graphics, and user interfaces Project & Client Scope: * Project Types: Design-Build, Retrofits, Service What ...

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All JobsModbus JobsModbus Jobs in California

Modbus information

See California salary details

$12

$24

$38

How much do modbus jobs pay per hour?

As of Sep 8, 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 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 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 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 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 97% Full Time, 1% Part Time, and 2% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution, with an average salary of $50,160 per year, or $24.1 per hour.

Controls Engineer

City Brewing Co

Irwindale, CA • On-site

$100 - $125/hr

Other

Medical, Dental, Vision, Life, Retirement

Posted 20 days ago

Key responsibilities

  • Design and program PLC and HMI software for packaging equipment.

  • Troubleshoot control systems, electrical, instrumentation, and controls.

  • Create, update, and modify machine, part, or facility schematics using CAD.

City Brewing Company rating

8.5

Company rating: 8.5 out of 10

Based on 11 frontline employees who took The Breakroom Quiz

37th of 445 rated food and drinks producers

Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

Management Irwindale, CA, US

4 days ago Requisition ID: 1701

Salary Range: $110,000.00 To $130,000.00 Annually

City Brewing Company – Who We Are

With our roots in La Crosse, WI, we are proud to be North America’s largest co‑packager of alcoholic beverages with four locations across the United States. Through our focuses on Safety throughout our facilities, Quality of products produced for our customers, Communication at all levels, Growth of not just our locations but also of our employees in their careers, and Performance with our ability to meet deadlines and goals for ourselves and our customers, we pride ourselves on the brand we have created and continue to grow.

Job Summary

Controls Engineers are key to ensuring the success and efficiency of our highspeed equipment throughout our production and warehousing spaces. This individual will work in a variety of areas of the manufacturing facility developing PLC and HMI code for automated packaging equipment while also troubleshooting industrial controls and electrical systems. They will also provide mentorship and coaching to our Controls Technicians and ensure Operations leaders are informed of any challenges or opportunities of improvement on the floor.

Duties and Responsibilities
  • Design and program all aspects of PLC/HMI software for packaging equipment
  • Test and debug control systems
  • Create, update, and modify machine, part or facilities schematics using a CAD program
  • Both AC and DC Drive experience with various drive platforms
  • Write and modify, extensive PLC’s and HMI’s programs for the following:
    • Rockwell Automation\Allen Bradley
    • Modicon
    • Troubleshoot or establish control networks.
    • EtherNet / IP
    • DeviceNet
    • DH-485
    • Modbus
    • Modbus Plus
  • Troubleshoots systems including but not limited to: electrical, instrumentation and controls
  • Electrical schematic design and drafting using AutoCAD Electrical
  • Troubleshoots process control systems in particular packaging line control systems
  • Performs all duties within GMP standards
  • Performs all functions as required within the CMMS
  • Train, mentor and coach trainees and front line automation techs
  • Perform additional duties as assigned
  • Responsible for department compliance with GMP, HACCP and FSMA guidelines
Minimum Qualifications
  • Degree in Electrical Engineering, or 5+ years’ experience in PLC controls engineering in lieu of degree
  • Alen Bradley PLC and motion controls experience
  • Skilled in RS Logix 500 and Studio
  • Prior experience in root cause analysis and continuous improvement
  • System process controls and line balancing experience
  • Advanced knowledge of electrical systems, control power and drives, sanitary control principals, operation and trouble shooting
  • Excellent communication, planning, and prioritization
  • Strong leadership and team skills

City Brewery provides a competitive salary and benefit package that includes: Health, Dental, Vision, Life, and Long Term Disability Insurance; Section 125; 401(k) and a paid 30-minute meal period. The Company also contributes monthly towards the employee elected health and dental benefits.

Selected candidate must be willing to work any and all shifts, weekends and holidays when necessary to cover the needs of the business.

City Brewery is an Equal Opportunity Employer, and all applicants will be considered without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran, or disability status.

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