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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Automation and Systems engineer - **Company:** California Sugar Refiners LLC - **Location:** San Diego, CA, United States - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), Application Programming Interfaces (APIs), Systems Engineering, Automation of Tests, Cascading Style Sheets (CSS), Computer Programming, Control Panels, Data Integration, Data Loss, Digital Technology, Ethernet, Supervisory Control and Data Acquisition (SCADA), Python (Programming Language), Modbus, Network Segmentation, PID Controllers, Rslogix, Software Engineering, Software Systems, Structured Text, Transmission Control Protocol (TCP), Web Applications, Backup and Restore, Data Logging, Control Structures, Tia Portal, Script Language, Information Technology, Gsuite, Iec61131-3, Allen-Bradley Factory Automation Equipment, Software Version Control, Api Management, Win CC - **Published:** October 31, 2026 - **Apply:** https://www.juju.com/job/15_afee9a61 ## About the Role To perform this job successfully, the individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. Preferred Education and/or Experience: * Bachelor's degree in Mechatronics Engineering, Automation Engineering, Manufacturing Engineering, Electrical/Electronics Engineering, Computer Science, or related technical field. * Minimum of 1+ year of hands-on experience in internal application development, industrial programming, PLC systems, or plant operational software systems. * Proficiency with Allen-Bradley (Studio 5000) and Siemens (TIA Portal) PLC platforms, IEC 61131-3 languages (Ladder, Structured Text), and HMI design (FactoryTalk View, WinCC) * Hands-on expertise in web stack programming: JavaScript, HTML, CSS, Python, Google Apps Script, and API integrations. * Skills: Strong analytical troubleshooting and root-cause problem-solving capabilities in high-speed industrial environments. * Ability to interpret electrical schematics, P&ID diagrams, panel layouts, and loop diagrams. * Knowledge of industrial instrumentation (4-20 mA calibration, PID loop tuning, VFD setup). * Familiarity with food safety standards (SQF, HACCP, GMP) and industrial electrical safety (NFPA 70E, LOTO). * Ability to manage multiple engineering projects simultaneously and communicate complex technical concepts clearly. * Specific physical & visual abilities required: Close vision, distance vision, color vision, depth perception, and ability to adjust focus. While performing the duties of this job, the employee is regularly required to sit at a workstation, walk plant floors, reach with hands/arms, use hands to handle or feel technical equipment, and occasionally lift/move up to 25-50 lbs of testing tools/equipment. ## Description Include the following. Other duties will likely be assigned. * Internal Applications & Digital Ecosystem: Design, develop, deploy, and maintain internal web applications and digital systems (using Google Apps Script, JavaScript, HTML, CSS, Python, Google Workspace) supporting plant operations, maintenance, quality, and packaging. * User Experience & Mobile Interfaces: Develop mobile-first and tablet-friendly (iPad) interfaces for plant operators with bilingual support (English/Spanish) to ensure seamless usability and adoption across production shifts. * Data Integration & Real-Time Dashboards: Connect sensors, field data, lab results, and CCP parameters into real-time production dashboards and plant TV displays using APIs, controlled polling, and custom reporting tools. * PLC & HMI/SCADA Automation Systems: Program, troubleshoot, and maintain Allen-Bradley (Studio 5000, RSLogix) and Siemens (TIA Portal) PLCs, as well as FactoryTalk View and WinCC HMI/SCADA applications across all processing lines. * Control Loops & Field Instrumentation: Specify, calibrate, and tune PID control loops and field instrumentation (4-20 mA, HART, RTDs, thermocouples, pressure/level/flow transmitters, control valves) for sugar refining processes. * Industrial Networks & Hardware: Design and manage industrial Ethernet networks (EtherNet/IP, Profinet, Modbus TCP/RTU), VFDs (Allen-Bradley PowerFlex, Siemens Sinamics), and soft starters, ensuring OT network segmentation from corporate IT. * System Backups & Version Control: Maintain rigorous version control, full documentation, P&IDs, loop diagrams, I/O lists, and routine backups for all PLC, HMI, SCADA, and internal codebases to prevent downtime and data loss. * Continuous Improvement & Engineering Projects: Lead automation, digitization, and process optimization projects from requirement gathering and technical/financial justification to execution, commissioning, and final handoff. * Safety Interlocks & System Standards: Implement equipment safety interlocks, permissives, and emergency shutdown logic in PLCs to protect personnel, machinery, and product integrity. * Quality, SQF & HACCP Compliance: Support SQF, HACCP, Good Manufacturing Practices (GMP), and food defense standards by ensuring automated systems maintain accurate CCP data logging, audit trails, and process traceability. * Electrical Safety & Technical Support: Adhere to NFPA 70E arc flash safety and Lockout/Tagout (LOTO) protocols during control panel interventions. Provide user support, technical documentation, training, and vendor/integrator coordination.