PLC Programmers

Overview Carollo Engineers is an internationally recognized environmental engineering firm that specializes in the planning, design, and construction of water and wastewater facilities. We are looking for a SCADA/PLC Programmer to design, develop, and troubleshoot control systems that seamlessly integrate with plant operations, driving improved efficiency, reliability, and performance.
Are you the right candidate for this opportunity Make sure to read the full description below.
Responsibilities
Design, develop, and implement SCADA and PLC control systems for water and wastewater treatment processes
Program, test, and troubleshoot PLCs (Allen Bradley, Schneider, Siemens, etc.) to control various plant equipment and processes
Develop HMI applications for operator interfaces, including configuring graphics, alarms, and data trends to support plant operations
Maintain and modify existing SCADA systems, ensuring efficient and reliable performance across all operational systems
Collaborate with engineering teams to develop system specifications and requirements, integrating automation solutions with mechanical, electrical, and process systems
Perform system testing, simulation, and commissioning of SCADA and PLC systems in new installations or upgrades
Diagnose and resolve control system issues, providing technical support for system malfunctions or operational problems
Participate in field service and commissioning activities, ensuring proper implementation of control strategies and seamless system startup
Document control system designs and configurations, including wiring diagrams, PLC logic, and HMI screen layouts
Stay updated on industry trends and technology advancements, applying knowledge to continuously improve system functionality and efficiency
Qualifications
~5-10 years of hands-on experience with SCADA, PLC, and HMI programming in industrial automation, preferably in water/wastewater treatment or a similar process-driven environment
~ Proficiency in programming PLCs (e.g., Allen Bradley, Siemens, Schneider) and experience with automation protocols such as Modbus, Ethernet/IP, or Profibus
~ Experience with SCADA software platforms such as Wonderware, Ignition, GE iFix, or similar
~ Understanding of HMI development, including graphical user interfaces, alarm management, and real-time data trending
~ Strong foundation in control systems design and troubleshooting, including electrical and instrumentation systems
~ Knowledge of networking and communication protocols used in industrial control systems (e.g., TCP/IP, OPC)
~ Familiarity with industrial control hardware, including VFDs, sensors, actuators, and other field devices
~ Ability to read and interpret electrical schematics and P&IDs (Piping and Instrumentation Diagrams)
~ Proven ability to diagnose and troubleshoot control system issues and conduct root cause analysis
~ Strong technical documentation skills, including the ability to write technical reports, user manuals, and system documentation
~ Excellent communication skills, both written and verbal, for collaborating with multidisciplinary teams and providing technical support to operators and maintenance personnel
~ Willingness to travel to job sites for installation, commissioning, and troubleshooting

Preferred Qualifications
Advanced training in communication protocols like Modbus Serial, Modbus TCP, A/B Ethernet IP, Siemens/Profibus, DNP3, MQTT
Bachelors degree in electrical engineering, computer engineering, automation, or a related field
Certifications such as ISA Certified Automation Professional (CAP) or related credentials are a plus
Pay Range $85,000 to $145,000 annually. This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting. We may ultimately pay more or less than the posted range, and the range may be modified in the future. An employees pay within the salary range will be based on several factors including, but limited to, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs.
Other Compensation And Benefits Carollo is committed to providing employees with a competitive, comprehensive benefits program that provides the support employees and their families need to lead healthy, productive lives. Carollos benefits package includes paid time off and holidays, comprehensive health insurance coverage, pre-tax savings account options for healthcare, dependent care and commuter expenses, disability insurance and life insurance options for you and your dependents. We also offer free Caregiver Support, Travel Assistance, counseling services, discount programs, and a Lifestyle Reimbursement Account. Other compensation that may be available includes: 401(k) company contribution matching, tuition reimbursement, discretionary bonuses, career advancement bonuses, professional registration bonuses, employee referral bonuses, and compensatory time for exempt employees. Flexible work arrangements may also be available. Eligibility for benefits varies based on employment status.
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