Carollo Engineers · 2 weeks ago
Mid Level SCADA/PLC Programmer
Carollo Engineers is an internationally recognized environmental engineering firm specializing in the planning, design, and construction of water and wastewater facilities. They are seeking a Mid Level SCADA/PLC Programmer to design, develop, and troubleshoot control systems that enhance plant operations and efficiency.
ConstructionConsultingManufacturingRenewable EnergySustainabilityWaste ManagementWater Purification
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
Qualification
Required
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
Advanced training in communication protocols like Modbus Serial, Modbus TCP, A/B Ethernet IP, Siemens/Profibus, DNP3, MQTT
Bachelor's 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
Benefits
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
Free Caregiver Support
Travel Assistance
Counseling services
Discount programs
Lifestyle Reimbursement Account
401(k) company contribution matching
Tuition reimbursement
Discretionary bonuses
Career advancement bonuses
Professional registration bonuses
Employee referral bonuses
Compensatory time for exempt employees
Flexible work arrangements may also be available
Company
Carollo Engineers
Carollo Engineers is a full-service environmental engineering firm that plans, designs, and constructs water and wastewater facilities.
H1B Sponsorship
Carollo Engineers has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (25)
2024 (22)
2023 (29)
2022 (17)
2021 (18)
2020 (12)
Funding
Current Stage
Late StageRecent News
2025-04-03
2025-04-03
2025-04-03
Company data provided by crunchbase