Mid Level SCADA/PLC Programmer
Carollo Engineers, Westminster, Colorado, United States, 80031
Overview
Carollo Engineers is a leading engineering firm dedicated exclusively to water. For over 90 years, we've specialized in the planning, design, and construction of water, wastewater, stormwater, and reuse facilities, bringing innovative and sustainable solutions to the water sector's most complex challenges.
We work with water agencies, municipalities, utilities, research organizations, and private companies across various industries, including technology, manufacturing, and beyond. These clients choose Carollo because we employ some of the most knowledgeable and experienced professionals in the world. When you join our team, you'll work alongside industry leaders who are advancing the science of water, protecting public health, and building resilient communities.
Carollo's vision is to be the best water consulting firm and the best place for you to build your career. If you're passionate about making a difference in this critical field, we invite you to explore a career with Carollo.
This posting is scheduled to expire on 02/28/2026 if the position has not been filled prior to that date.
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
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
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 employee's 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. Carollo's 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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We can recommend jobs specifically for you!EOE including disability/veteran (https://careers-carollo.icims.com/connect?back=intro&findajob=1&in_iframe=1&hashed=-626002157)
Job Locations
US-CO-Littleton | US-CA-Sacramento | US-WA-Seattle | US-CO-Westminster
ID
2024-3550
Category
Engineering
Type
Full-time, Regular
Carollo Engineers is a leading engineering firm dedicated exclusively to water. For over 90 years, we've specialized in the planning, design, and construction of water, wastewater, stormwater, and reuse facilities, bringing innovative and sustainable solutions to the water sector's most complex challenges.
We work with water agencies, municipalities, utilities, research organizations, and private companies across various industries, including technology, manufacturing, and beyond. These clients choose Carollo because we employ some of the most knowledgeable and experienced professionals in the world. When you join our team, you'll work alongside industry leaders who are advancing the science of water, protecting public health, and building resilient communities.
Carollo's vision is to be the best water consulting firm and the best place for you to build your career. If you're passionate about making a difference in this critical field, we invite you to explore a career with Carollo.
This posting is scheduled to expire on 02/28/2026 if the position has not been filled prior to that date.
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
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
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 employee's 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. Carollo's 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.
#LI-CW1
Need help finding the right job?
We can recommend jobs specifically for you!EOE including disability/veteran (https://careers-carollo.icims.com/connect?back=intro&findajob=1&in_iframe=1&hashed=-626002157)
Job Locations
US-CO-Littleton | US-CA-Sacramento | US-WA-Seattle | US-CO-Westminster
ID
2024-3550
Category
Engineering
Type
Full-time, Regular