HMI/PLC Programmer

Job Locations US-CO-Littleton | US-CA-Sacramento | US-CA-Walnut Creek | US-TN-Nashville | US-VA-Arlington
ID 2022-2361
Full-time, Regular


Would you like to be a part of a dynamic team of professionals that is truly passionate about our work? Are you interested in working for an organization that does meaningful work, fosters a collaborative team culture, and creates a diverse, inclusive environment where you feel like you belong? If this sounds like you, talk to us about joining our team. 

Carollo Engineers is a nationally recognized environmental engineering firm that specializes in the planning, design, and construction of water and wastewater facilities. Our vision is to become the best water consulting firm in the United States, and we are looking for motivated, talented people to help us reach that goal. We are seeking a HMI Programmer to support Carollo's vision of becoming the best water consulting firm in the United States. 


  • Performs routine HMI programming assignments 
  • Ability to complete a project following project drawings, specifications, and PLC logic 
  • Maintains and modifies graphic libraries, tests and documents modifications, and writes operator instructions 
  • Reviews objectives and assignment details with higher level staff to insure thorough understanding 
  • Uses judgment in selecting among authorized procedures and seeks assistance when guidelines are inadequate, significant deviations are proposed or when unanticipated problems arise.


  • Minimum 3 years' experience in SCADA system programming 
  • Experience developing HMI programs for small to large size SCADA/Telemetry projects 
  • Experience using one or more of the following industry standard programming software packages: 
    • Aveva System Platform/Citect SCADA 
    • Rockwell FactoryTalk View 
    • GE iFix 
    • Trihedral VTScada 
  • Experience with industrial communication networks 
  • Experience with object based control system design methods 
  • Ability to perform onsite troubleshooting with limited support 
  • Ability to travel up to 40% as needed 
  • Strong verbal and written communication skills 
  • Have the ability to communicate effectively with clients and project team 
  • Highly motivated, articulate, and self-starting 
  • Valid driver's license 

Preferred Qualifications

  • Experience in the water and wastewater industry 
  • Knowledge of industrial control network and panel design 
  • Ability to apply existing HMI programming knowledge to learn new software independently 
  • Passion for collaborating with other disciplines to develop leading-edge concepts 
  • Application of engineering principles including critical thinking, analysis, statistics, and innovative techniques 
  • Bachelor's Degree in Computer Science, Electrical Engineering, or Similar degree.

Other Compensation and Benefits

Carollo is committed to providing employees with a competitive, comprehensive benefits program that provides the care 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 and discount programs. 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.  


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