Senior PLC/OIT/HMI Programmer

Keystone Engineering Group, Inc.; Seaford (DE); Hybrid; USD 90,000 - 120,000; Full time

Benefits offered by this job

Hybrid work schedule

401K Plan

Paid Time Off

Company paid Life Insurance

Short & Long Term Disability

Holidays

Pet Friendly Environment

Job summary

Keystone Engineering Group, Inc. is seeking a skilled electrical engineer with 5–8 years of PLC/OIT/HMI programming experience to join our design-build team in the water and wastewater sector.

You will develop and troubleshoot PLC, OIT, and SCADA programs, mentor junior staff, and travel locally to client sites with occasional overnight stays while supporting Hybrid work arrangements and career development opportunities.

Qualifications

• Associate's or Bachelor's degree in Electrical Engineering, Computer Science, or a related field.
• 5–8 years of experience in PLC/OIT/HMI programming or related roles.
• Knowledge of I&C systems used in water/wastewater is a plus.
• Advanced knowledge of PLC programming languages (Ladder Logic, Function Block, Structured Text) and HMI software.
• Strong analytical, problem-solving, communication, organizational, and time management skills.
• Strong leadership and mentoring skills.
• Ability to prioritize tasks and maintain attention to detail.
• Proficient in Microsoft Office Suite.

Responsibilities

• Program and integrate moderate to advanced control systems including PLC, OIT, HMI, Reporting, and Alarming.
• Development of PLC, OIT, and SCADA system programs.
• Conduct troubleshooting of field control systems.
• Provide technical support in resolving equipment and process issues.
• Ability to conduct startup activities independently.
• Compile standard reports for the Programming Manager.
• Understand control panel drawings, network drawings, and I/O lists, and identify corrections.
• Participate in QC review with focus on intermediate/advanced programming.
• Travel to client sites locally with occasional overnight trips.
• Support hybrid work schedule and professional development.

Skills

PLC/OIT/HMI programming

Strong communication

Leadership and mentoring

Detail oriented

Independent work

Microsoft Office

Education

Associate's or Bachelor's in Electrical Engineering, Computer Science, or related field

Tools

Ladder Logic

Function Block

Structured Text

HMI software

SCADA

Reporting/Alarming

Job description

Keystone Engineering Group, Inc. is seeking a skilled electrical engineer with 5–8 years of PLC/OIT/HMI programming experience to join our design-build team in the water and wastewater sector.

You will develop and troubleshoot PLC, OIT, and SCADA programs, mentor junior staff, and travel locally to client sites with occasional overnight stays while supporting Hybrid work arrangements and career development opportunities.