Weekend Senior Scada Engineer Jobs in Chicago, IL

• Design, configure, and support SCADA, RTU, HMI, and automation systems for utility and substation projects.
• Develop SCADA architecture, communication diagrams, I/O lists, point databases, and system integration documentation.
• Develop and review wiring diagrams, control schematics, communication drawings, and network layouts.
• Coordinate with Protection & Controls engineers to integrate relay data, alarms, status points, and control functions into SCADA systems.
• Support communication protocols such as DNP3, Modbus, IEC-61850, and Ethernet-based industrial networks.
• Perform system testing, factory acceptance testing (FAT), site acceptance testing (SAT), and commissioning support.
• Interface directly with clients, vendors, and project teams to define system requirements and resolve technical issues.
• Assist with equipment specifications, procurement packages, technical evaluations, and construction support activities.
• Participate in site visits, startup activities, troubleshooting efforts, and field investigations as required.
• Ensure all deliverables meet client requirements, industry standards, and Nexus quality expectations.

• Bachelor's degree in Electrical Engineering, Electrical Engineering Technology, or related field.
• 3+ years of SCADA, automation, controls, power delivery, utility, or industrial systems experience.
• Experience with RTU configuration, control systems integration, or substation automation projects.
• Experience interpreting electrical schematics, wiring diagrams, and communication drawings.
• Knowledge of SCADA and communication protocols including DNP3, Modbus, IEC-61850, or similar.
• Familiarity with substation automation systems, relays, RTUs, HMIs, and communication networks.
• Experience with AutoCAD, AutoCAD Electrical, or equivalent design software.
• Proficiency with Microsoft Office applications.
• Strong troubleshooting, analytical, organizational, and communication skills.
• Ability to work effectively in a team-oriented environment.

• Engineer-in-Training (EIT) certification.
• Professional Engineer (PE) license or progress toward licensure.
• Experience with SEL RTACs, SEL relays, Schweitzer Engineering Laboratories equipment, GE, ABB, Siemens, or similar utility automation platforms.
• Experience supporting transmission or distribution utility clients.
• Experience with networking, cybersecurity, and industrial communication systems.
• Commissioning or startup experience.

About Nexus Engineering Group

Nexus Engineering Group, a distinguished independent full-service engineering, procurement, and construction management (EPCm) firm, provides comprehensive support to clients from concept through startup. With over a decade of demonstrated engineering and design success, Nexus stands out as the firm of choice for those valuing integrity and expertise.

At Nexus, you will be part of a talented and passionate team dedicated to excellence and innovation. We foster a collaborative and engaging work environment, making it a place where you’ll enjoy contributing to impactful projects. Joining Nexus means aligning with a firm renowned for its creativity, dedication, and relentless focus on achieving client goals.

Equal Opportunity Employer & Reasonable Accommodation

Nexus Engineering Group, Inc. is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.

Nexus Engineering Group is committed to providing reasonable accommodations to qualified individuals with disabilities throughout the application and hiring process. If you require an accommodation to participate in any part of the recruitment process, please contact us at careers@nexusegroup.com. 

Sponsorship & Work Authorization

Nexus Engineering Group does not provide employment visa sponsorship of any kind, including CPT, OPT, or employment-based visas. Candidates must be currently authorized to work in the United States and must be able to maintain that authorization throughout employment without any action, filing, or sponsorship by the company. This requirement applies both at the time of hire and on a continuing basis for the duration of employment. 

Third‑Party Agency Notice

Nexus Engineering Group does not accept unsolicited resumes or candidate submissions from external recruiters or agencies. We only engage approved third‑party partners under a written agreement initiated by our Talent Acquisition team for specific searches. Any resumes submitted without prior authorization or a current agreement will not be eligible for placement fees and will be considered the property of Nexus Engineering Group.

We may use AI tools to help our recruitment team review and organize applications. These tools support — but never replace — human judgment, and final hiring decisions are made by people. If you’d like to know more about how your data is handled, contact us at careers@nexusegroup.com.