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Principal Engineer-Event Analysis

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Location: OAKBROOK TERRACE, IL, United States
Organization: ComEd
Job ID: 230681
Date Posted: May 12, 2021

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Job Description


At Exelon, we've got a place for you!

Join the nation's leading competitive energy provider, with one of the largest electricity generation portfolios and retail customer bases in the country. You will be part of a family of companies that strives for the highest standards of power generation, competitive energy sales, and energy delivery. Our team of outstanding professionals is focused on performance, thought leadership, innovation, and the power of ideas that come from a diverse and inclusive workforce.

Exelon will provide you the tools and resources you need to design, build and enhance a successful career. We are also dedicated to motivating the success of our employees through competitive base salary, incentives, and health and retirement benefits.

Join Exelon and share your passion at a forward-thinking Fortune 100 company. Establish yourself in a place where you can truly shine and create a brighter, more sustainable tomorrow. Energize your career at Exelon!



Provide operational analysis and support to multiple areas for transmission, distribution, and substation automatic operations and for system faults.  Provide operational analysis for abnormal transmission, distribution, and substation and associated equipment conditions.  Analyze protection system failures including providing root causes and feedback to design engineering as required.  Provide a single point of contact to operations, field testing group, and other engineering and field personnel for analysis of risk and prioritizing work related to operating equipment with degraded protection systems.  Support power quality and claims investigations.

Position may be required to work extended hours, including coverage during storms or other energy delivery emergencies.



  • Improve the company’s ability to find the cause of system events and fixing causes to avoid repeat events.
  • Influences the direction of future protection system designs.
  • Influences the speed with which power and protection systems are returned to normal following system faults/events.
  • Influences operations and project decisions having a significant impact on the company.
  • Applies technical knowledge to help promote a safe work environment and to enhance customer satisfaction

Primary Duties and Responsibilities:

Provide fault location information on an immediate basis for all 69kV and above line automatic operations (trip and reclose or lockout), all critical 34kV line operations (eg airport lines), and 34kV line operations where load is down on an immediate basis.  Fault location for trip and reclose of 34kV line operations is generally provided on the next business day.

Provide guidance to transmission and distribution operations, field testing group, and others on system alarm conditions, degraded protection conditions, event analysis, etc.

Review and analyze protective relay event records to determine fault type and protective relay performance.  Provide recommendations and implements action plans to improve performance and cost effectiveness.

Provide system event information to support power quality investigations related to customer complaints.  Provide system event information to support claims department investigations.

Utilize PI (SCADA Historian) and syncrhophasors to observe pre/post event system data and analyze events.

From relay target data and equipment operations, evaluate protection and equipment performance for the event.  Generate Corrective Maintenance (CM's) Work Requests to address identified abnormalities and where extended conditions identify a systematic problem, programs will be created to resolve the identified condition.

Provide direction to Operations, T&S, and Asset Management areas based on the event analysis and areas to focus efforts.

Perform CAPE/CYME fault study's to determine/confirm fault location as well as validate system model.  Utilize the FALLS lightning service to validate lightning strikes in proximity to equipment and event times. 

From relay target data and equipment operations, evaluate protection and equipment performance for the event.  Corrective Maintenance (CM's) Work Requests are generated to address identified abnormalities and where extended conditions identify a systematic problem, programs will be created to resolve the identified condition.

Participate in technical and industry societies and committees to enhance knowledge of new technologies or issues in areas of company interest.







  • Master of Science degree in Engineering or Licensed Professional Engineer
    • Ability to analyze and interpret complex electrical and mechanical systems.
    • Knowledge and ability to apply problem solving approaches and engineering theory.
    • Knowledge of engineering designs, principles and practices.
  • Ten years or more of experience in specific areas of engineering and recognized industry expert (Requirement reduced by one year for Licensed Professional Engineer).
  • Advanced knowledge and experience with regulations, guides, standards, codes, methods, practices, and advanced engineering principles.
  • Advanced knowledge of latest technologies necessary to perform a variety of specialized unique or complex assignments for various installation types of services.
  • Industry expert who participates or leads industry committee or working groups or has published technical documents.


  1. 5 or more years of experience working on the ComEd system such as in ComEd’s Testing Group, Relay or SCADA Engineering, or the DA Group.
  2. Strong teamwork, interpersonal skills and the ability to communicate with all management levels.
  3. Strong written and oral communication skills.
  4. Licensed Professional Engineer (2) (3)


Exelon is proud to be an equal opportunity employer and employees or applicants will receive consideration for employment without regard to: age, color, disability, gender, national origin, race, religion, sexual orientation, gender identity, protected veteran status, or any other classification protected by federal, state, or local law.

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