INTERNSHIP DETAILS

Short Circuit, Coordination, and Arc Flash (SCCAF) Internship

CompanyMcClure Engineering
LocationSt. Louis
Work ModeOn Site
PostedSeptember 11, 2026
Internship Information
Core Responsibilities
Support the engineering team by creating and converting electrical one-line diagrams into SKM Power Tools models for safety studies. Assist in the development of arc flash hazard analyses, coordination studies, and technical documentation for electrical systems.
Internship Type
full time
Company Size
10
Visa Sponsorship
No
Language
English
Working Hours
40 hours
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About The Company
Christopher P. McClure, P.E., Founder and President of McClure Engineering, has over 23 years of experience in the civil engineering field, which includes employment in the private consulting industry, state regulatory environment, and the municipal sector. Mr. McClure founded McClure Engineering in 2007 and has provided outstanding service to clients in both the private and public sectors for cities, towns, state agencies, schools, commercial, industrial, non-profit institutions and individual landowners in 3 states. Peter C. Engle, P.E., joined McClure in 2018 as a Senior Engineer with over eight years of experience in the both the civil and environmental engineering fields Peter's extensive experience as a design engineer and project manager includes site layout design, roadway layout design, hydraulic analysis and calculations, stormwater management design, Title 5 design, solar array layout and architectural design. He holds a professional engineering and soil evaluator licenses. We provide land surveying and civil engineering services to numerous municipal and private sector clients. Our qualified staff has experience with: residential, commercial, industrial, institutional, transportation system, utility, recreational facility and environmental protection projects. We have the capability to assist with all phases of your project, from early conceptual planning through final design, permitting and construction. McClure provides services for a wide variety of drinking water suppliers: municipalities, commercial clients, industrial clients, and small public water systems: design and permitting of new systems, evaluation of existing systems, development of plans for the future expansion of systems, and the performance monitoring for system compliance. McClure’s staff maintains drinking water licenses in MA and RI. We have the staff and resources to see your project through to its final stages.
About the Role

Description

McClure Engineering is currently seeking SCCAF Intern to work alongside our talented engineers and designers dedicated to engineering excellence on a wide range of projects involving complex buildings, data centers and campus systems.? The ideal candidate will enjoy coordinating with the other disciplines and team members assigned to their projects as well as continued learning to ensure the best engineering solutions are provided.? The McClure team takes pride in the depth and breadth of knowledge on its bench and believes engineering excellence is driven by the fundamentals of math and science along with the intuition about all things mechanical/electrical.  


Description: 

Support the engineering team by preparing detailed electrical system drawings and documentation for short circuit, coordination, and arc flash (SCCAF) studies. This role involves creating from scratch or converting AutoCAD/PDF one-line diagrams into SKM Power Tools models, assisting with data entry, and producing technical reports that support electrical safety and compliance with NFPA 70E and IEEE 1584 standards. 

  • Convert electrical one-line diagrams into SKM models under the guidance of senior SCCAF staff. 
  • Assist in assembling Time-Current Curve (TCC) reports and coordination studies for overcurrent protective devices. 
  • Support the development of arc flash hazard analyses, including incident energy calculations and PPE recommendations. 
  • Maintain accurate documentation of system components, device settings, and field-collected data. 
  • Collaborate with internal teams and external partners (e.g., Owners, Clients, Contractors, etc.) to ensure data accuracy and project alignment. 
  • Participate in quality control reviews of SKM model content and report outputs. 
  • Other duties as assigned 


Requirements

 Educational Requirements and Qualifications 

  • In the process of obtaining an Associate’s or Bachelor’s degree in Electrical Design, Electrical Engineering, or related technical field. 
  • Proficiency AutoCAD or Revit; familiarity with SKM Power Tools is a strong plus. 
  • Basic understanding of electrical systems and one-lines, short circuit behavior, protective device coordination, and arc flash principles. 
  • Strong attention to detail and ability to follow technical instructions. 
  • Effective communication skills and ability to work collaboratively in a team environment. 

Preferred Skills 

  • Experience with electrical safety standards (NFPA 70E, IEEE 1584). 
  • Exposure to electrical system studies or power system modeling. 
  • Ability to interpret electrical specifications, construction drawings, and equipment data sheets. 
  • Ability to sort through System Shop Drawings and Submittals to obtain specific equipment information to be utilized in power system modeling. 
  • Working knowledge of Microsoft Excel with the ability to organize imported data and format for deliverable review. 
  • Familiarity with Bluebeam Revu for PDF document review and markup. 

Work Environment 

  • Work environment is primarily indoors at firms’ facility, with approximately 10% of time spent indoors/outdoors at project or construction sites where hard-hat and other safety gear is often required. (PPE is provided by firm.)  
  • While performing field work associated with this position employee will be required to stand, walk, bend, kneel, stoop, crouch, crawl and carry and/or climb ladders of varying heights.  
Key Skills
AutoCADRevitSKM Power ToolsElectrical EngineeringShort Circuit AnalysisArc Flash AnalysisNFPA 70EIEEE 1584One-line DiagramsTechnical ReportingData EntryMicrosoft ExcelBluebeam RevuProtective Device CoordinationElectrical Safety
Categories
EngineeringConstructionEnergyTechnology