Demo

Principal Electrical Design Engineer

Spero
Greenville, SC Full Time
POSTED ON 5/15/2026
AVAILABLE BEFORE 7/15/2026

Principal Electrical Design Engineer

Greenville, SC (Fully Onsite)

Contract / Potential Direct Hire

9/80 Schedule

U.S. Citizen Required

Position Summary

We are seeking a Principal Electrical Design Engineer to provide technical leadership and engineering expertise across all phases of large-scale EPC projects. This position carries oversight of a specific project area, acting as the discipline representative ensuring technical accuracy in project execution. The Principal will perform and lead engineering assignments of advanced complexity under general supervision of the Discipline Lead Engineer.

Basic Requirements (Principal, 15 Years)

- Bachelor of Science in Electrical Power Engineering

- Minimum 15 years of directly related work experience

- Advanced knowledge of discipline codes and standards

- Demonstrated experience managing and leading large EPC projects

- Professional Engineer (PE) license preferred

- U.S. Citizenship required

Key Responsibilities

- Serve as Supervising Lead, providing guidance to engineers and designers

- Analyze and recommend technical solutions to complex engineering problems

- Develop and review specifications, design criteria, and design documents

- Perform and check engineering analyses, calculations, and material specifications

- Coordinate technical issues with other disciplines, project management, vendors, and clients

- Prepare motor schematics, wiring diagrams, and interconnection diagrams

- Develop and review estimates, schedules, and progress reports including effort-hour and staff forecasting

- Establish, control, and report material key quantities with analysis and forecasts

- Provide technical support for procurement including bid evaluations and vendor submittal review

- Support construction administration including responses to RFIs and field changes

- Develop complex area classifications and hazardous area design documents

- Execute work in compliance with Project Quality Plan, scope, cost, and schedule baselines

Preferred Design Experience

- Raceway Distribution: duct bank, embedded conduit, cable tray design; power plans

- Grounding & Protection: equipment grounding plans, buried ground loop, cathodic protection

- Diagrams & Schematics: single line diagrams, power panel schedules, motor schematics, interconnection diagrams

- Specialist Systems: lighting design, heat trace systems, hazardous area classification

Preferred Software Experience

- CAD/Modeling: MicroStation v8i, SmartPlant 3D (S3D), Revit, AutoCAD, Navisworks

- Analysis Tools: ETAP (power systems analysis), Visual Lighting Calculation, SmartPlant Electrical (SPEL)

Codes & Standards Knowledge

- NEC/NFPA: NFPA 70 (National Electrical Code), NFPA 70E (Electrical Safety in the Workplace)

- IEEE Standards: IEEE 141 (Power Distribution), IEEE 142 (Grounding), IEEE 308 (Nuclear Aux Power), IEEE 384 (Nuclear Separation Criteria)

Relevant Industry Experience

Strongly Preferred: Nuclear facilities, DOE-regulated environments, U.S. Federal Government agencies, Manufacturing/Pharmaceutical/Biotechnology

Also Valued: Industrial, Oil & Gas, Chemicals, Commercial, State & Municipal Government

Work Location: In person

Salary.com Estimation for Principal Electrical Design Engineer in Greenville, SC
$72,020 to $92,112
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Principal Electrical Design Engineer?

Sign up to receive alerts about other jobs on the Principal Electrical Design Engineer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$196,704 - $250,368
Income Estimation: 
$100,999 - $135,435
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Spero

  • Spero Owatonna, MN
  • Description EEOC Statement: We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without reg... more
  • 4 Days Ago

  • Spero Simpsonville, SC
  • Company Description Spero Corporation was founded in 1990 to provide professional engineering, construction management and environmental services. Since ou... more
  • 10 Days Ago

  • Spero Greenville, SC
  • Senior Electrical Designer Greenville, SC (Fully Onsite) 9/80 Schedule U.S. Citizen Required Position Summary We are seeking a Senior Electrical Designer t... more
  • 10 Days Ago


Not the job you're looking for? Here are some other Principal Electrical Design Engineer jobs in the Greenville, SC area that may be a better fit.

  • Omega Technical Services Greenville, SC
  • USD $180,000.00 - USD $240,000.00 /Yr. About Us Join Our Mission At Omega Technical Services, every role supports a mission that matters. Whether you're ad... more
  • 14 Days Ago

  • Navarro Research and Engineering Greenville, SC
  • Navarro Research and Engineering is recruiting an Electrical Principal Design Engineer #4000 (3848) in Greenville, SC. Navarro Research & Engineering is an... more
  • 11 Days Ago

AI Assistant is available now!

Feel free to start your new journey!