Electrical Designer

Key Responsibilities

Substation Physical Design & Drafting

• Prepare detailed AutoCAD drawings for substation physical design, including:
  • General arrangements (GAs), plans, elevations, and sections
  • Equipment layouts and clearances
  • Conduit, cable trench, and duct bank routing
  • Grounding plans and details
  • Control house layouts and interface details
• Develop drawing packages at 30%, 60%, 90%, and IFC stages
• Incorporate owner standards, utility specifications, and project go-by drawings
• Revise and maintain drawings based on internal QA/QC and client comments

Protection & Control (P&C) Design Support

• Draft and update:
  • AC and DC schematics
  • Wiring and interconnection diagrams
  • Panel layouts and elevations
  • Cable schedules and termination drawings
• Support relay and control engineers with drawing production and redlines
• Assist with as-built documentation and design updates

General Design Support

• Coordinate with electrical, civil, and structural designers to ensure drawing consistency
• Support drawing registers, transmittals, and document control
• Follow internal CAD standards, layering conventions, and title block requirements
• Participate in drawing reviews and address comments efficiently
  
  Required Qualifications
  • Associate degree or technical certificate in Electrical Engineering Technology or similar (Bachelor’s preferred but not required)
  • 3-8+ years of experience as an Electrical Designer or Drafter, preferably in substation or power delivery projects
  • Strong proficiency in AutoCAD (utility or EPC experience strongly preferred)
  • Practical understanding of:
    • High-voltage substations (AIS or GIS)
    • Substation equipment and layouts
    • Basic P&C concepts (CTs, PTs, relays, panels, AC/DC systems)
  • Ability to work from engineer sketches, redlines, and markups
  • Strong attention to detail and ability to manage multiple drawing packages concurrently
  Preferred Qualifications
  • Experience with AutoCAD, Micro Station
  • Familiarity with utility standards (e.g., National Grid, NYPA, ISO-NE, NYISO, PJM)
  • Experience supporting wind, solar, BESS, or data center substations
  • Understanding of IEEE substation standards (layout, grounding, clearances)
  • Experience working in multi-disciplinary project teams
  Benefits & Reward

  At Mott Mac Donald, our employees have a stake and a voice in our business, providing them with a direct connection to our success through our personal and group performance bonuses. We provide a comprehensive benefit package that includes 401k, medical, dental and vision insurance, short-term/long-term disability, paid holidays, PTO, parental leave, and company paid life insurance.

  Individual pay is determined based on several factors such as work location, education, experience, and unique skills.

  The expected salary for this position is $97,000 - $119,000.

  Collaboration at Our Core

  At Mott Mac Donald, we believe great ideas happen when we’re together. Our hybrid approach centers on an in-office culture, with most of your time spent collaborating face-to-face and a minimum of three days per week in the office. We balance flexibility with connection, so you and your manager can choose how to meet client, team, and personal commitments.

  Equal opportunity is the law.

  We seek to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they have the opportunity to contribute.

  All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, creed, marital status, sexual orientation, gender identity, citizenship status or disability status.