Electrical Substation CAD Designer

Mott MacDonald; Boston (MA); Hybrid; USD 97,000 - 119,000; Full time

Benefits offered by this job

401k

Medical insurance

Dental insurance

Vision insurance

Short-term/long-term disability

Paid holidays

PTO

Parental leave

Life insurance

Job summary

Mott MacDonald in Boston area is seeking an Electrical Designer/Drafter with 3–8+ years to prepare detailed AutoCAD drawings for substation physical design, including GA plans, layouts, grounding, and control houses, with 30%, 60%, 90%, and IFC stages.

You will support P&C design with AC/DC schematics, wiring diagrams, panel layouts, and cable schedules, while coordinating with multi-disciplinary teams to ensure CAD quality across projects. The hybrid model requires three on-site days per week.

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

Responsibilities

• Substation Physical Design & Drafting
• Drafting and update: AC and DC schematics, wiring and interconnection diagrams, panel layouts and elevations, cable schedules
• Coordinate with electrical, civil, and structural designers to ensure drawing consistency and follow CAD standards
• Participate in drawing reviews and address client/comments efficiently

Skills

Electrical design

Attention to detail

Education

Associate degree or technical certificate in Electrical Engineering Technology

Bachelor’s degree preferred

Tools

AutoCAD

MicroStation

Job description

Mott MacDonald in Boston area is seeking an Electrical Designer/Drafter with 3–8+ years to prepare detailed AutoCAD drawings for substation physical design, including GA plans, layouts, grounding, and control houses, with 30%, 60%, 90%, and IFC stages.

You will support P&C design with AC/DC schematics, wiring diagrams, panel layouts, and cable schedules, while coordinating with multi-disciplinary teams to ensure CAD quality across projects. The hybrid model requires three on-site days per week.