Electrical Designer

Mott MacDonald•Westwood, MA

1d•$97,000 - $119,000•Hybrid

About The Position

At Mott MacDonald, we trust our brilliant people to do brilliant things in engineering, management, and development services, supporting multisector project work in over 150 countries. As one of the largest employee-owned companies in the world, we pride ourselves on our ability to deliver exceptional outcomes through our network of 20,000+ talented consultants. With sustainability and innovation at the heart of all our sectors in North America, including, Buildings, Energy, Transportation, and Water. We believe in empowering our people to excel, learn, and grow, offering diverse opportunities to contribute to career-defining work. Join us and be part of a collaborative environment where your ambitions are united with ours, and you can truly shape your story. If you share that vision, even if you don’t meet every requirement listed, we’d still love to hear from you. We value potential and diverse perspectives as much as experience. Let’s explore how we can support your growth and help you take the next step in your career, while contributing to an exciting new chapter for Mott MacDonald in North America.

Requirements

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)
Practical understanding of: Substation equipment and layouts
Practical understanding of: 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

Nice To Haves

Experience with AutoCAD, MicroStation
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

Responsibilities

Prepare detailed AutoCAD drawings for substation physical design, including: General arrangements (GAs), plans, elevations, and sections
Prepare detailed AutoCAD drawings for substation physical design, including: Equipment layouts and clearances
Prepare detailed AutoCAD drawings for substation physical design, including: Conduit, cable trench, and duct bank routing
Prepare detailed AutoCAD drawings for substation physical design, including: Grounding plans and details
Prepare detailed AutoCAD drawings for substation physical design, including: 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
Draft and update: AC and DC schematics
Draft and update: Wiring and interconnection diagrams
Draft and update: Panel layouts and elevations
Draft and update: Cable schedules and termination drawings
Support relay and control engineers with drawing production and redlines
Assist with as‑built documentation and design updates
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