Designer IV Substations and Controls

Mott MacDonald•The Woodlands, TX

13d•Hybrid

About The Position

At Mott MacDonald, we are driven by purpose and powered by brilliant people. As a trusted engineering, management, and development consultancy, we work with clients to solve complex challenges and deliver sustainable outcomes that make a meaningful difference for the communities we serve. When you join us as an experienced professional, you will bring your expertise to work that matters while continuing to grow your career. You will collaborate with talented colleagues across disciplines and geographies, contribute your perspective, and help shape better outcomes through technical excellence, innovation, and integrity. 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. We are looking for an experienced design drafter to support power delivery projects in the Houston, TX area.

Requirements

Associate degree or technical certificate in Electrical Engineering Technology or similar (Bachelor’s preferred but not required).
5+ 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, and 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, equipment layouts and clearances, conduit, cable trench, and duct bank routing, grounding plans and details, and 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, 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.
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.