Designer IV Substations and Controls

Mott MacDonald; The Woodlands (TX); On-site; USD 70,000 - 95,000; Full time

Job summary

Join Mott MacDonald in Houston as an experienced Electrical Designer/Drafter supporting power delivery substations. You will draft detailed AutoCAD drawings, develop GA plans, elevations, and equipment layouts, and contribute to P&C schematics and wiring diagrams in a collaborative, multidisciplinary team.

You’ll work in a hybrid setting with a strong emphasis on drawing integrity, QA/QC, and coordination with civil and structural designers while advancing your career in a large, employee-owned

Qualifications

• Associate degree or technical certificate in Electrical Engineering Technology (Bachelor’s preferred).
• 5+ years as Electrical Designer or Drafter in substation or power delivery projects.
• Strong AutoCAD skills; familiarity with MicroStation a plus.
• Ability to work from sketches, redlines, and markups.

Responsibilities

• Draft detailed AutoCAD drawings for substation physical design (GA's, plans, elevations).
• Prepare P&C schematics, wiring diagrams, and panel layouts; support engineers with redlines.
• Coordinate with multi-discipline designers to ensure drawing consistency and QA/QC.

Skills

Electrical design

Drafting

Detail-oriented

Multi-disciplinary coordination

Redlines/markups handling

Education

Assoc degree in Electrical Eng Tech

Tools

AutoCAD

MicroStation

Job description

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

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)
• 5+ years of experience as an Electrical Designer or Drafter, preferably in substation or power delivery projectsli>
• 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, 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

Build on your experience while helping shape what comes next.

At Mott MacDonald, you'll work alongside talented people on complex and rewarding projects that make a real difference. We value fresh perspectives, encourage collaboration, and provide opportunities to expand your skills, take on new challenges, and grow your career. Whether you're deepening your technical expertise, broadening your leadership experience, or exploring new opportunities across our business, you'll be supported by a team that is committed to helping you succeed.

Bring your expertise, curiosity, and drive to make a difference. If you are ready to join a collaborative consultancy where your perspective is valued, your growth is supported, and you are empowered to lead with integrity, we would love to hear from you.

Benefits & Rewards

In addition to base salary, Mott MacDonald offers performance‑based bonuses and a comprehensive benefits package, giving employees a direct connection to our success.

Our comprehensive benefits package is designed to support the health, wellbeing, financial security, and professional growth of our employees. Eligible employees have access to medical, dental, and vision coverage, FSA and HSA accounts, company‑paid life insurance, short‑term and long‑term disability coverage, and a competitive 401(k) plan with company matching. We also provide paid time off, paid holidays, caregiver leave, employee referral bonuses, professional registration and membership reimbursements, and tuition assistance to support continued learning and career development.

Collaboration at Our Core

At Mott MacDonald, 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 clients, 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.