Senior Secondary Systems Designer

Glasgow, United Kingdom / Brighton, United Kingdom

Mott Mac Donald is a global engineering, management, and development consultancy with over 20,000 employees across more than 50 countries and 140+ offices.

We work across incredible global industries, delivering exciting work that is defining our future and making an important societal impact in the communities we serve. Our people power our performance – we succeed when they do. With countless opportunities to collaborate, learn, and grow, the possibilities for excellence are as varied as every individual.

Whether you want to grow as a subject matter expert or broaden your experience with roles across our international community, you’re surrounded by global specialists who want to combine their expertise and champion you to be your best. As a proudly employee‑owned business, we benefit our clients, our communities, and each other, investing in creating the right space for everyone to feel empowered, included, and valued.

Whatever your ambition, Mott Mac Donald is where people come to be brilliant.

The Energy unit delivers services to clients globally across several sectors including hydropower, nuclear, waste, renewable generation and transmission & distribution networks. Together we provide integrated engineering and project management services across the project lifecycle – from concept and design to construction and operations, to decommissioning or repowering and life extension. Together with our clients, we’re helping to deliver the energy transition globally.

The Secondary Systems Designer is responsible for preparing detailed electrical drawings, layouts, and documentation for medium voltage substations. This role involves working closely with engineers and multidisciplinary teams to deliver accurate, high‑quality designs.

Key Responsibilities and duties include:

• Drafting and Design Preparation:
  • Prepare detailed electrical drawings for substation secondary systems, including protection, control, and communication systems
  • Develop layouts and details for cable trenches, duct banks, and equipment foundations
  • Create interface circuit diagrams, wiring diagrams, cable schedules, block diagrams, and room layouts
• Technical Specifications:
  • Prepare and review technical specifications and documentation for substation secondary systems
  • Ensure all designs comply with relevant industry standards, regulations, and company policies
• Collaboration with Engineers:
  • Work closely with primary design engineers, project managers, and other stakeholders to develop comprehensive secondary system designs
  • Incorporate design feedback and revisions from engineers to finalize drawings
  • Coordinate with multidisciplinary teams for consistency in designs and details
• Documentation and Reporting:
  • Maintain and organize drawing sets, revisions, and documentation throughout the project lifecycle
  • Generate reports and maintain logs for design progress and drawing submissions
• Quality and Compliance:
  • Conduct self‑checks and peer reviews of drawings to ensure accuracy and completeness
  • Follow quality control procedures to maintain high drafting standards
• Diploma or Associate Degree in Electrical Engineering, Drafting, or a related field
• Proficiency in AutoCAD and other drafting software
• Knowledge of medium voltage systems and substation design
• Strong attention to detail and accuracy
• Excellent communication and teamwork skills

Mott Mac Donald Ltd. are not currently offering sponsorship to candidates under the Skilled Worker visa route in the UK. This decision is a consequence of the changes made to the Skilled Worker route by the UK Government in April 2024. We continue to welcome applications from candidates who are eligible for alternative immigration routes in the UK, that do not require sponsorship as a Skilled Worker now or in future.

We put equality, diversity, and inclusion at the heart of our business, seeking 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…