Design Engineer (33kV)

Marsh RPF

  • United Kingdom
  • £70,000-85,000 per year
  • Permanent
  • Full-time
  • 29 days ago
LOCATIONCardiff (Hybrid/Remote) KEY RESPONSIBILITIESAs a Senior Design Engineer / Design Lead, you will be responsible for delivering technically robust and commercially sound designs for high-voltage electrical connections. This includes contestable works and private networks across DNO and IDNO landscapes. You’ll take ownership of design delivery across multiple projects, working closely with internal teams, clients, and network operators.Key Responsibilities:
  • Lead and deliver detailed electrical designs for 11kV and 33kV grid connections.
  • Prepare design submissions for DNO/IDNO approvals, including all supporting documentation.
  • Manage 3rd party design houses and set to work where necessary.
  • Produce cable calculations, protection grading studies, and substation layout drawings.
  • Develop bills of quantities and technical specifications in line with IEC, DNO, IDNO, and client requirements.
  • Liaise directly with clients, suppliers, DNOs, and IDNOs throughout the design lifecycle.
  • Complete POC applications and support due diligence for new sites.
  • Review manufacturer technical proposals for compliance with design intent.
  • Coordinate with civil and electrical teams to ensure integrated and constructable solutions.
  • Manage the design approval process with relevant stakeholders.
  • Support project teams during design changes and through delivery stages.
  • Ensure compliance with current legislation including ESQCR, CDM, and Electricity at Work regulations.
  • Sign off designs under NERS accreditation where appropriate.
EXPERIENCE & SKILLS REQUIRED
  • HNC/HND or Degree in Electrical Engineering (or equivalent).
  • Minimum 5 years’ experience in HV design, preferably within an ICP or DNO/IDNO environment.
  • Strong understanding of contestable works and UK grid connection processes.
  • Familiar with DNO technical standards and G81 documentation.
  • Proficient in relevant design and calculation software (e.g., AutoCAD, Amtech, CDEGS, ElectricalOM).
  • Ability to manage multiple projects and meet tight deadlines.
  • Excellent communication and client liaison skills.
SALARY & BENEFITS£70,000 to £85,000 depending on experience + benefits pacakge

Marsh RPF