Technical Design Manager

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This role leads engineering governance, ensures compliance with UK grid standards, and manages the delivery of technically robust LV, MV and HV grid connection designs. The position plays a critical role in supporting the successful development and delivery of renewable and storage projects across the UK.


Key Responsibilities

Technical Authority & Governance

  • Act as the company’s technical authority for UK grid projects.
  • Own and maintain compliance with:
  • ENA G81
  • ENA G99 / G100
  • DNO / IDNO specifications
  • NGESO requirements
  • Establish and maintain engineering standards, procedures and best practice.
  • Lead technical assurance and sign-off of all designs prior to submission.
  • Support achievement and maintenance of NERS ICP accreditation.


Engineering & Design Leadership

Lead and oversee the design of:

  • Adoptable and private LV networks
  • MV/HV grid connections (11kV–132kV and up to 400kV where applicable)
  • Substations, switching stations and contestable/non-contestable works

Ensure delivery of high-quality engineering outputs including:

  • Single Line Diagrams (SLDs)
  • Protection and control schemes (G99 compliant)
  • Earthing design (ENA EREC S34, BS EN 50522)
  • Cable calculations and routing

Additional responsibilities:

  • Review and approve internal and external designs.
  • Prepare technical specifications for procurement aligned with DNO/TSO standards.
  • Collaborate with Procurement, Delivery and suppliers on equipment selection.
  • Support tender teams with BOQs/BOMs.


Grid Connections & Power System Studies

  • Lead G99 applications (Stages 1–3) and associated studies.
  • Interface directly with DNOs, IDNOs and NGESO on submissions and approvals.
  • Ensure compliance with connection agreements and Grid Code requirements.
  • Support power system studies including load flow, fault level and protection coordination.


Team Leadership & Capability Development

  • Lead, manage and mentor a team of design engineers and CAD specialists.
  • Allocate resources across projects to meet programme requirements.
  • Develop team capability in UK standards, protection systems and grid compliance.
  • Conduct technical reviews, competency development and performance management.


Project Delivery Support

Provide technical leadership during:

  • Tendering and bid development
  • Value engineering and optioneering
  • Construction and commissioning

Work closely with Project Managers to ensure designs are:

  • Buildable
  • Cost-effective
  • Delivered on schedule

Resolve complex technical issues and site queries.


Health, Safety & Compliance

  • Ensure compliance with CDM Regulations 2015 and Safety by Design principles.
  • Act as Design Authority where required.
  • Lead hazard identification and design risk assessments.
  • Ensure adherence to QA systems and audit requirements.


Stakeholder & Client Engagement

Act as the primary technical interface for:

  • Clients, developers and investors
  • DNOs and IDNOs
  • EPC contractors and consultants
  • Lead technical meetings, design reviews and approval discussions.
  • Provide clear and authoritative technical guidance internally and externally.


Qualifications & Experience

Essential

  • Degree in Electrical Engineering or related discipline.
  • Extensive experience within a UK ICP, DNO or power engineering consultancy.
  • Strong knowledge of:
  • ENA G81
  • ENA G99 / G100
  • UK DNO/IDNO/TSO design and adoption processes
  • Proven experience delivering LV/MV/HV grid connection designs (11kV–400kV).
  • Experience leading and managing engineering or design teams.

Desirable

  • Chartered Engineer (CEng) or working towards chartership.
  • Experience in BESS, Solar PV, Wind or hybrid renewable projects.
  • Familiarity with power system modelling tools (DIgSILENT, ETAP, IPSA).

Knowledge of NGESO Grid Code and transmission connections.

”, “datePosted”: “2026-05-07”, “hiringOrganization”: { “@type”: “Organization”, “name”: “Hyperion Search”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__425626289__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=4” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “London” } } }
Company: Hyperion Search
Apply for the Technical Design Manager
Location: London
Job Description:

This role leads engineering governance, ensures compliance with UK grid standards, and manages the delivery of technically robust LV, MV and HV grid connection designs. The position plays a critical role in supporting the successful development and delivery of renewable and storage projects across the UK.

Key Responsibilities

Technical Authority & Governance

  • Act as the company’s technical authority for UK grid projects.
  • Own and maintain compliance with:
  • ENA G81
  • ENA G99 / G100
  • DNO / IDNO specifications
  • NGESO requirements
  • Establish and maintain engineering standards, procedures and best practice.
  • Lead technical assurance and sign-off of all designs prior to submission.
  • Support achievement and maintenance of NERS ICP accreditation.

Engineering & Design Leadership

Lead and oversee the design of:

  • Adoptable and private LV networks
  • MV/HV grid connections (11kV–132kV and up to 400kV where applicable)
  • Substations, switching stations and contestable/non-contestable works

Ensure delivery of high-quality engineering outputs including:

  • Single Line Diagrams (SLDs)
  • Protection and control schemes (G99 compliant)
  • Earthing design (ENA EREC S34, BS EN 50522)
  • Cable calculations and routing

Additional responsibilities:

  • Review and approve internal and external designs.
  • Prepare technical specifications for procurement aligned with DNO/TSO standards.
  • Collaborate with Procurement, Delivery and suppliers on equipment selection.
  • Support tender teams with BOQs/BOMs.

Grid Connections & Power System Studies

  • Lead G99 applications (Stages 1–3) and associated studies.
  • Interface directly with DNOs, IDNOs and NGESO on submissions and approvals.
  • Ensure compliance with connection agreements and Grid Code requirements.
  • Support power system studies including load flow, fault level and protection coordination.

Team Leadership & Capability Development

  • Lead, manage and mentor a team of design engineers and CAD specialists.
  • Allocate resources across projects to meet programme requirements.
  • Develop team capability in UK standards, protection systems and grid compliance.
  • Conduct technical reviews, competency development and performance management.

Project Delivery Support

Provide technical leadership during:

  • Tendering and bid development
  • Value engineering and optioneering
  • Construction and commissioning

Work closely with Project Managers to ensure designs are:

  • Buildable
  • Cost-effective
  • Delivered on schedule

Resolve complex technical issues and site queries.

Health, Safety & Compliance

  • Ensure compliance with CDM Regulations 2015 and Safety by Design principles.
  • Act as Design Authority where required.
  • Lead hazard identification and design risk assessments.
  • Ensure adherence to QA systems and audit requirements.

Stakeholder & Client Engagement

Act as the primary technical interface for:

  • Clients, developers and investors
  • DNOs and IDNOs
  • EPC contractors and consultants
  • Lead technical meetings, design reviews and approval discussions.
  • Provide clear and authoritative technical guidance internally and externally.

Qualifications & Experience

Essential

  • Degree in Electrical Engineering or related discipline.
  • Extensive experience within a UK ICP, DNO or power engineering consultancy.
  • Strong knowledge of:
  • ENA G81
  • ENA G99 / G100
  • UK DNO/IDNO/TSO design and adoption processes
  • Proven experience delivering LV/MV/HV grid connection designs (11kV–400kV).
  • Experience leading and managing engineering or design teams.

Desirable

  • Chartered Engineer (CEng) or working towards chartership.
  • Experience in BESS, Solar PV, Wind or hybrid renewable projects.
  • Familiarity with power system modelling tools (DIgSILENT, ETAP, IPSA).

Knowledge of NGESO Grid Code and transmission connections.

Posted: May 7th, 2026