Technical Design Manager

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.

Extra information

Status

Open

Education Level

Secondary School

Location

City of London

Type of Contract

Full-time jobs

Published at

08-05-2026

Profession type

Design / Fashion

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English