Principal design engineer transmission electrical Work, Jobs in Hounslow, England (with Salaries)

Principal Design Engineer - Transmission Electrical
Octavius Infrastructure —London
- Full-time
- Hybrid work
- Engineering
- Continuous improvement
- Training & development
- Annual leave
- Employee assistance programme
Principal Substation Secondary (P&C) Design Engineer
AtkinsRéalis —Epsom
- Full-time
- Hybrid work
- Engineering
- Business development
- Team management
Principal Substation Primary (HV Plant) Design Engineer
AtkinsRéalis —Epsom
- Full-time
- Hybrid work
- Engineering
- Business development
- Team management
Principal Protection & Control (P&C) Design Engineer - UK Grid Network
Jacobs —London
- Hybrid work
- Engineering
- Master's degree
- Business development
- Employee assistance programme
- Flexible schedule
Principal Substation (Primary Design) Engineer - UK Grid Network
Jacobs —London
- Hybrid work
- Engineering
- Business development
- In-person
- Employee assistance programme
- Flexible schedule
Senior Substation Primary (HV Plant) Design Engineer
AtkinsRéalis —Epsom
- Full-time
- Hybrid work
- Engineering
- Business development
- Bachelor's degree
Principal Cable System Design Engineer
AECOM —London
- Full-time
- Hybrid work
- Engineering
- Master's degree
- Business development
Senior / Principal Power Systems Engineer
AECOM —London
- Full-time
- Hybrid work
Principal Engineer Overhead Lines (OHL)
Jacobs —London
- Hybrid work
- Engineering
- Master's degree
- Bachelor's degree
Principal Engineer - Overhead Lines (OHL)
AECOM —London
- Full-time
- Hybrid work
- Engineering
- Bachelor's degree
- Communication skills
14d
Principal Renewable Energy Engineer - Energy Advisory
Jacobs —London
- Hybrid work
- Doctoral degree
- Engineering
- Master's degree
- Employee assistance programme
ICP Engineering Manager - Fixed-Term Contract
SSE —London
- £58,100 - £87,100 a year
- Team management
- Training & development
- Communication skills
- Employee discount
- Gym membership
Principal Project Manager
AECOM —London
- Full-time
- Hybrid work
- Engineering
- Project management
- Bachelor's degree
18h
Design Project Manager
OCU Group —Borehamwood
- Full-time
- Civil engineering
- Management
- Engineering
Quick apply
3d

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principal design engineer transmission electrical jobs near hounslow, england

Principal Design Engineer - Transmission Electrical

Octavius Infrastructure -
London

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Job details

Permanent | Full-time

Benefits

Season ticket loan
Annual leave
Company pension
Employee assistance programme
Private medical insurance
Employee discount
Life insurance
Car scheme

Qualifications

Electrical design
Client engagement
Stakeholder liaison
Engineering
Electrical engineering
Continuous improvement
Training & development
Electrical Engineering
Leadership

Full job description

We are recruiting for a Principal Design Engineer (Transmission - Electrical) to join us here at Navitas Engineering - an Octavius Company.

We are a leading civil engineering organisation delivering safe, sustainable, and efficient transport solutions across the UK.

Navitas Engineering provides electrical engineering design, consultancy, and testing services to the railway and electricity supply industries. Our expertise spans the entire asset lifecycle, including feasibility studies, option assessment and selection, outline and detailed design, testing, and engineering support throughout implementation, operation, and maintenance phases.

The Principal Design Engineer is a senior technical lead within the design team, responsible for leading, developing, and assuring high‑voltage (HV) and extra‑high‑voltage (EHV) design solutions (132 kV to 400 kV). This role operates across a range of transmission level projects, including renewals and enhancements work.

The Principal Design Engineer provides technical leadership, ensures full compliance with National Grid and other applicable standards. (e.g., NGESO/NGED, ENA, IEC), and drives best‑practice engineering throughout the design lifecycle. The role includes line management, technical governance, client engagement at senior levels, and work winning/tendering.

You'll be working on…. (what your role and responsibility is)

Technical Leadership

Act as the technical lead for transmission‑voltage design (132–400 kV).
Lead concept, FEED, and detailed design phases across major transmission projects.
Provide expert guidance on substation electrical primary and secondary equipment design, including for example substation layout, protection, control, earthing design and equipment specification.
Approve technical documentation, ensuring accuracy, safety, and compliance.

Project Delivery

Oversee design packages from feasibility to commissioning support.
Develop design strategies, scopes, and technical methodologies.
Manage and deliver engineering outputs to agreed budgets, milestones, and quality standards.
Manage design review meetings.

Compliance, Standards & Assurance

Ensure full compliance with transmission‑sector regulations, including:
- National Grid Technical Specifications (TS), Grid Code, SQSS.
- ENA Engineering Recommendations.
- IEC/BS EN standards relevant to HV/EHV systems.
Lead internal and external design assurance reviews, audits, and HAZIDs/HAZOPs.
Champion safety‑by‑design and risk mitigation throughout all design stages.

Tools & Technology

Knowledge of HV system modelling platforms such as PowerFactory or ETAP preferable.
Oversight of CAD, BIM, and digital engineering workflows.
Promote continuous improvement of design tools, templates, and engineering processes.

Team Leadership & Development

Mentor, manage, and technically develop Senior/Design Engineers.
Lead technical training initiatives and promote engineering excellence.
Allocate design resources, monitor performance, and support capability building within the team.

Client & Stakeholder Engagement

Engage with client organisation representatives, and other relevant interfaces.
Represent the company as the technical lead in design reviews, workshops, and strategic meetings.
Provide high‑level engineering consultation and problem‑solving for clients.

General Responsibilities

Support commercial activities: bids, technical proposals, scopes of work, and change control.
Lead initiative to grow design capability and team within the company.
Uphold the company's values and maintain a high level of professionalism.

You'll work with… (because relationships are important)

A team of highly motivated, dedicated professionals delivering projects across a variety of frameworks .

You'll receive…. (because we value you)

We offer a competitive rewards package, including

Competitive salary.
Performance-linked annual bonus.
28 days annual leave + bank holidays.
Flexible company pension.
Commitment to ongoing training and professional development.
Support for achieving professional registration.
Private health insurance (subject to underwriting).
Relevant life insurance (subject to underwriting).
EV car scheme.
Employee discount programme.
Ride to Work scheme.
Gym allowance.
Employee Assistance Programme.
Season ticket loan.
Mobile phone allowance.

About the role

Work Type: Hybrid (remote/office-based).
Office Location: London or Glasgow
Site Locations: Various sites across the UK.
Employment Type: Permanent, full-time (subject to a 6-month probation period).

You'll bring… (your wealth of experience & qualifications)

Degree in Electrical Engineering or equivalent discipline.
132 kV).
Demonstrated expertise in transmission substation design, protection, control, earthing, and HV equipment specification.
Experience working on National Grid projects, transmission owners, or large renewable developers.
Strong understanding of National Grid standards, Grid Code, SQSS, and ENA/IEC requirements.
Chartered Engineer (CEng) or working towards with significant industry experience preferable.
Excellent communication, leadership, and stakeholder‑management skills.

Inclusion and diversity are important to us, we are an equal opportunities employer and value difference. We want and will continue to build an inclusive environment where our people thrive. We firmly believe constantly striving to build a truly diverse workforce is what makes us a strong business and will enable us to continue to solve important problems and deliver unrivalled value to both our customers and clients. If you need any specialist support throughout your application, we will work with you where we can to support your journey with us.

Apply Now

Refine Your Search

principal design engineer transmission electrical jobs in hounslow, england

Principal Design Engineer - Transmission Electrical

Principal Substation Secondary (P&C) Design Engineer

Principal Substation Primary (HV Plant) Design Engineer

Principal Protection & Control (P&C) Design Engineer - UK Grid Network

Principal Substation (Primary Design) Engineer - UK Grid Network

Senior Substation Primary (HV Plant) Design Engineer

Principal Cable System Design Engineer

Senior / Principal Power Systems Engineer

Principal Engineer Overhead Lines (OHL)

Principal Engineer - Overhead Lines (OHL)

Principal Renewable Energy Engineer - Energy Advisory

ICP Engineering Manager - Fixed-Term Contract

Principal Project Manager

Design Project Manager

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You'll be working on…. (what your role and responsibility is)

You'll work with… (because relationships are important)

You'll receive…. (because we value you)

About the role

You'll bring… (your wealth of experience & qualifications)

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