Electrical Senior HV Design Engineer

Electrical Senior HV Design Engineer
(Electrical Power Systems)

Location: Flexible UK Location / Hybrid Working
Business Unit: Infrastructure – Environment

About Us

Galliford Try is one of the UK's leading infrastructure and construction businesses, delivering innovative solutions across the water, environmental and infrastructure sectors.

As the UK's largest Tier 1 contractor operating within the Water and Environment sector, our Infrastructure–Environment Business delivers major projects and long-term frameworks across the UK. Our Engineering Design function brings together specialist engineering disciplines to support project delivery, innovation and technical excellence across the business.

Due to continued growth, we are looking for an experienced Senior Design Engineer (Electrical Power Systems) to join our Engineering Design team.

Purpose of the Role

As a Senior Design Engineer, you will play a key role in the development, review and delivery of high-voltage electrical power system designs across a variety of infrastructure, utility, water, energy and industrial projects.

Providing technical leadership throughout the project lifecycle, you'll lead the design of HV distribution systems, electrical network studies, protection systems and power infrastructure solutions from concept through to commissioning support. You'll also support technical governance, mentor developing engineers and contribute to the continuous improvement of our engineering capability.

This role would suit an experienced electrical power engineer looking to take a technical lead position within a growing multidisciplinary engineering team.

What You'll Be Doing

As a Senior Design Engineer, you will:

• Lead electrical power system design activities across a portfolio of infrastructure and water sector projects.
• Develop and review HV electrical network designs for systems ranging from 3.3kV to 33kV.
• Undertake electrical system studies using ETAP, including:
  • Load flow analysis
  • Short circuit studies
  • Protection coordination and grading studies
  • Arc flash assessments
  • Reliability and contingency studies
• Develop electrical system architectures for substations, treatment works, industrial facilities and critical infrastructure projects.
• Produce and review single line diagrams, protection philosophies and operating philosophies.
• Prepare technical specifications, datasheets and equipment schedules.
• Support cable sizing calculations, equipment selection and network optimisation.
• Interface with DNOs, IDNOs, National Grid and equipment manufacturers.
• Review third-party and supplier designs to ensure technical and contractual compliance.
• Support technical assurance, design reviews, HAZOP studies and independent design checks.
• Provide technical support during procurement, construction, FAT, SAT and commissioning activities.
• Mentor Graduate, Assistant and Design Engineers, supporting technical development and professional growth.
• Promote innovation, value engineering and digital design initiatives across projects.

Key Responsibilities

Electrical Power System Design

• Deliver technically robust and cost-effective HV and LV electrical designs.
• Lead power system modelling and analysis activities using ETAP.
• Support the development and maintenance of project-wide power system models.
• Ensure designs comply with client specifications, industry standards and regulatory requirements.
• Drive opportunities for efficiency, whole-life cost savings and improved buildability.

Technical Governance & Assurance

• Act as Discipline Lead on allocated projects.
• Provide checking and technical approval of design outputs.
• Manage technical risks, assumptions and design changes.
• Ensure compliance with CDM Regulations and Safe by Design principles.
• Participate in technical assurance and engineering governance activities.

Leadership & Development

• Provide technical leadership and guidance to multidisciplinary design teams.
• Mentor junior engineers and support early-career development.
• Share lessons learned and engineering best practice across the business.
• Support discipline development initiatives and continuous improvement programmes.
• Assist engineers working towards professional accreditation and chartership.

About You

We're looking for a technically strong Electrical Design Engineer who combines excellent power systems knowledge with strong leadership and communication skills.

You'll be passionate about engineering excellence and motivated to support the development of both projects and people.

Essential Experience & Technical Expertise

• Strong knowledge of UK electrical distribution systems and HV network design.
• Extensive experience delivering electrical power system designs and studies.
• Proficiency in ETAP or equivalent power system modelling software.
• Experience completing:
  • Load flow studies
  • Short circuit calculations
  • Protection and grading studies
  • Electrical coordination studies
• Experience developing:
  • Single line diagrams
  • Cable schedules
  • Protection philosophies
  • Electrical installation packages
• Knowledge of DNO, IDNO, National Grid and utility connection requirements.
• Experience reviewing supplier, subcontractor and consultant design packages.
• Working knowledge of HV standards and compliance requirements.
• Knowledge of BS7671 (18th Edition Wiring Regulations) and associated industry standards.
• Experience of AutoCAD, DraftSight or similar design software.

Qualifications

• Degree qualified in Electrical Engineering or a related engineering discipline.
• Chartered Engineer status or working towards chartership preferred.
• Membership of a recognised professional institution such as:
  • IET
  • ICE
  • IChemE
  • IMechE
• Demonstrable experience within water, wastewater, utilities, infrastructure or industrial sectors.
• Strong understanding of current Health & Safety legislation, CDM Regulations and engineering standards.

What You'll Bring

• Strong technical leadership capability.
• Excellent stakeholder and communication skills.
• Commercial awareness and problem-solving ability.
• Attention to detail and commitment to engineering quality.
• Collaborative approach and ability to work in multidisciplinary teams.
• A passion for innovation, continuous improvement and technical excellence.
• Alignment with Galliford Try's values of Excellence, Passion, Integrity and Collaboration (EPIC).

Why Join Us?

This is an exciting opportunity to join one of the UK's leading infrastructure engineering teams and contribute to major projects that support critical national infrastructure.

You'll work on technically complex projects across the water, utilities and infrastructure sectors while benefiting from significant opportunities for professional development, technical leadership and career progression.

What We Can Offer in Return

With a strong order book and long-term framework opportunities across the UK, Galliford Try offers stability, career development and the opportunity to work on projects that make a real difference to communities and the environment.

We are committed to maintaining the physical and mental wellbeing of our people through our Be Well programme, offering support, guidance and wellbeing resources across a range of areas.

We invest heavily in professional development, providing structured training, mentoring, chartership support and leadership programmes to help our people fulfil their potential.

Our Agile Working programme provides flexibility in how, when and where you work, where operational requirements allow.

Our Benefits

We put our people first and our benefits package reflects that by offering a comprehensive range of attractive options alongside a competitive salary.

• 28 days holiday plus bank holidays, increasing with length of service, with the opportunity to purchase additional leave
• Annual bonus opportunities
• A wide range of corporate discounts
• Cycle to Work scheme
• Comprehensive pension scheme
• Save As You Earn share purchase scheme
• Private medical scheme options
• Employee Assistance Programme providing free 24/7 support
• Paid membership to one recognised professional institution relevant to your role

About Us

Our purpose is to improve people's lives through building the facilities and infrastructure that communities need, providing opportunities for our people to learn, grow and progress, promoting best practice throughout our supply chain and caring for the environment in which we work.

We do this by living our values of Excellence, Passion, Integrity and Collaboration (EPIC) and striving to be the most respected business in our sector.

For more information on this role or to enquire about other opportunities within our business, please contact adam.wright@gallifordtry.co.uk.

Additional Information

Galliford Try welcomes applications from candidates who would like to work full-time, reduced hours or flexibly and this will be discussed in more detail as part of the recruitment process.

We encourage candidates to let us know if there are any reasonable adjustments we can make to support them throughout the recruitment process.

Don't meet every requirement? Studies have shown that some people are less likely to apply for jobs unless they meet every qualification. At Galliford Try, we are committed to building a diverse, inclusive and authentic workplace, so if you're excited about this opportunity but your experience doesn't align perfectly with every requirement, we encourage you to apply anyway.

As a Disability Confident employer, we are committed to offering an interview to candidates with a long-term health condition or disability who meet the essential criteria for the role. Please contact the Resourcing Partner listed within the advert if you believe this applies to you.

A full job description is available upon request.