H&H is offering an exciting hybrid opportunity for a Senior Electrical Engineer to join our London office in the vibrant London Bridge area.
With over 139 years of experience, H&H is a trusted full-service infrastructure engineering firm. Our clients, including infrastructure owners, contractors, and colleagues, rely on us for intricate and innovative engineering solutions. They trust our time-tested ability to manage the entire life cycle of a project, from the study and planning phase through to design and construction. With over 600 talented employees located across 32 offices nationwide, H&H can efficiently and effectively handle assignments of all sizes, types, and delivery methods around the country and across the globe.
Responsibilities
- Lead and deliver the electrical design of heavy movable structures such as movable bridges, locks, dams, travellers, and roofs, including power distribution, lighting, and control systems for operation and safety.
- Design, specify, and review control system architectures, including PLC-based systems, instrumentation, sensors, actuators, HMIs, and interfaces with mechanical and hydraulic systems.
- Prepare, review, and approve electrical and control system calculations, control philosophies, I/O schedules, cause-and-effect matrices, specifications, drawings, and testing documentation in accordance with UK and international standards.
- Support and oversee factory acceptance testing (FAT) and site acceptance testing (SAT), including review of test procedures, witnessing tests, and resolution of non-conformances.
- Lead and support site commissioning activities, ensuring control systems operate safely, reliably, and in accordance with the design intent and operational requirements.
- Provide technical input into the operation, maintenance, and fault-finding of control systems, including review of O&M manuals and support during the defects and handover period.
- Provide technical leadership and guidance to junior engineers and designers, including oversight of CAD production using AutoCAD, MicroStation, and 3D modelling software.
- Coordinate closely with mechanical, structural, and civil disciplines to ensure fully integrated, operable, and maintainable designs.
- Support the project team during tender and construction phases, including responding to technical queries and reviewing contractor submissions and temporary works interfaces.
- Undertake site visits and field work to inspect electrical and control system installations, witness testing and commissioning activities, and support defect resolution.
- Interface with clients, contractors, operators, and external stakeholders, providing clear technical input and representing H&H in a professional capacity.
Requirements
- 15 to 20 years of experience in a similar electrical engineering or control systems role.
- Degree / HNC / HND / BTEC / NVQ qualified in Electrical Engineering, Control Engineering, or a related discipline.
- 15 to 20 years of experience in electrical and control systems for heavy infrastructure, industrial machinery, movable bridges, locks, dams, ports, or transportation projects (preferred).
- Demonstrated knowledge and interest in power distribution, control systems, instrumentation, and proven experience in the design, testing, commissioning, and maintenance of PLC-based control systems and associated field devices.
- Ability to develop and review control philosophies, I/O schedules, cause-and-effect diagrams, wiring diagrams, and technical specifications.
- Familiarity with UK and international electrical standards and regulations (e.g. BS, EN, IEC, IET, Wiring Regulations).
- Ability to carry out electrical and control system calculations, including load assessments, cable sizing, and protection coordination.
- Previous experience supporting site installation, FAT/SAT, and commissioning activities in an operational or construction environment.
- Strong theoretical electrical engineering knowledge and practical understanding of safety‑critical systems and interlocks.
- Exceptional attention to detail, with strong analytical and problem‑solving abilities.
- Excellent communication skills, both verbal and written, with the ability to interface with clients, contractors, and multidisciplinary teams.
- Proficient in the use of Microsoft Office applications.
- Excellent organisational and time management skills, with the ability to manage multiple priorities.
- Ability to work independently as well as part of a small, multidisciplinary engineering team.
Competitive salary range of £100,000-£120,000 per annum, dependent on experience.
27 days of annual leave for work-life balance.
Opportunities to participate in frequent social gatherings and team‑building events.
A hybrid working model with flexible hours to promote a healthy work-life balance.
Structured development processes and clear career progression paths.
H&H is an equal‑opportunity employer. We encourage applications from candidates of all backgrounds and experiences.
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