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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Hardware Engineer - **Company:** Capula - **Location:** Glasgow, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** AutoCAD, Cyber Security, Computer Networks, Control Panels, Supervisory Control and Data Acquisition (SCADA), Hardware Testing, Marshalling, Eplan, Cts+ - **Published:** September 2, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=58d66c93a0b38c10 ## About the Role Technical Expertise * Strong experience in producing engineering drawings using E-Plan, AutoCAD Electrical, or equivalent. * Proven experience delivering hardware, secondary systems, or LV design for high-voltage substation environments (132kV, 275kV, 400kV). * Demonstrable capability in: + Protection & Control panel design + LVAC/DC systems, batteries, UPS arrangements + Control & instrumentation wiring, marshalling, cabinet designs + SLDs, KLDs, bay diagrams * Good understanding of transmission-level plant interfaces (CBs, CTs, VTs/CVTs, disconnectors, transformers). * Understanding of tele-protection, intertrip schemes, and network communications. * Working knowledge of IEC 61850 and substation communication architectures. Design, Delivery & Communication * Ability to produce accurate, quality designs and documentation with minimal supervision. * Experience delivering designs through multiple project stages. * Strong communication skills and the ability to work effectively within multidisciplinary teams., + Degree-qualified (or equivalent) in Electrical Engineering or a related discipline, or significant relevant industry experience. + Full UK driving licence and willingness to travel to project and client sites. Desirable Requirements: * Experience delivering Protection & Control designs within UK Transmission and/or Distribution sectors. * Site installation, testing, or commissioning experience. * Understanding of BS7671 18th Edition Wiring Regulations. * Awareness of DSEAR, hazardous area applications, and functional safety standards (IEC 61508/61511). * Knowledge of SCADA/EMS/DMS systems and modern substation automation architectures. * Familiarity with cyber security in operational technology environments (IEC 62443, NIS Regulations). * Experience mentoring junior engineers or supporting capability development. * Working towards professional registration (IEng or CEng). * Experience contributing to tenders or technical proposals. ## Description Capula is seeking a Senior Hardware & Electrical Design Engineer to support engineering delivery across major projects in the UK Energy Generation, Storage, and Transmission & Distribution sectors. You will be responsible for producing high-quality secondary systems designs, hardware solutions, and LV electrical engineering deliverables. Working closely with Lead Engineers and Project Managers, you will contribute throughout the full project lifecycle-from concept through detailed design, manufacture, testing, and site implementation. This role requires strong technical capability, attention to detail, and the ability to work collaboratively within multi-disciplinary teams. You will play an important part in delivering safety-critical infrastructure projects and developing engineering standards within the business. Key Responsibilites: Design & Engineering * Produce and review engineering drawings and documentation including: + Single Line Diagrams (SLDs), Key Line Diagrams (KLDs), and concept designs + Schematics diagrams, wiring diagrams, General Arrangement drawings, + Electrical Cable routing, termination schedules, and associated engineering deliverables + Electrical calculations and studies supporting system design + Communications Network Cable routing, termination schedules, and associated engineering deliverables + Technical documentation such as Functional Design Specifications, Design Intent Documents, and compliance matrices and supporting reports. * Produce and review engineering in relation to the following: + Hardware test strategy & Quality documentation including installation & test plan and documentation to support solution delivery both for Factory and Site Testing. + I/O Mapping between the Scheme and the Control / Automation solution + Interface of LV Power including Battery Systems, LVAC Systems and various systems and plant items. + Interface of Protection & Control and Automation solutions to Plant items including Circuit Breakers, CT's, VT's, Disconnectors, Transformers, Etc. * Integrate Protection & Control, Automation, and Communications solutions using equipment from manufacturers such as GE, Siemens, SEL, etc. * Produce Bill of Materials to support manufacture and site deployment of systems. * Support the application of IEC 61850, substation communications, and cyber security principles within designs * Ensure all designs comply with ENA, BS, IEC standards, and specific DNO/National Grid standards (e.g., TP-series). Project Delivery & Support * Support Lead Engineers in delivering the hardware, secondary systems, and LV electrical design scope to agreed time, cost, and quality. * Provide technical input to design reviews, workshops, and assurance activities. * Assist with design queries, change control inputs, risk identification, and engineering progress updates. * Contribute to factory and site testing activities through preparation of test documentation and technical support Site & Stakeholder Engagement * Undertake site surveys and visits to support design development, validation, and implementation. * Provide engineering support during installation, commissioning, and integration phases. * Liaise professionally with clients, suppliers, and internal teams to ensure clear communication and coordination. ## Related Videos - [WebAssembly Revolution: Elevating JavaScript's Reach and Performance](https://www.wearedevelopers.com/videos/1149-webassembly-revolution-elevating-javascript-s-reach-and-performance) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [More efficient software for more efficient microchips](https://www.wearedevelopers.com/videos/1164-more-efficient-software-for-more-efficient-microchips) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) ## Related Articles - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk)