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We are seeking a Power Supply Expert to provide technical leadership across the design, development, testing and qualification of power supply systems. The role will focus on ensuring reliable, efficient and compliant power solutions for complex electronic and electrical products. You will work closely with multidisciplinary engineering teams to translate system requirements into robust power architectures, assess technical risks and support projects from initial concept through production and field deployment.

Your responsibilities will include defining power supply specifications, selecting suitable topologies and components, and reviewing schematics, layouts and design calculations. You will lead or support the development of AC/DC and DC/DC converters, power distribution systems, battery interfaces and protection circuits. The position will involve analysing efficiency, thermal performance, electromagnetic compatibility, power quality and reliability, as well as planning and overseeing verification, validation and environmental testing. You will investigate failures, identify root causes, recommend corrective actions and contribute to continuous improvement activities. Clear documentation of designs, test results, technical decisions and compliance evidence will also be essential.

The successful candidate will have substantial experience in power electronics or power supply engineering, with a strong understanding of analogue and digital control, magnetics, semiconductor devices, protection mechanisms and thermal management. Experience with simulation, laboratory test equipment, design reviews and relevant safety and EMC standards is expected. You should be comfortable working with suppliers, manufacturing partners and cross-functional stakeholders, while managing priorities and communicating complex technical information clearly. A degree or equivalent qualification in electrical or electronic engineering is preferred, together with a structured, practical approach to problem-solving and a commitment to delivering safe, dependable and high-quality solutions.

We are seeking a Project Interface Engineer for Signaling and SCADA to support the successful integration of railway control, signaling, supervision, and automation systems within a complex infrastructure project. The role will act as a key technical link between project engineering teams, contractors, suppliers, operations representatives, and other disciplines, ensuring that interfaces are clearly defined, coordinated, and delivered in accordance with approved requirements, programme milestones, and safety standards.

Responsibilities will include identifying, documenting, and managing technical and functional interfaces between signaling, SCADA, telecommunications, power, rolling stock, platform systems, and wider control systems. You will review interface control documents, system requirements, design submissions, test procedures, and change requests, while monitoring the closure of technical actions and dependencies. The successful candidate will coordinate interface meetings and workshops, maintain interface registers and risk logs, support configuration and change control, and contribute to integration, verification, validation, testing, commissioning, and handover activities. You will also assist with resolving design discrepancies, assessing technical impacts, preparing progress reports, and ensuring that interface decisions are properly recorded and communicated to relevant stakeholders.

Candidates should have a degree or equivalent qualification in electrical engineering, control systems, automation, rail engineering, or a related discipline, together with relevant experience in signaling, SCADA, railway systems integration, or major infrastructure projects. Knowledge of interface management processes, systems engineering principles, requirements management, and testing methodologies is essential. Experience with multidisciplinary coordination, technical documentation, and contractor or supplier management would be highly desirable. You should be confident interpreting engineering drawings and specifications, analysing complex technical issues, and communicating effectively with both technical and non-technical stakeholders. Strong organisational skills, attention to detail, a proactive approach to problem-solving, and the ability to work effectively under programme pressure are required. Familiarity with applicable railway standards, safety assurance processes, and configuration management practices will be an advantage.

We are seeking an experienced OHLE Construction Team Leader to supervise and coordinate the safe, efficient delivery of overhead line electrification works across rail infrastructure projects. The role will involve leading site teams, allocating labour and resources, and ensuring construction activities are completed in accordance with approved designs, method statements, programmes and quality standards. You will act as a key point of contact between construction personnel, engineering teams, subcontractors and project management, helping to resolve issues and maintain progress on site.

Responsibilities will include planning daily work activities, briefing and supervising operatives, monitoring productivity, and ensuring all works comply with railway standards, relevant legislation and site-specific safety requirements. You will oversee the installation, assembly, adjustment and maintenance of OHLE equipment, including structures, foundations, registration assemblies, conductors, switches and associated components. The role will also require you to inspect completed work, maintain accurate records, report progress, support testing and commissioning activities, and identify potential risks or delays before they affect delivery. You will promote a strong safety culture, conduct toolbox talks, contribute to inspections and investigations, and ensure tools, plant and materials are suitable and properly controlled.

Applicants should have proven experience supervising OHLE, OLE or comparable railway electrification construction activities, together with a sound understanding of rail safety procedures and construction practices. Relevant technical or supervisory qualifications are desirable, as is experience working within possession, isolation and access arrangements. You will need strong communication and leadership skills, the ability to interpret engineering drawings and specifications, and confidence making decisions in a demanding site environment. A practical, organised approach, attention to detail and a commitment to quality are essential. The role may involve night, weekend and shift work, travel between project locations, and working at height or in challenging weather conditions. Appropriate rail safety competencies, site access certification and a full driving licence, where required, would be advantageous.

ewi is committed to equality in the workplace and is an equal opportunity employer. ewi is acting as an Employment Business in relation to this vacancy.

We are seeking a skilled Power Supply Electrician to support the installation, maintenance, testing and repair of electrical power supply systems across operational sites. The successful candidate will work on low- and high-voltage equipment, distribution systems, control panels, cabling, transformers, switchgear and associated protection systems. You will be responsible for ensuring that electrical infrastructure remains safe, reliable and compliant with relevant legislation, technical standards and site procedures.

Key duties will include carrying out planned and reactive maintenance, diagnosing electrical faults, completing inspections and testing, and responding efficiently to equipment failures or service interruptions. You will interpret electrical drawings, schematics and technical documentation; isolate and make systems safe before work; replace or repair defective components; and accurately record completed activities, test results and any follow-up requirements. The role may also involve assisting with new installations, modifications, commissioning activities and condition assessments. You will liaise with colleagues, contractors and operational teams to coordinate work, minimise disruption and maintain high standards of safety and workmanship.

Applicants should hold a recognised electrical qualification and have relevant experience working with power supply, distribution or industrial electrical systems. A strong understanding of electrical regulations, safe isolation procedures, inspection and testing techniques, and risk assessment is essential. Experience with high-voltage systems, substations, standby generators, batteries or uninterruptible power supplies would be advantageous, as would appropriate authorisation or certification for high-voltage work. You must be able to work independently and as part of a team, respond to emergencies when required, and maintain clear technical records. A dependable, methodical approach, good communication skills and a commitment to continuous improvement are essential. The role may require shift work, on-call duties, travel between sites and working in confined or challenging environments.

ewi is committed to equality in the workplace and is an equal opportunity employer. ewi is acting as an Employment Business in relation to this vacancy.

We are seeking an experienced RSY Project Track Sub-System Manager to lead the delivery of a key project sub-system from definition through to completion. You will be responsible for establishing clear technical, operational and delivery objectives, coordinating activities across engineering and project teams, and ensuring that requirements are fully understood, controlled and traceable throughout the project lifecycle. The role will involve managing interfaces with related systems, suppliers and stakeholders while maintaining a strong focus on safety, quality, performance, cost and schedule.

Key responsibilities will include developing and maintaining sub-system plans, monitoring progress against agreed milestones, identifying risks and dependencies, and implementing effective mitigation actions. You will oversee the preparation and review of technical documentation, support design reviews, manage change and configuration control, and ensure that verification, validation, testing and acceptance activities are properly planned and executed. You will also provide regular progress reports, contribute to governance meetings, and work collaboratively with commercial, procurement, assurance and delivery functions to resolve issues and maintain momentum.

The successful candidate will have proven experience managing a complex engineering, infrastructure or technology sub-system within a structured project environment. You will be comfortable working across multidisciplinary teams, managing suppliers and communicating with stakeholders at all levels. Strong planning, organisation, problem-solving and decision-making skills are essential, together with the ability to balance technical detail and wider project priorities. A relevant engineering, technical or project management qualification, or equivalent practical experience, is required. Experience of systems engineering, requirements management, configuration control, risk management and formal assurance processes would be highly advantageous.

We are seeking an experienced Track Construction Manager to lead the safe, efficient and high-quality delivery of rail track construction and renewal projects. Working across live and developing rail environments, you will be responsible for coordinating site activities, managing construction teams and ensuring works are delivered in accordance with approved designs, programmes, budgets and applicable railway standards. This role will involve close collaboration with project managers, engineers, subcontractors, suppliers, rail operators and other stakeholders.

Your responsibilities will include planning and supervising track installation, renewal, maintenance and associated civil engineering activities; coordinating labour, plant, materials and possessions; monitoring progress against programme milestones; and maintaining accurate site records, reports and handover documentation. You will ensure that construction methods, risk assessments, permits and inspection and test plans are properly implemented. The role also requires effective management of subcontractors, quality assurance, environmental controls and the resolution of technical or operational issues arising on site. You will promote a strong safety culture, lead briefings and inspections, investigate incidents where required, and ensure compliance with all relevant health, safety, environmental and railway regulations.

Applicants should have substantial experience managing rail track construction or renewal projects, with a sound understanding of track systems, construction processes, possession planning and railway safety requirements. A relevant engineering, construction or railway qualification is desirable, together with recognised site management and safety certifications. You will need proven experience leading multidisciplinary teams, controlling resources and costs, and delivering projects in high-pressure environments. Strong communication, organisational and problem-solving skills are essential, as is the ability to build effective working relationships with clients, contractors and operational stakeholders. Flexibility to work nights, weekends and extended shifts during possessions or critical project stages will be required.