Senior Electrical Engineer in Pembroke Dock

InSite Technical Services Limited (InSite) is a UK-based engineering consultancy with an international footprint, delivering expert engineering design, project management, and technical support across a range of energy and industrial sectors. With a strong track record in the oil refining, terminals, LNG, and renewables industries, InSite is committed to helping clients meet the challenges of the energy transition and deliver projects that support a more sustainable future. Our team of experienced engineers brings technical expertise and industry insight to every project, offering value, assurance, and innovative thinking from concept to execution.

We are seeking an Electrical Engineer or Senior Electrical Engineer to join our growing engineering and design consultancy team. This role offers the opportunity to deliver high-quality electrical design across a diverse portfolio of industrial and energy projects, working closely within a multidisciplinary environment and maintaining strong engagement with clients, contractors, and vendors. You will play a key part in delivering high-quality electrical design work, contribute to project decisions, mentor junior engineers where appropriate, and take ownership of high-quality deliverables from concept through to detailed design.

• Produce, review and support the approval of electrical engineering documents including calculations, specifications, datasheets, schedules, drawings and technical reports.
• Carry out and review electrical design activities such as cable sizing, load assessments and equipment selection, ensuring designs meet functional, safety and performance requirements.
• Support the preparation, review and coordination of drawings including general arrangements, layouts, single line diagrams, block diagrams and schematics.
• Provide input to project schedules, deliverable lists, cost estimates and the identification of scope, engineering deliverables and resource requirements for allocated tasks.
• Support change management by identifying variations in scope and communicating impacts to the Project Manager.
• Liaise with clients, contractors, vendors and internal teams to clarify design requirements, resolve technical queries and support alignment across the project.
• Participate in design reviews, project meetings and technical workshops, working closely with other engineering disciplines to deliver integrated project solutions.
• Provide guidance to junior engineers and apprentices where appropriate, contributing to a positive team culture focused on engineering excellence.

• Degree in Electrical Engineering or equivalent relevant industry experience, with a desire to pursue Chartered status advantageous.
• Strong experience in detailed electrical design within industrial, infrastructure or energy sectors, with good working knowledge of the 18th Edition Wiring Regulations (BS 7671).
• Competency with cable sizing tools such as ElectricalOM, Amtech or similar, and familiarity with general engineering software and MS Office.
• Experience contributing to multidisciplinary project environments and engaging confidently with clients, vendors and colleagues.
• Awareness or experience of HV systems (up to 11/33 kV), ATEX/hazardous area classification or earthing and lightning protection design is desirable.
• Experience using ETAP or similar software for load flow, fault levels or protection studies is beneficial.
• Lighting design experience and previous experience mentoring junior staff would be advantageous.

Many of our UK projects require high-level security clearance, meaning that visa sponsorship is not guaranteed and is assessed on a case-by-case basis, depending on role criticality and project needs.

• We offer a competitive salary tailored to your experience and background.
• Annual Leave + Bank Holidays
• Pension Scheme
• Life Insurance and long-term sickness cover
• Medical cover and Employee Assistance Programme (EAP)
• Maternity, Paternity Leave
• Cycle to Work Scheme
• Training & Development, including additional qualifications and accreditations relevant to your role

Insite Technical Services is an equal opportunities employer. We are committed to creating a diverse and inclusive workplace where everyone is valued and respected. We welcome applications from all individuals, regardless of background, and do not discriminate based on age, gender, disability, ethnicity, religion, sexual orientation, or any other protected characteristic. If you require any reasonable adjustments during the recruitment process, please let us know, and we will be happy to accommodate your needs.

Location: Pembrokeshire, West Wales

Employment type: Full-time

Seniority level: Not Applicable