Senior Electrical Build Engineer in Portsmouth

Salary: £45,000-£55,000 DOE • Full Time • Permanent

Overview

Who we are: SubSea Craft is a fast growing, privately-funded, UK-based innovative maritime technology company specialising in next-generation, high-performance watercraft and systems. We operate at the intersection of advanced engineering, cutting-edge design, and user-centric innovation, delivering safe, effective, and enabling solutions for both commercial and defence applications.

What we offer:

• Annual Leave – Entitlement to 25 days of annual leave plus bank holidays
• Wellbeing Day – An additional Wellbeing Day each year to focus on personal health and wellbeing
• Private Healthcare – Access to comprehensive private healthcare coverage to support your physical and mental wellbeing
• Life Assurance and Critical Illness Cover – Life Assurance (4x salary) and Critical Illness Cover for added financial security
• Family Leave – Enhanced maternity and paternity pay
• Christmas Leave – A Christmas shutdown is typically observed
• Professional Development – Ongoing learning and career growth, supported by training programmes and access to LinkedIn Learning
• Pension Contribution – Pension scheme with the option to contribute via salary sacrifice
• Flexible Working – Opportunities for flexible working arrangements to promote work–life balance
• Inclusive Culture – A professional environment that values diversity, innovation, and collaboration

Role Overview

We are seeking a skilled Senior Electrical Build Engineer to lead a team of electrical engineers in delivering high‑quality HV, LV and CAN‑based electrical systems. You’ll take ownership of day‑to‑day workflow, mentor junior engineers, and ensure all builds, installations and commissioning activities meet our high safety and quality standards. This hands‑on role involves overseeing electrical build, fault‑finding, driving continuous improvement, and working closely with other disciplines to keep projects on track. Your role is crucial in ensuring the quality and performance of our products and places you at the forefront of advancing world-leading maritime technology.

Responsibilities

• Team Management
  • Manage a team of Electrical Engineers, providing daily direction, support, and technical oversight to ensure high‑quality delivery.
  • Allocate tasks, manage workloads, and set clear priorities aligned with project timelines and production requirements.
  • Conduct skills development, and on‑the‑job training to improve team capability in electrical installation, fault‑finding, and safe working practices.
  • Foster a positive, collaborative, and accountable team culture within the electrical build team.
  • Ensure the team follows company processes and project schedules accurately to support on‑time delivery.
  • Understand and continue to work closely with the Production Engineering team to continually improve and improve efficiency across projects.
• Electrical Build & Installation
  • Oversee and participate in the installation, routing, termination, and integration of complex electrical systems, including HV, LV, and CAN‑based architectures.
  • Ensure all electrical systems are correctly set‑to‑work, tested, and commissioned to meet quality, safety, and regulatory standards.
  • Ensure the team uses suitable components, tooling, and installation methods that meet operational and quality requirements.
  • Act as the senior point of accountability for electrical build quality, ensuring consistent standards across all team members.
• Inspection, Diagnostics & Continuous Improvement
  • Conduct inspections, sign‑offs, and reviews of build work to ensure compliance with internal processes and industry regulations.
  • Lead diagnostics and fault‑finding activities, ensuring rapid issue resolution and thorough root‑cause analysis.
  • Use digital work‑management tools to monitor progress, update documentation, and ensure accurate traceability of work completed.
  • Contribute to the development and improvement of build procedures, work instructions, and workshop processes.
  • Always having continuous improvement in mind.
  • Encourage innovative thinking within the team, driving efficiency, consistency, and reliability across the workshop.
  • Lead feedback loops to address recurring build issues and support cross‑department improvements.
  • Maintain a safe, organised, and professional workshop area; ensure the team upholds the same high standards.
  • Demonstrate pride, ownership, and professional integrity in all electrical builds, representing the team and organisation with excellence.

Qualifications and Experience Required:

• Previous experience leading a team of engineers in a production environment, understanding processes and procedures.
• Able to work with a deep understanding of DC power systems as well as PLC and CAN control architecture.
• Experience of fault finding, new builds, quality control and creating of documentation for process.
• Must be proficient in the use of hand tools and confident to build, fit and fault find complex system and components to a high standard.
• Able to work from drawings and work instructions, complete documentation when required.
• Computer literate with basic knowledge of Microsoft Office.

Desirable:

• City & Guilds, HNC or HND qualification in Electrical, Electronic Engineering or Marine Engineering, or extended experience in an Automotive or marine environment.
• Able to fault find and fix mechanical, hydraulic systems.
• Able to use Auto-CAD, Inventor, and other 3D software.

Note: Due to the nature of work undertaken at SubSea Craft, the selected candidate must be capable of meeting the security requirements of the position, which would include as a minimum existing right to live and work in the UK, Baseline Personnel Security Standard (BPSS), with UK National security clearance required for certain roles.

Values

Our people are our greatest asset, we continually strive to provide an excellent working environment to enable our team to do their best work. We have an agile professional workforce: we are founded on the belief that our people are valued and our business is trusted, inclusive and commercially-adept.

What we expect from you:

• Teamwork, mutual respect and collaboration
• Initiative and independent working
• Honesty and integrity
• Business and commercial awareness
• Agility, adaptability and continuous development

We are committed to building an inclusive, diverse workplace where everyone can thrive. If you require any support or adjustments to interact with us, please let us know.

* Please note that all offers of employment are conditional and subject to satisfactory DBS, driving licence and reference checks. A criminal record will not automatically disqualify candidates from employment. We will consider criminal record information alongside the wider range of evidence gathered at the application, interview, and pre-employment checking stages. Due to the high volume of applications, we are unable to respond to everyone. If you are shortlisted, we will aim to contact you within 14 days of your application or the closing date (if stated). We may retain your details for future suitable roles unless you advise us otherwise. For details of how we process your personal data, please refer to our privacy notice.