System Design Engineer in London

Are you an experienced Power Electronics or Complex Electronics engineer looking to take the next step in your career? Join a leading telecoms company that designs and delivers subsea network cable infrastructure used by global communications providers.

In this role, you will develop System Technical Functional Specifications (TFS) and guide the design of complex electronic systems. You’ll work across multiple engineering disciplines, ensuring that all requirements are met, conflicts are resolved, and designs align with the bigger picture. Your ability to balance different priorities and make informed architectural decisions will be key to delivering robust, reliable systems.

What you’ll do:

• Develop and maintain System Technical Functional Specifications (TFS) and ensure traceability across all engineering functions.
• Coordinate with electrical, software, firmware, and mechanical teams to resolve design conflicts and ensure seamless system integration.
• Take a holistic view of system requirements, assessing the impact of design choices on performance, reliability, cost, and manufacturability.
• Support testing, validation, and risk analysis to ensure high-quality, robust system designs.
• Provide technical leadership and guidance across multidisciplinary teams.

What we’re looking for:

• Strong experience in Power Electronics or complex electronics systems.
• Proven ability to develop technical specifications and work across multiple engineering disciplines.
• Excellent problem-solving, analytical, and decision-making skills.
• Effective communication and stakeholder management – able to explain technical decisions clearly and resolve conflicts.
• Experience with system architecture, integration, and validation is highly desirable.

Why this role?

• Work with cutting-edge subsea telecoms infrastructure in a leading, global company.
• Hybrid working with 3 days per week onsite.
• Competitive salary: £80,000 – £82,000 + £6k car allowance and 10% bonus.
• Opportunity to shape the system architecture and influence key engineering decisions.