Senior Prototyping Engineer – Rapid Embedded Prototypes

SubSea Craft Limited; Portsmouth; On-site; GBP 59,000 - 72,000; Full time

Benefits offered by this job

Pension Contribution

Annual Bonus Scheme

Life Assurance and Critical Illness

Annual Leave 25 days + bank holidays

Christmas Leave

Wellbeing Day

Family Leave

Private Healthcare

Professional Development

Flexible Working

Inclusive Culture

Job summary

SubSea Craft Limited in Portsmouth is seeking a Senior Prototyping Engineer to join a fast-paced R&D team. You will work across multiple engineering disciplines, combining design with hands-on prototype assembly and testing.

The role emphasises an iterative development approach—“fail fast, learn faster”—and requires a strong background in embedded systems, PCB development, and RF. Occasionally travel and collaboration with Diver Delivery, USV, and UAV teams are expected.

Qualifications

• Bachelor’s or master’s degree in Mechanical, Mechatronic, Aerospace or Systems Engineering; Electronics, Robotics or other relevant STEM discipline.
• Significant applicable experience with relevant hobbyist experience considered

Responsibilities

• With a broad scope and limited guidance, take a leading role in rapid prototyping of systems, from concept to fully functioning prototypes.
• Support the smooth transitioning of successful prototypes to Engineering.
• Undertake a combination of office-based design work and hands-on practical workshop tasks to support prototype builds, including mechanical and electrical assembly.
• Assist and mentor others in a collaborative environment to achieve our common goals.
• Support the execution of test and validation activities both on-site (e.g. test rigs) and off-site during system testing at external test locations.
• Liaise with other business units (e.g. trials team, commercial, procurement, manufacturing, etc.).
• Occasional travel abroad.
• Work with external partners on component procurement and legislative/compliance requirements.

Skills

Rapid prototyping

Embedded systems

PCB design

RF systems

Unmanned systems

Robotics

Networking protocols

Team collaboration

Education

Bachelor’s or Master’s in Mechanical/Mechatronic/Aerospace or Systems Engineering

Job description

SubSea Craft Limited in Portsmouth is seeking a Senior Prototyping Engineer to join a fast-paced R&D team. You will work across multiple engineering disciplines, combining design with hands-on prototype assembly and testing.

The role emphasises an iterative development approach—“fail fast, learn faster”—and requires a strong background in embedded systems, PCB development, and RF. Occasionally travel and collaboration with Diver Delivery, USV, and UAV teams are expected.