Principal Engineer

As Principal Engineer, you'll be responsible for defining and championing appropriate engineering practices across product development, ensuring our teams consistently deliver brilliant, commercially successful products.

You'll act as a trusted technical authority, mentor and problem solver, influencing customers, stakeholders and engineering teams alike whilst helping shape the future capability of our business.

You'll combine strategic thinking with hands‑on technical leadership, balancing innovation, quality, risk and commercial objectives to achieve exceptional outcomes.

• Working with customers, stakeholders and internal teams to deliver innovative, manufacturable and commercially successful products.
• Providing technical leadership and authority across product development activities.
• Defining, implementing and promoting engineering best practice, standards and ways of working.
• Ensuring engineering processes are lean, effective and support a high probability of right‑first‑time delivery.
• Supporting bid, concept and development activities by identifying opportunities, challenges and technical risks.
• Acting as a trusted advisor during customer engagements, helping to build confidence in Tharsus' capability and approach.
• Solving complex technical challenges and providing guidance on critical engineering decisions.
• Coaching, mentoring and developing engineers, technicians and apprentices, helping to build capability across the organisation.
• Driving continuous improvement across engineering outputs, collaboration, processes and performance.
• Championing innovation and encouraging new thinking throughout the product development lifecycle.

• A track record of operating as a technical authority and influencing engineering direction.
• Significant experience leading the development and delivery of complex products, systems or technical solutions
• Experience working across multiple industries, sectors or technologies.
• Chartered Engineer (CEng) status, or a commitment to achieving it.
• Strong commercial awareness and an appreciation of balancing technical excellence with business objectives.
• The confidence to challenge assumptions and drive positive change.
• Excellent communication and stakeholder management skills.
• Strong planning, prioritisation and decision‑making capabilities.
• A collaborative leadership style with a passion for developing others.

At Tharsus, you'll have the opportunity to tackle fascinating engineering challenges, work with talented people and play a key role in developing products that make a real impact.

This is a unique opportunity for an experienced engineering leader to influence how we engineer products, develop technical capability across the business and shape the future of innovation within Tharsus.