Senior Engineer, Combustion

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Job Description

Since launching the world’s first portable wood‑pellet pizza oven in 2012, Ooni has grown into an award‑winning, multinational company with a product range loved by pizza makers all over the globe. Our mission has always been to design innovative products that spark joy in our customers, and whilst we’re incredibly proud of what we’ve accomplished so far – we’re only just getting started.

We’re now entering an exciting new chapter in Ooni’s journey. As part of our growth strategy, we’re strengthening our core technical capabilities within the product team and that’s where you come in. We’re on the lookout for a Senior Tech Dev Engineer specialising in Combustion to join our product development team, and help take Ooni to the next level.

In this role, you’ll play a pivotal part in shaping the next generation of Ooni products – transforming creative ideas into robust, production‑ready, high‑volume solutions. You will work across multiple projects and product lines, playing a key role in ensuring outstanding performance, consistency, and safety across a range of fuel types and formats.

This is a hands‑on, highly technical role where you’ll lead the development of combustion systems from initial concepts and simulations through the entire product lifecycle. From early technology prototypes to production‑ready solutions, you’ll oversee every stage while working closely with our manufacturing partners in the Asia‑Pacific region. Reporting to the Head of Design and Innovation, you’ll be part of an energetic, highly ambitious, and multifunctional team focused on delivering the next generation of Ooni’s products.

This role will spend 4 days per week at our offices in Broxburn, Edinburgh.

• Performance Definition & Requirements:
  Own the process of setting and maintaining combustion performance targets for new products, ensuring designs meet efficiency, reliability and compliance requirements.
• Design for Manufacture:
  Work with manufacturing partners (mostly in China) to optimise gas or solid fuel combustion systems for manufacture.
• System Development:
  Collaborate with designers to create modular, efficient gas burners and solid‑fuel systems that are robust, scalable, and production‑ready.
• Agile:
  Quickly and confidently understand how systems function within a product, applying strong fundamentals to identify where adjustments are needed to ensure system‑level prototypes perform effectively in real‑world conditions.
• Simulation & Modelling:
  Use computational and physical modelling at both component and system levels to investigate performance limitations and identify opportunities for optimisation.
• Testing & Verification:
  Collaborate with test and mechanical teams to design test plans, fixtures, and methods that validate and refine combustion system performance.
• Design Rules:
  Further develop and own the combustion design rules for both gas and multi‑fuel systems and support design teams to deliver as per these requirements.
• Proactive Design Improvement:
  Identify potential issues early in the design process that could affect combustion efficiency or system performance and implement solutions.
• Energy Efficiency Leadership:
  Champion initiatives that advance energy efficiency across Ooni’s product portfolio, contributing to sustainability goals.
• Technical Reporting:
  Produce clear, high‑quality technical documentation and reports that provide actionable insights for project teams and guide future product improvements.

What you’ll need to succeed

This role is ideal for a technically strong, detail‑oriented engineer who enjoys turning ideas into working prototypes and is comfortable operating across the entire product development lifecycle. You’ll thrive at Ooni if you’re a collaborative problem‑solver who enjoys working in a fast‑paced, innovative environment.

• Significant and demonstrable experience in combustion systems, fluid flow simulation, or a closely related field.
• Demonstrated track record of taking designs from concept through to production.
• BEng or MEng in…