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Principal Engineer - Industries



Bristol, PA, USA
Posted on Sunday, September 10, 2023

Do you want to help build a company with the capacity to disrupt whole industries and take on environmental issues on a global scale?

Matter. is a Venture Capital backed CleanTech scale-up and has an opportunity for a Senior Design Engineer that will focus on the industrial space and be instrumental in converting client POC projects into live engineering projects, whilst supporting the growth of this green field business function by leading the delivery of a new generation of microfiltration tech that will achieve scalable impact.

Job Title: Senior Design Engineer

Location: Central Bristol

Salary Range: £45k - £65k

Company Mission

Matter. is a microplastics capture technology company focused on sustainable design and circular economy. You will be working on some of the biggest challenges of our time; removing microplastics and micropollutants from the world’s waterways and airways.

Through brilliant design thinking, powerful partners, and an impatience to make what we do matter, our mission is to develop and scale products that are the hard line between the biological and technical cycle.

We pride ourselves on our amazing technology and passion for wanting to change things, but fundamentally what we are most proud of is our people.

For us, people are everything. It’s what makes a company, not the mission written on the wall or the fancy building we work in. Our people represent us, our values and why we do what we do.

The Opportunity

This role will be a key hire into our recently formed Industries business unit and will be instrumental in converting client proof of concept projects into live engineering projects, whilst supporting the growth of this green-field business function by leading on the delivery of a new generation of microfiltration tech that will make scalable environmental impact.

You will be working on industrial scale projects which span textile manufacturing and wastewater treatment, building large scale protypes to validate our technology and fabricate installations through our supply chain for installation on client facilities.

With your foresight to solve emerging technical risks and experience to deliver complex projects to specification, you will guide project teams and regularly host design and milestone reviews with senior management and clients, delivering technology from concept to technically feasible, commercially viable and sustainably designed solutions.

One of the many stand-out opportunities in this role is that you will be focusing on core technology and diversifying our tech portfolio through innovation and development of new technologies and be a leader in the microfiltration space.

Day to day, you'll provide support and technical guidance for a team of multi-disciplined designers on proof-of-concept projects or internal R&D.

Mobility is important as our clients are internationally based in Europe, Asia and Americas, with likely travel to sites to conduct field work and engaging with the client.

Key Responsibilities

  • You will be responsible for leading technical projects for clients and the delivery of project milestones and deliverables.
  • You will be responsible for managing your project team and the career development of your direct reports.
  • You will be responsible for project governance by reporting key information to the right stakeholders at the right time to manage emerging risks.
  • You will be responsible for providing the commercial team engineering expertise to support tendering and quoting.

How you will make an Impact

  • To be the leading technician behind Matters industrial diversification programme into new Industrial sectors.
  • Develop and secure new technologies for Matter’s IP portfolio.
  • Help build and manage the team for a new business category.
  • Deliver on large scale projects for partners and remove tonnes of microplastics from entering into the biological cycle.

How you will grow

The Industries business unit has the potential to be a big part of the future of what Matter does. You will enjoy all the advantages of being involved in a start-up such as autonomy, agility and developing new tech, whilst still being able to leverage cross-functional resources and core IP within a scale up environment.

About you

  • Proven record at leading the technical delivery of projects, with experience owning the product GA and key engineering documents.
  • The ability to pitch ideas and present to clients and customers, both nationally and internationally. Developing partnerships and engaging stakeholders.
  • Experience working with stakeholders to capture requirements and develop robust specifications.
  • Desire to travel both nationally and internationally to visit client facilities.
  • Experience supporting the professional and technical development of junior members of the engineering team, with the desire to foster a collaborative working culture.
  • Experience developing complex mechanical systems through the R&D process with an understanding of the commissioning requirements for end use installation of machinery.
  • Skilled at designing, building and testing system level functional prototypes, with a high proficiency in hand fabrication, 3D printing and ability to outsource production where required.
  • Ability to develop and manage project plans, budgets, resource, risk registers.
  • Experience developing test schedules and new test methods for both investigative and validation testing, with the ability to manage data and make informed technical decisions.
  • A sound understanding of fluid dynamics and experience working with water systems.in filtration.
  • Design for manufacture experience, including injection moulding, tooling actions and tolerance stacks.
  • Experience with designing for metal fabrication, producing technical drawings for production and the ability to work with metal in a workshop.
  • Experience working with standards and regulations for product compliance.
  • A high standard of CAD including parametric and surface modelling.
  • Experience working with patent attorneys, dealing with sensitive data and documents to secure intellectual property.
  • A degree at 2:1 in mechanical engineering, civil, aerospace or related field.


We pride ourselves on our amazing technology and passion for wanting to change things, but fundamentally what we are most proud of is our people.

In return for your expertise and dedication, we offer candidates the following:

  • Flexible working environment, based at our Bristol HQ with remote days possible.
  • 26 days holiday plus statutory bank and public holidays (pro rata).
  • 1 extra day of leave to celebrate you on your birthday.
  • Pension scheme – 5% employer contribution.
  • Sick pay - paid at full wages for any long-term illness up to 13 weeks.
  • Private Medical Insurance.
  • Medical cash plan - you & your family.
  • Group Income Protection - after 13 weeks of long-term illness paid 75% of wages for 5 years.
  • Life Assurance - one-off payment of 2 X your annual salary to next of kin.
  • Onsite kitchen, dining, breakout areas & healthy snacks.
  • Monthly lunch clubs.
  • Regular team events and parties.
  • On-site parking for bicycles and cars.
  • Cycle to work scheme.
  • Ethical discounts through Lumina.
  • Training & Development support incl. 5% of contractual hours used for self-development.
  • Professional membership - one per year where relevant to role.

The global mission to achieve cleaner water can’t wait, so neither should you! Apply today!

What to expect

After acknowledging your application, we will update you on the next stage of your hiring journey with Matter within 48 hrs.

At Matter, we believe that representation is crucial, and we are committed to creating a more inclusive organisation. We encourage applications from a diverse range of candidates, as we are dedicated to ensuring that everyone has a voice. We know that with increased diversity in our organisation, we can achieve even more.