Manufacturing Process Engineer

Ionetic; Brackley; On-site; GBP 40,000 - 60,000; Full time

Job summary

A battery technology start-up in Brackley is seeking a Manufacturing Engineer to develop and optimize manufacturing processes for new products, ensuring quality and efficiency. The ideal candidate will possess a degree in engineering or related field and have experience in low to medium volume assembly processes. Responsibilities include designing jigs and fixtures, collaborating with design teams, and leading manufacturing tasks. This is a pivotal role in a fast-growing company committed to electrification solutions.

Qualifications

• Degree level education in engineering, science or maths-based discipline is ideal.
• Experience in a process engineering role within low to medium volume assembly.
• Proficient in CAD tools for fixture and tooling design.

Responsibilities

• Plan and implement manufacturing facilities for battery assembly.
• Develop and refine manufacturing processes for new and existing products.
• Design and validate jigs, fixtures, and tooling.

Skills

Process engineering

Manufacturing process optimization

CAD tools proficiency

Automation and control systems

Precision assembly knowledge

Budget management

Risk assessments

Communication skills

Education

Degree in engineering, science or maths-based discipline

HNC or HND acceptable with relevant experience

Tools

SolidWorks

Inventor

Microsoft Office

Job description

Manufacturing Engineer

IONETIC is a battery technology start-up based in Brackley, just a few miles from Silverstone—the heart of British motorsport. We specialise in battery pack solutions for low-volume electrified applications, including buses, sports cars, and other vehicles. Our mission is to make electrification both possible and compelling for every vehicle OEM, by providing tailored, cost-effective battery packs with unmatched speed and flexibility.

By integrating proprietary software, mechanical design, and manufacturing technologies, into a single technology stack we call Arc, we deliver custom battery systems that meet a wide range of energy, power, and lifecycle requirements. Our chemistry-agnostic, scalable designs are built to accelerate the journey to net zero for our customers.

Working at IONETIC

IONETIC offers an exciting opportunity to be part of a fast-moving, innovative start-up that is shaping the future of electric mobility. With a strong order pipeline and growing demand for our technology, we’re expanding our team to broaden our capabilities and scale our operations.

As an early-stage employee, you will play a key role in developing the foundational technologies and capabilities that will power the next generation of electric vehicles. Every employee at IONETIC takes on meaningful responsibility and is encouraged to contribute ideas, take initiative, and grow both professionally and personally in a supportive, collaborative environment.

Opportunity

The Manufacturing Engineering team are responsible for the definition and development of our new manufacturing processes and facilities for our new products to support our growing UK customer base. You will be responsible for developing, optimizing, and sustaining manufacturing processes to ensure safe, efficient, and high‑quality production. This role focuses heavily on designing and implementing jigs, fixtures, and manufacturing methods that enhance productivity, repeatability, and manufacturability across our production activities. New technology applications and processes will be a fundamental part of the role.

Responsibilities

• Work within a team to plan, specify, develop, and implement manufacturing facilities for battery assembly and testing that meets its targets for quality, cost, and performance.
• Work closely with internal and external design teams to ensure products and technology requirements are feasible and cost effective and meet all manufacturing requirements through digitalisation tools.
• Develop and refine manufacturing processes for new and existing products, ensuring they meet quality, cost, and delivery targets.
• Design, develop, and validate jigs, fixtures, gauges, and tooling to support assembly, test, and fabrication operations.
• Design, develop, and validate processes interacting with automation systems including Cobots, industrial robots, Laser and testing operations.
• Work with internal teams and external suppliers to procure and commission new fixtures and tooling.
• Ensure all tooling complies with safety, ergonomic, and operational standards.
• Be an integral part of the early build phases both internally and at any customer facility.
• Evaluate suitability of manufacturing technologies and manufacturing systems, including Industrial engineering activities such as cycle line layouts and Ergonomic assessments
• Lead all manufacturing tasks to ensure that all programme deliverables are achieved on time and at cost.
• Contribute to the manufacturing aspects to support new business studies for new programmes / customers.

Skills and Experience

• Ideally educated to Degree level or above in an engineering, science or maths-based discipline. HNC or HND or similar would be acceptable if a level of relevant knowledge and experience can be demonstrated.
• Will have worked in a process engineering role within a low to medium volume assembly business.
• Proficiency in CAD tools for fixture and tooling design (e.g., SolidWorks, Inventor).
• Will have previous practical experience of designing and integration of automation and control systems.
• Good working knowledge of precision assembly and process control methodology, testing requirements, process, and layout flow.
• Good proven knowledge and experience of process equipment use, selection and validation methodology, including automation and robots.
• Good proven knowledge and experience of joining technologies including adhesives and laser welding.
• £500k+ Budget management experience.
• Good working knowledge of facility procurement and H&S procedures and principles.
• MES and control system knowledge and experience
• A strong proficiency in key engineering disciplines including GD&T.
• A strong proficiency in key process engineering skills, including Ergonomic assessment, Risk assessments, Cosh, Industrial engineering, PFMEAs and problem solving.
• Previous experience of design, installation and commissioning of production facilities
• Strong IT skills in Microsoft Office / CAD and other simulation systems
• Can communicate at all levels verbally and via written reports or presentations at a high standard.
• Valid UK driving licence or other suitable arrangements for business travel.
• Willingness to travel both domestically and internationally as required by the role.