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HomeCompaniesIoneticPrincipal/Senior Mechanical Engineer

Principal/Senior Mechanical Engineer

Ionetic · Brackley, Northamptonshire, NN13 7UG, United Kingdom · Active · BambooHR

Job facts

FieldValue
CompanyIonetic
TitlePrincipal/Senior Mechanical Engineer
Normalized title-
Department / team-
LocationBrackley, Northamptonshire
Work model-
Employment typeFull Time
Salary-
Statusactive
ATS providerBambooHR
Posted / first seen2026-01-15 / 2026-05-30
Changed / last seen2026-05-30 / 2026-06-06

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City jobsActive postings in Brackley.Open
Lifecycle eventsOpen, update, close, and reopen events for this posting.Open
Original postingCanonical source or apply URL captured from the ATS.Open

Linked records

CompanyIonetic
Sourceb97f07e4-ca69-444c-8a90-a47bdfe13c85
ATS providerBambooHR

Description

Principal/Senior Mechanical Design Engineer IONETIC – who are we? 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 We are looking for a Mechanical Design Engineer to join our growing and talented engineering team. In this role, you will take ownership of developing battery module designs in both cylindrical and prismatic cell formats, and work on integrated pack solutions tailored to our customers' unique requirements. You will collaborate closely with our software and manufacturing teams to develop battery architectures that are configurable, scalable, and manufacturable within the IONETIC ecosystem. This is a hands-on, high-impact role where you will help shape the core technologies of our battery platform and play a key part in bringing innovative electrification solutions to market. Responsibilities Design flexible and configurable battery modules using parametric modelling techniques, which are a core part of IONETIC’s product strategy. Develop complete battery pack designs that offer competitive and tailored solutions to meet individual customer requirements. Conduct Design Failure Mode and Effects Analysis (DFMEA) to proactively identify and mitigate potential design risks. Ensure all designs are optimized for efficient and cost-effective manufacturing, adhering to design-for-manufacture (DFM) principles. Create and manage system and component-level requirements to ensure alignment with customer specifications and project goals. Develop and execute design verification plans to validate performance, safety, and compliance of battery modules and packs. Produce detailed component designs and technical drawings to support prototyping, testing, and manufacturing activities. Skills and Experience A bachelor’s degree in mechanical engineering or a related discipline. At least 2 years of experience in battery design or a closely related field. Proficiency in CAD software—preferably Siemens NX (training can be provided if needed). A solid understanding of systems engineering principles, including the system V. Familiarity with lithium-ion cell performance characteristics and how they influence overall pack concept and design. An interest in the electric vehicle industry and awareness of current battery technologies and market trends. Strong interpersonal and organisational skills, with the confidence and enthusiasm to work in a fast-paced start-up environment. Good computer literacy and the ability to communicate ideas clearly through reports and presentations. A valid UK driving licence or suitable alternative arrangements for local travel. Willingness to travel both within the UK and internationally as required.

Full job record

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Org ID199c1a1f-beb4-4c29-b444-1a9ea25bfc2b
Source IDb97f07e4-ca69-444c-8a90-a47bdfe13c85
Board IDb97f07e4-ca69-444c-8a90-a47bdfe13c85
Providerbamboohr
Provider Job Key39
TitlePrincipal/Senior Mechanical Engineer
Normalized Title
Statusactive
Activeyes
Location TextBrackley, Northamptonshire, NN13 7UG, United Kingdom
Department
Team
Employment Typefull_time
Workplace Type
Remote Policy
Country
RegionNorthamptonshire
CityBrackley
Salary Raw
Salary Min
Salary Max
Salary Currency
Salary Period
Source URLhttps://ionetic.bamboohr.com/careers/39
Apply URLhttps://ionetic.bamboohr.com/careers/39
First Seen At2026-05-30 06:05:12Z
Last Seen At2026-06-06 10:21:46Z
Last Checked At2026-06-06 10:21:46Z
Last Changed At2026-05-30 06:05:12Z
Inactive At
Source Posted At2026-01-15 00:00:00Z
Source Updated At
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    "description": "<p><span style=\"font-weight: bold\">Principal/Senior Mechanical Design Engineer</span></p>\n<p> </p>\n<p><span style=\"font-weight: bold\">IONETIC – who are we?</span> </p>\n<p>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.</p>\n<p>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.</p>\n<p> </p>\n<p><span style=\"font-weight: bold\">Working at IONETIC</span></p>\n<p>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.</p>\n<p>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.</p>\n<p> </p>\n<p><span style=\"font-weight: bold\">Opportunity</span></p>\n<p>We are looking for a Mechanical Design Engineer to join our growing and talented engineering team. In this role, you will take ownership of developing battery module designs in both cylindrical and prismatic cell formats, and work on integrated pack solutions tailored to our customers' unique requirements.</p>\n<p>You will collaborate closely with our software and manufacturing teams to develop battery architectures that are configurable, scalable, and manufacturable within the IONETIC ecosystem. This is a hands-on, high-impact role where you will help shape the core technologies of our battery platform and play a key part in bringing innovative electrification solutions to market.</p>\n<p><br></p>\n<p><span style=\"font-weight: bold\">Responsibilities</span> </p>\n<ul>\n<li>Design flexible and configurable battery modules using parametric modelling techniques, which are a core part of IONETIC’s product strategy.</li>\n<li>Develop complete battery pack designs that offer competitive and tailored solutions to meet individual customer requirements.</li>\n<li>Conduct Design Failure Mode and Effects Analysis (DFMEA) to proactively identify and mitigate potential design risks.</li>\n<li>Ensure all designs are optimized for efficient and cost-effective manufacturing, adhering to design-for-manufacture (DFM) principles.</li>\n<li>Create and manage system and component-level requirements to ensure alignment with customer specifications and project goals.</li>\n<li>Develop and execute design verification plans to validate performance, safety, and compliance of battery modules and packs.</li>\n<li>Produce detailed component designs and technical drawings to support prototyping, testing, and manufacturing activities.</li>\n</ul>\n<p> </p>\n<p><span style=\"font-weight: bold\">Skills and Experience</span>  </p>\n<ul>\n<li>A bachelor’s degree in mechanical engineering or a related discipline.</li>\n<li>At least 2 years of experience in battery design or a closely related field.</li>\n<li>Proficiency in CAD software—preferably Siemens NX (training can be provided if needed).</li>\n<li>A solid understanding of systems engineering principles, including the system V.</li>\n<li>Familiarity with lithium-ion cell performance characteristics and how they influence overall pack concept and design.</li>\n<li>An interest in the electric vehicle industry and awareness of current battery technologies and market trends.</li>\n<li>Strong interpersonal and organisational skills, with the confidence and enthusiasm to work in a fast-paced start-up environment.</li>\n<li>Good computer literacy and the ability to communicate ideas clearly through reports and presentations.</li>\n<li>A valid UK driving licence or suitable alternative arrangements for local travel.</li>\n<li>Willingness to travel both within the UK and internationally as required.</li>\n</ul>",
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