Plant Manufacturing Engineer (m/f/d)

At Clarios, we produce the world’s best batteries, essential for the evolving future of transportation. Our advanced, low-voltage batteries and smart solutions power nearly every type of vehicle and are found in 1 of 3 cars on the road today.

Ready to shape the future of Li-Ion manufacturing? Join us in building and scaling cutting-edge production processes with direct impact across our EMEA footprint and beyond.

Power your future with Clarios and explore the possibilities with us.

As a Plant Manufacturing Engineer (m/f/d) at our Hannover Li-Ion site, you will take ownership of critical manufacturing processes and drive their performance, stability, and continuous improvement in a highly automated and traceable production environment.

You will play an active role in shaping scalable Li-Ion manufacturing setups, working cross-functionally with Production, Quality, Maintenance, and Controls. With increasing responsibility, you will lead improvement initiatives, contribute to industrialization activities, and support the development of future EMEA manufacturing standards.

Your structured analyses and clear, management-ready communication will directly influence decision-making and sustainable performance improvements.

The position will be based in our Li-Ion plant location in Hannover, Germany.

What you will do

As a Plant Manufacturing Engineer (m/f/d), your responsibilities will include:

Drive manufacturing performance

• Own and improve performance of assigned production processes (e.g. scrap, downtime, stability)

• Identify losses, perform root cause analysis, and drive sustainable corrective actions

• Apply structured problem-solving methods to increase process capability and robustness

Execute and scale improvement initiatives

• Take end-to-end responsibility for defined improvement initiatives and process optimizations

• Lead implementation of process changes and equipment modifications in close collaboration with engineering and operations

• Support industrialization and ramp-up activities for new or modified production equipment

• Define technical requirements for tooling, fixtures, and equipment upgrades and coordinate external suppliers as needed

Enable data-driven manufacturing

• Translate process data into actionable insights and clear recommendations

• Prepare structured analyses and present results to plant and manufacturing leadership

• Contribute to building a performance-driven and transparent production environment

Documentation, standards, and traceability

• Develop and maintain work instructions, process standards, and standard work

• Contribute to PFMEA and control plan development to ensure robust and scalable processes

• Ensure documentation reflects current conditions and supports audit readiness

Change implementation and cross-functional collaboration

• Drive implementation of technical changes in alignment with production, maintenance, and quality

• Support training of operators and ensure sustainable process adoption

• Collaborate across functions to ensure stable and scalable manufacturing solutions

Data discipline, traceability, and audit readiness

• Ensure high standards of data integrity and traceability in a regulated manufacturing environment

• Support internal and external audits within your scope of responsibility

Safety and compliance

• Drive safe work practices and contribute to ergonomic and workplace improvements

• Ensure all changes follow plant safety and change management standards

What makes you a good fit

• Bachelor’s degree in Engineering or a comparable technical qualification

• 2–5 years of experience in manufacturing, process engineering, or a comparable technical environment

• Strong hands-on troubleshooting capability and willingness to work close to the shop floor

• Experience with structured problem solving (e.g. root cause analysis, data-driven improvement)

• Exposure to manufacturing documentation, process standards, or regulated production environments

• Familiarity with PFMEA, control plans, or audit requirements is a plus

• Experience in Li-Ion or other high-traceability environments is advantageous

• Strong ownership mindset and ability to independently drive topics forward

• Structured thinking, analytical capability, and clear communication

• Ability to operate effectively in cross-functional teams in a fast-paced plant environment

What we offer you

As a technology leader with strong brands (i.e. VARTA® and OPTIMA®), Clarios thrives on the capability, ambition, and development of its employees. Therefore, we offer people with drive and power many good reasons to join us:

• High-impact role in a future-defining technology – contribute to the scaling of Li-Ion manufacturing within Clarios’ EMEA footprint

• International and cross-functional exposure in a dynamic, performance-driven production environment

• Arrange your working hours and breaks flexible via our flexible working hours model and combine your professional and private life even better according to our above average number of vacation days, mobile work policy and company kindergarten.

• A competitive remuneration package, including additional payments as well as company pension scheme.

• Your well-being is very important to us: Take advantage of our preventive health care offers such as fitness center, physiotherapist, modern office environment, healthy canteen, team and company events or hobby clubs.

• Stay fit whilst at the same time positively contributing to our environment: Lease your company bike.

• Our well-advanced onboarding process and buddy program supports you to quickly grow into the position and team. By using the offering in our Learning Academy, LinkedIn Learning and EMEA Mentoring Program you will be able to further grow professionally and personally.

• Last, but not least we support you in relocating and finding an apartment in your work location, if applicable and depending on individual factors.

You want to learn more about the position and our EMEA region? Check out our regional page and get in touch with our recruiting team.

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About Clarios:

Clarios is the global leader in advanced, low-voltage battery technologies for mobility. Our batteries and smart solutions power nearly every type of vehicle and are found in 1 of 3 cars on the road today. With around 18,000 employees in over 100 countries, we bring deep expertise to our Aftermarket and OEM partners, and reliability, safety and comfort to everyday lives. We answer to the planet with a rigorous sustainability focus – advancing best-in-class sustainability practices and advocating for them across our industry. We work to ensure 100% of our products sold are recyclable, and we recycle 8,000 batteries an hour in our network. You can find more information here (PDF). 

To All Recruitment Agencies: Clarios does not accept unsolicited agency resumes/CVs. Please do not forward resumes/CVs to our careers email addresses, Clarios employees or any other company location. Clarios is not responsible for any fees related to unsolicited resumes/CVs.

Equal Employment Opportunity:
Clarios, LLC is an equal employment opportunity and affirmative action employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, status as a qualified individual with a disability, or any other characteristic protected by law. For more information, please view EEO is the Law, EEO is the Law (supplement), and Pay Transparency Non-discrimination. If you are an individual with a disability and you require an accommodation during the application process, please email Special.Accommodations@Clarios.com.

A Note to Job Applicants: please be aware of scams being perpetrated through the Internet and social media platforms. Clarios will never require a job applicant to pay money as part of the application or hiring process.