java English-speaking jobs in Mainz

Quality Manager leads and develops the Quality Department in Germany & Poland, ensuring high-quality product manufacturing. Responsibilities include maintaining the quality management system, implementing Lean techniques, and prioritizing safety. Requires ISO9001 knowledge and quality leadership experience.

Expert in Semiconductor Metrology & Process Control drives development of advanced measurement solutions for MEMS and semiconductor manufacturing. Develop, qualify, and maintain electrical/optical methods, optimizing processes and yield.

Develop cutting-edge test solutions for optical mirrors and telescope systems. Define optical alignment using metrology equipment and support GD&T testing. Transition high-end optical assemblies from design to production.

Join the 24-month Trainee Procurement Graduate Program to shape Europe's energy transition. Explore supply chain activities, strategic planning, and supplier management across E.ON. Requires a relevant Bachelor's/Master's degree and fluency in English and German.

IT System Administrator to manage and develop hybrid infrastructure. Responsibilities include Microsoft 365 administration, security, and automation using PowerShell. Requires relevant experience with Windows Server, Active Directory, and strong German skills.

Senior Hardware Engineer in Control Electronics defines and develops hardware solutions. Responsibilities include designing advanced control electronics, defining V&V strategies, and driving AI-enabled engineering. Requires 9+ years in embedded hardware and control electronics.

Chief Engineer oversees electrical, mechanical, and fire/life safety equipment in data centers. Responsibilities include maintenance, emergency response, and managing large-scale facility projects to drive innovation and reduce costs.

Experienced Structural Engineer needed to support technically challenging projects across Germany. Responsibilities include structural design using steel, concrete, timber, and masonry, calculations, and coordination with multidisciplinary teams. Requires 3–8 years of experience.

Responsible for cybersecurity of Windows-based medical devices across the product lifecycle. Duties include threat modeling, risk assessments, and implementing security controls while adhering to standards like IEC 81001-5-1.

Senior Product Manager develops global product roadmaps and manages the entire product lifecycle. This role defines business cases, balances design with cost-efficiency, and drives go-to-market strategies across international channels.

Lead global automation strategy and implementation for production lines. Direct a team of 30 experts, defining standards for PLC, SCADA, and AMR technology. Drive Industry 4.0 initiatives to improve quality and efficiency.

Company DescriptionWith over 25 years’ experience, plus the same enormous passion and ambition we had on day-one, we’re trailblazers in the pet e-commerce industry. Our solutions make over 12 million customers genuinely happier – and that’s something we really care about. We work together to continually adapt; embracing change and the challenges it brings so that we can keep doing better.

Engage enterprise customers to understand business and security challenges. Design and present end-to-end cybersecurity architectures across complex environments. Act as a technical advisor, leading workshops and supporting opportunity development. Requires 5-8+ years in IT/cybersecurity.

Microbiology Team Lead to establish and manage a microbiology team at a new site. Responsibilities include developing methods like endotoxin and bioburden testing, setting up lab processes, and leading team recruitment. Requires strong practical microbiology, GMP knowledge, and fluency in German and English.

Expert Quantity Surveyor for Mechanical & Electrical supports Subcontracting Management across the project lifecycle. Responsibilities include estimating costs from drawings and preparing BoQs using digital tools. Requires a degree and five years of relevant experience on EPC projects over €500M.

Senior IT Audit Manager, Vice President, oversees IT, cybersecurity, and digital resilience audits globally. This role requires strong technology audit expertise, CISA certification, and experience in financial services risk management.

Support ING Germany's liquidity, funding, and risk management across currencies. Manage strategic liquidity, execute money market and FX transactions, and monitor portfolio risks. Requires finance/econ degree and Treasury experience.

Junior Clinical Research Associate role at a CRO. Conduct onsite and remote monitoring visits, perform CRF review, and ensure data integrity. Requires advanced CRA training, a life sciences degree, and strong German/English skills.

Lead project planning, delivery, and adoption for NewGen projects, turning ideas into measurable business outcomes. Requires 12+ years of PM experience, cross-functional collaboration, and a recognized certification.

Lead the Information Security Center of Excellence in Germany. Responsibilities include people leadership, local governance, and managing CIS employee development within a matrix organization. Requires cybersecurity/IT background and fluency in English and German.