java English-speaking jobs in Mainz

This is a founder-facing, build-from-scratch Chief of Staff and M&A Analyst role. You will build Metrallia's M&A engine, including systems, pipeline, and outreach, and support deals through to close. You will also act as the CEO's right hand on strategic projects.

Partner Solution Architects at Tanium identify and develop new ways for consultancies, systems integrators, and managed services providers to leverage the Tanium platform. They build relationships with partners, architect solutions, and teach partners how to use Tanium in their services.

Leads and manages Cloud device business in Europe, developing and executing strategic plans to achieve sales targets. Requires a minimum of 15 years' experience in a similar role with strong industry network and project management skills.

Senior Compliance Counsel will provide strategic advice to business units, manage risk assessments, and oversee investigations. Requires German State Examinations (1. and 2. Juristisches Staatsexamen), 5-8 years of experience, and a track record of handling investigations and risk assessments.

Lead IT Network Infrastructure team with expertise in WAN, SASE, ZTNA, LAN, WiFi, and firewall technologies. Manage vendor relationships and define technical standards for global and remote teams. Fluent English required, on-call availability for P1 incidents. Willingness to relocate to Germany (Nürnberg Metropolitan region).

Provides administrative and coordination support to the Leasing Director in a premium retail environment. Manages documentation, communication, and legal/financial processes for leasing operations.

Test Manager to integrate security testing into the overall test strategy, ensure traceability against CRA security requirements, and drive quality improvement activities.

Head of International Tax & Expansion will provide tax support and structuring for international business activities, advise management on strategic issues, and manage international tax issues.

Lead origination and acquisition of onshore wind projects in Germany. Build partnerships with developers, advisors, and authorities. Evaluate project risks and opportunities, support investment cases, and represent the business in industry forums.

Project HSE Trainer needed for a major hydrogen network expansion initiative in North-West Germany. Deliver internal HSE trainings, ensure workforce awareness, and support compliance with safety standards. Requires 3-5 years of HSE experience in Oil & Gas or Construction, HSE qualification preferred, and fluency in English and German.

The Vice President of Legal Software Business Unit (LSW) leads a pan-European software business, driving profitable growth and operational excellence. This role is responsible for strategy, execution, and P&L accountability across Sales, Product, Marketing, Customer Success, Operations, and Regional Leadership. The VP will lead a transformation to a focused product portfolio and function-led organization, leveraging AI and modern technology to accelerate growth and innovation.

The Energy Trading Manager PPA Portfolio will manage the end-to-end lifecycle of contracted assets, from evaluation and pricing to execution and performance monitoring. Responsibilities include contributing to desk PnL through trading strategies, working with the Origination team on business development, and developing hedging strategies. The role requires a proven track record in energy trading, asset optimization, or structured energy products, a detailed understanding of European energy markets, and strong quantitative and analytical skills.

Experienced cybersecurity leader sought to advise enterprise and strategic customers across DACH and Central Europe. Translate threats and trends into actionable business guidance and support strategic customer engagements. Lead executive-level discussions and deliver thought leadership through various channels. Collaborate with internal teams and build relationships with industry influencers.

Partner Manager develops and manages partnerships within digital marketing, e-commerce, SEO, and innovation. Identifies prospective partners, structures agreements, and provides sales support. Requires 4+ years of experience in partnerships, strong communication skills, and a drive to meet lead goals.

Azure Platform & Migration architect needed for implementation, service operation, and automation. Requires 12-15 years of infrastructure consulting experience, 6-7 years with Azure IaaS, and 4+ years with Terraform for Azure landing zone deployments. Must have strong communication and troubleshooting skills.

Packaging Development Manager will own and drive the PPWR roadmap, translating regulatory requirements into implementation plans. Develop and optimize consumer packaging solutions, balancing functionality, sustainability, and brand impact. Collaborate across functions, working with Packaging Development, Sustainability, R&D, Quality, Procurement, Production, Marketing, and Logistics.

Provides support to the Technical Director in daily operations, overseeing technical aspects of productions. Manages departmental leads, schedules, and preventative maintenance. Ensures compliance with safety regulations and policies. Collaborates with the Technical Director on HR matters and special projects. Requires five years of experience in technical management for large-scale productions and fluency in English.

Lead the development of intelligent systems that operate in the real world. Define AI and robotics strategy, build and scale multidisciplinary teams, and drive the development of autonomous systems.

Leads a team of data architects and engineers, developing and scaling data and AI capabilities. Responsible for strategic development, portfolio management, client relationships, and translating AI/data capabilities into client solutions. Requires 5+ years of leadership experience in data architecture & engineering, cloud platforms (Azure, AWS), and demonstrable portfolio responsibility.

Own and advance product strategy for unmanned systems, defining requirements, driving roadmap execution, and aligning stakeholders across complex programs.