java English-speaking jobs in Mainz

HVDC Commissioning Manager to lead testing and execution of large-scale international HVDC Projects. Responsibilities include planning, team development, and documentation for the energy transition. Requires electrical engineering degree and HVDC commissioning experience.

Regional Enterprise Sales Director for Industrial AI Transformation in DACH. This executive role drives commercial strategy, market expansion, and executive engagement for Mendix and Intelligence Center X. Requires extensive enterprise software sales leadership.

Identify potential B2B SaaS accounts internationally, initiate multi-channel outreach, and build a continuous lead pipeline. Optimize sales tech and create sales collateral to drive efficiency. Fluent English is required.

Senior Systems Administrator manages Microsoft 365 tenant-level administration and Atlassian products. Responsibilities include access control, tool ownership, automation, and maintaining secure integrations across the internal tooling ecosystem.

Experienced Network Architect needed for a 3-6 month contract supporting IT/OT network transformation. Focus areas include Fortinet/FortiManager, IDMZ, Purdue Model, IT/OT segregation, and network security. German language skills are essential.

Forklift Driver role involving operation of various industrial trucks, loading/unloading, and palletizing. Requires a valid forklift license, scanner experience, and flexibility.

As Project Manager, you orchestrate complex real estate space conversion projects from concept to handover. You lead interdisciplinary teams, ensuring successful delivery regarding time, cost, and quality.

Field Coach Trainer will lead a culture of retail excellence, coaching Client Advisors on product knowledge, selling skills, and client development. Responsibilities include monitoring client interactions, identifying performance opportunities, creating coaching plans, and delivering training sessions.

Senior CAMO Engineer for Helicopters ensures fleet airworthiness per EASA Part-CAMO. Responsibilities include managing maintenance programs, evaluating ADs/SBs, and maintaining technical records. Requires relevant engineering degree or EASA Part-66 license.

Account Manager Medical Ophthalmology of Germany drives sales of advanced medical solutions to hospitals and clinics. This role requires strategic selling experience in the medical industry, fluency in German and English, and a Bachelor's degree in a scientific or engineering field.

Build the Continuous Improvement function at a growing logistics hub by introducing Lean principles, developing the CI roadmap, and leading improvement initiatives. Requires experience in CI/Lean and fluency in German.

Support efficient payroll operations and HRIS development. Coordinate payroll activities, review results, and improve processes. Administer HR systems, maintain employee records, and communicate with the Group regarding payroll and HRIS.

HVDC Commissioning Manager responsible for testing and executing commissioning activities for large-scale international HVDC Projects. Leads international teams from preparation through on-site execution. Requires electrical engineering degree and experience with HVDC Systems.

Global Solution Sales Manager (Director) manages large German corporate client portfolios. Responsibilities include leading sales origination of complex digital solutions across payments, liquidity, and working capital. Requires deep knowledge of these solutions and fluency in English and German.

The Group General Counsel provides overall responsibility for legal affairs, corporate governance, and compliance. This role advises senior management on corporate, commercial, and regulatory matters.

Develop GWDG's QC ecosystem by connecting quantum workloads to HPC infrastructure. Responsibilities include scheduler logic, SLURM optimization, and performance tuning for hybrid workloads. Requires CS/Physics degree and Python coding skills.

Data Center Chief Engineer ensures MEP infrastructure operates at 100% availability. Responsibilities include maintenance, emergency response, and managing large-scale facility projects. Requires experience in data center engineering.

Procurement Specialist for Transport & Logistics. Translate procurement strategies into results across Warehouse, Air, Ocean, Road, and Parcels. Lead tenders, analyze markets, and manage supplier partnerships. Requires business-fluent German and English.

Applications Engineer for Integration ensures quality assurance of advanced laser-based systems. This hands-on role involves microscope inspections, process control, and root-cause analysis across optics, electronics, and chemical processes.

Our Operational Purchasing Team understands diverse needs and global markets. We are right on the frontline when a product idea turns into a purchasable item, helping to shape trends across various markets. Working in close collaboration with your colleagues, you will negotiate high-responsibility projects.