java English-speaking jobs in Mainz
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Sr. Commodity Buyer (m/f/d)
- Clarios Germany GmbH & Co. KG
- Hannover
- July 17
As a Senior Commodity Buyer, you will develop and execute commodity strategies, manage supplier relationships, negotiate contracts, and drive cost reduction initiatives.Manager IT Security (m/f/d) – Vulnerability Management and Pentesting
- ista SE
- Essen
- July 17
Develops and optimizes vulnerability and exposure management capabilities. Operates and enhances Tenable-based security tools. Analyzes vulnerabilities and implements remediation strategies. Leads penetration testing activities across various environments. Collaborates with teams to support risk prioritization and security implementation.2026-0065 NSATU Core Services Lv 3 Engineering Sppt (CTS) - THU 30 Jul RELAUNCH
- EMW, Inc.
- Wiesbaden
- July 17
Expert Corporate Accounting and Reporting Home Comfort – focus on IAS12/IFRS (f/m/div.)
- Bosch Gruppe
- Wernau
- July 17
Expert in IFRS accounting and reporting, with a focus on IAS 12/income taxes, sought for Home Comfort Finance team. Responsibilities include ensuring high-quality, compliant, and timely group reporting, monitoring IFRS changes, and collaborating with internal and external stakeholders. Requires several years of relevant experience, strong knowledge of IFRS standards, and proficiency in SAP FI and MS Office.Working Student Finance Europe (m/f/d)
- Birkenstock Group B.V. & Co. KG
- Köln
- July 17
Working student position in Finance, focusing on Controlling in a B2B environment. Support business performance analysis, report development, and operational activities. Coordinate weekly reporting for EMEA Management Team and assist with budget, forecast, and monthly closing processes.Research Assistant (m/f/d) - Data Management - Datenbankentwicklung/BI, Forschung, Ingenieur
- Deutsches Zentrum für Luft- und Raumfahrt
- Jena
- July 17
Director of Global Programs (f/m/d)
- More in Common e. V.
- Berlin
- July 17
Leads More in Common's global and multi-country programs, developing, coordinating, and advancing initiatives that create value through cross-country collaboration. Responsibilities include program development and delivery, external representation and global partnerships, global fundraising, program quality and impact, knowledge management, and network participation. Requires a track record of designing and managing complex projects across multiple geographies, experience in external representation at a senior level, fluency in English and at least one other language, and significant leadership experience in an international organization.
Travelling Paint Maintenance Expert - Riding Team - Onboard.
- Carnival Corporation and plc
- Hamburg
- July 17
Inbound Sales Representative - German Speaking
- SumUp
- Berlin
- July 17
Thursday Events Producer
- Thursday
- Hamburg
- July 17
Thursday seeks an extroverted and organized Host to plan and execute weekly events in Hamburg, promoting the brand and connecting singles. Hosts will find and book venues, manage local social media, and create a vibrant atmosphere at events.
Customer Service Representative for Receivables Management
- Central Parking
- Germany
- July 17
Social Media Manager & Copywriter
- Ciklo Talent
- Berlin
- July 17
Social Media Manager & Copywriter needed to manage and publish content across all social media platforms. Write engaging copy, plan and distribute newsletters, and coordinate blog articles. Must have native-like German, 1+ year of experience in social media management, content marketing, or copywriting, and excellent written German.
Project Manager
- CloudHQ, LLC
- Frankfurt am Main
- July 17
The Project Manager leads pre-construction phases of hyperscale data center projects across EMEA, ensuring projects are fully defined, cost-planned, and de-risked before construction. Responsibilities include leading project governance, communication, and stakeholder management, defining scope, budget, and program, and coordinating site due diligence, design development, and procurement. The role requires 8+ years of experience in data center, critical infrastructure, or complex real estate development projects, strong understanding of construction across EMEA, and proficiency with scheduling/programming software.
Construction Supervisor
- MAAP-bv
- Hamburg
- July 17
Experienced Construction Supervisor needed for brownfield projects in an operating production environment. Oversee site activities, coordinate contractors, and ensure safety compliance. Minimum 10 years of experience in industrial construction supervision required.
Business Travel Consultant (with German)
- Corporate Travel Management (CTM) Group
- Berlin
- July 17
Manage all aspects of travel for clients, providing support, consulting, and advising on travel solutions. Utilize GDS, particularly Sabre, and Freshdesk. Ensure client travel policies are adhered to and SLA's and KPI's are consistently met.
Cyber Security Analyst (m/f/x) - For German Resident Only
- YOGI TEA GmbH
- Schenefeld
- July 17
The Cyber Security Analyst supports the confidentiality, integrity, and availability of Yogi's information systems across European operations. Responsibilities include monitoring security alerts, administering security controls, investigating security issues, and contributing to compliance with ISO 27001, NIS2, and GDPR.
Engineering Operations Technician (EOT), DCEO , DCEO
- Amazon
- frankfurt
- July 17
Oversees the operation and maintenance of electrical and mechanical infrastructure for Amazon Web Services (AWS) Data Centers. Responsibilities include ensuring safety standards, troubleshooting equipment, and supervising maintenance activities. Requires knowledge of electrical competencies and theory, and experience in data center engineering is preferred.
Head of IT Division (CIO)
- PEAC Holdings (Germany) GmbH & Co. KG
- Hamburg
- July 17
Lead the IT function across PEAC Solutions Europe, overseeing five teams and 50+ employees. Own and optimize core SAP platforms, drive digital transformation initiatives, and ensure secure, compliant IT operations. Partner with executive management and stakeholders on IT investments, vendor management, and organizational development.Chief Technology Officer
- CodeAnalytiqa Consultancy and Services
- Germany
- July 17
The Chief Technology Officer (CTO) will define the target architecture for the company's ecosystem of choice for the utility industry. The CTO will lead a small core team, shape engineering through architecture and standards, and work closely with the VP R&D. The role requires substantial experience as a CTO, Chief Architect, or similar role, with a proven track record of owning architecture for large software systems.
Working Student – Hardware QA, Provisioning & Assembly (m/f/d)
- Sensorberg GmbH
- Berlin
- July 17


















