security English-speaking jobs in Mainz

Lighting & Special Effects Technician to support the Lighting & Special Effects team. Responsibilities include running follow spot/deck cue tracks, maintaining cue track documentation, inspecting and maintaining Lighting & Special Effects equipment, and supporting show needs during rehearsals and performances.

English-speaking educator to teach in a mixed-age learning group, collaborating with a German educator. Responsibilities include language instruction, working with parents, and organization. Must have experience with the Montessori method and fluency in English and German.

Provides front desk support, manages daily operations, coordinates meetings, and offers administrative assistance to various departments.

Leads teams and manages transaction engagements in Germany, Europe, and globally, advising on buy-side and sell-side transactions. Provides tax due diligence reports and transaction structuring advice. Manages the professional development of the team and networks with service lines and external partners.

The Max Planck Institute for Political and Social Science seeks a Postdoctoral Fellow to conduct research on the coexistence of violent orders and democracy. The project examines the relationship between political and economic institutions, political violence, and its consequences for political outcomes.

Uber Eats seeks a motivated Account Executive to expand its restaurant network in NRW/Hessen. This role involves executing sales campaigns, negotiating partnerships, and guiding new restaurant partners through onboarding. Experience in outbound sales, digital tools, and the restaurant industry is preferred.

Senior Project Manager to lead large-scale data center projects, overseeing program performance, client interface, and multidisciplinary teams. Proven experience delivering data center projects in Europe, UK, or Ireland required.

Site Reliability Engineer to implement and improve Just-In-Time (JIT) access solutions. Collaborate with the Cloud Control team to integrate security policies into infrastructure provisioning. Automate authorization flows for regulatory compliance.

Lead a research group in transportation and infrastructure systems. Develop and manage independent research and business areas. Experience in research, project management, and team leadership required.

The Country Manager will develop and execute the company's commercial strategy for Germany, driving sales of IoT and Cast solutions across industrial, commercial, and public sectors. This role requires proven B2B sales experience in the German energy sector, a strong understanding of German energy regulations, and excellent German and English communication skills.

Senior Network Solution Architect designs, develops, and supports complex enterprise network environments. Focus areas include network architecture, integration, consulting, and operational excellence. Requires expertise in Cisco-based environments, ACI, WLAN, WAN, and cloud/network infrastructure.

This full/part-time role at TUI BLUE Sylt, Germany, starting 01.03.2026, requires German fluency and certifications in Yoga, Functional Training, and Personal Training. You will lead group fitness sessions, plan activities, and engage with guests.

Lead Project Development Manager will drive the development of utility-scale battery storage, wind, and solar projects in Germany. Responsibilities include identifying opportunities, leading permitting and grid processes, and supporting project economics and financing. Requires 4+ years of renewable energy project development experience, German permitting knowledge, and fluency in German and English.

Drive standardization and optimization of financial and business processes across Clarios EMEA, with a focus on Record-to-Report. Lead month-end closing, reporting, SOX, and internal audit activities. Manage HQ cost and OE SG&A initiatives, enhance planning, forecasting, and reporting processes. Serve as the primary interface to the Shared Service Center and Global FP&A organization. Lead strategic initiatives and transformation programs, including ERP transformation and M&A activities. Provide people leadership, talent development, and organizational alignment.

Experienced Construction Manager needed for a 6-month battery energy storage system (BESS) project in North Rhine-Westphalia, Germany. Manage budgets, schedules, risks, and multidisciplinary teams. Lead construction and ensure stakeholder communication. Proven BESS or renewable energy project experience required.

Maintain, support, and develop the SAP HCM system. Assist the HR department with system requirements and improvements. Analyze and resolve issues within the SAP HCM system. Perform SAP Basis activities including system integration, user management, and system monitoring.

Customer Service Representative will manage international customer relationships, ensuring smooth order fulfillment and customer experience. Responsibilities include communicating with customers, coordinating shipping arrangements, and collaborating with internal and external stakeholders. Requires experience in a similar role, excellent English communication skills, and proficiency in Microsoft Office. Experience in a commercial or supply chain role, automotive industry, or knowledge of SAP/Salesforce is advantageous.

Process Engineer responsible for analyzing, developing, and improving production processes. Duties include coaching on problem solving, creating standards to eliminate issues, and executing product tests. Requires a bachelor's or master's degree in a technical field and strong analytical and communication skills.

Project Manager will develop project plans, manage delivery, and ensure project acceptance meets standards. The role involves maintaining customer relationships, collaborating with cross-functional teams, and achieving financial targets. The Project Manager will also document project management experience and improve process standards.

Experienced SAP Test Manager with 12+ years in QA management, specializing in SAP ISU, FICO, S/4 HANA, and integrated supply chain solutions. Requires 8+ years of SAP testing experience across ERP S/4 HANA implementations, including manual test case, plan, and execution.