java English-speaking jobs in Mainz

As a Ground Segment Software IVV Engineer, you will be responsible for the Integration, Verification and Validation of software for Mission and Payload Management, including the integration of AI-engines. You will contribute to the definition of the IVV Plan and Reports, perform Software Design, Development and IVV tasks, and analyze data from validation tests.

As an Account Executive for the DACH region, you will execute go-to-market plans, achieve sales goals, and build relationships with agencies, brands, and retailers. You will leverage your eCommerce or marketing agency background and strong communication skills to drive sales and become a trusted e-commerce advisor.

Lead and develop the indirect procurement team, ensuring clear prioritization and alignment within a growing organization. Manage the full procurement lifecycle, including market analysis, sourcing, contract negotiation, and contract award. Drive cost optimization and value creation through spend analysis and supplier strategies.

The CFO Switzerland will architect and optimize financial technology, drive process reengineering, and lead a team of accounting professionals. Responsibilities include building and scaling a high-performing team, delivering financial reporting, and supporting strategic decision-making. The ideal candidate has a proven track record of automating and scaling finance operations in fast-growing environments.

Hire Resolve is seeking experienced petrochemical professionals for roles in refinery, chemical, and downstream manufacturing operations across Germany. These mid- to senior-level positions offer pathways to leadership roles.

Senior Channel Sales Representative will develop and execute account plans for existing channel partners in the DACH region, maximizing product and service portfolio utilization to achieve sales targets and sustainable growth. The role involves building long-term relationships with channel partners, supporting sales opportunities, and developing new partnerships. Requires a proven track record in channel management and sales, with experience in the AIDC or IT industry.

Lead and grow a high-performing engineering team (4-9 people) responsible for delivering a large-scale real estate platform. Contribute to architecture, prototypes, and code while ensuring predictable delivery and engineering quality. Manage risks, remove blockers, and drive roadmap and OKRs.

The Senior Originator 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 tools for deal evaluation and back-testing. The role requires a strong market view of European energy markets and experience in position management and portfolio optimization.

Experienced General Counsel needed for a growing multi-entity business. You will manage all legal aspects of the organization, including corporate operations, investments, and cross-border structuring. Must have a JD from an accredited law school, be barred in at least one U.S. jurisdiction, and have 5-10 years of legal experience.

Project Manager to lead building automation and technical building services projects in Germany. Manage projects from initiation to completion, ensuring on-time, on-budget delivery and quality standards.

Private Equity Associate to support the full investment cycle for infrastructure assets across Europe and OECD markets. 3-5 years of experience in private markets, investment banking, or consulting with a focus on infrastructure. Strong financial modeling skills and experience in due diligence and transaction execution.

Project Manager responsible for planning, managing, and executing renewable energy projects. Oversees project progress, quality, safety, cost, risk, and personnel. Supports business development, procurement, and contract negotiations. Requires fluency in English, 5+ years of project management experience, and 3+ years in the PV field.

Onboard and manage new business clients, developing and launching Google Ads campaigns. Provide tailored digital strategies, drive upselling, and analyze campaign performance. Requires 2+ years experience in sales, digital marketing, or account management. Strong understanding of Google Ads and experience working with clients in a target-driven environment. Fluency in German (C2) + English (C1) or Dutch (C2) + English (C1) is required.

German Customer Service Specialist needed for international projects in Lisbon, Portugal. Provide support to German-speaking customers via phone, email, and chat. Must be native/fluent in German (C1-C2) and have good English skills (B1+).

Provides training, develops training materials, and supports the deployment of TE applications at service agreement sites. Solves problems and analyzes solutions using TE procedures. Requires knowledge of AIX Analytics, FDC products, and customer operational models.

Training Coordinator needed to support NIIT's customer in Frankfurt. This role involves analyzing training needs, coordinating session delivery, and collaborating with the customer's learning delivery team. Requires 2-4 years of experience in learning delivery management, fluency in German and English, and proficiency in MS Office.

Leads and structures the Internal Audit (IA) team, defining the IA charter, audit strategy, and methodology. Manages the global IA budget and oversees audits covering financial reporting, IT general controls, and MAR/disclosure controls. Ensures timely issue remediation and drives a culture of accountability and continuous improvement.

Develops and executes a global steel commodity strategy for Siemens Energy, ensuring competitiveness, resilience, and sustainability. Provides subject matter expertise on steel markets, regulations, and decarbonization. Manages strategic supplier relationships and mitigates supply chain risks.

Ophthalmologists (m/f/d) are sought for positions throughout Germany. Responsibilities include general ophthalmological examinations and treatments, visual acuity tests, preventive medical check-ups, and screening tests. The environment offers modern outpatient treatment infrastructure, administrative relief, and opportunities for professional development.

TRATON GROUPWith its brands Scania, MAN, International, and Volkswagen Truck & Bus, TRATON SE is the parent and holding company of the TRATON GROUP and one of the world’s leading commercial vehicle manufacturers. TRATON employs more than 103,000 people and operates 33 production and assembly sites worldwide across 12 locations in North America, Europe, Asia and Latin America.