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Jobs by e-mail

    Reference number: 881230/1

    2nd Level IT Supporter (m/f/d)

    Freelance/temporary employment for a project
    Lichtenstein / Eastern Switzerland
    • Identify, evaluate and prioritize user problems and complaints; create and assign problem tickets using ticketing system (Service-Now)
    • Analyze customer problems and formulate plans of resolution, utilize all technical resources to solve user problems 
    • Perform routine software and/or hardware installations, updates, and upgrades following established documented policies and procedures
    • Test and pilot new IT technology 
    • Use knowledgebase, technical library, and on-line references to research, identify, and apply solutions to systems problems
    • Basic project management for IT topic
    • Process PC requests on the IT Service-Catalogue 
    • Interface with Third Level Support team and vendors when the problem requires escalation
    • Find improvements in current first level support processes
    • Perform root cause analysis to minimize problems in the future
    Online since: Thu Jun 18 11:42:35 CEST 2026
    Reference number: 881836/1

    System Engineer / System Architect – Onboard Charger (OBC) (m/f/d)

    Permanent employment with our customer
    Kassel
    • Develop and maintain system and hardware architecture for onboard chargers (OBC)
    • Translate system requirements into technical concepts and designs
    • Define system functions, interfaces, and operating states
    • Select technologies, topologies, and components
    • Consider EMC, thermal, and high-voltage constraints
    • Create architecture models and technical documentation
    • Collaborate closely with software, hardware, and test teams
    • Support FMEA, safety analyses, and system integration
    Online since: Thu Jun 18 10:44:03 CEST 2026
    Reference number: 881810/1

    Requirements Engineer - Onboard-Charger (OBC) (m/f/d)

    Permanent employment with our customer
    Kassel
    • Elicit and analyze customer and stakeholder requirements for onboard chargers (OBC)
    • Derive, specify, and maintain system, hardware, and software requirements
    • Manage requirements in industry-standard tools (e.g., DOORS, Polarion, Codebeamer)
    • Ensure traceability across requirements, architecture, and testing
    • Create and maintain system requirement specifications (SRS)
    • Support system architecture and interface definition
    • Develop use cases and system scenarios
    • Contribute to ASPICE-compliant documentation, audits, and assessments
    Online since: Thu Jun 18 10:41:23 CEST 2026
    Reference number: 881860/1

    System Test & Validation Engineer – Onboard Charger (OBC) (m/f/d)

    Permanent employment with our customer
    Kassel
    • Plan, execute, and document system tests for onboard chargers (OBC)
    • Develop automated verification and validation test procedures
    • Analyze test results and perform root cause analysis
    • Define test strategies, concepts, and specifications
    • Set up and manage test infrastructure (e.g., HIL, DIL)
    • Collaborate with development, quality, and production teams
    • Support EMC, environmental, and lifetime testing
    Online since: Thu Jun 18 10:10:51 CEST 2026
    Reference number: 879045/1

    MES Support Engineer (m/f/d)

    Employment with Hays Professional Solutions GmbH
    Grünheide
    • Ability to facilitate delivery of Tesla’s manufacturing software systems by resolving day to day issues. 
    • Understand and improve the end-to-end workflow of Factory Software applications like manufacturing execution and material flow management systems and the other integrating systems. 
    • Quickly troubleshoot technical problems, document the root cause and the solution.
    • Build Software Applications/Tools to address the issues that require immediate solution if a permanent fix is not possible in existing Factory Software applications
    • Document troubleshooting guides to empower your teammates and systems users.
    • Work directly with software developers to understand user issues and long-term directions, propose, and provide solutions for recurring problems.
    • Setup automation and monitoring systems to optimize utilization of Factory Software.
    • Respond to and handle business process change requests that require coordination between cross-functional teams. 
    • Be nimble and react quickly to changing business conditions.
    Online since: Tue Jun 16 15:25:33 CEST 2026
    Reference number: 881103/1

    IT/OT Solution Architect/Business Analyst (m/f/d)

    Freelance/Contracting project
    Essen
    • Gather/structure/document requirements across OT, IT and business
    • Collaborate with OT engineers, IT teams, cybersecurity and business units
    • Develop process models, user stories and functional specifications
    • Define how data flows from operational systems into IT and cloud environments (end-to-end IT/OT data flow)
    • Translate requirements into target architectures connecting SCADA, edge, historian and cloud
    • Define secure OT-to-IT & cloud connectivity models, including landing zones and hybrid setups
    • Create/communicate as-is & target architecture diagrams (e.g. ArchiMate, draw.io, Lucidchart, PowerPoint, Visio)
    • Establish reusable diagram templates and visualization standards
    • Contribute to technology overview and evolution
    Online since: Mon Jun 15 12:46:59 CEST 2026
    Reference number: 881352/1

    Data Engineer SQL (m/f/d)

    Employment with Hays Professional Solutions GmbH
    Greater Wuppertal Area
    • Support the validation of data models within SAP Datasphere during migration from Microsoft SQL Server environments
    • Compare output data (e.g., tables and results) between different systems to ensure accuracy and consistency
    • Analyze business processes and data flows, identifying and documenting discrepancies between systems
    • Monitor system processes (e.g., data load performance, runtimes) and detect potential issues
    • Document data models and processes in collaboration with development teams
    • Contribute to continuous improvement of data integration and transformation processes
    Online since: Mon Jun 15 11:48:56 CEST 2026
    Reference number: 880885/1

    Senior Payroll Specialist (m/f/d)

    Permanent employment with our customer
    Denmark
    As Senior Payroll Specialist, you will take full ownership of Danish payroll while working closely with Finance, HR, and international colleagues.

    You will join a close-knit and collaborative finance team of 8 people, reporting to the Manager Financial Control Nordics, and work closely with stakeholders across Denmark, Norway, and Poland.

    You will be responsible for:
    • End-to-end payroll for approx. 400 employees (blue (warehouse workers) - and white-collar)
    • Ensuring timely, accurate, and compliant payroll delivery
    • Maintaining employee data, contracts, pensions, and payroll adjustments
    • Reporting to authorities (e-Indkomst, ATP, etc.) and supporting audits
    • Handling payroll queries from employees and stakeholders
    • Payroll accounting, reconciliations, and SOX-related documentation
    • Driving process improvements and support standardization across the region

    Systems & tools:
    • LessorLøn (Payroll system)
    • Workday (HR-system)
    • Time & attendance systems and finance integrations
    Online since: Sun Jun 14 09:10:47 CEST 2026
    Reference number: 880596/1

    After-Market Quality Test Engineer (m/f/d)

    Employment with Hays Professional Solutions GmbH
    Raunheim
    • Own the end-to-end investigation of after-market quality issues across different brand vehicles utilizing the JIRA issue management system and providing regular status reporting to key stakeholders
    • Lead the investigation of software and hardware-related quality concerns raised by Aftersales teams, translating customer complaints and vehicle symptoms into structured test plans, clear problem definitions, and actionable technical findings for R&D teams
    • Serve as the primary technical interface between Aftersales, vehicle plant quality teams, suppliers, and engineering organizations, ensuring efficient communication and timely issue resolution
    • Perform root-cause analysis through independent evaluation of vehicle data, logs, warranty returns, and test results, collaborating with global teams and suppliers when required
    • Manage assigned quality issues through the early stages of the 8D process (D0–D3), proactively tracking progress, reporting status, and escalating risks or blockers when necessary
    • Analyze failed warranty parts to validate failure modes, identify root causes, and support corrective actions
    • Coordinate logistics and handling of incoming warranty parts to ensure efficient analysis, processing, and disposition
    • Contribute to continuous improvement by developing technical knowledge databases, enhancing investigation methodologies, and identifying opportunities for product and process improvements
    • Deliver performance in line with agreed KPIs and quality objectives
    Online since: Fri Jun 12 11:27:50 CEST 2026
    Reference number: 880754/1

    System Validation UWB Expert (m/f/d)

    Freelance/Contracting project
    Graz
    • Work in the laboratory
    • Projects are not in characterization, but on the functional side
    • No unit/component tests, purely system-level
    • No characterization
    • Focus on used cases, build and execute tests
    • Still a lot of conceptual work required (adjustments and optimizations of the setup during operation)
    • C programming
    • Understanding of firmware and make small adjustments; write test cases in C
    • Create and execute system-level test cases
    • Specify, implement, execute tests; create test reports; debug failures (to determine whether the issue is with the product or the test case)
    • Full automation of the test setup in Python
    Online since: Wed Jun 10 15:35:00 CEST 2026

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    Reference number: 880523/1

    Mechanical Engineer (m/f/d)

    Employment with Hays Professional Solutions GmbH
    Erlangen
    • Contribute to the execution of power plant projects within the mechanical engineering team, including decarbonized and hybrid solutions, with responsibility for mechanical subsystems such as cranes, lifting equipment, and elevators
    • Analyze customer contracts and technical requirements, prepare specifications and tender documents, and ensure proper implementation throughout the project lifecycle
    • Coordinate interfaces with other disciplines (e.g. steel structures, layout, electrical), align contractor activities with project and site requirements, and support overall project integration
    • Monitor and control contractors in terms of schedules, costs, and quality, including reviewing engineering, manufacturing, and quality documentation as well as participating in design reviews
    • Manage technical issues, perform troubleshooting, and support claim management and negotiations with suppliers and contractors
    • Support supplier qualification and development while ensuring proper reporting of engineering progress, deadlines, quality, and costs within the mechanical scope
    Online since: Tue Jun 09 15:46:12 CEST 2026
    Reference number: 880366/1

    Project Manager SAP S/4 Transformation (m/f/d)

    Employment with Hays Professional Solutions GmbH
    Hilden
    • Act as a dedicated resource for the program management, providing immediate support in urgent and critical situations
    • Assist in resolving complex challenges that arise during the S/4HANA transformation
    • Collaborate with cross-functional teams, including IT, business units, and stakeholders, to develop effective solutions and mitigate risks
    • Proactively identify and address program issues and risks, working closely with project managers and stakeholders.
    • Facilitate problem-solving sessions and provide guidance to teams in resolving complex issues
    • Monitor the progress of issue resolution, track actions, and escalate to ensure timely resolution
    • Support program management in coordinating activities across various projects and workstreams within transformation program
    • Ensure alignment of project plans, schedules, and dependencies to maintain program integration and successful delivery
    • Facilitate effective communication and collaboration among project teams, ensuring transparency
    • Prepare and deliver regular reports to the program management, highlighting critical issues, status updates, and recommended actions
    Online since: Tue Jun 09 09:10:35 CEST 2026
    Reference number: 870523/1

    MuleSoft Developer (m/f/d)

    Freelance/Contracting project
    Remote
    • Development and maintenance of integrations and APIs using MuleSoft
    • Design and implementation of RESTful APIs
    • Develop and implement event-driven architectures
    • Build and secure APIs (e.g., using JWT authentication)
    • Write and maintain automated tests (especially with mUnit)
    • Contribute to and optimize CI/CD pipelines (GitHub workflows, pull requests, branching strategies)
    • Optimize performance, scalability and reliability of integration solutions
    • Evaluate and introduce new integration technologies 
    • Support error analysis, debugging, and troubleshooting
    Online since: Mon Jun 08 16:54:21 CEST 2026
    Reference number: 878648/1

    Digital Media and Campaign Manager Benelux (m/f/d)

    Freelance/Contracting project
    Remote
    • Manage commercial campaign activities, including briefing creation, information exchange, and project tracking
    • Prepare meeting summaries and ensure clear tracking of ownership and next steps
    • Ensure strong governance across markets and the Benelux cluster, proactively identifying risks (e.g. missed deadlines, off-brief deliverables) and managing or escalating issues accordingly
    • Track and manage production plans, including: Identifying missing information, aligning specifications with the local media agency and monitoring timely material delivery
    • Create campaign planning overviews and support ad hoc media analyses 
    • Support the development of standardized market media updates, including: Post-campaign analyses, competitive reporting and additional performance insights
    Online since: Mon Jun 08 15:47:12 CEST 2026
    Reference number: 878263/1

    Senior Transaction Manager Loans (m/f/d)

    Permanent employment with our customer
    Frankfurt am Main
    • Identify and collate all information required to on-board a new debt facility and review and negotiate the Finance Documents (Facilities Agreement, Intercreditor Agreement, Security Documents, etc. in close coordination with internal and external legal teams
    • Work in close cooperation with all deal participants including legal counsels, compliance, sponsors, borrowers, lenders and debt advisers
    • Handle amendments, additional facilities, ancillary facilities and other post-closing activities
    • Managing secondary debt trades / lender transfers, and ad-hoc request
    • Managing additional utilisations, roll-overs and prepayment requests
    • Managing waiver and consents requests and loan amendments and arranging for Lender voting
    • Monitoring Loan covenants and Margin rachets
    • Ensuring timely updating of internal systems and processes
    Online since: Mon Jun 08 15:24:41 CEST 2026
    Reference number: 880230/1

    Senior Python Backend Engineer (m/f/d)

    Freelance/Contracting project
    Vienna
    • Develop and maintain backend web services for an AI-powered conversational system
    • Design and implement REST APIs (FastAPI or similar), including OpenAPI-based service contracts
    • Apply schema and data validation (e.g., Pydantic or comparable approaches)
    • Ensure high code quality through testing (pytest) and CI pipelines
    • Collaborate via Git/GitHub workflows, including code reviews
    • Implement and maintain clean, layered backend architectures with dependency injection
    • Ensure observability through metrics, tracing, and structured logging
    • Support containerized deployments using Docker and Kubernetes
    • Contribute to LLM-based application components (e.g., agent frameworks, prompt engineering, output evaluation)
    • Apply production-ready engineering practices in a regulated/enterprise environment
    Online since: Mon Jun 08 12:01:57 CEST 2026
    Reference number: 880114/1

    Java Architect for GIS project (m/f/d)

    Freelance/Contracting project
    Vienna
    • Assess and challenge the existing microservices architecture (service boundaries, APIs, data ownership)
    • Identify architectural risks, bottlenecks, and anti-patterns and define improvement measures
    • Review and optimize Java-based APIs with a focus on scalability, resilience, and quality
    • Evaluate event-driven data flows and system integrations (latency, idempotency, reliability)
    • Support and validate the decoupling of legacy Oracle/JDBC dependencies
    • Create, refine, and maintain architecture documentation (e.g., Arc42, DACI)
    • Act as a technical authority and sparring partner for architects and engineering teams
    • Conduct code and solution reviews and provide clear technical guidance
    • Advise developers and enforce best practices and quality standards
    Online since: Fri Jun 05 15:42:23 CEST 2026
    Reference number: 880011/1

    Senior Techn. Cutover Manager | S/4HANA Big Bang (m/f/d)

    Freelance/Contracting project
    Berlin
    • Building a robust and scalable cutover strategy
    • Developing a sustainable cutover governance framework
    • Creating, aligning, and quality-assuring integrated cutover plans
    • Acting as a sparring partner to the Technical Cutover Lead
    • Reviewing and challenging existing planning approaches critically and constructively
    • Ensuring high transparency regarding dependencies, risks, and critical paths
    • Supporting a successful Big Bang go-live preparation and execution
    Online since: Fri Jun 05 15:41:20 CEST 2026
    Reference number:
    Hays internal

    Reward Analyst (m/f/d)

    Internal career at Hays
    Düsseldorf, Frankfurt/M., Mannheim, Stuttgart
    Online since: Wed Jun 03 14:33:10 CEST 2026
    Reference number: 878692/1

    Fullstack Software Developer (m/f/d)

    Employment with Hays Professional Solutions GmbH
    Poing
    • Software Control: You develop software for controlling the digital printing unit—from innovative, web-based user interfaces to control functions such as job, color, and media management, as well as smart connectivity for integration into customer environments
    • Project Responsibility: You take ownership of the conception, planning, implementation, and documentation of innovative software solutions
    • Teamwork: You are part of an international project team
    • Interdisciplinary Collaboration: You work closely with departments such as UX design, engine projects, quality assurance, and service
    Online since: Mon Jun 01 16:03:45 CEST 2026
    1 2 3 4 5 … 234

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