mechanical design engineer fresher English-speaking jobs in Bielefeld

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.

Students in computer science or related fields are sought to work on research projects in 3D computer graphics and visual computing. Projects include 3D reconstruction, differentiable rendering, and optics simulation.

Global Commodity Manager for indirect materials (PSA, MRO, fluids, gases) in a metal processing company. Develop and implement procurement strategies, manage suppliers, and contribute to cost reduction initiatives.

Medical Monitor provides medical expertise for global clinical trials, ensuring patient safety and protocol adherence. Advises clients, project teams, and regulatory agencies on medical matters. Reviews clinical data, addresses safety issues, and collaborates on clinical development plans and reports.

Data Centre Cabling Engineers & Technicians needed for a 2-3 month project in Frankfurt. Engineers will install, test, and troubleshoot fiber optic and copper cabling. Technicians will assist with cable pulling, routing, and site support.

Supply Officer (m/w/d) manages material flow, coordinates with suppliers, and drives process improvement. Responsibilities include demand communication, order placement and tracking, delay analysis, and recovery planning. Collaborates with procurement, logistics, and production teams. Leads or participates in supply chain improvement projects.

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.

Strategic Buyer (m/f/d) will define and execute procurement strategy, optimize costs and processes, and build relationships with international suppliers. Requires a bachelor's degree, 3-5 years of purchasing experience, strong negotiation skills, and proficiency in Excel.

SAP Consultant required to evaluate and challenge architecture proposals, ensure adherence to SAP Clean Core principles, and design master data processes. Experience with SAP MDM, MM, BP, RE-FX, S/4 HANA, BTP, and Fiori/UI5 is essential.

Chief of Staff Intern supports leadership team in talent outreach, recruiting, tax & legal operations, people operations, and office management.

Conduct mathematical research in applied harmonic analysis, applied functional analysis, inverse problems, or machine learning. Develop software packages and publish research results. Contribute to teaching activities and supervise student assistants.

Senior HR Business Partner to lead HR strategy and operations for the DACH region. Drive workforce planning, organizational design, and talent development initiatives. Support senior leadership and contribute to building the HR function.

Designs, builds, and owns SAIZ's enterprise operating model, including onboarding, value delivery, account maturity, and expansion. Leads strategic accounts, identifies patterns, and translates customer insights into scalable processes and frameworks. Builds systems that scale without losing quality or depth.

The Institute of Management Accounting and Control (IMC) seeks a Research Assistant/Doctoral Student to work on research questions related to digitalization, sustainability, performance management, and CFO roles in corporate transformation. The successful candidate will have a strong interest in these areas, superior analytical skills, and a very good master-level university degree.

Senior Research Engineer to design, build, and deploy LLM-based systems and agentic workflows. Focus on turning prototypes into reliable, scalable, and measurable systems. Strong Python fundamentals and experience with LLMs, NLP, or Generative AI systems required.

Experienced Firewall Maintainer to join the second line ICT GRC team. Define, maintain, and enhance firewall governance controls in line with internal policies, DORA, and BaFin requirements. Conduct second line reviews of firewall configurations and network segmentation to ensure compliance and risk reduction. Challenge and assess the effectiveness of first line firewall controls, including rule review, change management, and logging or monitoring processes.

Senior Sales Trader sought for a leading energy and environmental commodities trading house. Focus on biomethane, renewable gas, and transport related environmental products in the DACH region. Drive commercial growth, originate new business, and manage key client relationships.

Working student supports the optimization of large-scale PV designs, maintains a simulation model, and assesses technical improvements.

Provide expert-level support for payroll processing, compliance, and system functionalities. Respond to customer inquiries via email, callbacks, and live chat, delivering timely, clear, and empathetic support. Collaborate with internal teams to troubleshoot issues and develop solutions.

Leads manufacturing operation team within the instrument manufacturing division, focusing on production KPIs and continuous improvement. Responsible for developing, planning, implementing, and maintaining manufacturing methods, processes, and operations. Manages production teams, ensuring compliance with manufacturing practices guidelines and achieving departmental goals. Prepares documentation, reports, and standard operating procedures. Accountable for key metrics, including revenue, customer satisfaction, and quality goals. Collaborates with quality groups and other departments to ensure safe and streamlined production environments.