working student English-speaking jobs in Bergisch Gladbach

Critical Software seeks a visionary CTO to lead technology strategy and innovation, driving AI adoption and ensuring a position at the forefront of mission-critical software engineering. The CTO will define and lead the company's global technology vision, strategy, and roadmap, including AI transformation. This role requires 15+ years of technology leadership experience, deep expertise in software engineering, architecture, and multi-domain technology environments, and proven success driving large-scale digital transformation and AI adoption.

The Director of Business Development is responsible for achieving sales objectives in designated geographic markets. This role identifies customer needs, develops solutions, and obtains customer commitment. The position requires 8+ years of sales experience with at least 5+ years in sales management or equivalent.

Leads and develops multi-site operations for European Filtration Materials production, ensuring reliable and efficient production performance. Drives strategic development and operational excellence across the European manufacturing network. Collaborates with global FM Operations, Production, Engineering, and stakeholders to secure sustainable performance and long-term competitiveness.

Enterprise Account Executive responsible for establishing new business in the DACH region. Consultative solution selling, winning new enterprise accounts, and growing existing business to meet revenue targets. Requires 5+ years of experience selling software/SaaS, IaaS, or OT Platform products to enterprise customers. Proven track record of high performance and a hunter sales mentality. Expertise in a sales framework such as MEDDPICC, Challenger, or Sandler.

The Head of Design & Engineering will lead a team of 10-20, ensuring maximum design accuracy and reliability for tanks, silos, and architectural surface systems. Responsibilities include design ownership, technical precision, engineering of various products, efficiency & cost optimization, design for manufacturing, standardization, team leadership, and cross-functional coordination.

Principal Consultant – Underground Operations will diagnose operational challenges, analyze production data, and implement solutions to improve underground mining operations. Requires 15-20 years of experience in underground mining operations, mine engineering, or operational improvement roles.

Account Manager to expand Combient Foundry's footprint in the DACH region. Develop and manage member portfolio, orchestrating venture-client cycles from needs identification to scale. Align stakeholders, connect corporates with startups, and ensure measurable business impact. Requires 3+ years of project/program management experience, strong communication skills, and native-level German fluency.

The Siemens Finance Excellence Program is a 24-month program with three tailored assignments across finance functions. Participants will gain global experience, work on complex projects, and develop expertise in areas such as business planning, performance monitoring, and data analytics.

Manages customer and supplier financing structures to support commercial decisions and risk protection. Designs, negotiates, and oversees financing solutions to enable business growth and enhance commercial performance. Evaluates financing needs, aligns with stakeholders, and ensures compliance with governance standards.

The Administrative Specialist & Executive Support provides high-level administrative, operational, and HR support to the Tübingen management team. This role coordinates calendars, meetings, travel, and office operations, serving as a key liaison between Germany and the US. The successful candidate will manage data, support internal communication, and assist with HR processes.

Lead the end-to-end deployment of Takeda's S/4HANA process model at the Oranienburg site, ensuring readiness, compliance, stable operations, and uninterrupted supply. Manage risks, issues, dependencies, and business continuity. Drive change, communication, and training efforts. Partner with Site Leadership, OpU, GSQ, DD&T, and Global Process Experts. Secure and coordinate SMEs for design, testing, data, and cutover. Ensure master data quality and readiness for validation and migration. Plan and safeguard cutover with strong contingency measures. Maintain manufacturing and quality stability during transition.

Experienced Workday HCM Consultant to lead and support large-scale Workday-enabled HR transformations. Configure and optimize Workday HCM modules, translate business requirements into solution design, and facilitate workshops.

Supports Digital Content Operations managers on DHL.com projects, including content management, deployment, and technical developments. Executes content changes on DHL websites and country sites according to defined processes. Builds and maintains content for all DHL English and language sites. Ensures compliance with global standards and guidelines.

Senior Account Executive will lead growth across EMEA, acquiring new corporate clients in the air, rail, and cruise industries. Responsibilities include developing a sales pipeline, building strategic partnerships, and consulting with potential customers on HRS Crew and Workforce Solutions.

The Director Digital Cement Operations will lead Heidelberg Materials' digital cement strategy, translating operational priorities into scalable solutions and ensuring measurable value creation. The role bridges Digital and the Competence Center Cement, driving the global rollout of digital solutions and overseeing product portfolio decisions.

This apprenticeship program provides on-the-job training in dispatch and logistics services. Successful candidates will gain experience in administrative tasks, process compliance, and develop relevant skills.

Phorms Education is seeking a Physical Education Teacher for their bilingual primary school in Berlin Steglitz-Zehlendorf to plan and deliver competence-oriented sports lessons starting in August 2026.

Lead Tech Strategist (f/m/d) Core Platforms in Energy Retail at E.ON Digital Technology. Develops technological capabilities, advises on technology utilization, and leads IT/Tech organizational transformation. Requires a degree in business informatics or management, experience as Head of IT or Head of Core Systems, and expertise in SAP, Salesforce, Kraken, etc.

Support the Sales team in driving strategic initiatives, optimizing processes, and identifying growth opportunities. Conduct market research, translate business questions into data analyses, and prepare materials for client presentations. Collaborate with internal stakeholders to design and deliver new verticals and expansion opportunities.

Service Technician (m/f/d) for Wind Turbines in Velen. You will carry out on-site servicing and maintenance of wind turbines, repair turbines, and resolve faults. You will analyze error messages, identify causes, and document work digitally.