Internship English-speaking jobs in Aachen

As a Quant & Engineering Intern, you will develop quantitative analyses, models, and prototypes to solve real trading problems for clients in the LNG and crude oil markets. You will use AI tools, Python, and our optimization software to build solutions and interact directly with traders.

PhD Position in Microbiome Systems Biology at the Friedrich Schiller University Jena. The project focuses on integrating shotgun metagenomics data with genome-scale metabolic modeling using machine learning to enhance engineered probiotic colonization in the human gut.

Part-time Kitchen Assistant needed to handle ingredient distribution, assist with dishwashing, manage garbage disposal, and maintain kitchen and front-of-house cleanliness. Must have strong communication skills, physical stamina, and a collaborative spirit.

Phagestack, a biotech startup, seeks a BTA, CTA, or Biologielaborant:in to perform microbiology and molecular biology lab work. Responsibilities include bacterial cultivation, phage isolation, and applying molecular biology techniques. Must have hands-on experience in sterile lab environments and a structured work style. Fluent in German or English required.

As a Senior Customer Success Manager, you will support and advise customers on the application and integration of Skribble, ensuring successful rollout and maximizing value. You will also navigate business process changes, negotiate renewals, and identify expansion opportunities.

Advises on safety and occupational health measures, prepares safety instructions, and conducts inspections to ensure compliance with OSHA standards. Implements safety programs, investigates accidents, and provides safety training to supervisors and employees. Serves as the facilities' technical expert on safety and environmental issues, including infrastructure and equipment modernization projects. Requires certification as a safety professional in accordance with paragraph 7 of the Arbeitssicherheitsgesetz (AsiG).

Trade Marketing & Commercial Support professional will analyze market trends, develop trade marketing plans, and manage budgets. The role requires experience in FMCG, project management, and strong communication skills. Fluency in German and English is essential.

The Cluster of Excellence 'CASA: Securing the Digital Society' seeks several PhD candidates (3 years) to address cybersecurity challenges posed by disruptive technologies. Applicants must have an above-average Master's degree in computer science, electrical engineering, mathematics, psychology, or a related field, fluent English, and basic knowledge of relevant research areas.

Office Manager (Minijob) will schedule appointments, manage mail and travel, handle order management and accounting, and provide customer reception and event support. Requires commercial training, 1+ year of administrative experience, proficiency in office software, and fluency in German and English.

The Leibniz Institute for Plasma Science and Technology seeks a Project Engineer to implement and construct a test facility for low-emission hydrogen production. Responsibilities include construction supervision, project management, and participation in the planning and implementation of a plasma-assisted methane decomposition test facility.

Manages the full recruitment process, identifies and approaches candidates, develops sourcing strategies, and builds relationships with stakeholders.

English-speaking Early Childhood Educators are needed for a new Fröbel Kindergarten opening in Berlin-Spandau in July 2026. Responsibilities include supporting all aspects of early childhood education and care in English, planning and implementing pedagogical processes, and collaborating with parents. Applicants must have native-level English, at least B2 German, and a recognized early childhood professional qualification in Berlin.

Leads the analysis and integration of transcriptomic and multi-omics data, including RNA-seq and spatial transcriptomics, to support biomarker discovery and patient stratification. Develops and implements computational pipelines for processing and analysis of high-throughput sequencing data. Collaborates with cross-functional teams to interpret data and inform experimental design.

Support budget planning, management, and auditing. Create and optimize reports, work on procurement processes, and control data quality.

The Wholesale Credit Manager manages and safeguards the global wholesale financing portfolio for WIRTGEN GROUP dealers. This role ensures dealer financing adheres to credit standards, supports dealer operations, and mitigates credit risk.

Junior Operations Securities Manager will own daily reconciliation, settlement, and security transaction processes. Support analysis of corporate action events, communicate with external partners, and assist in developing scalable processes. Requires experience in securities services, brokerage, or asset management and fluency in German and English.

Designs, coordinates, and improves extracurricular learning activities at a coding education institution. Manages programs like soft skill training, technical workshops, and community initiatives. Communicates with students, alumni, and partners to ensure program clarity and engagement.

Assemble food boxes according to specifications, collaborate on production replenishment, and adhere to safety standards. Good German or English language skills and understanding of food regulations required.

Live Shopping Host for The Wessex Mint on WhatNot, engaging a global audience of silver, gold, and collectible buyers. Host daily live shows, educate customers, and drive sales. Fluent English and German required.

Tax Consultant resolves tax issues, ensures local compliance, and advises on tax-efficient business models. Requires a Bachelor's degree in Accounting, Taxation, or a related field and several years of professional tax experience. Automotive trading industry experience is a plus.