system administrator English-speaking jobs in Siegen

This joint appointment at Osnabrück University and the German Institute for Global and Area Studies (GIGA) seeks a candidate to contribute to quantitative research in International Relations and/or Comparative Politics. The successful candidate will teach in English-language master's programs and participate in research activities at GIGA. Applicants must demonstrate expertise in advanced quantitative methods and have a research focus on at least one region of the Global South.

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

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.

Develop, optimize, and industrialize manufacturing processes for high-performance composite components. Transfer prototypes into stable pre-series and series production. Collaborate with R&D, quality, and production teams.

Provides administrative support to ESO Astronomy Faculty, Students, Fellows, and Visiting Scientists. Organizes colloquia, seminars, and talk series. Assists with travel and accommodation arrangements and supports the Science Visitor Programme. Contributes to the planning and execution of events for Fellows, Students, and Visitors. Prepares budget reports, compiles statistics, and maintains databases.

Partner Success Manager responsible for onboarding, training, and supporting partners in Germany. Builds and maintains relationships, monitors deal flow, and analyzes market trends. Requires experience in Partner Success, Customer Success, or software sales, fluency in German, and knowledge of ERP systems.

Account Manager for a German software company specializing in logistics solutions. Develop and implement sales strategies for national accounts in the Transportation & Logistics industry. Build and manage relationships with clients, identify upsell and cross-sell opportunities, and drive account expansion.

Privatal seeks a Group CFO for a mid-market private equity fund in the healthcare service sector. The CFO will partner with the CEO to drive a business transformation and build a best-in-class finance function.

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.

Provide customer service to English and French-speaking independent sales consultants via phone, email, and chat. Support consultants in developing their businesses by offering guidance and information. Track and document inquiries and issues.

Manage and develop a hardware test laboratory team, establishing infrastructure and system-level testing capabilities. Define, introduce, and maintain test strategies, methods, and concepts. Plan, coordinate, and execute hardware and system-level tests, including software. Evaluate, document, and release test results. Ensure compliance with internal processes, quality standards, and applicable norms. Act as the central interface between the test lab and various teams and stakeholders.

PhD position in machine learning and computer simulations for materials and process design. Develop novel machine learning models to enhance or replace computational engineering methods.

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.

Leads global corporate strategy projects, defining and implementing company strategy. Drives strategic planning, identifies growth opportunities, and analyzes market trends. Collaborates with senior leadership and stakeholders to execute strategic initiatives. Requires a master's degree, MBA, or equivalent, and over four years of experience in strategy consulting or corporate strategy.

Junior Sales Manager (m/f/d) needed to manage sales of Petrochemical products in the B2B market. Responsibilities include contract negotiations, customer relationship management, and sales strategy development. Requires a degree in business/economics, chemistry, or a related field, plus one year of sales experience. Excellent communication and teamwork skills are essential.

Lead development efforts for the AUGENTIC software platform "Qomitto". Balance strategic leadership with technical oversight, managing a team of 20 developers. Design and optimize the full software development life cycle, ensuring platform stability and quality. Drive the ScrumBan model, manage release cycles, and oversee code development and testing.

As Personal Assistant to the CEO, you will manage the CEO office, coordinate calendar and inbox management, and handle travel arrangements. You will also organize meetings, conferences, and events, and act as a central point of contact for internal and external inquiries.

The Professional Marketing Lead will define, develop, and deploy scientific and professional marketing content for Central Europe. The role connects global professional strategy with local market activations and supports priority launches and initiatives.

Designs, maintains, and evolves ML model benchmarking and validation infrastructure. Validates compiled models across diverse hardware platforms. Collaborates with engineers to diagnose and resolve failures. Builds scalable test pipelines and contributes to test cases and tooling.

Student Assistant to support digital communications team in developing engaging content, campaigns, and strategies. Assist with content creation, campaign execution, website management, and performance tracking. Requires experience in digital communications, content writing, SEO, and proficiency in Canva, Adobe Creative Suite, and CMS platforms.