green English-speaking jobs in Siegen

Field Service Technician/Automation Specialist to maintain, troubleshoot, and commission automation equipment. Responsibilities include customer support, training, and documentation in German and English. Requires PLC programming experience (Siemens, Fanuc, Heidenhain) and a technical background. Frequent travel throughout Germany is expected.

Project Manager needed for multiple Telecoms/Data Centre projects in Germany. Will liaise with stakeholders, support project planning, and travel to various sites. Requires transferable electrical engineering qualifications and industry experience. Fluent English and German are essential.

Senior Project Manager to lead large-scale data center projects, overseeing program performance, client interface, and multidisciplinary teams. Proven experience delivering data center projects in Europe, UK, or Ireland required.

Define quality requirements for electrical equipment, support supplier selection, and ensure safety compliance for the Gennaker offshore wind farm project. Lead quality assurance activities, manage non-conformities, and drive HSEQ strategy and compliance.

Develop and implement IT cost management strategies for clients. Contribute strategic insights to procurement of hardware, software, and managed services. Manage external and internal stakeholders, including C-level contacts.

Office Manager to support operations in Berlin. Responsibilities include administrative support, communication, executive support, financial processes, and additional operational tasks. Requires a Bachelor's degree, 3+ years of experience, fluency in English and Greek, and strong organizational and communication skills.

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.

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.

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.

Head of Investor Relations will manage the LuxExperience investor network, prepare earnings calls and presentations, and communicate with analysts and investors. Requires 3-7 years of investor relations experience, strong communication and analytical skills, and experience with US or UK listed companies.

The Max Planck Institute for Political and Social Science seeks a Postdoctoral Fellow to conduct research on the coexistence of violent orders and democracy. The project examines the relationship between political and economic institutions, political violence, and its consequences for political outcomes.

The German Institute of Human Nutrition Potsdam-Rehbruecke seeks a Molecular Biologist to investigate how obesity and type 2 diabetes remodel the epigenome. The successful candidate will analyze miRNA expression profiles, perform functional manipulation of miRNAs, and identify miRNA target genes.

Junior Foreign Exchange Trader will execute spot and forward trades, manage currency positions, monitor risk limits, analyze market trends, and assist senior traders.

Lighting & Special Effects Technician to support the Lighting & Special Effects team. Responsibilities include running follow spot/deck cue tracks, maintaining cue track documentation, inspecting and maintaining Lighting & Special Effects equipment, and supporting show needs during rehearsals and performances.

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.

PR Account Executive to execute impactful communications strategies for global tech brands. 1-2 years of agency experience required. Strong media relations, content creation, and client communication skills needed. Fluency in German and English essential.

Site Reliability Engineer to implement and improve Just-In-Time (JIT) access solutions. Collaborate with the Cloud Control team to integrate security policies into infrastructure provisioning. Automate authorization flows for regulatory compliance.

Product Manager needed to define and execute product direction for a hospitality SaaS platform. Own product problem spaces, define KPIs, and collaborate with cross-functional teams. Fluent German and English required.

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.

Lead commercial legal strategy for a VC-backed technology company. Draft, negotiate, and execute commercial agreements, including customer, supplier, SaaS, and strategic partnerships. Advise leadership on legal risk, deal structure, and commercial decision-making.