freelance English-speaking jobs in Bielefeld

Enterprise Security Architect specializing in Identity and Access Management (IAM) for a large international organization. Develops and enhances group-wide security architecture, analyzes IAM trends, and designs IAM security architectures. Requires extensive IAM experience, including architecture delivery in large organizations and hands-on experience with IAM platforms.

Supply Planner (m/w/d) manages material inventory planning for Satair Services customers. Responsibilities include consolidating demand forecasts, collaborating with cross-functional teams, and supporting on-site campaigns.

Provide support to the Apartment Manager and Hospitality Team in project management and guest experience. Contribute to planning promotional calendars, service awards, and operational support. Collaborate with Retail and Marketing teams for key events.

Lead cross-functional development programs for optical and optomechanical systems, ensuring on-time, on-budget delivery. Define program plans, manage risks, and communicate with stakeholders. Monitor KPIs, prepare reports, and ensure compliance with ZEISS processes.

Executive Search Consultant to build and scale a new Frankfurt office for a boutique firm specializing in private equity-backed businesses. Focus on retained C-suite mandates, managing full lifecycle searches, and developing client relationships. Requires 5-9 years recruitment experience, ideally in private equity, with proven C-level search delivery and strong business development skills. Native or C2-level German and business fluent English are essential.

Experienced Oracle DBA (Level 3) needed for production support of large-scale databases. Manage Oracle 11gR1/R2 RAC environments, including build, administration, troubleshooting, and tuning. Expertise in Exadata, RAC, ASM, Dataguard, and performance tuning required.

Electrical Project Manager needed for a €1bn data center build in Frankfurt. Lead electrical packages, manage subcontractors, and ensure quality, safety, and compliance. Experience in mission-critical environments required.

Leads product roadmaps for a patient app and analytics platform, collaborating with design, engineering, and analytics teams. Prioritizes features, writes user stories, and ensures product development aligns with company strategy. Requires experience in healthcare, strong communication skills, and a willingness to work hard.

Lead the execution of utility-scale Battery Energy Storage projects from development through commissioning. Manage cross-functional teams, subcontractors, and stakeholders to deliver projects safely, on time, and within budget.

Manage the accounting function, including financial statements and acting as the main contact for audits. Supervise bookkeeping and require a strong accounting background, leadership experience, and fluency in German and English.

As Finance Business Partner Germany for BU Specialties, you will act as a senior finance lead and strategic partner to BU leadership and plant management. You will lead financial planning cycles, drive profitability, and increase performance transparency. You will also manage working capital and financial risks, support strategic initiatives, and lead your team.

Project Manager for digital transformation projects focused on SAP Master Data. Experience in SAP Material Master Data, Business Partner, and related processes required. Proven track record of agile project management success.

Experienced Electrical Engineering leader sought for a Berlin-based international company. Lead and develop a team, manage complex projects across all HOAI phases, and contribute to office strategy. Degree in Electrical Engineering, leadership experience, and HOAI knowledge required.

The Cluster of Excellence 'CASA: Securing the Digital Society' seeks several Postdocs (2 years) to conduct research in cybersecurity. Areas of focus include quantum technologies, AI-based disinformation, and ransomware defense. Applicants must have an above-average doctoral degree in a relevant field and fluent English.

Lead and support end-to-end implementations of enterprise software solutions for clients. Act as a trusted advisor, translating business requirements into IT and functional requirements. Coordinate with developers and internal teams to ensure on-time and within-budget delivery.

Wet lab technician to perform routine tasks including cell culture, staining, and sample preparation. Support tissue processing, imaging, and animal work. Execute experiments according to SOPs and document work in ELNs. Bachelor's or Master's degree in biology, biotechnology, or related field required. Experience with FACS and animal handling is a plus.

Launch lead responsible for opening and stabilizing the first flagship quick service restaurant in Germany. Coordinate all workstreams from market analysis and site selection to people, supply chain, and tech setup. Extensive operational experience in Germany within QSR, fast casual, or multi-site restaurant/retail concepts required. Native-level German and fluent English. Proven track record launching or scaling sites/projects.

Working Student Credit Operations supports daily credit reportings, participates in committees, and contributes to internal reports and presentations.

Section Editor for "Current Genomics" journal. Develop and organize a special issue proposal, collaborate with co-editors, and invite contributors. Requires a Ph.D., Scopus ID, prior experience guest-editing thematic issues, and strong research networks.

Employee Relations Lead will oversee employee relations across Germany, Austria, Switzerland, and Belgium. Lead and develop a team of Employee Relations Case Managers, manage complex cases, and ensure compliance with labor laws.