hr English-speaking jobs in Legionowo

Opera seeks a Principal AI Security Researcher to lead research on agentic AI systems, identify attack vectors, and establish Opera as a leader in AI security. This role involves defining the research agenda, publishing findings, and collaborating with engineering and product teams.

The Product and Customer Value Manager (PCVM) is responsible for the performance of assigned products, meeting financial and non-financial targets, and managing key customer relationships. This role develops and executes account management plans, monitors market trends, and collaborates with cross-functional teams to drive brand strategy and sales growth. The PCVM requires 5 years of sales experience, strong relationship-building skills, and fluency in Polish and English.

Evaluates quality management systems, ensures ISO 9001 compliance, identifies improvement opportunities, and supports global quality process harmonization. Provides strategic and administrative support to the Global Vice President Quality.

Provide IT support to employees, design automated support systems, and integrate IT stacks from acquired companies. Manage hardware and software onboarding/offboarding, and provide technical support for live events.

Process Engineer to ensure stable, high-performance production processes in the Body Shop. Responsibilities include leading problem-solving activities, supporting system installation, and developing process standards. Requires a degree in a relevant engineering field and experience in automotive manufacturing, specifically Body Shop/BIW processes.

Customer Success Partner will collaborate with Account Managers to drive business growth and customer retention. Responsibilities include account management, compliance discussions, upselling Maersk products, tender handling, and stakeholder management. Requires excellent communication, negotiation, and stakeholder management skills, fluency in German and English, and a minimum of 5 years of experience in a commercial or operational role.

Experienced Scala Dev Team Lead to design, develop, and maintain scalable backend services for a location-based mobile game. Lead a team, collaborate with designers and product owners, and drive technical decisions. Strong Scala 3, REST APIs, Kubernetes, and Kafka experience required.

Lead Buyer for steam blade components, managing end-to-end procurement activities with internal and external suppliers. Drive supplier performance, support sourcing strategies, and ensure quality, cost, and delivery objectives are met. Collaborate with stakeholders, resolve supply issues, and contribute to cost-out and continuous improvement initiatives.

Lead .NET Engineer to drive the technical strategy and execution of the Engineering Platform team. Responsibilities include leading the development of platform services, defining architectural patterns, and mentoring engineers. Requires 7+ years of software development experience with C# and .NET, deep experience with Microsoft Azure, and proven ability to lead technical projects.

The Director, Customer Care leads and develops customer care operations in Poland and Central & Eastern Europe, ensuring service excellence and strong customer relationships. This role oversees end-to-end service operations, collaborates with sales teams, and drives continuous improvement initiatives.

Corporate Accounting Assistant needed to ensure the integrity of P&L and Balance Sheet for BGC/Cantor European, Asian, and international entities. Responsibilities include account reconciliation, financial reporting, and supporting the Legal Entity Controller. Strong financial accounting experience, relationship building, and analytical skills required.

Support development of a next-generation payment processing platform using .NET. Implement backend features, collaborate in agile teams, and learn best practices.

Information Security Support Engineer to execute identity remediation initiatives, eliminate orphaned accounts, and support SailPoint application onboarding. Requires 3+ years of experience in IAM, IGA solutions, and privileged access management.

Execute paid search strategies, optimize campaigns, and manage budgets to meet business goals. Analyze performance data, identify trends, and report on campaign results.

GMV's FSR-GNC department seeks a GNC engineer to develop GNC system components for ESA and commercial clients. The role involves requirements definition, software development, testing, and verification of GNC systems for rockets and satellites.

Leads the integration, launch, and ongoing support of procurement functionalities within the Nuvolo platform, a ServiceNow-based solution. Manages project activities, develops project plans, and collaborates with stakeholders to ensure successful implementation. Oversees platform launch across business units, including regional configuration, testing, and deployment. Provides ongoing platform support, including issue resolution and process optimization recommendations.

Commissioning Engineer to perform start-up activities for port and terminal equipment and systems. Execute tests, diagnose issues, and optimize performance. Requires a degree in a related field, 4+ years of experience, and fluency in Polish. Extensive international travel is required.

Project Manager to lead all aspects of construction projects from tender stage to completion. Responsibilities include budget control, commercial management, progress monitoring, risk management, and stakeholder liaison. Requires 5+ years of experience in construction project management, specifically within M&E sectors.

Leads end-to-end Supply Planning transformation projects, defining and implementing global inventory strategies and standards. Develops and embeds global processes, tools, and governance frameworks to drive consistency and performance across regions. Acts as a change leader and internal consultant, supporting regional teams and ensuring alignment with global strategy.

The Director of Planning Orchestration leads the execution of planning services for HAVI Supply Chain customers across Europe. This role oversees Control Tower planning resources in Krakow, Poland, ensuring high-quality planning outputs and effective cost management. The Director partners with stakeholders to drive process improvements, service adoption, and business growth.