Windows Engineer

🏢 Summary: Senior Windows Systems Engineer role focused on designing, deploying, and optimizing Virtual Desktop Infrastructure (VDI) in a large-scale enterprise environment. The position involves managing Windows 11 virtual desktops, automating infrastructure with PowerShell, and supporting Citrix and RDS platforms for global users. Hybrid work model based in Warsaw. 🗂️ Requirements: 7+ years experience with Windows OS and VDI (Citrix, RDS), Expert knowledge of Windows OS internals, Strong Group Policy management experience, Hands-on experience with VMware ESX and RedHat OpenShift, Strong PowerShell scripting skills, Experience supporting large-scale enterprise environments, Fluent Polish and English, Legal right to work in the EU 📃 Skills: Windows, VDI, Citrix, RDS, Windows11, PowerShell, VMware, ESX, OpenShift, GroupPolicy, WindowsServer, Virtualization 🏢 Description: Empower Virtual Desktop Innovation — Shape the Future of Windows Environments! Warszawa-based opportunity with hybrid work model. As a Senior Windows Systems Engineer – Virtual Desktop Infrastructure , you will be working for our client, a leader in enterprise IT solutions, committed to delivering seamless digital workplaces. You will play a critical role in supporting and developing virtual desktop and Windows environments for thousands of users worldwide, driving innovation and operational excellence in a dynamic, global setting. Your main responsibilities: Deploy, support, and optimize VDI solutions such as Citrix and RDS to ensure reliable and secure desktop experiences. Manage Windows 11 virtual applications and desktops across large-scale enterprise environments. Perform routine upgrades, maintenance, and handle complex escalations to maintain system stability. Automate infrastructure tasks using PowerShell scripting to improve efficiency. Develop sustainable infrastructure solutions supporting a global environment of over 80,000 machines. Collaborate with cross-functional teams to implement innovative desktop infrastructure enhancements. Support and contribute to the deployment of enterprise-level Windows and virtualization technologies. Maintain detailed documentation of system configurations and procedures. You're ideal for this role if you have: 7+ years of systems engineering experience with Windows OS and VDI (Citrix, RDS). Deep knowledge of Windows OS internals and Group Policy management. Hands-on experience with virtualization platforms such as VMware ESX and RedHat OpenShift. Strong PowerShell scripting skills for automation. Proven support experience in large-scale enterprise environments. Excellent communication skills in English, both verbal and written. It is a strong plus if you have: Experience with Windows Server 2016+ and server platform management. Prior work within the financial services sector. Knowledge of on-premises infrastructure engineering and management. Relevant certifications such as Microsoft Certified: Windows Server or VMware Certified Professional. Language Required for the role: Fluent in Polish and English, with strong command of both languages. Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: Senior specialist role focused on migrating virtual infrastructure from VMware to Hyper-V in a banking environment. The position involves planning and executing migrations, administering Hyper-V and Citrix VDI environments, and ensuring service continuity. The role also includes automation, troubleshooting, and collaboration on infrastructure integrations. 🗂️ Requirements: 5+ years experience with virtualization technologies, Strong knowledge of VMware vSphere (ESXi, vCenter), Practical experience with Microsoft Hyper-V, Experience with Windows Server, Experience with Citrix Virtual Apps and Desktops (VDI), Knowledge of networking concepts (VLANs, routing, virtual switches), Experience with automation tools, Ability to troubleshoot complex infrastructure issues, German language proficiency, English language proficiency 📃 Skills: VMware, vSphere, ESXi, vCenter, Hyper-V, Windows, Citrix, VDI, VLAN, Routing, PowerShell, PowerCLI, SAN, Backup, Cloud 🏢 Description: For our international client from the banking industry, we are looking for a senior specialist responsible for migrating virtual infrastructure from VMware to a Hyper-V environment. Requirements: Minimum 5+ years of experience with virtualization technologies including VMware and Hyper-V, or similar solutions Strong knowledge of VMware vSphere (ESXi, vCenter) Practical experience with Microsoft Hyper-V and Windows Server Very good knowledge of Citrix Virtual Apps / Desktops (VDI) Excellent troubleshooting skills Ability to diagnose, analyze, and resolve complex technical issues Knowledge of networking concepts (VLANs, routing, virtual switches) Experience with automation tools (e.g. PowerShell, PowerCLI) Communicative level of German and English Nice to have: Knowledge of storage technologies (SAN) Understanding of backup solutions Experience with Windows systems integration Understanding of cloud platforms and architectures Responsibilities: Planning and executing migrations of virtual environments from VMware to Hyper-V Analyzing existing infrastructure and recommending optimal migration solutions Configuration, implementation, and maintenance of Hyper-V environments Administration of Citrix Virtual Apps / Desktops (VDI) environments Cooperation with IT teams (network, security, systems) regarding solution integrations Identifying and resolving issues related to migration and virtual environments Creating and updating technical documentation Automating administrative and migration processes Participating in testing, validation, and system performance optimization Ensuring service continuity during migration activities What we offer: B2B contract and stable long-term cooperation Private medical care (LuxMed) Multisport card 100% remote work Recruitment process: HR interview – 20 min Technical interview – 30 min Client meeting – 1 h

🏢 Summary: B2B contract role for a C++ Software Engineer focused on developing and maintaining software modules and Linux device drivers for video devices in a hybrid setup in Kraków. The position involves low-level development, build system maintenance, and software architecture design within a 6‑month engagement. 🗂️ Requirements: Advanced C++ programming skills (4+ years), Experience with Linux device driver development, Knowledge of software design, data structures and algorithms, Scripting skills in Python, Understanding of coding best practices, Fluent English, Legal ability to reside and run a business in Poland 📃 Skills: C++, Linux, Python, Make, CMake, Docker, Git, ARM 🏢 Description: C++ Software Engineer (Video Devices), contract B2B contract with Harvey Nash Location: Kraków - hybrid (2 days in office per week) Pay rate: 140 - 160 PLN net+VAT / h Duration: 6 months End client: international technology company Responsibilities include: Design and development of software modules with use of C++ Develop and debug Linux device drivers Create design documents on software architecture and algorithms Maintain and improve build system (Make, CMake, Python, Docker) Contribute to peer code review Requirements: Advanced C++ coding skills (preferably 4+ years of experience) Knowledge of software design, data structures and algorithms Scripting skills (preferably Python) Knowledge of coding best practices Fluent in English Allowed to reside and run a business in Poland Nice to have: experience with embedded software, Linux, ARM, OS concepts, digital image/video/audio coding, video streaming, network fundamentals

🏢 Summary: Senior Infrastructure Engineer role focused on operating and supporting critical on-premise IT infrastructure in a regulated banking environment. The position involves administration of Microsoft server environments, VMware clusters, and Citrix VDI, ensuring system stability and handling high-level incidents. 100% remote B2B engagement with on-call responsibilities. 🗂️ Requirements: 6+ years experience in Infrastructure or System Engineering, Experience in enterprise or datacenter environments, Experience with critical production systems, Administration of Microsoft server environments, Management of VMware vSphere clusters, Administration of Citrix Virtual Apps and Desktops (VDI), System monitoring and infrastructure stabilization, Patch management, 2nd/3rd level incident support, Very good German, Very good English 📃 Skills: Microsoft, WindowsServer, VMware, vSphere, Citrix, VDI, Monitoring, PatchManagement, IncidentManagement, Datacenter, German, English 🏢 Description: Wir suchen derzeit einen Senior Infrastructure Engineer , der eine kritische On-Premise-IT-Infrastruktur in einem regulierten Bankenumfeld unterstützt. Verantwortlichkeiten: Betrieb und Administration von Microsoft Server Umgebungen Verwaltung von VMware vSphere Clustern Administration von Citrix Virtual Apps / Desktops (VDI) System Monitoring und Stabilisierung der Infrastruktur Patch Management Incident Management (2nd / 3rd Level Support) Analyse und Behebung kritischer Systemstörungen Unterstützung der Projektteams Erstellung und Pflege technischer Dokumentation Teilnahme an Rufbereitschaft / On-Call Rotation Anforderungen: 6+ Jahre Erfahrung im Infrastructure / System Engineering Erfahrung in Enterprise oder Datacenter Umgebungen Erfahrung mit kritischen Produktionssystemen Deutsch: sehr gut Englisch: sehr gut Was wir bieten: 100 % Remote-Arbeit B2B-Vertrag und stabile, langfristige Zusammenarbeit Private medizinische Versorgung (LuxMed) Multisport-Karte

🏢 Summary: Long-term B2B contract for a Java Developer to design, develop and maintain scalable trade booking and control systems for an international financial institution. The role involves building complex integrations, optimizing code and contributing to DevOps and testing processes in a hybrid setup in Warsaw. 🗂️ Requirements: 5+ years of Java development experience, Experience developing complex software systems, Experience with system integration, Experience with code optimisation, Experience with Python or C++, Knowledge of DevOps fundamentals, Knowledge of software testing fundamentals, Understanding of multithreading, Knowledge of messaging systems 📃 Skills: Java, Python, C++, DevOps, Testing, Multithreading, Messaging 🏢 Description: B2B contract via Harvey Nash Duration: long-term (6 months contract cycle) Location: Warsaw (3 days/week onsite) End-client: international financial institution Tasks: Design, develop and maintain scalable solutions for trade booking and control systems and platforms Contribute to DevOps and testing Cooperate with stakeholders Requirements: 5+ years of experience in Java development Experience in developing complex software, integration and code optimisation Experience with other programming languages like Python, C++ Knowledge of DevOps and testing fundamentals Nice to have: experience in finance, fintech or insurance sector, knowledge of multithreading and messaging Fluent in English Allowed to work on B2B in Poland

🏢 Summary: The offer is for a Windows Engineer responsible for administering and maintaining Windows Server environments in virtualized infrastructures, supporting DevOps operations, and ensuring system security, stability, and performance. The role includes monitoring, troubleshooting, automation, and participation in architectural and change management processes. The position involves 2nd line support and collaboration within complex, distributed IT environments. 🗂️ Requirements: Experience administering Windows Server 2016 or later in virtualized environments, Experience managing complex and distributed IT systems, Knowledge of network protocols: SMTP, NTP, DNS, LDAP, DHCP, Hands-on experience with networking, security, and Windows Server services, Scripting experience in PowerShell or other scripting languages, Experience with ITIL-based change, configuration, and release management, Experience working in secure isolated or tiered environments, Experience provisioning Virtual Machines in VMware or Nutanix, Experience with DevOps operations in Azure, Strong troubleshooting and analytical skills 📃 Skills: Windows, WindowsServer, PowerShell, VMware, Nutanix, Azure, SMTP, NTP, DNS, LDAP, DHCP, ITIL, DevOps, Virtualization, Networking, Security 🏢 Description: Team Connect is Poland’s leading nearshore and offshore IT provider. Since 2008 we successfully create and develop software for our clients. We specialize in Agile and DevOps-based software development. From the analysis stage through implementation. We develop backend, frontend, and mobile applications. For one of our clients, we are looking for an Windows Engineer. RESPONSIBILITIES - Administering and monitoring of Windows Server operating systems and services in a virtualized environment - Monitoring and analysis of alerts - Handling of backups and restoring operations of systems - Installation, upgrades and configuration of system components and server software - Scripting and configurations in context of Windows Server environments - Participate in architectural design/reviews - Advising in areas such as capacity management, contingency planning, IT service continuity management, automation of repetitive tasks, security - Providing with recommendations and implementing OS best practices and security standards - Problem definition, analysis, and resolution: diagnosis of software and hardware problems - Defining and updating technical documentation and operating procedures - Implementing changes according to ICT change management procedures - Providing 2nd line support to other IT teams and coordinating with 3rd line of support - Participation in coordination and project meetings - Other specific duties aligned to profile as assigned by supervisor REQUIREMENTS - Experience in administration of Windows Server 2016 or later based systems in virtualized environment - Experience in administration of complex IT systems and distributed environments - Good knowledge of network protocols: SMTP, NTP, DNS, LDAP, DHCP - Hands-on experience in networking, security and systems services for Microsoft Windows Server OS - Solid scripting skills in PowerShell or other scripting languages - Experience with ticketing systems and ITIL based change management, configuration management and release management processes - Strong analytical and troubleshooting skills - A proactive attitude, team-work spirit, being self-motivated with a strong user orientation - Good communication skills - Able to cope with fast changing technologies - Experience working in secure isolated/tiered environment - Experience in provisioning of Virtual Machines in VMware or Nutanix environment - Experience in DEVOPS operations in Azure WE OFFER Long-term cooperation Benefits package – Multisport card, medical care & life insurance Training budget Assistance in accounting issues when setting up/running a business Free english lessons Individual support from a dedicated company supervisor

🏢 Summary: Senior C++ engineer role focused on modernizing multiple legacy C++ products by migrating to Visual Studio 2022 and updating outdated dependencies. The project involves refactoring legacy code, upgrading build pipelines, and ensuring compatibility and stability across eight components. This is a 6‑month remote consulting engagement with possible extension. 🗂️ Requirements: Strong experience with modern and legacy C++, Deep knowledge of Windows development (Win32, DLLs, services, file systems), Hands-on experience with COM and ActiveX, Experience migrating projects from older Visual Studio versions, Strong debugging skills, Refactoring experience in legacy codebases, Experience with MSBuild, Experience with CI/CD pipelines, European Union citizenship, Residence in Poland 📃 Skills: C++, MSVC, VisualStudio, Win32, DLL, COM, ActiveX, MSBuild, CI/CD, Bitbucket, Boost, Solace, LZO, WebSphere, Windows, UNIX 🏢 Description: We are looking for a senior C++ engineer to lead the modernization of multiple legacy C++ products. The project includes upgrading dependencies from legacy MSVC++ Redistributables (2010–2017) to MSVC++ 2022 , ensuring full compatibility with Visual Studio 2022 , modernizing build pipelines, and validating functional stability across 8 components. Project information: Type of project: Consulting Office location: Warszawa Work mode: Remote Budget: 135 PLN net /h - b2b Project length: 6 months with an option for extension Only candidates with citizenship in the European Union and residence in Poland Start date: ASAP (depending on candidate availability) Key Responsibilities Migrate all products to Visual Studio 2022 Remove obsolete C++ runtime dependencies Refactor legacy code for modern toolsets Update CI/CD pipelines (Bitbucket preferred) Validate third-party integrations (Boost, Solace C Driver, LZO, etc.) Fix known issues and support final sign-off Requirements Strong experience in modern & legacy C++ Deep knowledge of Windows development (Win32, DLLs, services, file systems) Hands-on experience with COM / ActiveX Migration experience from older Visual Studio versions Strong debugging and refactoring skills Experience with MSBuild and CI/CD pipelines Nice to have: Solace C Driver (7.x) WebSphere MQ client development Boost-based services LZO compression library Cross-platform builds (Windows & UNIX environments) We offer: Remote working model Full-time job agreement based on b2b Private medical care with dental care (covering 70% of costs) + rehabilitation package. Family package option possible Multisport card (also for an accompanying person) Life insurance

🏢 Summary: B2B DevOps/Platform Engineer role focused on managing and evolving GitLab and CI/CD pipelines, integrating platform tooling, and driving cloud architecture and migrations on AWS or Azure. The position supports development teams with best practices and troubleshooting in a hybrid setup in Warsaw. 🗂️ Requirements: 4+ years in DevOps, platform, or cloud engineering, Strong knowledge of Kubernetes, Strong knowledge of Docker, Strong knowledge of CI/CD pipelines, Experience with AWS or Azure, Ability to read Python or Java code 📃 Skills: Kubernetes, Docker, CI/CD, GitLab, AWS, Azure, Python, Java 🏢 Description: Hybrid (3-4 days from office,Warsaw) Contract B2B via Harvey Nash WHAT YOU'LL DO - Manage and evolve our GitLab environment and CI/CD pipelines - Integrate platform tooling: artifact repos, secret management, security scanning - Drive cloud architecture and migrations on AWS/Azure - Support dev teams with best practices and troubleshooting REQUIREMENTS: - 4+ years in DevOps, platform, or cloud engineering - Strong knowledge of Kubernetes, Docker, CI/CD, GitLab admin experience a plus - AWS or Azure experience - Comfortable reading Python or Java - Strong English communication skills - B2B contract in Poland

🏢 Summary: Offer for an experienced Windows Administrator in the banking sector, working in a hybrid model with periodic presence in Warsaw. The role focuses on administration, maintenance and optimization of complex Windows server environments, virtualization platforms and Active Directory. The position requires strong scripting skills and experience in managing enterprise IT infrastructure. 🗂️ Requirements: Higher education in IT or related technical field, Minimum 3 years of experience in IT systems administration, Advanced knowledge of Microsoft Windows Server (2003/2008/2012/2016/2022), Experience with IBM MQ, Experience with virtualization technologies, Proficiency in PowerShell, Proficiency in VBS, Knowledge of patch management, Experience with Active Directory administration, Communicative English 📃 Skills: Windows, WindowsServer, IBM, MQ, Virtualization, PowerShell, VBS, ActiveDirectory, PatchManagement, MSExchange, Citrix, SQL 🏢 Description: Banking Hybrid way of work - 1x na dwa tygodnie Warszawskim biurze Stawka: 120PLN/h + VAT na umowie B2B Wprowadzenie i podsumowanie: Poszukujemy doświadczonego Administratora Windows, który może przyczynić się do efektywnego zarządzania rozbudowanymi systemami informatycznymi w dużej organizacji. Wymagana jest bardzo dobra znajomość systemów operacyjnych Microsoft Windows oraz umiejętność programowania w językach skryptowych. Idealny kandydat powinien być zorientowany na cel i mieć doświadczenie w pracy z technologiami wirtualizacji oraz Active Directory. Główne obowiązki: Osoba na tym stanowisku będzie odpowiedzialna za administrację systemami Windows oraz zapewnienie ich wysokiej dostępności. Instalacja, konfiguracja i zarządzanie serwerami Windows. Monitorowanie i optymalizowanie wydajności systemów operacyjnych. Wdrażanie i utrzymanie rozwiązań wirtualizacyjnych. Wsparcie użytkowników oraz rozwiązywanie problemów technicznych. Przeprowadzanie aktualizacji systemów i zarządzanie łatkami. Utrzymanie oraz rozwój Active Directory i usług związanych z bezpieczeństwem. Dokumentowanie procedur oraz aktualizowanie systemów. Kluczowe wymagania: Wykształcenie wyższe, preferowane w dziedzinach technicznych (informatyka, elektronika). Minimum 3 lata doświadczenia w administracji systemami informatycznymi. Zaawansowana znajomość systemów operacyjnych Microsoft Windows 2003/2008/2012/2016/2022. Dobra znajomość IBM MQ oraz technologii wirtualizacji. Umiejętność programowania w PowerShell i VBS. Znajomość Patch managementu. Komunikatywna znajomość języka angielskiego. Miło widziane umiejętności: Znajomość MS Exchange oraz Citrix. Doświadczenie w administracji wszechstronnych środowisk IT. Znajomość języka SQL.

🏢 Summary: Senior Software Engineer role focused on developing and maintaining secure encryption infrastructure across Windows, Linux, and cloud environments. The position involves backend and driver development, Windows application enhancement, CI/CD automation, and server management to support critical production systems. The role combines embedded systems, hardware-software integration, and cloud-based infrastructure in a hybrid Warsaw-based setup. 🗂️ Requirements: Engineering Degree in Electronics or Computer Science, Minimum 5 years of experience in IT, automation, software engineering, or electronics, Strong proficiency in IP networking, Strong knowledge of computer systems, Experience with database management, Proven troubleshooting skills in Python and C++, Experience working in Windows and Linux environments, Fluency in English, Fluency in Polish, Legal right to work in the European Union 📃 Skills: Python, C++, JavaScript, Node.js, Express, Windows, Linux, AWS, Azure, CI/CD, IP, VPN, PKI, SQL, Batch 🏢 Description: Ignite Innovation in Embedded Systems — Redefine the Future of Connectivity and Security! Warsaw-based opportunity with hybrid work model. As a Senior Software Engineer , you will be working for our client, a leading company in the manufacturing industry, focused on the development and deployment of critical encryption infrastructure. You will play a vital role in maintaining and advancing secure server and device solutions across Windows, Linux, and cloud environments. Join us to push the boundaries of hardware-software integration, ensuring robust security and operational excellence in high-stakes production lines. This is your chance to be part of pioneering technological progress. Your main responsibilities: Develop backend solutions in Python and hardware device drivers to support encryption systems. Create new Windows applications based on existing modules, extending functionality and performance. Enhance frontend components mainly supporting existing JavaScript modules in Node.js/Express. Automate CI/CD workflows, develop tests, and streamline deployment processes. Support and improve Windows batch scripts, deploy Windows services, and troubleshoot related applications. Diagnose and resolve issues within Python, JavaScript, and C++ codebases. Identify system risks, propose mitigation strategies, and implement solutions to prevent future problems. Collaborate directly with product development teams on evolving existing solutions and developing new products. Manage Windows and Linux servers on-premises and in the cloud, overseeing network configurations and VPN connectivity. Navigate and maintain cloud-based systems, primarily AWS and Azure. Conduct upgrades and deployment of encryption infrastructure on new production lines. Occasionally travel domestically and internationally (up to 5%). You're ideal for this role if you have: An Engineering Degree in Electronics or Computer Science. At least 5 years of hands-on experience in IT, automation, software engineering, or electronics. Strong proficiency in IP Networking, computer systems, and database management. Proven troubleshooting skills in Python and C++, with experience in Windows and Linux environments. Ability to proactively identify risks and craft effective solutions. Excellent communication and collaboration skills for working with international teams. Fluency in English, both spoken and written, for technical documentation and team interactions. It is a strong plus if you have: (optional) Experience working with Azure or AWS cloud platforms. Background in PKI system development. Language Required for the role: Fluent in English and Polish. Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.