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Confirmed on the employer's own hiring board on Sep 26, 2026. First seen by Alion on Sep 3, 2026. B2Bnetwork scores B on the Alion truth index.

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B2Bnetwork (B2B.net S.A.) is a Warsaw-based IT outsourcing and software testing company that supplies IT engineers and whole teams to clients in data and analytics, cloud, cybersecurity, digital workplace and application development and maintenance. It operates from the Kopernik Office Buildings in Warsaw, runs QA, cloud, security and academy networks, organises ISTQB examinations, and places many specialists on projects for large banks, most visibly Nordea in Warsaw and Gdansk. Its postings cover Java and Python developers, test automation engineers, IT analysts, data engineers, solution architects, Scrum masters and project managers, largely on B2B contracts.

We are seeking an experienced Windows Expert to join our innovative technology team. This role offers the opportunity to work with cutting-edge automation technologies and contribute to our platform's continuous improvement through modern DevOps practices.

About the Role.

We are seeking an experienced Windows Expert to join our innovative technology team. This role offers the opportunity to work with cutting-edge automation technologies and contribute to our platform's continuous improvement through modern DevOps practices.

Key Responsibilities

  • Design and implement automation processes using CI/CD technologies with Powershell
  • Design and implement GPO's and security baselines
  • Be the OS specialist with deep knowledge of the platform and the surrounding IT landscape, (Network, Storage, Virtualization and Active Directory)
  • Support the team in building new OS images with automation
  • Support, advice and work with cloud migrations. from on-prem.
  • Support, advice and work with cloud migrations.
  • Work closely with our platform owner and scrum team with our engineering backlog
  • Create comprehensive documentation for automation processes and procedures for end users, engineers, and architects
  • Collaborate effectively within our SAFE SCRUM framework
  • Provide advanced troubleshooting and system administration support on the Windows platform
  • Drive innovative solutions to complex technical challenges

Must-have knowledge and experience

Required Skills & Experience

  • High proficiency in Power Shell and other relevant programming languages
  • Extensive experience with configuration management tools, particularly SCCM
  • Strong expertise in Windows server platforms, (Windows 2019, 2022 and 2025)
  • Proficiency with software development tools including GIT and Jira
  • Advanced troubleshooting and problem-solving capabilities
  • Active Directory & Group Policy: Master domain structures, user access control, replication, and policy deployments
  • Core Network Services, Configure and manage essential protocols including DNS, DHCP, and IP routing
  • Hybrid Cloud Knowledge: Connect on-premises server environments with different cloud vendors such as GCP and Azure.
  • Disaster Recovery, Design robust backup routines, failover clustering, and business continuity plans

Nice-to-have knowledge and experience

  • Explore and integrate AI technologies for self-healing platform capabilities
  • Any certifications in Windows server platforms, especially Windows 2022 and 2025
  • Knowledge of other platforms such as Linux
  • Knowledge and ability to code in different languages such as Python etc.
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