{"source":"Breaknorm","page":"https://breaknorm.co/company/citadelle.ag","license":"https://breaknorm.co/terms","domain":"citadelle.ag","name":"citadelle systems AG","legal_name":"citadelle systems AG","country":"DE","country_second":"AT","city":"Essen","admin1":"Nordrhein-Westfalen","vertical":"technology_software","subvertical":"managed_it_services","leaf":"sme_managed_it_services","summary":"citadelle systems AG is an IT system house group that provides IT services for small and medium enterprises across Germany. Its offerings include hardware, IT infrastructure, cloud and managed services, printer and scanner solutions, and IT security. The group operates from 14 locations nationwide.","offerings":["pc workstations and servers","network and software infrastructure","microsoft 365","it security services","it management consulting","software development","data backup","firewall and antivirus"],"target_customers":["small and medium enterprises"],"business_model":["B2B"],"geo_scope":"national","headcount":"201-500","headcount_source":"estimated","revenue":"50M-250M","revenue_source":"estimated","certifications":[],"langs":["de"],"linkedin":"https://www.linkedin.com/company/citadelle-systems","reviews":[],"contact_points":5,"contact_phones":3,"page_types":["privacy","terms","locations","home","imprint","contact","careers","references","about","services"],"crawled":"2026-08-02","profiled":"2026-08-22","indexed":"2026-09-18","hiring_built":"2026-10-28","website_tech":["facebook_pixel","apple","microsoft_365","microsoft_entra_id","microsoft_intune"],"hiring":{"open":21,"open_postings":23,"new_7d":3,"new_30d":14,"new_90d":21,"closed_30d":0,"countries":["DE"]},"hiring_functions":[["it_operations_and_business_systems",14,11],["sales",2,1],["finance_and_accounting",1,1],["software_engineering",1,0]],"tech_jobs":[{"slug":"checkmk","status":"active","confidence":"medium","jobs":4,"first_seen":"2026-10-17","function":"it_operations_and_business_systems","quote":"· Monitoring, idealerweise mit Checkmk","title":"Senior IT-Consultant & Systemtechniker (m/w/d)"},{"slug":"microsoft-windows","status":"active","confidence":"medium","jobs":6,"first_seen":"2026-09-24","function":"it_operations_and_business_systems","quote":"• Windows Client und Server, Virtualisierung (VMware, Hyper-V)","title":"IT-Administrator (m/w/d)"},{"slug":"microsoft-hyper-v","status":"active","confidence":"medium","jobs":4,"first_seen":"2026-09-24","function":"it_operations_and_business_systems","quote":"• Windows Client und Server, Virtualisierung (VMware, Hyper-V)","title":"IT-Administrator (m/w/d)"},{"slug":"vmware","status":"active","confidence":"medium","jobs":2,"first_seen":"2026-09-29","function":"it_operations_and_business_systems","quote":"• Windows Client und Server, Virtualisierung (VMware, Hyper-V)","title":"IT-Administrator (m/w/d)"},{"slug":"dhcp","status":"active","confidence":"medium","jobs":3,"first_seen":"2026-09-24","function":"it_operations_and_business_systems","quote":"• Kenntnisse in mehreren der folgenden Bereiche: Windows Client und Server, Virtualisierung (HyperV), Active Directory, DNS, DHCP, Gruppenrichtlinien, Microsoft 365, Backup Lösungen, Netzwerke und Firewalls","title":"Senior IT-Techniker 2nd Level (m/w/d)"},{"slug":"dns","status":"active","confidence":"medium","jobs":3,"first_seen":"2026-09-24","function":"it_operations_and_business_systems","quote":"• Kenntnisse in mehreren der folgenden Bereiche: Windows Client und Server, Virtualisierung (HyperV), Active Directory, DNS, DHCP, Gruppenrichtlinien, Microsoft 365, Backup Lösungen, Netzwerke und Firewalls","title":"Senior IT-Techniker 2nd Level (m/w/d)"},{"slug":"active-directory","status":"active","confidence":"medium","jobs":2,"first_seen":"2026-09-24","function":"it_operations_and_business_systems","quote":"• Kenntnisse in mehreren der folgenden Bereiche: Windows Client und Server, Virtualisierung (HyperV), Active Directory, DNS, DHCP, Gruppenrichtlinien, Microsoft 365, Backup Lösungen und Netzwerke","title":"(Junior) IT-Administrator (m/w/d)"},{"slug":"microsoft-excel","status":"active","confidence":"medium","jobs":1,"first_seen":"2026-10-10","function":"finance_and_accounting","quote":"• Sehr gute Excel-Kenntnisse und idealerweise Erfahrung mit DATEV sowie ERP-, Konsolidierungs-, Planungs- oder Reportinglösungen","title":"Kaufmännischer Leiter (m/w/d) - Finance & Accounting"},{"slug":"microsoft-365","status":"active","confidence":"medium","jobs":2,"first_seen":"2026-09-24","function":"it_operations_and_business_systems","quote":"• Kenntnisse in mehreren der folgenden Bereiche: Windows Client und Server, Virtualisierung (HyperV), Active Directory, DNS, DHCP, Gruppenrichtlinien, Microsoft 365, Backup Lösungen, Netzwerke und Firewalls","title":"Senior IT-Techniker 2nd Level (m/w/d)"},{"slug":"azure-app-service","status":"active","confidence":"medium","jobs":1,"first_seen":"2026-09-24","function":"software_engineering","quote":"Azure App Services, Web Apps, Environments)","title":"Software- & Prozessentwickler (m/w/d) - Digitalisierung für mittelständische Unternehmen"},{"slug":"fastapi","status":"active","confidence":"medium","jobs":1,"first_seen":"2026-09-24","function":"","quote":"FastAPI, Automationen)","title":"Software- & Prozessentwickler (m/w/d) - Digitalisierung für mittelständische Unternehmen"},{"slug":"git","status":"active","confidence":"medium","jobs":1,"first_seen":"2026-09-24","function":"","quote":"• Vertraut mit Git‑Workflows, Tests und sauber dokumentiertem Code","title":"Software- & Prozessentwickler (m/w/d) - Digitalisierung für mittelständische Unternehmen"},{"slug":"microsoft-azure","status":"active","confidence":"medium","jobs":1,"first_seen":"2026-09-24","function":"","quote":"• Deployen, Konfigurieren und Betreiben von Web-Applikationen in Microsoft Azure (z.","title":"Software- & Prozessentwickler (m/w/d) - Digitalisierung für mittelständische Unternehmen"},{"slug":"microsoft-entra-id","status":"active","confidence":"medium","jobs":1,"first_seen":"2026-09-24","function":"","quote":"OAuth, Entra ID)","title":"Software- & Prozessentwickler (m/w/d) - Digitalisierung für mittelständische Unternehmen"}],"intents":[],"recent_postings":[{"id":9364321,"title":"Fachinformatiker (m/w/d) Systemintegration","city":"Friedberg (Hessen)","function":"it_operations_and_business_systems","family":"it_operations_and_business_systems/systems_and_infrastructure_administration","seniority":null,"posted":"2026-10-27","url":"https://citadelle.softgarden.io/job/68340568?l=de","tech":["microsoft-windows","aws","microsoft-azure","alibaba","vmware","microsoft-hyper-v"]},{"id":786600,"title":"Senior IT-Consultant & Systemtechniker (m/w/d)","city":"Bochum","function":"it_operations_and_business_systems","family":null,"seniority":"senior","posted":"2026-10-21","url":"https://citadelle.softgarden.io/job/67544087?l=de","tech":[]},{"id":786601,"title":"Senior IT-Consultant & Systemtechniker (m/w/d)","city":"Lüdenscheid","function":"it_operations_and_business_systems","family":null,"seniority":"senior","posted":"2026-10-21","url":"https://citadelle.softgarden.io/job/66717153?l=de","tech":[]},{"id":786602,"title":"Senior IT-Consultant & Systemtechniker (m/w/d)","city":"Iserlohn","function":"it_operations_and_business_systems","family":null,"seniority":"senior","posted":"2026-10-21","url":"https://citadelle.softgarden.io/job/67544102?l=de","tech":[]},{"id":786603,"title":"Ausbildung zum Fachinformatiker Systemintegration (m/w/d)","city":"Nordhorn","function":"it_operations_and_business_systems","family":"it_operations_and_business_systems/systems_and_infrastructure_administration","seniority":"training","posted":"2026-10-20","url":"https://citadelle.softgarden.io/job/68220006?l=de","tech":[]},{"id":786604,"title":"Senior IT-Consultant & Systemtechniker (m/w/d)","city":"Neuss","function":"it_operations_and_business_systems","family":null,"seniority":"senior","posted":"2026-10-17","url":"https://citadelle.softgarden.io/job/67483207?l=de","tech":[]},{"id":786605,"title":"Account Management (m/w/d)","city":"Lüdenscheid","function":"sales","family":"sales/account_management","seniority":"entry","posted":"2026-10-14","url":"https://citadelle.softgarden.io/job/66717223?l=de","tech":[]},{"id":786606,"title":"Kaufmännischer Leiter (m/w/d) - 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