Administration-Arbeitsmarkt für Microsoft Security in Ratingen

11 Jobs für Microsoft Security in Ratingen

Senior IT System Engineer Hardening (gn) Full-time/Part-time (hybrid) Ratingen

Windows Server, Hyper-V, File Services).You have in-depth experience in the administration and hardening of Windows Server systems.You are confident in using Windows PowerShell and apply automation purposefully in operations.You have basic knowledge of regulatory security requirements, such as ISO standards, BSI, or compliance regulations.You have experience in the analysis and resolution of security-related incidents.You work confidently with external service providers and manage them effectively.You are characterized by an analytical, structured, and independent working style.Your strong communication skills and ability to work in a team set you apart.Your very good German and English skills, both written and spoken, complete your profile.

Stellenangebot Senior IT System Engineer Hardening (gn) Full-time/Part-time (hybrid) ansehen

IT-Netzwerkadministrator mit dem Schwerpunkt Networking (m/w/d) Ratingen

Planung, Design und Aufbau moderner Netzwerkstrukturen (LAN/WLAN, Routing, Switching, VPN) Umsetzung von Netzsegmentierung (VLAN/ACL), QoS-Strategien und Redundanzen Administration von Windows- und Linux-Serverlandschaften Betreuung von Active Directory, Virtualisierung (VMware/Hyper-V) und Data-Core Planung, Ausleuchtung und Betrieb professioneller WLAN-Netze Einsatz von ARUBA Central und Ekahau für Analyse und Betrieb Proaktives Monitoring und 2nd/3rd-Level-Troubleshooting komplexer Störungen Ursachenanalyse und nachhaltige Problemlösung mit Fokus auf Stabilität und Security Erstellung präziser Projekt- und Systemdokumentationen Fachliche Beratung und enge Zusammenarbeit mit Projektleitung und Vertrieb Abgeschlossene IT-Ausbildung, IT-Studium oder vergleichbare Qualifikation Erfahrung in Netzwerkadministration (Switching, Routing, VLAN) Know-how im professionellen WLAN-Management und Access-Point-Konzepten Erfahrung in Windows-Server, AD-Verwaltung und VMware/Hyper-V Analytische, strukturierte und eigenverantwortliche Arbeitsweise Hoher Qualitätsanspruch und ausgeprägte Serviceorientierung Sicheres, kommunikatives Auftreten im Kundenkontakt Sehr gute Deutsch- und gute Englischkenntnisse Flexibilität und Bereitschaft für wechselnde Kundenumfelder, Führerschein Klasse B Lernbereitschaft und Motivation für Hersteller-Schulungen (z.B.

Stellenangebot IT-Netzwerkadministrator mit dem Schwerpunkt Networking (m/w/d) ansehen

IT System Engineer Windows Server (gn) Full-time/Part-time (hybrid) Ratingen

What makes you stand out You have relevant professional experience operating complex, heterogeneous server infrastructures as well as application servers based on Microsoft Windows Server.You have very good knowledge of Microsoft server technologies such as Windows Server, Hyper‑V, Active Directory, Entra ID, Group Policies, and File Services.You are confident in using Windows PowerShell and apply it routinely for administration and automation.You have basic hands-on experience in operating hybrid infrastructures consisting of on‑premises, multi-cloud, and hybrid cloud environments, as well as services such as IaaS, PaaS, and SaaS, including their integration.You bring experience in working with external service providers and partners and are able to manage them in a structured manner.In addition, you work analytically, in a structured and independent way, and maintain an overview even in complex situations.You impress with strong communication skills, the ability to work well in a team, and a high level of responsibility.Fluent German and English skills, both written and spoken, complete your profile.

Stellenangebot IT System Engineer Windows Server (gn) Full-time/Part-time (hybrid) ansehen

Senior Technical Expert Payment Solutions (gn) Vollzeit/Teilzeit (hybrid) Ratingen

What makes you stand out You have successfully completed a degree in Business Informatics, Computer Science, Business Administration, or a comparable qualification. You bring solid knowledge of payment, card and transaction processing, or electronic payment systems.You have a strong technical understanding of payment system architectures, authorization systems, and interfaces to external service providers, and you have experience in analyzing, specifying, and implementing product requirements.

Stellenangebot Senior Technical Expert Payment Solutions (gn) Vollzeit/Teilzeit (hybrid) ansehen

IT-Systementwickler/Web-Technologie-Spezialist (m/w/d) Ratingen

Für unsere IT-Abteilung suchen wir ab sofort eine motivierte IT‑Fachkraft mit Schwerpunkt Websysteme, Schnittstellen, Server‑Administration und PIM-/Katalogtechnologien. Die Rolle kombiniert Webanwendungen, Datenintegration und Systembetrieb – mit klarer Priorität auf Lernbereitschaft statt Vollabdeckung aller Technologien.

Stellenangebot IT-Systementwickler/Web-Technologie-Spezialist (m/w/d) ansehen

IT-Systementwickler/Web-Technologie-Spezialist (m/w/d) Ratingen

Für unsere IT-Abteilung suchen wir ab sofort eine motivierte IT‑Fachkraft mit Schwerpunkt Websysteme, Schnittstellen, Server‑Administration und PIM-/Katalogtechnologien. Die Rolle kombiniert Webanwendungen, Datenintegration und Systembetrieb – mit klarer Priorität auf Lernbereitschaft statt Vollabdeckung aller Technologien.

Stellenangebot IT-Systementwickler/Web-Technologie-Spezialist (m/w/d) ansehen

Expert HR Tech (gn) Vollzeit/Teilzeit (hybrid) Ratingen

What you can expect You manage national & international digitisation initiatives in the HR area, identify digitisation needs in the HR area and help shape the digital strategy.You optimise the existing applications and digitalisation of HR processes in close cooperation with internal and external partners using the existing HR tech stack (Cornerstone on Demand, Haufe PeopleDoc, MS PowerAutomate, RPAs).Your tasks include the implementation of new cloud-based software solutions and other modules, automation of routine tasks and technical integration of M&A into our system landscape, taking into account local/national requirements.You will support and configure the cloud-based HR systems during operation (incl. authorisation concepts) as well as the interfaces between the systems and help design the master data architecture for digital data collection.You will also work closely with the IT security and data protection departments and be responsible for compliance with current standards.You are the contact person for HR colleagues in the event of problems and are responsible for communicating with stakeholders. What makes you stand out You have a degree in business administration, business informatics or a comparable qualification.You have relevant professional experience in the digitalisation of HR processes and cloud-based HR IT solutions (SuccessFactors, Workday, Cornerstone or similar).You have a talent for communication and are enthusiastic about the digital transformation of HR processes.You are characterised by your service-oriented, analytical and strategic way of thinking.

Stellenangebot Expert HR Tech (gn) Vollzeit/Teilzeit (hybrid) ansehen

Senior Network Engineer (gn) Full-time/Part-time (hybrid) Ratingen

What makes you stand out You bring several years of experience in network administration or network engineering, particularly with Zscaler, Fortinet FortiGate, Cisco, and Cisco Meraki.You have in‑depth knowledge of current network and security technologies.You have experience in designing and operating complex enterprise networks.Ideally, you have experience managing external service providers.You think analytically and independently solve complex technical challenges.You enjoy knowledge sharing and working as part of a team.You stand out through strong communication skills and a service‑oriented mindset.Very good written and spoken German and English skills round off your profile.

Stellenangebot Senior Network Engineer (gn) Full-time/Part-time (hybrid) ansehen

Teammanager Payment Processing (gn) Full-time / Part-time (hybrid) Ratingen

What makes you stand out You have several years of experience leading teams in a payments, IT, or platform operations environment.You bring solid expertise in payment processing, ideally in the areas of card acceptance, authorization systems, or payment schemes.You hold a completed degree in Computer Science, Business Informatics, Business Administration, or a comparable qualification.You have experience operating highly available 24/7 systems as well as in incident and provider management.You also have a strong technical understanding of complex system architectures, integrations, and data flows.You have proven experience managing external service providers and leading complex, cross-functional projects.You are able to develop and implement technical concepts, feasibility analyses, and innovative solution approaches.You work in a structured and analytical manner and stand out through strong communication and stakeholder management skills.Very good German and English language skills, both written and spoken, complete your profile.

Stellenangebot Teammanager Payment Processing (gn) Full-time / Part-time (hybrid) ansehen

Director Product Development EVS & Geo (gn) Vollzeit/Teilzeit (hybrid) Ratingen

What makes you stand out You have successfully completed a degree in (business) informatics, industrial engineering, business administration, or a comparable qualification.You already have several years of experience as a manager and extensive experience in managing complex project and program structures in IT development and restructuring.Additionally, you have gained significant experience in stakeholder management.Your profile is rounded off by broad and up-to-date knowledge in cloud and web services, as well as a strong understanding of the connections between business policy and technical development.You are characterized by a very structured way of working, great endurance, and goal-oriented thinking and acting, taking into account the strategic orientation of the company.Furthermore, you have strong strategic thinking and acting, especially regarding the development of the future IT organization as the backbone of business development.You possess excellent analytical thinking skills, pronounced solution orientation, high social competence, reliability and integrity, as well as conflict resolution skills.Your good presentation skills, especially at the management level, combined with above-average negotiation skills, strong motivational ability, and persuasiveness are among your strengths.Your fluent German language skills in both written and spoken form are complemented by fluent English language skills in both written and spoken form.

Stellenangebot Director Product Development EVS & Geo (gn) Vollzeit/Teilzeit (hybrid) ansehen

Data & Performance Analyst - Campaign Management (gn) fulltime/parttime (hybrid) Ratingen

What makes you stand out You hold a Bachelor’s or Master’s degree in Business Administration, Industrial Engineering, Analytics, or Statistics.Ideally, you have additional qualifications in Marketing Analytics or CRM.You bring 3–5 years of professional experience in Campaign/CRM Analytics and Sales Operations.You have hands-on experience in end-to-end campaign tracking, KPI development, and European process harmonization.You are proficient in Power BI (including DAX and Data Modeling) and Power Query (ETL).You are familiar with Dynamics 365 and HubSpot (workflows/tracking).You have experience with SQL (Snowflake) and SAP data integration.You ensure data quality and consistency across systems.You communicate clearly and effectively and Stakeholder management motivates you and drives you to create solutions collaboratively.You design processes, promote enablement, and share best practices.You have excellent German and English skills, both written and spoken.

Stellenangebot Data & Performance Analyst - Campaign Management (gn) fulltime/parttime (hybrid) ansehen

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