Security Engineer Azure

We are looking for a Senior Azure Architect (Security & Development) with a strong development background to design, implement and optimize Microsoft Sentinel-based security solutions for our enterprise customers., * Lead customer workshops and technical discovery sessions in German to understand business requirements, security needs, and existing Azure/on-prem environments.

• Design end-to-end Microsoft Sentinel architectures, including data connectors, Log Analytics workspaces, analytics rules, playbooks, workbooks, and role models.
• Develop and maintain Azure Logic Apps for security automation, enrichment, and integration with third-party systems (ticketing, ITSM, notification channels).
• Design and configure Security controls:
• Microsoft Entra ID (Azure AD)
• RBAC concepts and custom roles
• Privileged Identity Management (PIM)
• Managed identities, app registrations, and service principals
• Conditional Access policies
• Advise customers on Azure licensing and cost models related to:
• Microsoft Sentinel pricing and data ingestion
• Defender plans and add-ons
• Log Analytics retention and archive costs
• Cost optimization strategies (data filtering, workspace strategy, commitment tiers, etc.).
• Design Azure monitoring and logging strategies:
• Log Analytics workspace design, data ingestion strategy, and table structure
• Diagnostic settings for Azure resources and security solutions
• Metrics and alerting for Microsoft Sentinel, Logic Apps, and related services
• Performance and cost optimization for large-scale environments
• Implement CI/CD pipelines (GitHub) for Sentinel content and infrastructure:
• Version control of KQL, Logic Apps, workbooks, and configuration
• Automated deployment across multiple independent client environments
• Quality gates, code review processes, and testing integration
• Create and maintain technical documentation, runbooks, and architecture diagrams.

• Proven hands-on Azure architecture expertise, ideally with a focus on security and monitoring
• Experience working with Microsoft Sentinel or Azure Data Lake
• D evelopment background (automation, scripting, integration)
• Experience in customer-facing roles: workshops, consulting, and solution design
• Ability to translate business requirements into secure, scalable technical solutions
• Fluent German (C1/C2): able to lead workshops, present architectures, and write documentation for German-speaking customers
• Good English (B2+): capable of working with international teams, reading and producing technical documentation, and participating in global projects

Technical Skills

• Microsoft Sentinel & KQL
• Azure Logic Apps & Integration
• Azure Security & Identity
• Azure Monitoring & Logging
• CI/CD & DevOps (GitHub)

• Flexible working: Home office, remote work, flextime, sabbatical
• 26 vacation days & days off on December 24th and 31st
• Paid lunch break, canteen & vouchers
• Free A1 internet plus additional discounts for family & friends
• Company phone for personal use as well
• Internal job market at A1 & skill enhancement
• A1 Radl - Lease a bicycle or e-bike at affordable rates

For this position, we offer an annual gross salary starting at EUR 75.000 (all-in, 40 hours/week).

Unser Mindset

Wir bei A1 wollen mit den Besten zusammenarbeiten und glauben, dass Talent keine Norm hat. Wir nehmen Menschen mit auf unsere Reise, von denen wir lernen können und die uns täglich inspirieren, die Zukunft digitaler, nachhaltiger und inklusiver zu gestalten.

• Frauen in IT & Technik
• Umweltfreundliche Lösungen
• Chancengleichheit & Diversität