A1 Telekom Austria AG | Cyber Security

Vollzeit Teilweise Remote Austria

Senior Azure Architect (f/m/d)

Customer-facing role | significant responsibility for both architecture and implementation

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.

Key Responsibilities

  • 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.

Your Profile

  • Several years of proven hands-on Azure architecture expertise, ideally with a focus on security and monitoring

  • substantial experience working with Microsoft Sentinel or Azure Data Lake

  • Strong, demonstrable development 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)

Benefits & More 

  • 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 EUR80.000 (all-in, 40 hours/week).