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Senior Microsoft Sentinel SIEM Engineer / Administrator

--Vacancies LLC--

Key Responsibilities

As a Senior Microsoft Sentinel SIEM Engineer / Administrator, you will:

  • Design, administer, and optimize Microsoft Sentinel and supporting Azure security services.
  • Integrate multiple security technologies and participating entities into a centralized SIEM platform.
  • Develop and maintain analytics rules, detection use cases, hunting queries, dashboards, workbooks, and SOAR playbooks.
  • Configure and manage log ingestion using APIs, Azure Monitor Agent, Event Hubs, Syslog, CEF, and custom connectors.
  • Monitor platform health, data ingestion, connector performance, and overall SIEM operations.
  • Develop Kusto Query Language (KQL) queries for advanced detection engineering and threat hunting.
  • Integrate Microsoft Sentinel with EDR, XDR, SOAR, threat intelligence, and other security platforms.
  • Support SOC analysts with incident investigations, automation, and continuous platform improvements.

What We're Looking For

Required Qualifications:

  • Bachelor's degree in Cybersecurity, Information Security, Computer Science, Information Technology, Engineering, or a related field.
  • Minimum 3 years of hands-on experience administering Microsoft Sentinel SIEM.
  • Strong expertise with Microsoft Azure, Log Analytics, Azure Monitor, Azure Functions, Logic Apps, Event Hubs, and Microsoft Entra ID.
  • Advanced proficiency in Kusto Query Language (KQL).
  • Experience with SIEM integrations, detection engineering, threat hunting, automation, and security operations.
  • Strong knowledge of MITRE ATT&CK, API integrations, Syslog, CEF, REST APIs, and security monitoring best practices.

Preferred Qualifications

  • Microsoft Certified: Security Operations Analyst Associate
  • Microsoft Certified: Azure Security Engineer Associate
  • Microsoft Certified: Cybersecurity Architect Expert
  • Experience with Microsoft Defender XDR, Defender for Cloud, Defender for Endpoint, CI/CD, Infrastructure as Code, and scripting (Python, PowerShell, Bash).

Why Join Us?

  • Work on large-scale enterprise cybersecurity initiatives.
  • Collaborate with experienced SOC, Threat Intelligence, and Cloud Security teams.
  • Design and implement advanced SIEM, detection engineering, and security automation solutions.
  • Make a direct impact in strengthening cyber resilience and security operations.