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Senior Microsoft Sentinel / SIEM Engineer, Peterborough
Client: Cloud Decisions
Location: Peterborough, United Kingdom
Job Category: Other
EU work permit required: Yes
Job Views:
3
Posted:
31.05.2025
Expiry Date:
15.07.2025
Job Description:
Job Title: Senior Microsoft Sentinel / SIEM Engineer
Salary: To £85,000 + Benefits + Microsoft
Location: Fully Remote, UK
Partnership: Global Microsoft Managed MISA Partner, Security MVPs, Microsoft Verified Safe XDR Solution Partner, Security Depth Partner
This is a standout opportunity for a Microsoft Sentinel expert to join a high-impact, technically advanced role with a global security Microsoft powerhouse. You'll work at the forefront of cyber defense, contributing to investigations involving nation-state threat actors and refining your skills in enterprise-scale log ingestion and Sentinel integration engineering.
The Role
* Own and optimize enterprise-wide log onboarding into Microsoft Sentinel
* Deploy standard and custom connectors, Function Apps, and parsers
* Handle log ingestion at scale across hybrid and multi-cloud environments
* Enhance custom Function Apps and ingestion pipelines
* Parse, normalize, and optimize log telemetry for precision and cost control
* Partner with IR teams on real attacks
* Collaborate with Microsoft teams to develop detection capabilities
* Contribute to internal knowledge base and engineering standards
Requirements
* Experience with complex Microsoft Sentinel deployment at SMC and enterprise levels
* Understanding of security telemetry across identity, endpoint, cloud, and network layers
* Experience in SIEM content development, including KQL, analytics rules, and data connectors
* Scripting skills: Python, PowerShell, APIs, Function Apps
* Background in cyber threat detection, incident response, or DFIR is a plus
* Ability to work in fast-paced, customer-facing environments
Technical Skills
* PowerShell, Python, REST APIs
* Log ingestion and parsing across platforms (Azure, AWS, GCP, M365, Defender, Entra, Copilot, Carbon Black, Okta, Network vendors)
* MITRE ATT&CK, threat detection frameworks, IOC enrichment
* Problem-solving skills
* Sentinel/Log Analytics Cost Management and Data Optimization
Benefits
* Access to Microsoft Sentinel product teams and early feature previews
* Involvement in real-world nation-state attack detection
* Opportunities to develop Sentinel expertise
* Part of a Microsoft Security elite MISA and Depth partner
* Exposure to multi-cloud detection and security automation
* Remote work with flexible culture and global collaboration
* Career growth within a respected security consultancy
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