Head of Network Observability and Analysis in Sheffield

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The Role: Head of Network Observability and Analysis

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Location: Sheffield, UK

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Position Type: Contract Inside IR35

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Remote work option Available: Hybrid - 3 Days Onsite

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Job Description:

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Key responsibilities:

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• Own the definition and delivery of the network observability and analysis approach, including scope, architecture, tooling, and roadmap
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• Strong technical understanding of DNS, routing, certificates and exposure data, EDR signals, asset inventory)
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• Build and improve the data layer to ingest, normalise, and reconcile telemetry and configuration state into analysable, queryable datasets
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• Partner with analytics and data science teams to develop detection and insight use cases on top of the data
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• Work in partnership with network engineering to address instrumentation gaps and align with authoritative sources of truth
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• Define coverage and data quality metrics so visibility gaps are measurable and trackable
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• Report progress, insights, and key risks to senior security and technology stakeholders
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Required skills and experience:

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• Strong networking knowledge: routing, DNS, perimeter and cloud architectures, large enterprise environments
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• Strong data engineering and analysis skills: large scale telemetry, streaming and batch pipelines, SQL and Python, modern storage and query platforms
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• Experience building or scaling a capability in a complex organisation
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• Comfortable working hands-on (prototype, query, script) while setting direction
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• Experience working in regulated or high security environments, able to work with both engineers and senior stakeholders
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Nice to have:

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• Financial services experience
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• Experience working in a large multi-national organisation
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• Exposure to security operations, attack surface management, or threat detection engineering
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