Head of Network Observability and Analysis

The Role: Head of Network Observability and Analysis Location: Sheffield, UK Position Type: Contract Inside IR35 Remote work option Available: Hybrid – 3 Days Onsite Job Description: Key responsibilities: * Own the definition and delivery of the network observability and analysis approach, including scope, architecture, tooling, and roadmap * Strong technical understanding of DNS, routing, certificates and exposure data, EDR signals, asset inventory) * Build and improve the data layer to ingest, normalise, and reconcile telemetry and configuration state into analysable, queryable datasets * Partner with analytics and data science teams to develop detection and insight use cases on top of the data * Work in partnership with network engineering to address instrumentation gaps and align with authoritative sources of truth * Define coverage and data quality metrics so visibility gaps are measurable and trackable * Report progress, insights, and key risks to senior security and technology stakeholders Required skills and experience: * Strong networking knowledge: routing, DNS, perimeter and cloud architectures, large enterprise environments * Strong data engineering and analysis skills: large scale telemetry, streaming and batch pipelines, SQL and Python, modern storage and query platforms * Experience building or scaling a capability in a complex organisation * Comfortable working hands-on (prototype, query, script) while setting direction * Experience working in regulated or high security environments, able to work with both engineers and senior stakeholders