Head Network Observability and Analysis

Posted 10 August 2026
LocationSheffield
Job type Contract
Discipline TechnologyCommodities and Financial Services

Job description

​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

Nice to have:

  • Financial services experience

  • Experience working in a large multi-national organisation

  • Exposure to security operations, attack surface management, or threat detection engineering.

If this position is of interest to you, apply now!