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

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

Job Details

Company
Vallum
Location
Sheffield, Yorkshire, United Kingdom S5 9
Hybrid / Remote Options
Employment Type
Contract
Salary
GBP Annual
Posted