Vallum Associates
Head Network Observability and Analysis

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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
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
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


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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
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