Data Engineer / Network Traffic Analysis
£500 – £550 per day | Inside IR35 | 6-Month Contract | Hybrid – 2 Days per Week in Islington, London
83zero is recruiting for a Data Engineer / Network Traffic Analysis specialist to join a highly technical team working with large volumes of network and traffic data.
This is not a traditional Data Engineering position. We are looking for someone who combines strong networking knowledge with hands‑on packet and traffic analysis, particularly using Wireshark, PCAP and tcpdump.
You will be working at packet and protocol level, capturing, investigating and analysing network traffic before turning that information into usable data for further processing and analysis.
What you’ll be doing
Capturing and analysing network traffic using Wireshark, PCAP and tcpdump
Investigating network behaviour at packet and protocol level
Analysing TCP/IP, DNS, HTTP/HTTPS, ports, protocols and traffic flows
Filtering packet captures to identify patterns, anomalies and potential issues
Troubleshooting network connectivity, latency, routing and protocol issues
Extracting, transforming and analysing technical/network data
Using Python and SQL to work with network, telemetry or data sets
Working alongside data, networking and security teams
Supporting cloud-based data and network environments
What we’re looking for
You should have strong hands‑on experience across:
Wireshark
PCAP / packet capture
Network traffic analysis
Network sniffing
tcpdump
TCP/IP
DNS
HTTP / HTTPS
Network protocols and troubleshooting
Python and/or SQL
Experience with GCP / Google Cloud, BigQuery, Pub/Sub or Dataflow would be beneficial, but it is not essential. The priority is genuine hands‑on network traffic and packet analysis experience.
Contract Details
Rate: £500 – £550 per day
IR35: Inside IR35
Duration: 6 months
Location: Islington, London
Working Pattern: Hybrid, 2 days per week onsite
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