CPE Technical Investigation Engineer - Home Hub & Broadband

Flint UK Technology Services; Ipswich; On-site; GBP 65,000 - 90,000; Full time

Job summary

Flint UK Technology Services seeks a CPE Technical Investigation Engineer to join the Home Hub In-Life team. You will own complex issues from escalation to root cause, creating labs to reproduce real customer problems and driving resolution with suppliers and development teams.

You will analyze logs, perform lab testing, and work with firmware teams to validate fixes, while developing automation using Python in Linux environments and contributing to incident resolution across Home Hub and CPE

Qualifications

• Proven technical expertise in consumer devices, Embedded systems, and broadband CPE products.
• Strong practical experience testing and troubleshooting Home Hubs, gateways, or Embedded networking devices.
• Strong Python skills and a solid understanding of Linux.
• Solid understanding of TCP/IP Networking and broadband technologies.
• Good knowledge of Wi‑Fi standards, RF fundamentals, and Wi‑Fi chipset behaviour.
• Wi‑Fi chipset and driver troubleshooting.
• Broadband technologies including FTTP, IPv4/IPv6, Digital Voice, TR-069/TR-369.
• Core dump and crash analysis.
• Experience analysing technical logs, network captures, and system diagnostics.

Responsibilities

• Lead technical investigations into complex customer-impacting issues across Home Hubs, Wi-Fi systems, Digital Voice, and associated CPE products.
• Analyse logs, telemetry, packet captures, crash dumps, and customer evidence to identify likely causes of service failure.
• Design and execute laboratory test scenarios to rapidly reproduce field issues and validate hypotheses.
• Work closely with firmware development teams, chipset vendors, and suppliers to drive root cause analysis and defect resolution.
• Produce detailed technical reports, defect documentation, and reproduction steps to support prioritisation and fix development.
• Support major incidents and high-profile escalations by providing expert technical diagnosis and recommendations.
• Develop investigation tools and automation using Python and Linux-based environments.
• Validate fixes and improvements before deployment into the customer base.
• Identify trends and recurring failure modes across the Home Hub estate and proactively drive customer experience improvements.

Skills

Python

Linux

TCP/IP

Wi‑Fi

Embedded Systems

Jira

Git

GitLab

Lab Testing

Root Cause Analysis

Tools

Jira

Git

GitLab

Job description

Flint UK Technology Services seeks a CPE Technical Investigation Engineer to join the Home Hub In-Life team. You will own complex issues from escalation to root cause, creating labs to reproduce real customer problems and driving resolution with suppliers and development teams.

You will analyze logs, perform lab testing, and work with firmware teams to validate fixes, while developing automation using Python in Linux environments and contributing to incident resolution across Home Hub and CPE