CPE Technical Investigator: Root-Cause Engineer (Home Hubs)

Rubicon Consulting; England; On-site; GBP 92,000 - 120,000; Full time

Job summary

Rubicon Consulting is recruiting a CPE Technical Investigation Engineer for a 6-month rolling contract based in Suffolk. You will lead investigations into Home Hubs and CPE devices, reproduce field issues in labs, and collaborate with firmware teams and suppliers to resolve problems.

The role requires strong Python and Linux skills, TCP/IP networking knowledge, and experience with logs, network captures, and test automation. Excellent communication with engineers and stakeholders is essential.

Qualifications

• Proven technical expertise in consumer devices, embedded systems, and broadband CPE products.
• Strong Python skills and a solid understanding of Linux.
• Strong understanding of TCP/IP networking and broadband technologies.
• Good knowledge of Wi-Fi standards, RF fundamentals, and Wi-Fi chipset behaviour.
• Experience with Jira, Git, GitLab, and automated test frameworks.

Responsibilities

• Lead technical investigations into complex customer-impacting issues across Home Hubs and 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 reproduce field issues and validate hypotheses.
• Work 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 for prioritisation and fixes.
• Support major incidents and escalations with expert technical diagnosis and recommendations.
• Develop investigation tools and automation using Python and Linux environments.
• Validate fixes before deployment and identify trends to improve customer experience.

Skills

Embedded systems

Python

Linux

TCP/IP networking

Wi-Fi

Diagnostics

Troubleshooting

Root-cause analysis

Log analysis

Network captures

System diagnostics

Jira

Git

GitLab

Automation

Tools

Jira

Git

GitLab

Automation frameworks

Job description

Rubicon Consulting is recruiting a CPE Technical Investigation Engineer for a 6-month rolling contract based in Suffolk. You will lead investigations into Home Hubs and CPE devices, reproduce field issues in labs, and collaborate with firmware teams and suppliers to resolve problems.

The role requires strong Python and Linux skills, TCP/IP networking knowledge, and experience with logs, network captures, and test automation. Excellent communication with engineers and stakeholders is essential.