Technical Investigation Engineer - Broadband & CPE

Marshall Wolfe; Ipswich; On-site; GBP 45,000 - 65,000; Full time

Job summary

Marshall Wolfe is seeking a Technical Investigation Engineer to join our Home Hub In-Life team. You will own complex broadband CPE faults, recreate real-world issues in labs, and drive fixes with firmware and supplier teams.

The role focuses on identifying root causes in home broadband routers, Wi‑Fi devices, and connected hardware, with emphasis on analysis, automation, and clear technical reporting to stakeholders.

Qualifications

• Experience with broadband CPE, routers, Home Hubs, or embedded networking devices.
• Strong troubleshooting and root cause analysis skills.
• Good understanding of TCP/IP networking and broadband technologies.
• Experience with Wi‑Fi, RF fundamentals and wireless troubleshooting.
• Strong Linux knowledge and Python scripting experience.
• Familiarity with packet capture and network analysis tools such as Wireshark.
• Experience analysing system logs, crash dumps, and diagnostic data.
• Knowledge of FTTP, IPv4/IPv6, Digital Voice, TR-069 and TR-369 is a plus.
• Experience working with Jira, Git, GitLab, and automated test frameworks.

Responsibilities

• Lead investigations into complex broadband, Wi‑Fi, Digital Voice, and Home Hub related issues.
• Analyse logs, telemetry, packet captures and diagnostic data to determine root causes.
• Design and execute lab-based tests to reproduce and isolate faults.
• Collaborate with firmware engineers, chipset vendors and suppliers to resolve defects.
• Produce detailed technical reports, defect documentation and reproducible test cases.
• Support major incidents and technical escalations with expert input.
• Develop automation and investigation tooling using Python and Linux.
• Validate firmware fixes before deployment to live environments.
• Identify recurring trends and drive improvements to customer experience.

Skills

Broadband testing

TCP/IP networking

Linux

Python scripting

Root cause analysis

Wi‑Fi troubleshooting

Lab testing

Technical reporting

Reproduction of faults

Automation tooling

Tools

Wireshark

Jira

Git

GitLab

Job description

Marshall Wolfe is seeking a Technical Investigation Engineer to join our Home Hub In-Life team. You will own complex broadband CPE faults, recreate real-world issues in labs, and drive fixes with firmware and supplier teams.

The role focuses on identifying root causes in home broadband routers, Wi‑Fi devices, and connected hardware, with emphasis on analysis, automation, and clear technical reporting to stakeholders.