Location – Borehamwood (You will need to be in the office 5 days a week)

About the role

The successful candidate must be willing to undergo BPSS-level government screening, which requires at least three years of continuous residence in the UK.

What you’ll be doing

• Own the technical delivery of assigned Emergency Services Network devices and services from initial scope through testing, approval and handover.
• Translate customer, contractual and technical requirements into clear acceptance criteria, test scope and delivery plans.
• Coordinate device onboarding and assurance activities, including UDTAS, MCX-related validation where required, network integration and service readiness.
• Review device capabilities, configurations, logs and test evidence across 4G and 5G, IMS and VoLTE, data, messaging, emergency calling and mission-critical service use cases.
• Plan and support laboratory, field and supplier test activity. Confirm that environments, devices, SIMs, software, network features and resources are ready before execution.
• Investigate technical issues with device manufacturers, chipset vendors, application teams, network teams and test partners. Drive root-cause analysis and agree practical recovery actions.
• Manage defects through triage, prioritisation, evidence capture, retest and closure. Escalate risks that could affect safety, service, schedule, cost or contractual commitments.
• Assess software, firmware, configuration and network changes for impact on approved devices and regression scope.
• Maintain accurate technical records, decisions, risks, dependencies, test results and approval evidence in the agreed delivery tools and repositories.
• Provide concise status updates and recommendations to delivery leads, governance forums and senior stakeholders.
• Support continuous improvement of device assurance processes, test coverage, tooling and ways of working.
• Build trusted working relationships across BT, the customer, suppliers and delivery partners, while protecting confidential and security-sensitive information.

Essential Skills / Experience

• Strong experience delivering or assuring mobile devices, applications or telecommunications services within a complex technical environment.
• Good technical knowledge of LTE/5G networks, including IMS, VoLTE, packet data, APNs, SIM/USIM behaviour and device-to-network signalling.
• Experience developing test plans, acceptance criteria and technical recommendations, with the ability to analyse logs, network traces, defects and test results to drive resolution.