Position: IMS Core Engineer Location: Reading and customer offices as required Salary: On Application Duration: Ongoing Hours: Monday–Friday, 9am–5:30pm

Overview of an IMS Core Engineer As an IMS Core Engineer, you’ll be part of a specialist technical team responsible for testing, validating, and supporting mission critical communication solutions. This role is key to ensuring the performance, availability, and reliability of IMS Core services across Core, RAN, and Application layers. You’ll work closely with test, support, and delivery teams to ensure systems meet customer expectations, contractual milestones, and service level agreements.

Responsibilities of an IMS Core Engineer • Provide technical expertise in IMS Core and MCX, supporting the definition and execution of test strategies for all network elements and software releases. • Define and execute Functional, Performance, Accessibility, and Compatibility testing to agreed project timelines. • Perform end-to-end testing, deep dive analysis, and root cause investigation across LTE and TETRA networks. • Execute software upgrades, regression testing, and lifecycle testing on VNF-based Core nodes deployed on VMware architecture. • Track test progress, manage defects, and maintain detailed test execution reports and performance logs. • Support integration and client testing environments, providing technical analysis, logs, and...