Core Network Engineer

Job in Reading, Berkshire, RG1, England, UK

Listing for: March Recruitment

Full Time position
Listed on 2026-09-27

Job specializations:

Engineering
Systems Engineer, Test Engineer

Salary/Wage Range or Industry Benchmark: 60000 - 80000 GBP Yearly GBP 60000.00 80000.00 YEAR

Location: Reading and customer offices as required

Duration: Ongoing

Hours: Monday–Friday, 9am–5:30pm

Overview of an IMS Core Engineer

As an IMS Core Engineer, you will provide technical expertise across IMS Core, MCX, VoLTE, LTE and TETRA, supporting testing, troubleshooting and delivery. You’ll work closely with R&D, customers and partners to deliver projects to deliver secure, reliable mission critical solutions.

Responsibilities of an IMS Core Engineer

Lead functional, performance and end-to-end testing across IMS, LTE and TETRA.
Troubleshoot complex issues and perform root-cause analysis.
Manage upgrades, regression and lifecycle testing of VNF/VMware Core solutions.
Use tools to analyse network traces, system logs and performance data.
Manage test progress, defects, technical reports and customer issues.

Key Competencies of an IMS Core Engineer

Strong experience in IMS Core, IMS Voice/Video/Data and VoLTE.
Good knowledge of LTE, TETRA, 3

GPP and Mission Critical technologies.
Experience with tools including Wireshark, IXIA, Viavi, Spirent, XCAL, XCAP and QXDM.
Strong analytical, troubleshooting and communication skills.
Engineering degree or equivalent technical experience.
Willingness to support on-call and travel to customer locations when required.
Generous holiday entitlement, plus additional birthday leave and bank holidays.
Staff sales discount, Reward Plus shopping discount, and volunteering days.
Government pension auto-enrolment and pension contribution from 12 weeks.
Subsidized staff restaurant, onsite parking, and free shuttle bus service (from Weybridge & Woking Station)

March Recruitment is an equal opportunities employer and complies with all relevant UK legislation.