MCX / 5G / LTE Testing Contractor

Job Title: MCX / 5G / LTE Testing Contractor
Location: Cambridge - fully onsite (North of Cambrideg)
Contract: Circa 9 months
Type: Contract, Outside IR35
Rate: £55p/h

We are looking for an experienced MCX / 5G / LTE Testing Contractor to join a high-impact engineering team working on next-generation MCX solutions. This is a hands-on testing role focused on the end-to-end manual testing of MCX user call features across advanced telecoms environments. You will work across technologies including 4G/5G, IMS, SIP and MCX, contributing to the testing and validation of solutions designed to support mission-critical communications. No sponsorship opportunities

Key Responsibilities

• Perform end-to-end manual testing of MCX user call features
• Develop and execute test strategies for MCX client and application solutions
• Perform functional, performance, accessibility and compatibility testing
• Test across relevant telecoms environments including LTE, IMS and SIP
• Analyse logs and troubleshoot issues across IMS, SIP, RTP, Diameter, LTE and TETRA
• Support sandbox testing and client development activities
• Contribute to testing activities supporting certification readiness
• Collaborate with engineering and delivery teams to achieve project milestones
• Manage and investigate technical issues and trouble tickets
• Provide technical support to customers and partners where required

Essential Skills & Experience

• Strong experience with 4G/5G
• Strong understanding of IMS
• Experience with SIP
• Experience testing MCX / Mission Critical Communications
• Hands-on experience of manual end-to-end testing
• Experience testing user call features
• Ability to analyse technical logs and troubleshoot issues across telecoms environments

Desirable Experience

• Familiarity with 3GPP specifications
• Experience with Wireshark and log analysis
• Experience with Valid8 testing
• Experience with MCX client applications across Android, iOS, Linux and/or Windows
• Experience with testing tools including QXDM, IXIA, Spirent, XCAL, Jira and HPQC
• Knowledge of VNF deployments on VMware
• Experience with OTA/EMM client software delivery
• Familiarity with GCF certification standards
• Experience across RAN, Core and MCPTX environments

An engineering degree or equivalent experience in Telecommunications, Computer Science or Electronics would be beneficial.

The successful contractor will be comfortable working in a technical, hands-on testing environment and collaborating closely with engineering and delivery teams.

£70000 - £95000 per annum, Benefits: Listed in JD