Core Engineer

As an MCX Engineer, you'll be part of a specialist team responsible for testing, validating, and delivering mission critical communication solutions. This role plays a key part in ensuring the performance, reliability, and availability of products and services across Core, RAN, and Application layers. You'll work within a highly skilled technical team, collaborating across design, test, and delivery to ensure systems meet customer expectations, contractual milestones, and service level agreements., * Provide technical expertise in IMS and MCX, supporting test strategy and execution for all network elements and software releases.

• Execute Functional, Performance, Accessibility, and Compatibility testing to defined project timelines.
• Analyse and troubleshoot issues across LTE and TETRA networks, ensuring root cause resolution within SLAs.
• Manage defect tracking, maintain test progress reports, and provide detailed documentation of outcomes.
• Support client and application testing environments, including sandbox testing and R&D collaboration.

• Strong background in 4G/5G Core technologies, particularly voice, video, and data services.
• Experience with MCX Client applications and SDKs across Android, iOS, Linux, and Windows platforms.
• Proficiency in LTE testing tools such as Wireshark, QXDM, XCAL, IXIA, Spirent, and Jira.
• Knowledge of 3GPP specifications, Mission Critical features, and VNF architecture deployments.
• Excellent analytical and problem-solving skills with the ability to communicate technical findings clearly.
• Degree in Computer Science, Electronics, Telecommunications, or equivalent professional experience.
• Flexibility to work 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)