Technical Support Engineer

• Responsible for front line support activities, predominantly resolving tier-3 level requests through deployment and commercial operations
• Lead and instruct customers in basic procedures and basic support resolution
• Support customers in the removal, installation and upgrade of core software solutions
• Implement and suggest procedural improvements.
• Plan, design, develop, manage, document, test, deploy, and support new and existing customer facing procedures
• Plan, build and execute test scenarios to replicate customer network environments and problems

• 2+ years of experience in a commercial customer support environment, successfully resolving trouble ticket enquiries to tier-3 level
• 2+ years of experience of working with 4G or 5G Mobile Core network technologies; knowledge of 3GPP network layer protocols, analysing call flows, use of network analysis tools like Wireshark etc.
• Ability to analyse call traces of some or all of: ngap, s1ap, SIP, GTP, SCTP, Diameter, TCP, UDP, ICMP, IPv4, IPv6 and ARP.
• Linux systems experience of managing and troubleshooting
• Knowledge of TCP/IP protocols, network troubleshooting etc.
• Experience of testing software desirable.
• Experience and knowledge of software development lifecycles beneficial.

You will need to be a proactive individual who will relish the opportunity to work in a growing and evolving environment a real opportunity to make an impact and grow your career. This is an excellent and rare opportunity to be exposed to the latest technologies and diverse industry and environment applications, please apply ASAP to arrange an initial and informal conversation

Bristol, Gloucestershire - 40k - 50k Annual Generous Pension and Other Benefits GBP Full Time Posted by: Isero Ltd Posted: Tuesday, 25 November 2025 Technical Support Engineer Leading Edge 5G SA Networks - Core Mobile Network Technologies Flexible UK Remote A start-up technology provider of 5G Mobile Core network solutions. Utilising leading edge technologies, their solutions have been deployed across North America and Europe, including highly sensitive and critical communication environments. With recent funding and success, we are hiring for several roles, including this brand-new position supporting their most important System Integrator partnerships.