Bromley Business Centre, 27 Hastings Road, Bromley, Kent BR2 8NA, UK

4G/5G RAN Lab Engineer/Architect

Job Description – 4G/5G RAN Lab Engineer/Architect

Experience: 10+ years
Strong knowledge in 3GPP Release-15+ RAN specifications, service requirements and architecture of 5G-NR network SA and NSA modes.
Strong knowledge in oRAN/vRAN architecture split options.
Good understanding of the O-RAN Architecture, including the nRT-RIC-CU-DU interfaces.
Excellent understanding of LTE MAC, RLC, PDCP, RRC, S1AP, X2AP, SON.
Strong Knowledge of LTE/LTE-A, Virtual RAN Feature, performance, stability, KPI and Mobility.
Hands-on experience on Cloud infrastructure and RAN deployment in virtualized environment.
Experience in developing LAB environment for RAN integration and evaluations
Expertise in new LAB Build infrastructure, design and planning.
Experience in lab and field-testing, provide test data analysis and generate the reports.
Experience in develop test plan and procedure documents.
Able to perform field site build verifications and acceptance process.
Strong Experience with testing tools such as X-CAL, X-CAP, Wireshark and iPerf.
Experience in handling test equipments: Spectrum Analyzer, Automation systems, Simulators, etc.,
Hands on experience in e2e test execution, log collection and issue reporting.
Familiarity with GIS tools Such as MapInfo and Google Earth.
Basic knowledge of cloud native technologies – Kubernetes and containerized applications.
Understanding of networking concepts DNS, DHCP, IP connectivity, VLAN, subnetting and IPsec will be an added advantage.
Responsible for architecture of end to end deployable 4G/5G O-RAN solutions.
Helps in identifying testing strategies and test plan development.
Review detailed design and validation plan.
Ensure customer facing product documentation content and quality meeting the delivery requirements.
Drive face to face meetings with customer.

Security Architect – Platform

Experience: 8-10 years
Hands on experience in deploying and managing applications like DHCP, DNS, NTP, Iperf, Jump server, SMTP, Repo server, etc.
Knowledge on different Operating systems like Windows, Linux, Redhat.
Good knowledge of LAN, WAN, DMZ, IP addressing and network connectivity.
Experience in creating HLD / LLD documents.
Experience in Configuration and Troubleshooting the FAILOVER of various systems to provide high availability.
Good understanding of heterogeneous multi technology IT environments, inter-operability issues, customer industry specifics issues in IT environment, critical business process and functions of customers.
Experience in upgrading Operating Systems and related application / software.
Experience in providing resolution for network faults, enhancements and modifications to networks.
Good communication skills and able to present weekly/monthly status report to customer
Analyze, develop and evaluate network design and architecture specifications.
Prepare network design and architecture specifications
Implement and administer platform services like NTP, DNS, DHCP, Speed test, Repo server, Jump server, Iperf, SMTP etc.
Prepare Capacity reports for the security devices.
Maintain Inventory of all computer network devices and update as and when needed.
Maintain backup of all network devices, and store Database of network device to central location. Troubleshooting experience on handling P1/P2 incidents