2 of 2 Remote/Hybrid MOS Jobs in London

Management Build effective relationships with internal stakeholders and strategic suppliers Support shift roster arrangements to ensure appropriate application coverage Qualifications: ITIL Foundation certification Microsoft Office Specialist: Associate (Office 365) You will join a collaborative and professional technology team committed to service excellence, ownership, and continuous improvement. We offer a supportive ...

media policy, topology hiding, codec interworking, registration throttling, DoS protection. · Tune call-handling capacity (CPS, concurrent sessions), monitor jitter/packet loss/MOS, and resolve one-way audio, ghost calls, registration storms, and SIP loops. SIP Troubleshooting & Diagnostics · Perform live and forensic SIP tracing using HOMER/sipcapture, sngrep … upstream carriers and tier-1 wholesalers. · Own carrier onboarding, IP whitelisting, codec/profile alignment, and signalling testing. · Coordinate with carriers on incident triage, MOS degradation, FAS, and trunk failover. Routing, Numbering & Number Management · Maintain and evolve LCR (Least Cost Routing) logic, prefix tables, and routing policies across multiple carriers. ...