Does Callsign sponsor Skilled Worker visas?
Callsign matched the UK Home Office sponsor register when these roles were ingested. Confirm sponsorship for a specific vacancy directly with the employer before applying.
Callsign is currently hiring on FindSponsorJobs across IT (2).
Live Callsign roles
Technical Support Engineer
Callsign
Manchester, Greater Manchester
Our Customer Support Engineers are the first point of contact for clients needing support across Callsign's products and services. This role delivers efficient, high-quality support via phone, email and chat, using a ticketing system to manage and prioritise requests. Working closely with internal 2nd and 3rd line technical teams, the Technical Support Engineer ensures timely issue resolution and clear customer communication. The role includes participation in an on-call rota and the ideal cand…
Senior Experience Engineer (FTC)
Callsign
London, UK
The Experience team owns the human-facing side of Callsign: the client portal, our demo and client management platform (one platform for the whole client journey, from first demo through to proof of concept, onboarding, integration, analysis and ongoing management), the data-product UIs, and the design system and engineering standards behind all of it. This position is offered as a 12 month fixed-term contract with the successful candidate ideally joining in 2026. The candidate will already nee…