Application Support Engineer - EMSP Roaming
Core
Operational specialist for EMSP roaming, managing transaction flows, performance, and incident resolution across Circle K's EV charging network to ensure interoperability with external providers.
Role type
Application Support Engineer (EMSP Roaming)
Builds
EV charging network interoperability and transaction reliability
Domain
Electric Vehicle (EV) Charging / Roaming Operations / Fintech
Deliverable
client delivery
Required skills
System integrations, APIs, backend platforms, EV protocols (OCPP, OCPI), structured incident management, performance analysis, root cause analysis, cross-system environment management
Preferred skills
Roaming Hubs setup knowledge, change management, process improvement
Technologies
OCPI, OCPP, Control Tower
Responsibilities
Monitor and manage roaming transaction flows (authorization, start/stop, billing), own and track roaming performance KPIs (TSR, Plug-in Success), identify and resolve roaming-related issues across EMSP/CPO/backend systems, perform structured diagnostics across integrations and payment flows, take end-to-end ownership of roaming incidents, support onboarding and validation of new roaming partners, contribute to RCA and long-term fixes, ensure SLA adherence and partner performance follow-up, support change and release processes
Seniority
Mid-level (2–5+ years experience), hands-on IC