POS System Support Engineer
Core
Provide second-line technical support for payment terminals and POS systems to ensure reliable transaction processing for merchants, banks, and acquirers.
Role type
Senior IC POS System Support Engineer
Builds
Reliable payment transaction flows and terminal uptime for merchants and financial institutions
Domain
Payments / Fintech / Retail
Deliverable
client delivery
Required skills
TCP/IP networking, SQL queries, log analysis, Linux/Windows administration, EMV/PCI DSS basics, incident management, remote troubleshooting
Preferred skills
ISO 8583/SPDH protocols, Python/Bash scripting, POS terminal hardware experience
Technologies
TMS, Ethernet, Wi-Fi, GPRS/4G, routers, firewalls, VPNs
Responsibilities
Diagnose and resolve transaction failures (declines, timeouts, settlement issues), configure and update terminals remotely, support installations and migrations, troubleshoot network connectivity, coordinate hardware repairs and replacements, document incidents and root causes, report recurring problems for product improvement.
Seniority
Mid-level, hands-on IC
