Mobile Support Engineer

TL;DR

Mobile Support Engineer (Telecom): Monitor, troubleshoot, and escalate real-time core network and infrastructure issues for mobile services with an accent on L3 fault investigation, signalling trace analysis, and KPI/SLA-driven performance restoration. Focus on end-to-end call trace debugging across 2G/3G/4G/5G protocols, international roaming issue resolution, and coordinating live tests with worldwide operator engineers.

Location: Remote

Company

hirify.global is a telecom company building and operating mobile network services.

What you will do

• Monitor telecom network health, detect issues, and troubleshoot core network/infrastructure faults.
• Perform L3-level incident handling by analyzing end-to-end signalling and call traces across multiple protocols and interfaces.
• Investigate and resolve international roaming voice and data issues reported by outbound subscribers.
• Create and use dashboards to track key metrics and validate service restoration after failures.
• Support NOC engineers and coordinate fault rectification with operators and service providers, including escalation management.
• Represent the telecom team in the country by liaising with MNOs and participating in live tests and root-cause analysis.

Requirements

• 10+ years of experience in a telecom environment performing L3 support (or equivalent).
• Strong understanding of mobile networks 2G/3G/4G/5G and protocol signalling troubleshooting (including SS7).
• Solid knowledge of OSI model and TCP/IP networking (IPv4 and IPv6).
• Hands-on ability to analyze signalling traces using Wireshark and troubleshoot across relevant interfaces/protocols.
• Experience with monitoring/observability tools such as Grafana, Prometheus, and Elasticsearch.
• Ability to work a 24/7 on-call rotating roster and communicate effectively in English (written and spoken).

Culture & Benefits

• Remote work setup.
• 24/7 on-call rotation as part of incident response responsibilities.
• Opportunity to learn mobile telecom networks by working with experienced telecom and engineering specialists.
• Inclusive workplace commitment with equal opportunity for applicants.