Quality Assurance Engineer

1 day, 6 hours ago
Full-time
Senior
Quality Assurance and Testing
Airalo

Airalo

Airalo is the world's first eSIM store offering travelers access to eSIMs in 200+ countries & regions at affordable prices. With Airalo, travelers can manage their eSIMs, top up on the go, and enjoy pain-free connectivity while traveling. Say goodbye t...

Airlines
51-250
Founded 2019
$67M raised

Description

  • Design and maintain IREG-based test campaigns for roaming partners, network changes, and service launches across Data, Voice, and SMS.
  • Manage test SIM/eSIM fleets, remote probes, campaign configurations, schedules, execution, reporting, and coverage history.
  • Build repeatable test pipelines and integrate smoke and regression suites into CI/CD with clear release gates.
  • Define service-health KPIs, baselines, and thresholds; correlate synthetic tests with production metrics and customer journeys.
  • Create alerts and operational runbooks based on testing and production analysis.
  • Test geo-redundancy, site failover and failback, Diameter and GTP recovery, session survival, data consistency, and platform capacity under sustained and burst loads.
  • Analyze PCAP, MAP/SS7, Diameter, GTP, DNS, and monitoring data to isolate failures, support root-cause analysis, validate fixes, and expand regression coverage.

Requirements

  • Experience in telecom QA, network testing, service assurance, or roaming validation.
  • Strong understanding of LTE/EPC registration and session flows.
  • Proficiency with Wireshark for network trace analysis.
  • Ability to develop test automation in Python or a similar language.
  • Experience maintaining regression suites in CI/CD environments.
  • Experience with roaming hubs, IPX providers, mobile operators, or MVNOs and partner interoperability testing (preferred).
  • Hands-on experience managing SIM boxes or remote testing probes (preferred).
  • Exposure to 5G roaming and VoLTE roaming, including S8HR and SMS over IP (preferred).
  • Familiarity with HSS/HLR, PCRF, and OCS functions and GSMA roaming documents including IR.21, IR.24, IR.35, IR.38, and IR.92 (preferred).
  • Comfort communicating in English in meetings and asynchronously; willingness to undergo consent-based, legally compliant background checks if selected.

Benefits

  • Fully remote work environment.
  • Full-time, permanent employment.
  • Opportunity to work with a global team across 60+ countries.
  • Learning and career-growth opportunities in a rapidly growing travel connectivity company.
  • Benefits package provided by Airalo.
  • Equal-opportunity employer with reasonable accommodations available during the interview process.

Interested in this position?

Apply directly on the company website

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