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Quality Assurance Engineer

21 hours, 28 minutes ago
United Kingdom, Spain
Full-time
Senior
QA Engineer
Quality Assurance and Testing
CI/CD DNS Python Wireshark
Apply Now
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
51-200
Founded 2019
$67M raised
View All Jobs 4

Description

  • Design and maintain IREG-based test campaigns for roaming partners, network changes, and service launches across Data, Voice, and SMS.
  • Manage test SIM and eSIM fleets, remote test probes, campaign configuration, scheduling, execution, reporting, and coverage history.
  • Build repeatable automated test pipelines and integrate smoke and regression suites into CI/CD with clear release gates.
  • Define service-health KPIs, baselines, and thresholds, correlating synthetic tests with production performance and customer journeys.
  • Create actionable alerts and operational runbooks based on testing and monitoring findings.
  • Test geo-redundancy, failover and failback, network-path recovery, session survival, and post-switch data consistency.
  • Validate core-platform capacity under sustained load and signalling bursts.
  • Analyze PCAP, MAP/SS7, Diameter, GTP, and DNS traces 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.
  • Knowledge of LTE/EPC architecture and ability to troubleshoot registration and session flows.
  • Strong hands-on Wireshark experience.
  • Ability to develop test automation in Python or a similar language.
  • Experience maintaining regression suites in CI/CD.
  • Comfort communicating in English in meetings and asynchronous collaboration.
  • Experience with a roaming hub, IPX provider, mobile operator, or MVNO and partner interoperability testing (preferred).
  • Experience managing SIM boxes or remote testing probes (preferred).
  • Exposure to 5G roaming, VoLTE roaming, S8HR, and SMS over IP (preferred).
  • Familiarity with HSS/HLR, PCRF, OCS, and GSMA roaming procedures and documents such as IR.21, IR.24, IR.35, IR.38, and IR.92 (preferred).

Benefits

  • Fully remote work environment.
  • Full-time, permanent employment.
  • Benefits package available through Airalo's benefits program.
  • Opportunities to learn, take on new challenges, and make an impact in a global team.

Interested in this position?

Apply directly on the company website

Apply Now

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