Senior Quality Assurance Engineer (Mobile Core Network)
AiraloPosted 5/6/2025
Senior Quality Assurance Engineer (Mobile Core Network)
Airalo
Job Location
Job Summary
Airalo is seeking a Senior Quality Assurance Engineer (Mobile Core Network) to join their remote-first team. As a member of the QA guild, you will create and improve the Telecom Core Network quality assurance strategy and framework. You will collaborate with stakeholders to define clear Acceptance Criteria, drive end-to-end quality validation, and execute comprehensive test activities. The ideal candidate has 5+ years in mobile telco QA, solid understanding of eSIM technology, and proficiency in analyzing signaling and user plane protocols. Airalo offers a range of benefits, including health insurance, work-from-anywhere stipend, annual wellness & learning credits, and an all-expenses-paid company retreat. The position is full-time and remote-first, with the opportunity to work internationally.
Job Description
About Airalo
Alo! Airalo is the world’s first eSIM store that helps people connect in over 200+ countries and regions across the globe. We are building the next digital service that revolutionizes the telecom industry. We are a travel-tech company and an equal-opportunity environment that values and executes diversity, inclusion, and equity. Our team is spread across 50+ countries and six continents. What glues us together is our commitment to changing the way you connect.
About you
We hope that you care deeply about the quality of your work, the intrinsic worth of tasks, and the success of your team. You are self-disciplined and do not require micromanagement in terms of your skillset and work ethic. You do your best to flourish as an individual every day while working hard to foster a collaborative team environment. You believe in the importance of being — and staying — authentic, honest, positive, and kind. You are a good interlocutor with clear and concise communication. You are able to manage multiple projects, have an analytical mind, pay keen attention to detail, and love to get your hands dirty. You are cognizant, tolerant, and welcoming of vulnerabilities and cultural differences.
About the Role
Position: Full-time / Employee
Location: Remote-first
Benefits: Health Insurance, work-from-anywhere stipend, annual wellness & learning credits, annual all-expenses-paid company retreat in a gorgeous destination & other benefits
We are looking for an experienced Senior QA engineer who will create and improve the Telecom Core Network quality assurance strategy and framework. As a member of our QA guild, you will be immersed in the Core Network team to maximize the quality of the team’s deliveries and minimize regression risks.
Responsibilities include but are not limited to:
- Develop and implement test strategies covering all functional and non-functional aspects.
- Collaborate with stakeholders to define clear Acceptance Criteria.
- Drive end-to-end quality validation across all components.
- Execute comprehensive test activities (planning, design, execution, reporting) for various test types (Functional, Regression, Performance, Integration, E2E, Acceptance).
- Produce test documentation and release notes.
- Establish and report on key quality metrics.
- Work with Project Management to ensure quality and timely vendor deliveries.
- Partner with technical teams to address bugs, validate requirements, and enhance test automation.
- Perform field testing for critical roaming scenarios (travel may be involved).
Must-haves
- 5+ years in mobile telco QA.
- 3+ years in enterprise software deployment/integration QA.
- Solid understanding of eSIM technology.
- Familiarity with RAN, Mobile Core, and OSS/BSS.
- Knowledge of Mobile Roaming use cases.
- Proficiency in analyzing signaling and user plane protocols (SS7-CAP/MAP, Diameter, AAA, SMPP3.4, Gi, Gn, Sn, SIP) and APIs (SOAP, REST, WebHooks).
- Understanding of High Availability concepts.
- Experience with traffic simulators and test automation.
- A proactive problem-solver with a keen eye for detail.
- Excellent written and spoken English.
- Experience working internationally.
- Experience with a Mobile Carrier, Mobile Core Vendor, or Telco Service Supplier is a strong plus.
If you are interested in this position, please apply via the link.
Please note that our Engineering team works in the CET timezone, so candidates will need to reside in countries with the same time zone or similar to it and will need to already have permit to work in the country where they are based.
We sincerely thank all applicants in advance for submitting their interest in this opportunity. Airalo is an equal opportunity employer and values diversity, equity & inclusion. We do not discriminate on the basis of race, religion, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We are committed to providing reasonable accommodations upon request for individuals with disabilities throughout our job interview process.
