At a Glance
- Tasks: Design and validate eSIM profiles, test devices, and manage global connectivity.
- Company: Join Airalo, the world's first eSIM store revolutionising telecom for travellers.
- Benefits: Enjoy health insurance, remote work perks, and an all-expenses-paid company retreat.
- Other info: Be part of a diverse team across 50+ countries, fostering collaboration and innovation.
- Why this job: Make a real impact in global connectivity while working with cutting-edge technology.
- Qualifications: 3+ years in mobile device configuration and OTA testing; fluent English required.
The predicted salary is between 36000 - 60000 £ per year.
About Airalo
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 revolutionises 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
The eSIM & Device Engineer will join our Core Networks Engineering team. They will be a dedicated specialist focused on Device setting management, driving our mission toward global connectivity!
Your Main Responsibilities Will Be:
- Design and validate eSIM Electrical Profiles (MVNO/Roaming) following GSMA SGP.22 standards.
- Rigorously test the Local Profile Assistant (LPA) behaviour on the latest flagships (iPhone 16, Samsung S24, Pixel 9) to ensure flawless Remote SIM Provisioning.
- Plan and execute Over-the-Air (OTA) campaigns to update eUICC file systems and steering logic for devices already deployed globally.
- Use tools like COMPRION or UL SIMtester to analyse APDU logs and debug communication failures in Remote File Management (RFM).
- Verify Steering of Roaming (SoR) logic on global testbeds, ensuring our users always land on the fastest partner network.
- Minimise profile sizes to guarantee fast downloads over 3G, 4G, and 5G network conditions.
Must Haves:
- 3+ years in mobile device configuration, OTA testing, and managing carrier settings (VoLTE, VoWiFi, APNs).
- Deep knowledge of Apple Carrier Bundles and Android network settings (GSMA NSX).
- Comfortable navigating EF structures (ICCID, IMSI, PLMN) and analysing TLS‑secured profile downloads.
- Experience working at a Tier 1 Carrier, an MVNO, or a top‑tier eSIM vendor (G+D, Thales, IDEMIA).
- Familiarity with Subscription Management orchestration and a "problem‑solver" mindset for niche global hardware.
- Fluent English is essential for collaborating across our 50+ country remote team.
Nice To Have:
- Remote testing (e.g. Segron, Mobilium) experience.
- Experience with OTA systems e.g. Thales.
- Knowledge of mobile network call flows (signalling) for 4G and 5G.
- Scripting languages (e.g. python).
If you are interested in this position, please apply via the link. By applying, you acknowledge and agree that, in case of successful application, Airalo may request to run background checks as a condition for entering into an agreement with you. Rest assured that these checks will only occur upon your prior consent and at the end of the selection process, and will be strictly limited to what is allowed under the laws that are applicable to you. All data that you share or that we collect in connection with such checks will be processed in accordance with our Privacy Policy.
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. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analysing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgement. Final hiring decisions are ultimately made by humans.
eSIM & Device Engineer employer: Airalo
Airalo is an exceptional employer that champions a remote-first work culture, offering employees the flexibility to work from anywhere while enjoying comprehensive benefits such as health insurance, wellness credits, and an annual all-expenses-paid retreat in stunning locations. With a strong commitment to diversity, inclusion, and employee growth, Airalo fosters a collaborative environment where innovative minds can thrive and contribute to revolutionising global connectivity through cutting-edge technology.
StudySmarter Expert Advice🤫
We think this is how you could land eSIM & Device Engineer
✨Tip Number 1
Network like a pro! Reach out to folks in the industry, especially those already at Airalo. A friendly chat can open doors and give you insider info that could make your application stand out.
✨Tip Number 2
Prepare for the interview by diving deep into eSIM technology and Airalo's mission. Show us you’re not just another candidate; demonstrate your passion for revolutionising connectivity and how you can contribute to our team.
✨Tip Number 3
Practice your communication skills! Since we value clear and concise dialogue, consider doing mock interviews with friends or using online platforms to refine your pitch and responses.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re serious about joining our diverse and inclusive team.
We think you need these skills to ace eSIM & Device Engineer
Some tips for your application 🫡
Show Your Passion:When writing your application, let your enthusiasm for the eSIM and telecom industry shine through. We want to see that you genuinely care about the work you do and how it impacts global connectivity.
Tailor Your CV:Make sure to customise your CV to highlight relevant experience in mobile device configuration and OTA testing. We love seeing how your skills align with our needs, so don’t hold back on showcasing your expertise!
Be Clear and Concise:In your written application, keep your communication clear and to the point. We appreciate good interlocutors who can convey their thoughts effectively, so avoid fluff and get straight to the important stuff.
Apply Through Our Website:Don’t forget to apply via our website! It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it’s super easy to do!
How to prepare for a job interview at Airalo
✨Know Your eSIM Stuff
Make sure you brush up on your knowledge of eSIM technology and the GSMA SGP.22 standards. Familiarise yourself with the latest devices like iPhone 16 and Samsung S24, as you'll likely be asked about your experience with them during the interview.
✨Show Off Your Problem-Solving Skills
Prepare to discuss specific challenges you've faced in mobile device configuration or OTA testing. Think of examples where you had to troubleshoot issues or optimise processes, as this will demonstrate your analytical mindset and problem-solving abilities.
✨Communicate Clearly
Since clear communication is key for this role, practice explaining complex technical concepts in simple terms. You might be asked to describe how you would approach a project or explain a technical issue, so being concise and articulate will work in your favour.
✨Emphasise Team Collaboration
Airalo values a collaborative environment, so be ready to share experiences where you worked effectively within a team. Highlight how you contributed to team success and how you handle cultural differences, as this aligns with their commitment to diversity and inclusion.
