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For Companies 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: Health insurance, remote work stipend, wellness credits, and an all-expenses-paid company retreat.
- Why this job: Be part of a diverse team changing how people connect globally.
- Qualifications: 3+ years in mobile device configuration and OTA testing; fluent English required.
- Other info: Remote-first culture with opportunities for personal and professional growth.
The predicted salary is between 30000 - 50000 £ 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:
- 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).
- You are comfortable navigating EF structures (ICCID, IMSI, PLMN) and analysing TLS-secured profile downloads.
- You likely have 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.
eSIM & Device Engineer - Core Networks employer: Traveltechessentialist
Contact Detail:
Traveltechessentialist Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land eSIM & Device Engineer - Core Networks
✨Tip Number 1
Network like a pro! Reach out to folks in the industry, especially those already at Airalo. A friendly chat can give you insights and maybe even a referral. Remember, it’s all about who you know!
✨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 your skills align with our goals.
✨Tip Number 3
Practice your communication skills! Since we value clear and concise dialogue, rehearse explaining your past projects and experiences in a way that highlights your analytical mind and attention to detail.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, it shows us you’re genuinely interested in being part of our diverse and inclusive team.
We think you need these skills to ace eSIM & Device Engineer - Core Networks
Some tips for your application 🫡
Tailor Your Application: Make sure to customise your CV and cover letter for the eSIM & Device Engineer role. Highlight your relevant experience in mobile device configuration and OTA testing, as this will show us that you understand what we're looking for.
Show Your Passion: Let your enthusiasm for the telecom industry shine through! We love seeing candidates who are genuinely excited about revolutionising connectivity and have a clear vision of how they can contribute to our mission at Airalo.
Be Clear and Concise: When writing your application, keep it straightforward. Use clear language and avoid jargon unless it's relevant. We appreciate good communication skills, so make sure your application reflects that!
Apply Through Our Website: Don't forget to submit your application via our website! This helps us keep everything organised and ensures your application gets the attention it deserves. We can't wait to hear from you!
How to prepare for a job interview at Traveltechessentialist
✨Know Your Tech Inside Out
Make sure you brush up on your knowledge of eSIM technology, especially GSMA SGP.22 standards and the latest devices like iPhone 16 and Samsung S24. Being able to discuss specific technical details will show that you're not just familiar with the concepts but can also apply them practically.
✨Showcase Your Problem-Solving Skills
Prepare examples of how you've tackled complex issues in mobile device configuration or OTA testing. Airalo values a 'problem-solver' mindset, so be ready to share your thought process and the steps you took to resolve challenges in previous roles.
✨Communicate Clearly and Concisely
Since you'll be working with a diverse team across 50+ countries, practice articulating your thoughts clearly. Use straightforward language when discussing technical topics, and be prepared to explain complex ideas in a way that's easy for anyone to understand.
✨Emphasise Team Collaboration
Airalo is all about fostering a collaborative environment. Be ready to discuss how you've worked effectively within teams in the past, highlighting your ability to manage multiple projects while being supportive and inclusive of your colleagues.
