Core Network Lead
Help Us Build The Future of Travel
At Airalo, we're making it easier for people to stay connected wherever they travel. As the world's first eSIM store, we help millions of travelers access affordable mobile data in 200+ countries and regions around the world.
Today, we're a team of 400+ people across 60+ countries, building a product used by travelers every day. We've grown quickly, but we've worked hard to keep what matters: trust, ownership, and the freedom for people to do great work without unnecessary layers or bureaucracy.
We're fully remote by design, genuinely global, and united by a shared mission to make travel simpler for everyone.
Your Next Destination
- Location: Remote.
- Contract: Full-time, permanent.
- Benefits: Learn more about our benefits here in this link - https://airalo-public.notion.site/Benefits-25396a97ffca81fb9bc1f0be479f1be3?pvs=74
- Languages: English is our main working language day to day, so you'll need to be comfortable communicating in it both in meetings and async.
We are looking for a highly skilled, hands-on Technical Team Lead to lead the global build and technical integration of Full MVNO systems. In this role, you will lead a dedicated Build Team responsible for architecting, integrating, testing, and commissioning end-to-end Full MVNO capabilities across global markets.
Operating under a Build-to-Run model, you and your team will build new MVNO capabilities and host MNO integrations from the ground up, execute rigorous testing, and hand over stable, operational systems to a dedicated Run team after launch. This role is ideal for someone with deep technical expertise in Mobile Core networks across voice, VoLTE, data, and SMS, strong knowledge of telecommunications regulations, and experience leading engineering and QA teams.
At Airalo, we believe in roaming-free recruitment. Just as we provide clear connectivity for travelers, we provide clear salary ranges for our candidates. 🌍
This role is remote and open to candidates across our supported locations in Europe. The range below reflects the full salary range for this role across the countries where it's available:
📍 UK: £89,600 – £128,800 📍 Ireland: €76,800 – €110,400 📍 Western & Southern Europe: €50,800 – €116,117 📍 Central, Eastern Europe & Caucasus: €53,851 – €88,291
Your Home Destination: 🛫 Local market rates and cost of living vary. Your specific range within this band depends on where you're based, and there's room to discuss what's right for the person and the role. We'll walk through your range together on your first call with our Talent team so we're aligned for takeoff! 🎒✨
What You'll Do:Why People Join Us
We started Airalo to make staying connected effortless, wherever you are in the world. Today, millions of travelers rely on our eSIMs, and many of the people building the product were customers first.
Our team spans 60+ countries, united by a shared belief that great work happens when people are trusted to own what they do. There's trust to own what you do, space to focus without constant layers of process, and a clear sense of what you're responsible for from day one.
As Airalo continues to grow, so do the opportunities to learn, take on new challenges, and make a real impact - from anywhere in the world.
On-Call
Participating in our on-call rotation is a core expectation of this role. It's essential for maintaining 24/7 service reliability across our global operations, ensuring our systems remain resilient and our customers experience uninterrupted service, regardless of time zone or geography.
- Paid Rotation: We offer standby fees + overtime pay.
- Delayed Start: No on-call duties for your first 6 months.
- Rest & Recovery: Guaranteed rest periods and flexible hours following night incidents.
- Shared Load: Rotations are split (Weekdays vs. Weekends) to minimize fatigue.
Please refer to the On-Call Policy in the Airalo Handbook for full details: https://airalo-public.notion.site/our-approach-to-engineering-on-call-policy
Before You Hit Apply
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, available here: www.airalo.com/more-info/privacy-policy?srsltid=AfmBOooBT0rXAj1FaNelZ3VfN0wvhwzvAoxdtHnOKSVETpiSjiXVuycy 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.Requires 5+ years in mobile core networks and Full MVNO integrations, 2+ years leading engineers or QA specialists, expertise in packet and voice core, Diameter, SS7, SIP, SMS routing, portability, and lawful interception.
Key Responsibilities
- leading engineers
- integrating networks
- ensuring compliance
Skills & Tools
CI/CD, Terraform, Ansible, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud Platform (GCP), Nokia, Ericsson, Mavenir, Oracle Communications, Cisco, Summa Networks, NetNumber, XIUS, Diameter, SS7, SIP, HSS/HLR
Job Details
- Category: Information Technology
- Seniority: Senior Level
- Commitment: Full Time
- Workplace: Remote — Europe
- Salary: EUR 76,800 – 110,400 / year
- Languages: English
About Airalo
A global eSIM provider helping travelers access affordable mobile data worldwide. — Industry: Information Technology