Senior Engineer, Core Network

Airalo Group
Full-time , , United Kingdom, , , United Kingdom IT & Technology
Posted:
March 02, 2026
Location:
, , United Kingdom, , , United Kingdom, United-Kingdom

Job Description

General Application Questions (Engineering)

Are you comfortable working in a remote environment? ✱

What are your salary expectations (EUR, p.a., gross)? ✱

Do you now, or in the future, require any sort of visa support? ✱

  • Yes
  • No

Are you based in Spain or UK? ✱

  • Yes
  • No

Which of the following best describes most of your experience? ✱

  • I’ve been a Lead/Senior Engineer in a Tier 1 Carrier or Major NEP, managing massive subscriber scale.
  • I’ve worked in a high-growth MVNO or MVNE environment, building flexible and agile core services.
  • I’ve worked in smaller private networks or enterprise environments.
  • None of the above

When a critical roaming connection fails, where do you start your detective work? (Select the interfaces/protocols you are most comfortable decoding in a live trace).

  • Decoding ULR/ULA and Authentication flows on S6a. <...

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Job Overview

Job Type: Full-time
Location: , , United Kingdom, United-Kingdom
Posted: March 02, 2026
Deadline: April 11, 2026