Skylo is seeking a highly technical, hands-on Principal Signaling and Routing Specialist to turn each MNO's IR.21/RAEX profile into production-ready Diameter connectivity.
You will own the operational technical path from interconnect design through DRA/DEA configuration, IP/DNS/ENUM readiness, IREG execution, troubleshooting, and operational handoff.

Responsibilities:

Design and configure Signaling, DRA/DEA routing, peers, connections, realms, Diameter identities, and relevant GT and point-code mappings.
Translate IR.21/RAEX inputs into accurate, version-controlled operational configurations.
Own end-to-end IREG-side testing for network registration, attach sequences, S6a/S6d authentication, SGd SMS, and NIDD where applicable.

Required qualifications:

8+ years of hands-on experience in mobile-core signaling, roaming interconnect, telecom solutions engineering, or network operations.
Deep technical Diameter experience including DRA/DEA configuration, realm routing, peer management, and S6a/S6d/SGd protocols.
Advanced protocol analysis skills with the ability to read Wireshark traces to independently diagnose signaling failures.

What we offer:

Competitive compensation packages including a stock option-based equity program.
Comprehensive benefits including medical, dental, vision, and retirement plan.
A generous time-off policy, holidays, and the opportunity to temporarily work abroad.

Skylo

Skylo provides standards-based satellite connectivity, connecting smartphones and IoT devices directly to satellites without special hardware. The company operates across three continents with millions of activated devices and partners with leading satellite operators, mobile network operators, chipset makers, and OEMs.

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