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Skylo

Telecom Roaming Expert & Interconnect Partnerships

RemoteUnited States only
Published
Experience
Senior
Employment
Full-time
Company size
Mid-size
$130k–$140k/yr
Check eligibility

Open to US only. Set where you work from to check your eligibility.

No BS summary

Senior telecom roaming/interconnect leader with 10+ years in roaming/IPX/hubbing; must be US‑based (fully remote in the US) and fluent English. Needs deep experience with IPX/GRX, TAP/RAP/NRTRDE/IR.21 and SS7/Diameter signalling. Responsible for partner lifecycle, contracts, SLAs and commercial optimisation.

Core skills

IPXroaming operationsSS7/Diameter

Required skills

GRXSS7DiameterTAPRAPNRTRDEIR.21IR.85AA.12BCEIREGTADIGHLRHSSUDMMSCSGSNGGSNMMES/PGWUPFSMFDRASTPGT routingpoint-code routingDNSmediationratingchargingwholesale billingfraud managementTAP processingVoLTE roamingS8HRLBO5G roamingSEPP

Optional skills

NTNNB-IoTIoT roamingJiraConfluenceSlackpartner portalsoperational scorecards

Required languages

English Fluent

What you'll do

  • Manage and develop relationships with international roaming partner operators, owning the full lifecycle of the agreements.
  • Manage relationships with international connectivity and signalling providers (IPX/GRX carriers, roaming hubs, SS7/Diameter signalling providers), including selection, contracting, and SLA monitoring.
  • Manage relationships with data and financial clearing houses and hub providers, monitoring billing, disputes, and reconciliations.
  • Coordinate the opening of new roaming relationships and testing.
  • Oversee the exchange of files and documentation between operators: TAP/RAP, NRTRDE, RAEX (IR.21, IR.85, IOT), and related clearing and reconciliation processes.
  • Negotiate, draft, and maintain agreements, and manage the related signing and update process.
  • Analyse roaming performance (traffic, quality, revenue, cost, margin) and define optimisation strategies for tariffs, steering of roaming, and fraud management.
  • Ensure compliance with applicable regulations and standards (e.g., GSMA, EU roaming regulation "Roam Like At Home", and any local regulation), overseeing regulatory impacts on the business.
  • Interface with internal functions (Network, IT/BSS, Finance, Legal, Wholesale, Marketing) to ensure delivery and evolution of the service.

What they require

  • 10+ years of experience in a roaming / wholesale roaming role within a mobile operator or at a hub/IPX provider, with proven direct management of relationships with international operators and carriers.
  • 10+ years of experience in carrier interconnect, wholesale roaming, IPX/GRX, telecom vendor management, or a closely related field.
  • Senior-level ownership of strategic suppliers and complex partner relationships.
  • In-depth knowledge of the international roaming business: commercial models, value chain, tariff mechanisms (IOT, wholesale), steering, settlement, and clearing.
  • Thorough knowledge of GSMA standards and procedures: RAEX/IR.21, AA.12, TAP/RAP, NRTRDE, BCE, IREG, and TADIG processes and workflows.
  • Solid understanding of the Network and IT aspects supporting roaming: 2G/3G/4G/5G architectures and network elements (HLR/HSS, UDM, MSC, SGSN/GGSN, MME, S/PGW, UPF, SMF, DRA, STP).
  • Working depth in SS7/MAP and Diameter signalling, GT/point-code and realm routing, DEA/STP, DNS, and IPX interconnect operations.
  • Strong knowledge of SMS interworking, VoLTE roaming (S8HR/LBO), and 5G roaming (SEPP).
  • Knowledge of supporting BSS/OSS systems (mediation, rating/charging, wholesale billing, clearing systems, TAP processing, fraud management, steering systems).
  • Demonstrated success negotiating complex telecom agreements, pricing models, service levels, credits, and executive escalations.
  • Fluent English (written and spoken) is mandatory.
  • Availability for international travel and participation in industry events/working groups (e.g., GSMA, bilateral partner meetings).

Benefits

  • Competitive compensation packages including a stock option-based equity program
  • Comprehensive benefits including medical, dental, vision, and retirement plan
  • Monthly allowances for wellness and education reimbursement
  • A generous time-off policy, holidays, and the opportunity to temporarily work abroad
  • Access to a world-class team across software, hardware, chipsets, telecom, satellite, and network virtualization
  • Open, transparent, inclusive culture that blends Silicon Valley, Nordic, and South Asia characteristics

Skylo has pioneered a standards-based approach to satellite connectivity, connecting smartphones and IoT devices directly to satellites through a commercial NTN vRAN platform that bridges terrestrial and satellite networks.

🇺🇸 United StatesTelecommunicationsStartupskylo.tech/
$130k–$140k/yr