Solutions Engineer – SS7 Signalling, IP Routing

🔥 0 minutes ago

🇬🇧 United Kingdom – Remote

⏰ Full Time

🟠 Senior

🔴 Lead

💻 Solutions Engineer

👻 Ghost score 18%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Skylo

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2017

📡 Telecommunications

🤝 B2B

💰 $30M Venture Round - Skylo on 2025-02

Telecommunications • B2B

Skylo is a company that provides global connectivity services focused on connecting IoT and edge devices through satellite-enabled cellular networks. The company's website highlights coverage maps, certified devices, a certification program, developer documentation, white papers, case studies, and a partner ecosystem — indicating a developer- and partner-focused B2B offering that enables devices to stay connected where traditional cellular coverage is limited. Skylo positions itself as a telecommunications connectivity provider for enterprises, device manufacturers, and partners building solutions that need broad geographic coverage.

📋 Description

• 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 • Plan interconnect IP addressing and coordinate DNS/ENUM, APN, realm resolution, firewall/ACL, and IPX peering changes • Own end-to-end IREG-side testing for network registration, attach sequences, S6a/S6d/SGd authentication, SGd SMS, and NIDD where applicable • Analyze signaling traces using Wireshark and resolve failures across Skylo, the IPX provider, and partner MNO • Collaborate with Skylo IPX partners and MNO IPX teams to isolate routing and configuration issues at component level • Establish change-control, peer-review, rollback, and documentation practices • Create Low-Level Design documents for every interconnection • Partner with Network Engineering, NOC, Security, Product, and external MNO technical teams through go-live and stabilization • Turn MNO IR.21/RAEX profiles into production-ready Diameter connectivity and validated live traffic • Own the operational technical path from interconnect design through DRA/DEA configuration, IP/DNS/ENUM readiness, IREG execution, troubleshooting, and operational handoff

🎯 Requirements

• 10+ 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 • Strong IP interconnect fundamentals, including DNS/ENUM, routing, security controls, and firewall/ACL coordination over IPX/GRX networks • Advanced protocol analysis skills with the ability to read Wireshark traces to independently diagnose signaling failures • Proven experience translating complex IR.21/RAEX data into operational configurations and executing structured IREG validation • Disciplined approach to change management, documentation, configuration integrity, and live production risk • Preferred: NB-IoT NTN, NIDD, MME registration troubleshooting, SS7/MAP, STP, or IoT roaming experience • Preferred: Hands-on experience with Signalling & IP configuration in Core network • Preferred: Automation experience using Python, APIs, infrastructure as code, or network testing frameworks

🏖️ Benefits

• Competitive compensation packages including a stock option based equity program • Comprehensive benefits including medical, dental, vision, retirement plan • Monthly allowances for wellness and education reimbursement • A generous time off policy • Holidays • Opportunity to temporarily work abroad • Flexible approach to work • Equal opportunity and inclusive workplace