Senior Solutions Engineer – Signaling & Routing

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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, GT mappings, and point-code mappings • Translate MNO IR.21/RAEX profiles 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 testing for network registration, attach sequences, S6a/S6d authentication, SGd SMS, and NIDD where applicable • Analyze Wireshark signaling traces and resolve failures across Skylo, IPX providers, and partner MNOs • Collaborate with Skylo IPX partners and MNO IPX teams to isolate routing and configuration issues • 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

🎯 Requirements

• 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 • Strong IP interconnect fundamentals, including DNS/ENUM, routing, security controls, and firewall/ACL coordination over IPX/GRX networks • Advanced protocol analysis skills, including independently diagnosing signaling failures from Wireshark traces • Experience translating IR.21/RAEX data into operational configurations and executing structured IREG validation • Disciplined approach to change management, documentation, configuration integrity, and live production risk • NB-IoT NTN, NIDD, MME registration troubleshooting, SS7/MAP, STP, or IoT roaming experience • Hands-on experience with Oracle DSR, Mavenir, Nokia, or comparable carrier-grade signaling platforms • Automation experience using Python, APIs, infrastructure as code, or network testing frameworks • Ability to work legally in the U.S.; applicants are asked whether they require employment visa sponsorship

🏖️ 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 and holidays • Opportunity to temporarily work abroad • Access to a world-class team across software, hardware, chipsets, telecom, satellite, and network virtualization • Open, transparent, inclusive culture • Health insurance • Retirement plans • Paid time off • Equity options