Networks Support Engineer (Telecom)

TL;DR

Networks Support Engineer (Telecom): Monitoring and supporting CORE and RAN networks to ensure high availability and performance with an accent on troubleshooting service-impacting issues across Voice, Data, and SMS. Focus on analyzing network faults using SS7, SIP, and DIAMETER protocols and coordinating with vendors for complex incident resolution.

Location: Lisbon, Portugal

Company

hirify.global is a technology-driven global mobile communications provider delivering connectivity solutions through its own telecom platform and eSIM technology.

What you will do

• Monitor and support CORE and RAN networks to ensure high availability and performance.
• Troubleshoot service-impacting issues across Voice, Data, SMS, and Registration services.
• Analyze and resolve network faults using protocols such as SS7, MAP, ISUP, SIP, CAP, and DIAMETER.
• Coordinate with vendors and engineering teams on complex incidents.
• Participate in root cause analysis of major incidents and implement corrective actions.
• Create and maintain documentation for procedures, configurations, and fault analysis.

Requirements

• Degree in Telecommunications Engineering, Computer Science, or equivalent practical experience.
• Solid experience with troubleshooting in CORE and/or RAN networks.
• Strong understanding of telecom signaling protocols (SS7, MAP, ISUP, SIP, DIAMETER, CAP).
• Hands-on experience with trace analysis and monitoring tools such as Wireshark.
• English: C1+ communication skills required.
• Ability to work in high-demand environments, including on-call rotations.

Nice to have

• Knowledge of the IoT ecosystem or M2M services.

Culture & Benefits

• Rapid career growth in a fast-growing telecom company.
• Exposure to major industry transactions and high-impact projects.
• Collaborative environment working with renowned experts and talented individuals.
• Professional development opportunities in a cutting-edge field.
• Opportunities to work in various international hirify.global offices.
• Open communication culture and results-driven approach.