Networks Operations Engineer

1GLOBAL

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1GLOBAL is a technology-driven global mobile communications provider dedicated to empowering enterprises worldwide to unlock the full growth potential of mobile connectivity. With a best-in-class telecom technology platform, a comprehensive suite of globally viable regulatory licenses, and privileged access to the telecom wholesale market, 1GLOBAL is uniquely positioned to deliver seamless compliance and connectivity solutions. Serving the world’s leading banks, corporations, and digital-first businesses—including neo-banks, travel companies, and payment service providers—1GLOBAL connects over 43 million devices globally.With 2024 full-year revenue exceeding US$100 million, 1GLOBAL is a profitable business generating significant cash flows to fund its ongoing investments in infrastructure, transformation, and growth. 2024 saw major client wins and marked 1GLOBAL’s evolution from a multi-market telecommunication provider to a global technology-driven mobile connectivity powerhouse.Established in 2022 by experienced tech founders and entrepreneurs Hakan Koç and Pyrros Koussios, 1GLOBAL is a European technology leader driving digital transformation in the global telecommunications market. It operates as a fully regulated Mobile Virtual Network Operator (“MVNO”) in nine countries and as a regulated telecommunications operator in an additional 31 countries. Headquartered in the Netherlands, with world-class R&D hubs in Lisbon, Berlin, and São Paulo, 1GLOBAL employs over 450 experts across 13 countries.Position OverviewOur Network Operations Engineering team is responsible for monitoring, managing, and maintaining the organisation’s network infrastructure to ensure optimal performance and uptime. They troubleshoot connectivity issues, configure and update network devices, and implement security measures to protect data and systems. This role often involves working with cross-functional teams to support network scalability, reliability, and continuous improvement.Key Responsibilities

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 tools and traces involving protocols such as SS7, MAP, ISUP, SIP, CAP, DIAMETER, and related telecom signaling stacks.
Escalate and coordinate with vendor and engineering teams on complex incidents.
Participate in the root cause analysis of major incidents and implement corrective actions.
Support daily operations and incident management, ensuring compliance with SLAs.
Create and maintain accurate documentation related to procedures, configurations, and fault analysis.
Collaborate with cross-functional teams, including Radio Planning, Core Engineering, and Customer Support.
Stay updated on network evolutions, including 5G, IoT ecosystems, and virtualisation trends.

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, etc.
Hands-on experience diagnosing issues across Voice, Data, SMS, and network attach/registration flows.
Experience with trace analysis and monitoring tools (e.g., Wireshark).
Knowledge of the IoT ecosystem or M2M services is a plus.
Strong incident management and problem-solving skills involving complex telecom infrastructures.
Excellent English communication skills (written and verbal).
Ability to work independently and prioritize tasks under pressure.
Team player, highly organized, and detail-oriented with a structured approach to work.
Critical thinker with a mindset focused on continuous improvement.
Comfortable working in high-demand, fast-paced environments, including on-call rotations.

BenefitsWhy 1GLOBAL?

Growth Opportunities: Advance your career in one of the fastest growing telecommunications companies, expanding over 40% year-on-year under the leadership of successful tech entrepreneurs.
Major Transaction Exposure: Be in the driver’s seat for transactions that will have an impact on the future telco industry.
Work with a Talented Team: From the Board and the Founders to the Senior Management Team, you will collaborate daily with the most capable and renowned external advisors, and constantly being exposed to talented and driven individuals.
Dynamic Work Environment: Thrive in a collaborative, fast-paced workplace where innovation is encouraged, and every contribution counts.
Professional Development: Work alongside industry experts to enhance your skills and knowledge in a cutting-edge field.
International Experience: Gain opportunities to work in different 1GLOBAL offices around the world as you grow within the company.
Open Communication Culture: Join a team where your ideas are heard, and open dialogue is encouraged, fostering a supportive and transparent work environment.
Get Things Done Attitude: Be part of a results-driven team that values efficiency, creativity, and the drive to make a tangible impact in the industry.

1GLOBAL is an equal opportunity employer, we value your character as much as your talent. Diversity drives our innovation, and we offer a collaborative, dynamic, and international work environment. We are excited for you to join our mission to revolutionise connectivity globally.

1GLOBAL