About Us
1GLOBAL is a technology-driven global mobile communications provider, delivering global connectivity solutions to enterprises and consumers. Powered by a best-in-class telecom platform – including its own owned and operated global mobile core network, fully fledged in-house developed eSIM technology, and an extensive portfolio of telecom licenses – 1GLOBAL operates as a fully regulated telecommunications provider across 40 countries worldwide.
We serve many of the world’s leading banks, enterprises, and digital-first businesses, including neo-banks, global fast moving consumer goods companies, travel leaders, and payment service providers. Today, 1GLOBAL connects more than 70 million people and devices globally, enabling our customers to launch, scale, and innovate with confidence in the mobile ecosystem.
1GLOBAL is a profitable, fast-growing business. With full-year revenues in 2025 exceeding US$200 million and profits of over US$25 million, we generate strong cash flows to fund our growth allowing us to continuously invest in infrastructure, platform innovation, and global expansion. Recent years have marked a defining phase in our journey, with major enterprise and mass-consumer client wins accelerating our evolution into a global mobile connectivity powerhouse, purpose-built to enable consumer brands to enter and succeed with their own aspirations to offer telecommunications services to their clients.
Founded in 2022 by experienced technology entrepreneurs, Hakan Koç and Pyrros Koussios, 1GLOBAL has rapidly emerged as a European technology leader shaping the future of global telecommunications. We operate as a fully regulated Mobile Virtual Network Operator (MVNO) in 12 countries and as a regulated telecom operator in an additional 28 markets. Headquartered in the Netherlands, with world-class R&D hubs in Lisbon, Berlin, and São Paulo, our team of close to 500 experts across 15 countries is united by a single ambition: to redefine global mobile connectivity through technology, scale, and execution excellence.
About the Team
We are looking for a Senior Software Engineer to join our Network Automation Unit in Sydney, Australia. This is a software-first role focused on turning complex network and telecom workflows into reliable internal platforms, automation systems, and test capabilities.
You will work closely with telco teams to understand real operational problems, build a strong technical context, break down ambiguous work, and deliver safely. You will also work in an AI-assisted engineering environment where engineers remain accountable for understanding the problem, reviewing outputs critically, and validating the result end-to-end.
About the Role
- Work directly with telco teams to understand problems, workflows, and constraints
- Investigate systems, repos, tickets, and runtime behavior
- Build reliable knowledge bases that capture how complex systems actually work
- Design reliable technical solutions for operational and automation problems
- Break down ambiguous work into clear tickets, execution steps, and validation plans
- Use AI-assisted workflows to speed up research, implementation, and delivery
- Review AI-generated code critically for correctness, quality, and production safety
- Deliver changes to staging and validate them through integration and end-to-end testing
Requirements
About You
- Senior-level experience building backend, platform, automation, or internal tooling
- A software-first mindset and comfort working in operationally complex domains
- Strong technical judgment, especially when reviewing AI-generated output
- Experience turning ambiguous problems into structured investigations and executable plans
- Strong knowledge of AWS infrastructure and cloud services
- Working knowledge of Python and TypeScript, so you can review and guide implementation
- Experience building or maintaining CI/CD pipelines, for example, GitLab CI
- Working knowledge of SQL, ideally PostgreSQL
- Bonus points for telecom or network systems experience
Benefits
Why 1GLOBAL?
- Growth Opportunities: Advance your career in one of the fastest growing telecommunications companies, expanding over 100% 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 Sydney, New South Wales, AUS Office
Sydney, Australia
