System Architect

Would you like to be part of a world class team that is writing the history of one of the most complex and exciting transformations in the telco industry around Mobile Voice Core and Telco Cloud area? I am Olle Welander, the leader of our Development team within Voice Core Networks.

Right now, we are looking for a Senior or Junior System Architect in the Telia Voice Core domain. The team is responsible for managing the design, development and architecture of Voice Core systems for consumer and business voice services in five Nordic countries. For this reason, we accept applications from all over the Nordics and Baltics where Telia has Voice Core Systems.

As a SystemArchitect…

Our teams are distributed in Stockholm, Oslo and Helsinki and you will be part of an international organization working agile, and in the forefront of mobile technologies including IMS, 5G voice, cloud and automation. You will be interacting closely with other parts of Telia and our many suppliers, such as Ericsson, Nokia, Huawei, Sinch and Titanium.

Your main responsibility will be to act as a System Architect in our development projects and EPICS. You will be working in teams with operations and production management towards the Vendors and other teams and departments at Telia.

The role includes but not limited to maintaining a sound system architecture and managing the system design and architecture across development projects. You will be responsible for keeping development roadmaps up to date, performing design and requirements analysis during system procurement, and writing or reviewing high- and low-level design documentation. You will also manage system security by applying security-by-design principles and collaborate closely with operations, production management, and testing teams, while also handling technical vendor management.

Who We’re Looking For...

We are on a journey to become the new generation telco, which means that you need to be open-minded and not be afraid of change. And to really enjoy your job here, you need to be forward-thinking, customer-oriented and truly understand that the solutions you are creating will connect people in society to what matters most to them. You always want to learn more and are not afraid of new opportunities, and you are or aspire to be a technical expert in the Voice Telecom area. You are a problem solver who is forward-thinking and analytical in your approach, and you cooperate well in team efforts.

To succeed in this role, you should have Mobile Voice Core and IMS competence with a solid understanding of telecom technologies, including architecture, functions, interfaces, and protocols. Preferably, you have experience in system architecture, development, engineering, integration, testing, and configuration.You are fluent in English, both written and spoken, and have a relevant technical education.

For this position we are looking for eitheran Experienced Senior or Junior System Architect / Developer. Below you will find specific experience that we value for this position. Seniors will match more and Juniors at least a few. Both will harbor a burning desire and interest to become an expert in the Voice Core domain.

Core Technologies andnetworks . IMS, 2G / 3G / 4G / 5G mobile networks, telecom network design, SIP and Diameter signaling, STP / SS7, circuit-switched systems.

Platforms andautomation . System automation, Kubernetes (deployment and management), cloud-based applications and services (deployment, testing, design, dimensioning), AI-driven telco configuration and automation.

Development andarchitecture . Writing HLD / LLD documentation, telco system requirement handling, technical roadmap planning, IP network basics, network dimensioning, telco security design.

WoWandvendor experience .SAFe / Agile methodologies, experience working with vendors such as Nokia, Ericsson, Sinch, orNetNumber.

We are more than a workplace

Join our inclusive team and collaborate with over 15,000 talented colleagues from around the globe. Recognized as a Climate Leader in the Nordics and Baltics, we're passionate about creating great products and delivering extraordinary customer experiences while always prioritizing sustainability. We believe our people are our most valuable asset, ensuring everyone feels welcome and valued. When you join us, you'll receive a comprehensive benefits package tailored to your local market, opportunities for remote work, and more. You'll also have the chance to earn an annual bonus based on your performance and Telia's results. If you want to make a real impact, this is the place where you belong.

Ready to make better happen?

We are looking forward to your application by 2025-07-11. If you are selected for the next stage in the process, you'll be contacted by our Hiring Manager / Talent Acquisition Partner. Required controls will be performed.

If you want to know more about this position, please contact me Olle Welanderat .

Join us and let’s make better happen – together!