Job Description

Tele2 is building Sweden’s 5G Standalone future — want in?

We’re looking for a Network Design Engineer to join our Mobile & Fixed Voice team and help shape the next generation of IMS and IoT services. You’ll design, build, troubleshoot, and drive some of the most critical systems in our mobile network — hands‑on, end‑to‑end.

If you love complex tech, real impact, and a team that actually collaborates, this is your chance to take a key role in Tele2’s 5G evolution.

Ready to help power the network of tomorrow? Let’s talk.

DCT

Are you ready to be at the forefront of digital innovation? Join our dynamic team at Tele2, where Digital Capabilities & Technology (DCT) is the engine behind our products and services. As the essential enabler of our commercial

ambitions, DCT brings automation and simplicity to the telecommunications industry, revolutionizing the way we connect and communicate.

Within our organization, you’ll find everything from the backbone infrastructure of technology and IT systems, serving both our external & internal customers, to advanced analytics, AI creation, and frontend development. Our team plays a vital role in ensuring reliable and premium services through delivering exceptional experiences to our end customers, both Consumer and Enterprises, all the while supporting our colleagues within Tele2.

ABOUT THE ROLE

You will be a member of the Mobile Core department where we manage the Mobile & Fixed Voice Network in Sweden and international voice for Tele2 Group. We are also responsible for several Central platforms and the services they provide for the Tele2 Group.

As a Network design Engineer Mobile Voice, you will participate in the Design and Engineering work for Tele2 Mobile Voice Services and Systems within the domain, ensuring that we deliver in line with our demands and with the best quality. You will work with the whole flow from requirements, development and implementation of new services, maintaining the system roadmaps and KPI’s, producing guidelines and training for operations. Within the role you will also be responsible for security/regulatory alignment and financial follow-ups and assessments.

The other part of this role also includes you providing third-line support for our customers, ensuring that we deliver superior customer experience. You will work with Life Cycle Management of the network elements, maintain the systems' service level by means of KPI’s and act on alarms, as well as producing guidelines and training for operations.

The role offers ample opportunities to interact with and manage vendors. You will be part of the engineering team which has responsibility for the Mobile Voice Core including IMS. Planning and performing capacity expansions based on monitoring performance metrics is an integral part of the work.

The position is in our headquarter in Kista, Stockholm and we offer a hybrid workplace.

Who are you?

To thrive and succeed in this role we believe that you...

• Have Education in telecommunications with Higher University degree (HBO/BEng) with a for the functional area relevant specialization and/or proven Engineering or Operations experience in a telecommunications industry environment, within the Mobile Voice domain and IMS VoLTE
• Good knowledge and experience of signaling protocols, SIP/MAP/Diameter/Camel/HTTP/SDP
• Good knowledge of IMS, Architecture, 3GPP standards etc.
• Good knowledge and experience of Linux
• Resident in Sweden

Meriting Qualifications

• System administration skills in Unix environment
• Experience from security/regulatory alignment
• Experience of monitoring/tracing tools like Polystar Osix, NetQPro,Prometheus, Grafana, Kibana, Wireshark etc
• Experience of Cloud Native Deployments (Container Network Functions), Kubernetes, OpenShift

We are looking for an Engineer with the ability to lead development and evolve the Mobile & Fixed Voice Core. We think you are a committed team player showing enthusiasm and motivation thus influencing colleagues in a positive way. We think you are a person who is curious and who is always seeking to grow. You are a responsible person who is never afraid to ask for help and able to communicate very effectively with colleagues and vendors.

A few words from the manager

I´m Mats Larsson Hammarsten, with a long background in Telecommunications, leading a team of 18 highly motivated and self-driven individuals. Together, we foster a culture of collaboration and ambition,

we value openness and getting things done. We're responsible for shaping the future of Mobile Voice Core and we thrive on constant improvement, we collaborate without prestige and make sure to deliver on our promises. Join us in our mission to push the unlimited possibilities in telecommunications.

Why Tele2

• 
  We believe in fostering a creative and flexible work environment. You will be part of a culture where teamwork and inclusion are leading the way forward, a place where you bring your whole self to work as the unique person you are. We are committed to building a company that values diversity in all its forms.
  
• 
  Every employee is important for the company’s success and you will always have an impact through your work with opportunities for growth and development through internal paths.
  
• 
  At Tele2, we work hard to our commitment to lead in sustainability, which has made us a climate leader in Europe according to Financial Times. Sweden’s most sustainable company and ranked 37th globally by Time Magazine and Statista on their inaugural World’s Most Sustainable Companies list, featuring 500 companies from more than 30 countries. We keep reaching new goals as we are bound to shift to a circular economy.
  

Interest and application

Would you like to be a part of the Tele2s value-driven and including culture? Then hit the “apply now” button and let’s find out if we’re a match!

Please note that in compliance with personal data management regulations (GDPR), we are unable to accept CVs via email.

To ensure an inclusive and fair recruitment process, we focus on your experiences and skills. Therefore, Tele2 has chosen not to consider cover letters. Instead, we kindly ask you to answer the screening questions included in the application form.

As a step in the recruitment process, Tele2 performs a background check on final candidates.