Mobile Core Engineer – Subscriber Data Management & Signaling

Norway·Oslomid

OtherEngineer

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Overview

Mobile Core Engineer – Subscriber Data Management & Signaling - Com4 About Us Com4 is a leading global service provider in the Internet of Things (IoT), also known as “Machine to Machine” (M2M).

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OtherEngineer

Com4 is a leading global service provider in the Internet of Things (IoT), also known as “Machine to Machine” (M2M). We offer mobile data subscriptions tailored to our customers' applications in their connected devices and equipment. This connectivity enables innovative solutions across many sectors, such as energy, security, transport, and welfare technologies.

Com4 is a significant player in the Norwegian telecom market, with a 50% market share in the IoT segment. Through roaming agreements, we offer IoT communication on 2G/3G/4G/5G across 700 networks globally. As a Mobile Virtual Network Operator (MVNO), Com4 has its own mobile core network and a portfolio of Business Support Systems (BSS) and Operational Support Systems (OSS).

A central element of our core network is our IP/MPLS network, which connects network elements across our various data centers and forms the interface toward our customers and partners/providers of peering, IP Transit, and IPX/GRX. We have solutions for several VPN variants adapted for business customers with dedicated APNs and diverse communication needs. We make extensive use of MPLS in both IP and mobile network elements for efficient service production. FW and NAT solutions are important security elements in our design. The services we produce meet high requirements for uptime, and solution flexibility is a central part of the offering we provide to customers. Moving forward, the network is being further developed to support 5G SA mobile services, scale, and increase the degree of automation.

About the Role

~2 min read

We are looking for a Mobile Core Engineer responsible for subscriber data systems across legacy and 5G, ensuring consistency and correct behavior during authentication, provisioning, and mobility.

We will consider both senior candidates with extensive experience and juniors with shorter experience, and can adapt tasks and responsibilities in line with the candidate's profile.

We are looking for someone who is solution-oriented and fearless when facing complicated tasks. We value good cooperation and communication skills, while it is also crucial to work independently and proactively within your own field of expertise.

To further strengthen our technical team, we are looking for an Mobile Core Engineer – Subscriber Data Management & Signaling who has competence or experience in several of the following areas, as well as an interest in learning more:

Mobile Core network architecture (3GPP releases/GSMA/IETF standards)
Mobile Network functions across different technologies - 5G SA/NSA and 4G EPC
Interfaces with adjacent systems in a mobile operator environment
Operate and maintain subscriber systems: HLR / HSS/UDM/UDR & Policy control systems SPR/ PCF / Charging systems.
Develop and maintain signaling routing on the STPs, DRAs, SCP & SEPP including NRF & NSSF for 5G SA.
Support subscriber provisioning and lifecycle management
Ensure data consistency across multi-IMSI / multi-SIM environments
Support integration with other core network functions
Technical vendor management, including feature requirements specification and follow-up
Familiarity with protocols like SIGTRAN, Diameter, Radius, and HTTP.
Monitor platform performance and ensure high availability
Collaborate with vendor for onboarding new network functions
Good understanding of cloud environments (Telco Cloud) and virtualization.
Knowledge of APIs is a plus
Experience in virtualization and Kubernetes is a plus
Knowledge of roaming and interconnect scenarios
Basic scripting or database querying (SQL)
IoT experience is beneficial but not required
Support automation initiatives for operational efficiency
Strong teamworking and collaboration skills
Customer-focused mindset with strong communication abilities
Participate in an on-call rotation, troubleshoot issues, and drive incident resolution to minimize downtime. Conduct post-mortems and implement corrective actions to enhance reliability.

What We Offer

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Com4 is a highly attractive workplace. We have a flexible and growth-oriented entrepreneurial culture, while offering security and competitive terms. We have an excellent working environment—here you will find pleasant and competent colleagues in a team that helps each other and works together as one. We place great emphasis on the social aspect, including regular events and celebration of successes with company trips, etc. We offer state-of-the-art premises in the tech hub that has emerged at Løren/Hasle-Linje. We expect independence and commitment from you, and in return offer flexibility regarding home office and the choice of work tools that suit you.

Com4 is a mobile operator offering communication services for the growth market of the Internet of Things (IoT). Com4 is a company based in Oslo with solid finances after many years as a market winner in Norway. Our owner is the Wireless Logic Group in the UK, a recognized leader in the Managed IoT industry globally, with 12 million SIMs worldwide and operations in more than 10 countries.

We know the world has changed, and we want to offer our employees the chance to collaborate at our unique office spaces, whilst enjoying the convenience of working from home. We've adopted a hybrid working approach to give more flexibility on where and how we work. You'll find out more about what this means for this role during the recruitment process, but we are currently excited to have our employees experience our office culture as much as possible.

Wireless Logic Group unites and brings people together. We accomplish this when we lead with a lens of diversity, equity, and inclusion in everything we do. As a global company that drives culture we aim to reflect the world’s diverse voices both internally and externally to ensure success in our mission.

By applying for this role, you are consenting for us to hold and process your data in compliance with the General Data Protection Regulations. If you have any questions or wish to exercise your right to access, erase or restrict the holding or processing of your data please contact us (recruitment@wirelesslogic.com) and we will respond to your query as soon as possible.