(Senior) Technology Specialist, Telco Services (Helsinki)

Elisa Corporation; Helsinki; Hybrid; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Hybrid work model

Job summary

Elisa Corporation in Helsinki is seeking a (senior) Technology Specialist to design, implement and maintain mobile packet core infrastructure and services. You will help ensure high availability, performance and secure operation of critical networks.

The role involves collaborating with cross-functional teams, automating deployment, and continuously improving core networks. Fluency in English is required; Finnish is a plus.

Qualifications

• Linux system administration and operational experience.
• Experience designing, deploying and operating virtualized environments.
• Hands-on Kubernetes deployment, maintenance and troubleshooting.
• Familiarity with GitOps or automated deployment workflows.
• Understanding of BGP/EVPN/VXLAN and core networking concepts.
• Knowledge of 3GPP core concepts and mobile packet core operations.
• Experience with incident and change management processes.
• Strong communication skills and cross-functional collaboration.
• Ownership mindset with proactive skill development.
• Good written and spoken English; Finnish language is a plus.

Responsibilities

• Design, implement, and maintain mobile packet core infrastructure and services.
• Manage core platforms with emphasis on scalability, redundancy and security.
• Collaborate with cross-functional teams to architect core networks and drive automation.

Skills

Linux system administration

Virtualized environments

Kubernetes operations

GitOps

Networking concepts (BGP, EVPN, VXLAN)

3GPP core concepts

Incident & change management

Communication & teamwork

Ownership & self-driven

English fluency

Education

BSc/MSc in Telecommunication/IT/Engineering

Tools

Kubernetes

GitHub Copilot

Infrastructure-as-Code tools

Job description

We are looking for a (Senior) Technology Specialist to join our Mobile Broadband Services team.

Elisa's Mobile Broadband Services team drives the operation and lifecycle management of critical mobile packet core functions. We ensure high-performance service delivery today while actively pioneering the next generation of core network products and advanced technologies.

As a (senior) Technology Specialist, you will help design, implement, and maintain mobile packet core infrastructure and services. Your role is critical in ensuring seamless broadband services, high availability, and optimal network performance. You will also work closely with vendors and other stakeholders in planning and implementing new technologies and end-user products.

Your main tasks:

• Mobile packet core infrastructure management: designing, deploying and managing core platforms, including hardware, software and cloud native network elements, while ensuring scalability, redundancy and security.
• Collaborating with cross-functional teams to architect core networks.
• Participating in the development of a highly automated, intent-based model of operating core networks.

What we are looking for?

Knowledge and practical experience in

• Linux system administration.
• designing, deploying, and operating virtualized environments.
• deploying and operating workloads on Kubernetes.
• automating infrastructure deployment or service provisioning (e.g. GitOps)

Familiarity with

• Kubernetes troubleshooting, observability, networking and security best practices.
• 3GPP specifications and core concepts of mobile packet core.

Understanding of

• routing protocols and networking concepts (e.g. BGP, EVPN, -VXLAN).
• concepts like infrastructure-as-code, version control and disaster recovery.
• fault and performance management of operator networks.
• incident and change management processes.

We also value

• Interest towards and experience in AI assisted workflows and tools (e.g. GitHub Copilot, Claude Code)
• Experience in working in a dynamic and diverse team; while you work on your own tasks, you are expected to share information with others proactively and contribute to the team's ways of working and development as a unit.
• Excellent communication skills with a natural tendency to co-operate across teams and domains.
• You take ownership of your responsibilities and proactively develop your skill set.
• Master's or Bachelor's degree in Telecommunication, Information Technology, Engineering or another relevant field.
• Fluent written and spoken English. English is the working language of our team, while Finnish language skills are considered an advantage.

Why Elisa?

At Elisa, you'll work in a low-hierarchy organisation where managers are trusted to lead, people are encouraged to develop, and new ideas are welcomed. We combine the stability of a well-established company with the agility needed to continuously improve our products and ways of working.

We at Elisa believe in the importance of face-to-face interaction inmaintainingand developing our culture as well as strengthening the sense of belonging and sense of community. We have a hybrid work model in place, where the expectation is thatElisians will work on average three days a week at the office.

Join one of Europe's most equal and appreciated workplaces!Elisa is ranked among world's top 100 most sustainable companies as well as one of the best employers in Europe.

The selected candidate will undergo a drug test and security clearance vetting, which requires having resided in Finland for several years.