Senior Site Reliability Engineer

Ericsson; Athlone; On-site; EUR 80,000 - 120,000; Full time

Job summary

Ericsson in Ireland is seeking an open-minded SRE to design, operate and scale cloud-native private clouds. You will work on Kubernetes-based platforms, automate CI/CD pipelines, and build robust monitoring and storage solutions in a fast-paced team.

The role emphasizes on-call readiness, collaboration, and continuous learning within a cloud-native environment. Strong Linux and programming skills are desirable for this challenging position.

Qualifications

• A degree in Electrical Engineering, Computer Science, Software Engineering, or Telecommunications.
• Strong open-source and cloud-native experience.
• Proven ability to automate tasks and work in a fast-paced startup environment.
• Willingness to participate in on-call duties.

Responsibilities

• Design, implement, test, and operate high-quality private clouds using Kubernetes and cloud-native ecosystem.
• Automate and build advanced CI/CD platforms and software supply chains.
• Develop monitoring, logging, alerting, and proactive issue responses.
• Build data center networks, Kubernetes CNIs solutions, and distributed storage systems like Ceph.
• Engage in scaling, performance tuning, systematic problem-solving, cloud-native security, and Kubernetes hardening.

Skills

Open-source mindset

On-call readiness

Team collaboration

Self-driven

Startup pace adaptability

Education

Electrical Engineering / Computer Science / Software Engineering / Telecommunications degree

Tools

Kubernetes

Ceph

Docker

Rancher

Jenkins

ELK

Redis

Spinnaker

GitOps

Kubeflow

Terraform

Ansible

Job description

Grow with us Are you detail-oriented with experience in software, appliances, or system engineering? Are you passionate about designing and operating cloud-native production services at scale? Do you enjoy working with open-source projects and distributed system design, focusing on operational stability and performance?

Grow with us Are you detail-oriented with experience in software, appliances, or system engineering? Are you passionate about designing and operating cloud-native production services at scale? Do you enjoy working with open-source projects and distributed system design, focusing on operational stability and performance? The EWS Site Reliability Engineering (SRE) team offers an excellent opportunity in a fast-paced, innovative, and highly collaborative technical environment. We are looking for an open-minded, self-driven team member to join a group of top-tier SREs in Shared Development Clouds. With a solution-oriented attitude and an engineering-focused culture, we are responsible for architecting, designing, implementing, deploying, and operating full-stack cloud-native infrastructure and platforms—from hardware to microservices—to enable Ericsson's cloud-native development environment and 5G business.

What You Will Do

• Design, implement, test, and operate high-quality, failure-resistant private clouds using Kubernetes and the cloud-native ecosystem, ensuring reliability and performance at scale.
• Automate and build advanced CI/CD platforms and software supply chains.
• Develop monitoring, logging, alerting, and proactive issue responses.
• Build data center networks, Kubernetes CNIs solutions, and distributed storage systems such as Ceph and Kubernetes CSIs.
• Engage in scaling, performance tuning, systematic problem-solving, cloud-native security, and Kubernetes hardening.

What You Will Bring

• A degree in Electrical Engineering, Computer Science, Software Engineering, Telecommunications, or a related technical field.
• A commitment to continuous learning and a passion for open-source technology.
• A knack for creating tools to automate routine tasks; organized and meticulous.
• Ability to thrive in a team setting at a startup pace, with an open mind and self-drive.
• Flexibility to manage on-call duties.
• Expertise in Linux (RHEL, SLES, Ubuntu) and Linux kernel knowledge is a plus.
• Proficiency in at least one programming language (e.g., Go, Python, C/C++).
• Experience in research, software development, platform development, hardware or appliances, IT, service operations, and cloud operations.
• Skills in Linux system administration and network administration.
• Knowledge of data center infrastructure, replication, scaling, and performance tuning.
• Familiarity with metrics, monitoring, and integrating open-source tools.
• Experience with CI/CD tooling and release engineering.
• Experience with public clouds (Azure, AWS, GCP) and comfort with Go, Python, bash scripts, etc.
• Experience with tools such as Git, GitLab, Docker, Rancher, Jenkins, ELK, Redis, Spinnaker, GitOps, Kubeflow, and Ceph.
• Knowledge of Infrastructure as Code tools like Ansible and Terraform.
• Deep knowledge of cloud-native and Kubernetes ecosystems.
• Experience with eBPF and familiarity with Kubeflow/TensorFlow.
• Understanding of cloud technologies: compute, storage, network, database, and security.

Why join Ericsson?

At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.

Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.

Primary country and city:

Ireland (IE) || Athlone