Senior Linux System Administrator
Senior Linux System Administrator

Senior Linux System Administrator

London Full-Time 52000 - 84000 £ / year (est.) No home office possible
N

At a Glance

  • Tasks: Manage and optimise Linux servers, Kubernetes clusters, and CI/CD processes.
  • Company: Join a dynamic team in Central London focused on cutting-edge technology.
  • Benefits: Enjoy a hybrid work model with competitive salary and growth opportunities.
  • Why this job: Be part of a collaborative culture that values innovation and problem-solving.
  • Qualifications: Strong Linux admin skills and experience with Kubernetes and GitLab required.
  • Other info: Participate in global operations support and enhance your technical expertise.

The predicted salary is between 52000 - 84000 £ per year.

We are seeking a skilled Linux Infrastructure Engineer to join our team in a hybrid role based in Central London.

Key Responsibilities:

  • Deploy, configure, and manage Linux-based servers and services.
  • Enhance and maintain custom system services and OS-level configurations.
  • Manage Kubernetes clusters and containerized workloads.
  • Administer GitLab infrastructure for CI/CD processes.
  • Operate and maintain Kafka clusters for real-time data pipelines.
  • Diagnose and resolve issues across systems, networks, containers, and applications.
  • Use observability tools (Grafana, Prometheus, Kibana, Elasticsearch) to monitor system health.
  • Automate system management tasks using Ansible.
  • Participate in an on-call rotation to support global operations.

Required Skills & Experience:

  • Strong hands-on Linux (RHEL/CentOS/Rocky) administration, including kernel tuning and system optimization.
  • Production-level experience managing Kubernetes clusters.
  • Proficiency with GitLab for version control and CI/CD workflows.
  • Solid understanding of Kafka in high-throughput environments.
  • Experience with observability tools such as Grafana, Prometheus, Kibana, and Elasticsearch.
  • Expertise in Ansible for automation and configuration management.
  • Strong problem-solving skills across infrastructure layers (compute, network, OS, containers).

Senior Linux System Administrator employer: Ninetech

Join a forward-thinking company that values innovation and collaboration, offering a dynamic work culture in the heart of Central London. As a Senior Linux System Administrator, you will benefit from competitive salary packages, opportunities for professional development, and a supportive environment that encourages growth and creativity. With a hybrid working model, you can enjoy the flexibility of remote work while being part of a vibrant team dedicated to cutting-edge technology solutions.
N

Contact Detail:

Ninetech Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Linux System Administrator

✨Tip Number 1

Make sure to showcase your hands-on experience with Linux administration, especially with RHEL, CentOS, or Rocky. Highlight specific projects where you've optimised system performance or tuned kernels, as this will resonate well with our requirements.

✨Tip Number 2

Demonstrate your expertise in managing Kubernetes clusters by discussing any challenges you've faced and how you overcame them. This will show us that you have practical knowledge and can handle real-world scenarios.

✨Tip Number 3

Familiarise yourself with the observability tools mentioned in the job description, like Grafana and Prometheus. Being able to discuss how you've used these tools to monitor and improve system health will give you an edge.

✨Tip Number 4

If you have experience with automation using Ansible, be prepared to share examples of how you've automated system management tasks. This is a key part of the role, and demonstrating your skills here will make you stand out.

We think you need these skills to ace Senior Linux System Administrator

Linux Administration (RHEL/CentOS/Rocky)
Kernel Tuning
System Optimisation
Kubernetes Management
GitLab for CI/CD
Kafka in High-Throughput Environments
Observability Tools (Grafana, Prometheus, Kibana, Elasticsearch)
Ansible for Automation
Problem-Solving Skills
Container Management
Network Administration
System Configuration Management
On-Call Support Experience

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your experience with Linux administration, Kubernetes, GitLab, and observability tools. Use specific examples that demonstrate your skills in these areas to catch the employer's attention.

Craft a Compelling Cover Letter: In your cover letter, express your enthusiasm for the role and the company. Mention how your background aligns with the key responsibilities listed in the job description, particularly your hands-on experience with Linux and automation using Ansible.

Showcase Relevant Projects: If you have worked on relevant projects, either professionally or personally, include them in your application. Highlight your contributions to managing Kubernetes clusters or implementing CI/CD processes with GitLab.

Proofread Your Application: Before submitting, carefully proofread your application for any spelling or grammatical errors. A polished application reflects your attention to detail, which is crucial for a technical role like this.

How to prepare for a job interview at Ninetech

✨Showcase Your Linux Expertise

Be prepared to discuss your hands-on experience with Linux administration, particularly with RHEL, CentOS, or Rocky. Highlight specific examples of kernel tuning and system optimisation you've performed in previous roles.

✨Demonstrate Kubernetes Knowledge

Since managing Kubernetes clusters is a key responsibility, be ready to explain your production-level experience. Discuss any challenges you've faced and how you overcame them, as well as your approach to containerised workloads.

✨Familiarity with CI/CD Tools

Make sure to talk about your proficiency with GitLab for version control and CI/CD processes. Share examples of how you've implemented these workflows in past projects and the impact they had on efficiency.

✨Problem-Solving Scenarios

Prepare to discuss specific instances where you've diagnosed and resolved issues across various infrastructure layers. Use observability tools like Grafana or Prometheus to illustrate how you monitor system health and respond to incidents.

Senior Linux System Administrator
Ninetech
N
  • Senior Linux System Administrator

    London
    Full-Time
    52000 - 84000 £ / year (est.)

    Application deadline: 2027-06-25

  • N

    Ninetech

Similar positions in other companies
UK’s top job board for Gen Z
discover-jobs-cta
Discover now
>