Senior Linux System Administrator
Senior Linux System Administrator

Senior Linux System Administrator

City of 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 tech team in Central London focused on innovative infrastructure solutions.
  • Benefits: Enjoy a hybrid work model with competitive salary and opportunities for growth.
  • Why this job: Be part of a cutting-edge environment that values automation and real-time data management.
  • Qualifications: Strong Linux admin skills and experience with Kubernetes, GitLab, and observability tools 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'll benefit from competitive salaries, opportunities for professional growth, and a hybrid working model that promotes work-life balance. With access to cutting-edge technologies and a supportive team environment, this role is perfect for those looking to make a meaningful impact while advancing their career.
N

Contact Detail:

Ninetech Recruiting Team

StudySmarter Expert Advice 🤫

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

✨Tip Number 1

Familiarise yourself with the specific Linux distributions mentioned in the job description, such as RHEL, CentOS, and Rocky. Having hands-on experience with these systems will not only boost your confidence but also demonstrate your readiness for the role.

✨Tip Number 2

Brush up on your Kubernetes skills, especially in managing clusters and containerised workloads. Consider contributing to open-source projects or setting up your own mini-cluster at home to showcase your practical knowledge during interviews.

✨Tip Number 3

Gain a solid understanding of CI/CD processes using GitLab. You could create a small project that utilises GitLab for version control and automation, which will give you real-world examples to discuss in your interview.

✨Tip Number 4

Get comfortable with observability tools like Grafana, Prometheus, Kibana, and Elasticsearch. Setting up a personal project where you monitor system health can provide you with valuable insights and talking points when discussing your experience.

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

Linux Administration (RHEL/CentOS/Rocky)
Kernel Tuning
System Optimization
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.

Craft a Compelling Cover Letter: In your cover letter, explain why you are passionate about Linux infrastructure and how your background aligns with the responsibilities listed in the job description. Mention any relevant projects or achievements.

Showcase Relevant Skills: When detailing your experience, focus on your hands-on skills with RHEL/CentOS/Rocky, Kubernetes management, and automation using Ansible. Be specific about your contributions to previous roles.

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.

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 where you've optimised systems or resolved complex issues.

✨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 container orchestration.

✨Familiarity with CI/CD Tools

Make sure to talk about your proficiency with GitLab and how you've used it for version control and CI/CD workflows. Share any specific projects where these tools played a crucial role in your success.

✨Problem-Solving Scenarios

Prepare to discuss real-world scenarios where you've diagnosed and resolved issues across various infrastructure layers. Use the STAR method (Situation, Task, Action, Result) to structure your answers effectively.

Senior Linux System Administrator
Ninetech
N
  • Senior Linux System Administrator

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

    Application deadline: 2027-06-24

  • N

    Ninetech

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