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- Tasks: Manage and optimise Ubuntu-based Linux systems in a private cloud environment.
- Company: Join a tech-for-good company focused on impactful projects.
- Benefits: Enjoy a £75,000 salary and a remote-first working environment.
- Why this job: Work closely with real hardware and solve meaningful problems.
- Qualifications: Deep experience with Linux systems, especially Ubuntu, and strong networking knowledge required.
- Other info: No lengthy hiring process; just straightforward conversations to find the right fit.
The predicted salary is between 54000 - 84000 £ per year.
G.Digital are back with one of our favourite partners in the Tech for good space who are in need of a Senior Linux Wizard to oversee a new exciting project. You’ll be joining a small, highly skilled team working on a large-scale, embedded server platform — built on Ubuntu, running on real hardware, and powering production systems used by thousands. This isn’t a role buried in abstraction — you’ll be close to the metal, solving real problems with real consequences.
What You’ll Do
- Maintain and optimise Ubuntu-based Linux systems running in a private cloud environment.
- Monitor, troubleshoot, and improve performance across systems and services.
- Manage production databases (PostgreSQL, Cassandra, Redis, Kafka) with a focus on reliability and scalability.
- Work on network infrastructure — including WireGuard tunnels, BGP configuration, and general network troubleshooting.
- Contribute to internal tooling (AMIs, automation, monitoring) and help shape the direction of infrastructure projects.
- Occasionally provide out-of-hours support as part of a shared rotation (All within normal working hours Monday - Friday).
What We’re Looking For
- Deep experience running Linux systems in production — especially Ubuntu.
- Confidence in managing, tuning, and troubleshooting relational and distributed databases.
- Strong understanding of networking concepts — experience with VPNs, routing, and security best practices.
- Comfortable working independently, but with strong communication and documentation habits.
- Ability to collaborate with engineers across backend, DevOps, and infrastructure teams.
What We Offer
- £75,000 salary
- Remote-first working environment (UK-based).
- Modern, straightforward hiring process (no take-home tests or endless rounds).
- A team that values trust, autonomy, and getting things done properly.
Hiring Process
- Intro Call – 20 minutes with the hiring manager to understand your experience and interests.
- 90 minute interview including – Focused conversation on Linux internals, debugging, and systems architecture.
- Team Session – Meet with peers to explore collaboration fit.
- Final Conversation – Discuss the company, role, and your expectations.
Senior Linux System Administrator employer: G.Digital
Contact Detail:
G.Digital 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 technologies mentioned in the job description, such as Ubuntu, PostgreSQL, and WireGuard. Having hands-on experience or projects that showcase your skills with these tools will make you stand out during the interview process.
✨Tip Number 2
Prepare to discuss real-world scenarios where you've optimised Linux systems or resolved complex issues. Be ready to share specific examples that demonstrate your problem-solving abilities and technical expertise, as this role requires a hands-on approach.
✨Tip Number 3
Brush up on your networking knowledge, especially around VPNs and routing. Since the role involves network infrastructure, being able to articulate your understanding of these concepts will show that you're well-prepared for the challenges ahead.
✨Tip Number 4
Emphasise your communication and documentation skills during the interview. This role requires collaboration with various teams, so showcasing your ability to work independently while also effectively communicating with others will be crucial.
We think you need these skills to ace Senior Linux System Administrator
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with Ubuntu and Linux systems. Include specific examples of projects where you've optimised performance or managed databases like PostgreSQL or Redis.
Craft a Compelling Cover Letter: In your cover letter, express your passion for working in the Tech for good space. Mention how your skills align with the responsibilities listed in the job description, particularly your experience with network infrastructure and troubleshooting.
Showcase Relevant Projects: If you have worked on any relevant projects, either professionally or personally, be sure to mention them. Highlight your hands-on experience with private cloud environments and any tools you've developed or contributed to.
Prepare for Interviews: Anticipate questions related to Linux internals, debugging, and systems architecture. Brush up on your knowledge of networking concepts and be ready to discuss your approach to problem-solving in real-world scenarios.
How to prepare for a job interview at G.Digital
✨Showcase Your Linux Expertise
Be prepared to discuss your hands-on experience with Ubuntu and other Linux systems. Highlight specific projects where you've optimised performance or solved complex issues, as this will demonstrate your deep understanding of the platform.
✨Demonstrate Database Management Skills
Since managing production databases is key for this role, be ready to talk about your experience with PostgreSQL, Cassandra, Redis, and Kafka. Share examples of how you've ensured reliability and scalability in past projects.
✨Understand Networking Concepts
Brush up on your knowledge of networking, especially VPNs, routing, and security best practices. Be prepared to answer questions about WireGuard tunnels and BGP configuration, as these are crucial for the role.
✨Communicate Effectively
Strong communication and documentation habits are essential. Practice explaining complex technical concepts in a clear and concise manner, as you'll need to collaborate with various teams and ensure everyone is on the same page.
