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- Tasks: Maintain and optimise Ubuntu-based Linux systems in a private cloud environment.
- Company: Join G.Digital, a leader in the Tech for good space, making a real impact.
- Benefits: Enjoy a £75,000 salary and a remote-first working environment.
- Why this job: Work closely with real hardware on exciting projects that power thousands of production systems.
- Qualifications: Deep experience with Linux systems, especially Ubuntu, and strong networking knowledge required.
- Other info: No lengthy hiring processes; just straightforward conversations to find your 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 give you a significant edge 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 how you’ve contributed to system performance improvements.
✨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 responsibilities of the position.
✨Tip Number 4
Emphasise your communication and documentation skills during the interview. The ability to collaborate effectively with other teams is crucial, so be prepared to discuss how you’ve successfully worked with others in past roles.
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, as well as your skills in managing databases like PostgreSQL and Cassandra. Use specific examples to demonstrate your hands-on experience and problem-solving abilities.
Craft a Compelling Cover Letter: In your cover letter, express your passion for working in the Tech for good space. Mention how your background aligns with the responsibilities of maintaining and optimising private cloud infrastructure, and showcase your understanding of networking concepts.
Highlight Relevant Projects: If you've worked on similar projects or have experience with network infrastructure and automation tools, be sure to include these in your application. This will show that you have the practical skills needed for the role.
Prepare for Interviews: Familiarise yourself with common Linux internals and debugging techniques. Be ready to discuss your previous experiences in detail, especially those that demonstrate your ability to work independently and collaborate with teams.
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 databases like PostgreSQL and Cassandra is crucial for this role, be ready to talk about your experience with these technologies. Share examples of how you've ensured reliability and scalability in production environments.
✨Understand Networking Concepts
Brush up on networking fundamentals, especially related to VPNs, routing, and security best practices. Be prepared to answer questions about your experience with network infrastructure and troubleshooting, as this is a key aspect of the job.
✨Communicate Effectively
Strong communication skills are essential, especially when collaborating with different teams. Practice articulating your thoughts clearly and concisely, and be ready to discuss how you document processes and share knowledge with colleagues.
