At a Glance
- Tasks: Maintain 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 remote-first work culture with a competitive salary of £75,000.
- Why this job: Be part of a skilled team solving real-world problems with cutting-edge technology.
- 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.
Senior Linux System Administrator
£75,000 • Remote (UK) • Private Cloud Infrastructure • Hands-On Role
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.
Linux System Administrator - Linux, AWS employer: G.Digital
Contact Detail:
G.Digital Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Linux System Administrator - Linux, AWS
✨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
During the team session, focus on demonstrating your collaborative skills. Highlight experiences where you've worked with cross-functional teams, as the ability to communicate effectively with engineers across different areas is crucial for this position.
We think you need these skills to ace Linux System Administrator - Linux, AWS
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with Linux systems, particularly Ubuntu, and any relevant cloud infrastructure work. Use specific examples that demonstrate your skills in managing databases and troubleshooting network issues.
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 the role, such as maintaining private cloud environments and contributing to internal tooling.
Showcase Relevant Projects: If you have worked on projects involving PostgreSQL, Cassandra, or network infrastructure, be sure to include these in your application. Highlight your hands-on experience and any specific challenges you overcame.
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 production databases is a key part of the 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 your previous roles.
✨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 skills are essential, especially when collaborating with engineers across different teams. Practice explaining complex technical concepts in simple terms, and be ready to discuss how you document your work.