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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: Be part of a skilled team solving real-world problems with cutting-edge technology.
- Qualifications: Experience with Linux systems, databases, and networking is essential.
- Other info: No lengthy hiring processes; 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.
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 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 managing 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 how you've managed production databases and network infrastructure, as these are key aspects of the role.
Craft a Compelling Cover Letter: In your cover letter, express your passion for working in the Tech for good space. Mention your hands-on experience and how it aligns with the company's mission. Be sure to address your ability to work independently while collaborating effectively with teams.
Showcase Relevant Skills: Clearly outline your skills in managing and troubleshooting databases like PostgreSQL and Cassandra. Highlight your understanding of networking concepts, including VPNs and routing, as these are crucial for the position.
Prepare for Interviews: Anticipate questions about Linux internals and systems architecture. Be ready to discuss your previous experiences in detail, especially those that demonstrate your problem-solving abilities and communication skills.
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 Knowledge
Since managing databases like PostgreSQL and Cassandra is crucial for this role, be ready to talk about your experience with these technologies. Discuss how you've ensured reliability and scalability in past projects.
✨Understand Networking Concepts
Brush up on networking fundamentals, especially VPNs and routing. Be prepared to answer questions about your experience with network troubleshooting and security best practices, as these are key components of the job.
✨Communicate Effectively
Strong communication skills are essential, especially when collaborating with different teams. Practice explaining complex technical concepts in a clear and concise manner, as this will help you stand out during team sessions.
