Infrastructure Site Reliability Engineer

5+ Years Proven experience in globally scaled, performance-intensive environments operating to a 24/7 support model

Expert-level Linux administration, especially Ubuntu distributions

Proficiency in system tuning, disk I/O optimization, and hardware-level performance tweaks

Familiarity with Out of Band management tools (IPMI, Redfish, PXE, etc.)

Strong networking fundamentals: TCP/IP, DNS, DHCP, VLANs, routing, switching

Strong experience with infrastructure scripting and automation (Bash, Python, Ansible)

Deep understanding of observability principles and tools (Prometheus, Grafana)

Hands-on experience operating orchestration platforms (Kubernetes, MAAS, Tinkerbell)

Strong grasp of ITSM and service operation best practices

Excellent communication and mentorship skills

Comfortable interfacing with internal stakeholders and external customers

Bonus: Knowledge of HPC workloads and GPU-based infrastructure

Bonus: Experience with InfiniBand networks and HPC performance tuning

Bachelor or Masters Level degree in Computer Science, Engineering or related field, or equivalent experience.

LPIC Certifications

ITIL Foundation level qualification or equivalent experience

You approach problems with a systems mindset - balancing practical execution with long-term scalability

You elevate the team, setting high standards for technical quality and engineering excellence.

You hold yourself and others accountable - giving direct feedback and expecting the same

You take initiative, owning challenges end-to-end and proactively driving solutions.

You invest in others, mentoring to build both capability and confidence.

You communicate clearly - translating complexity into clarity across engineering and business audiences

What sets us apart is our blend of modern technology, competitive benefits, and an open, welcoming work culture that enables our people to thrive.

Here are just some of the great things you can expect from us:

25 days of annual leave: we value your peace of mind. With 30 days off (excluding public holidays) and access to mental health resources, we make sure you're as strong mentally as you are professionally.

A culture that emphasises results over hierarchy, process & ego: we place great emphasis on the quality, ingenuity and creativity of work.

Open communication, regular feedback: we value smooth collaboration, direct and actionable feedback, and believe that leading with empathy and a growth mindset makes us better together.

Learning Time : we all have dedicated learning time to focus on new skills, projects or interests that lay outside of your day-to-day job.

Health & Wellbeing: we want everyone to feel healthy and happy, so we offer private medical insurance via Bupa.

Cycle to Work Scheme: we're committed to building a sustainable business, so we encourage cycling to work.

Gympass subscription to a variety of gyms and wellbeing apps

Participation in the company shares program

Enhanced parental pay & leave

Diversity, Equality, Inclusion and Belonging

We are an equal opportunity employer and we strive to reduce unconscious bias throughout our hiring process. All applicants will be considered for employment without attention to ethnicity, religion, sexual orientation, gender identity, family or parental status, national origin, veteran, neurodiversity status or disability status. To ensure our recruitment processes provide an equal opportunity for all applicants to succeed, we encourage you to let us know if there are any adjustments that we can make.