Job Description

Senior Linux DevOps Engineer
Location: Aylesbury (Hybrid Remote, will be required to travel to the office 1-2 days per week)
Employment Type: Full-Time | Hybrid | Travel up to 30%
Seniority Level: Mid-Senior Level
About the Role
We're seeking a talented and experienced Linux DevOps Engineer to join a fast-moving and innovative technology team building a highly secure, cloud-native platform. This is an opportunity to work on cutting-edge infrastructure at scale, where automation, reliability, and security are critical.
You'll be instrumental in managing and optimising Linux environments, driving infrastructure-as-code practices, and enhancing identity, monitoring, and logging solutions across international data centre environments. If you're passionate about Linux, automation, and operational excellence - we'd love to hear from you.
Key Responsibilities

• Enterprise Linux Management: Operate and maintain secure, stable, and scalable Linux systems.
• Monitoring & Alerting: Deploy and manage observability tools (e.g., Sensu, OpsGenie, Grafana Loki).
• Identity & Access Management: Configure FreeIPA (or similar) to control access across systems and environments.
• Security Hardening: Apply best practices using firewallD, SELinux, OpenSCAP, and related frameworks.
• Infrastructure Automation: Use Ansible to automate provisioning, updates, and operational tasks.
• Service Operation: Support cloud-based cybersecurity and compliance services across a global infrastructure.
• Documentation: Keep detailed records of system configurations, changes, and operational procedures.

What You'll Need

• Strong experience in Linux system administration and DevOps practices.
• Hands-on expertise with Ansible for infrastructure automation.
• Proven use of monitoring and alerting tools like Sensu, Grafana, and OpsGenie.
• Knowledge of identity management systems such as FreeIPA.
• Familiarity with logging stacks such as Grafana Loki.
• Good understanding of security hardening techniques and failover strategies.
• Excellent troubleshooting and communication skills.
• Fluency in English (spoken and written).

Preferred Qualifications

• Degree in Computer Science, Information Technology, or equivalent professional experience.
• Background in cybersecurity, cloud services, or platform operations.
• Exposure to global-scale infrastructure environments or highly regulated industries.

Why Apply

• Work on a platform that's helping protect critical digital infrastructure worldwide.
• Be part of a collaborative international team of engineers and technologists.
• Hybrid flexibility, with roles available in both the UK and Germany.
• Competitive salary and career development opportunities.

For more information on this exciting DevOps role, apply now!