System Administrator - Linux

Systems Engineer

We are seeking a versatile Systems Engineer to join our team and support the ongoing growth and stability of our hybrid IT infrastructure. The role will focus primarily on Linux systems, security, compliance and maintenance, while providing flexibility to support Microsoft environments when required.

Role Summary

As a Mixed-Platform Systems Engineer, you will manage and optimise our Linux systems, contribute to the administration of our Windows Server environment, and collaborate across teams to ensure the smooth operation of our platforms. This is a hands-on role offering opportunities to learn and grow within a broad technology stack.

Key Responsibilities

• Administer, manage, and optimise Linux servers (Ubuntu & CentOS) across physical, virtual, and cloud environments.
• Configure, maintain, and secure web servers (Apache and Nginx) hosting PHP applications.
• Implement and manage server security using firewalls (UFW, iptables) and tools such as Fail2Ban.
• Support and maintain database systems (MySQL and MariaDB).
• Provide operational support for both Linux and Windows Server systems, including patching, monitoring, and troubleshooting.
• Support Microsoft Windows Server environments (2016/2019/2022), including Active Directory, DNS, DHCP, and Group Policy management.
• Work closely with Development teams to provision, secure and maintain development and testing environments.
• Assist with ServiceDesk escalations and provide advanced troubleshooting for systems-related issues.
• Participate in architecture discussions, capacity planning, and the implementation of new infrastructure solutions.
• Implement and maintain security best practices across all platforms.
• Maintain comprehensive and up-to-date system documentation and operational procedures.
• Participate in out-of-hours support on a rotational basis (post-probation).

What We’re Looking For

You are a collaborative and adaptable Systems Engineer who thrives in a fast-paced environment. You can confidently engage with both technical and non-technical stakeholders to ensure the reliability, security, and performance of our hybrid server infrastructure. You should be comfortable handling both project work and third-line support escalations when required. A proactive attitude, the ability to work independently, and strong team collaboration skills are key.

Required Skills & Experience

• Strong experience in Linux server administration.
• Proven ability to support and troubleshoot LAMP or LEMP stacks.
• Familiarity with hosting and tuning PHP-based applications.
• Solid experience with Windows Server technologies, networking, and administration.
• Good understanding and experience enabling proven cyber security best practices.
• Excellent verbal and written communication skills.

If you are interested in this position please apply online or for more information please contact me on