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System Administrator | Server Hosting Infrastructure | Mission-Critical SaaS
Our client is seeking a Senior Linux System Administrator to join their expanding organization that powers critical applications in healthcare, finance, and government. The company is privately held, headquartered in the UK & USA, with offices worldwide. Their software is used daily by millions across more than 100 countries, with 200+ employees in the UK and 1,800 globally.
The role is based in a prestigious new office near Windsor train station, with a flexible work arrangement of 3 days in the office per week due to the vibrant company culture.
You will be involved in designing server layouts, ensuring space, power, and cooling provisions, and working with engineering teams to optimize performance and efficiency of hosted solutions.
As a senior Linux System Administrator, your responsibilities include supporting all hosted services, resolving incidents promptly, and deploying updates as needed.
The core technical environment includes:
* Linux deployment and management with RHEL
* Automation using Puppet, with experience in Ansible or Chef considered a plus
* VMware 6 deployment and management of hundreds of virtual servers
Working in a mission-critical environment, you must have experience managing live production systems, troubleshooting proactively, and ensuring high availability—servers must never go down.
Responsibilities:
* Lead deployment of applications and changes, ensuring documentation and monitoring
* Administer and maintain hosted solutions, including firewalls, switches, servers, and storage
* Provide technical support across hosted services
* Provision and deploy server, network, and hosting equipment, including hands-on configuration
* Collaborate with stakeholders to secure pre-operational sign-offs
Benefits include:
* 10% bonus (potentially doubled with good performance)
* Up to 5% pension contributions
* 25 days holiday
* Private healthcare for employee and family
* Gym membership contribution of £400/year
* Life assurance of 3x salary
This is a fantastic opportunity to join a well-established business on the rise. If interested, please apply today!
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