Systems Administrator

Oscar Technology; Nottingham; Hybrid; GBP 40,000 - 60,000; Full time

Job summary

A leading company is seeking a Linux Systems Administrator to be the final point of technical escalation in their support function. This hybrid role requires hands-on system administration, project delivery, and strategic problem-solving with a focus on RedHat Linux, cloud infrastructure, and automation. Offering 25 days of holiday, training, and hybrid working options, this position is ideal for those looking to take ownership of critical Linux issues.

Benefits

Hybrid working - 2 days WFH after initial onboarding

25 days holiday plus bank holidays

Funded training & certifications

Qualifications

• Strong hands-on experience with Linux in enterprise environments.
• Solid background in escalated infrastructure support (3rd/4th line).
• Scripting and automation skills (Bash, Python, Terraform).

Responsibilities

• Administer and maintain Linux systems across a hybrid infrastructure.
• Act as the final line of support escalation for complex infrastructure issues.
• Lead patching, monitoring, and system upgrades across virtualised environments.

Skills

Linux

Automation

Cloud Infrastructure

Networking

Scripting (Bash, Python)

Virtualisation

Job description

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On-Call: 1 week in every 3

We're hiring a Linux Systems Administrator to act as the final point of technical escalation for a well-established support function in Nottingham. This hybrid role offers a mix of hands-on system administration, project delivery, and strategic problem-solving across a modern tech stack.

If you're confident in RedHat Linux, automation, cloud infrastructure, and enjoy taking ownership of critical issues - this is for you.

Key Responsibilities:

• Administer and maintain Linux systems across a hybrid infrastructure
• Act as the final line of support escalation for complex infrastructure and server issues
• Lead patching, monitoring, and system upgrades across virtualised environments (VMware, Hyper-V)
• Support core Windows Server environments as needed
• Deliver and automate infrastructure using AWS, Azure, Terraform, Bash, and Python
• Manage IAM platforms (Okta, Azure AD) and support security/compliance across the estate
• Troubleshoot and manage network infrastructure - Cisco switches, VLANs, firewalls
• Support backup (Rubrik), DR (Zerto), and monitoring tools (Dynatrace, Zabbix, Grafana)

What We're Looking For:

• Strong hands-on experience with Linux in enterprise environments
• Solid background in escalated infrastructure support (3rd/4th line)
• Scripting and automation skills (Bash, Python, Terraform)
• Exposure to cloud services (AWS, Azure) and identity platforms (Okta, Azure AD)
• Understanding of virtualisation (VMware/Hyper-V) and core networking concepts
• Calm under pressure and confident managing high-priority incidents independently

What's in It for You:

• Hybrid working - 2 days WFH after initial onboarding
• 25 days holiday bank holidays
• Funded training & certifications

Apply now to take full ownership of your domain as the go-to Linux escalation expert in a forward-thinking infrastructure team.

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