Linux Systems Administrator - Nottingham (Hybrid) £40,000 - £45,000 On-Call Allowance (£2,000-£3,000) Hours: Monday-Friday, 9 AM - 5 PM 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: £40,000 - £45,000 base on-call (£2,000-£3,000/year) Hybrid working - 2 days WFH after initial onboarding 25 days holiday bank holidays Health & wellbeing support 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. Oscar Associates (UK) Limited is acting as an Employment Agency in relation to this vacancy. To understand more about what we do with your data please review our privacy policy in the privacy section of the Oscar website.