We are supporting a growing technology organisation seeking a Senior Systems Administrator to manage and scale its internal IT and network infrastructure.

This role is hands-on and varied, combining day-to-day IT support with longer-term systems, security, and automation initiatives. You will work closely with internal teams to ensure reliable, secure, and efficient technology operations across the business.

Responsibilities

• Administer Microsoft 365 including user accounts, permissions, licensing, and security configurations
• Provision, image, deploy, and maintain laptops and other hardware across their lifecycle
• Build, maintain, and troubleshoot corporate networks, servers, virtualization platforms, and cloud services
• Monitor alerts and logs, respond to incidents, and maintain backup and recovery processes
• Diagnose system outages, performance issues, and infrastructure bottlenecks
• Manage access provisioning across SaaS platforms and on-prem environments
• Coordinate with third-party vendors for hardware, software, and networking services
• Support IT and DevOps-related projects through to delivery

Requirements

• Proven experience as a Systems Administrator, Network Administrator, or IT Support Specialist
• Solid understanding of networking, VPNs, firewalls, and virtualization
• Experience with device imaging and deployment
• Strong troubleshooting and problem-solving skills
• Clear communication skills and a service-focused mindset
• Current CCNA or RHCE certification
• Current IAT II compliant certification
• Automation or DevOps tooling such as Ansible, Packer, Python, or Bash
• Linux and Windows server administration
• Security monitoring and incident response
• Familiarity with CMMC and NIST 800-171 compliance frameworks
• Additional certifications such as Security+, Microsoft, AWS, or Azure