Senior IT Infrastructure / Systems Engineer

Join Flatrock as a Senior IT Infrastructure/System Engineer. Lead infrastructure projects and secure solutions in a remote UK role.

• Design, build, and support corporate networks, servers, storage, telephony, and systems
• Implement secure, fault-tolerant infrastructure solutions
• Provide technical leadership and architectural direction across multiple teams
• Act as an internal escalation point for complex infrastructure issues
• Plan and execute projects across the infrastructure landscape
• Lead and participate in infrastructure, systems, and application projects
• Migrate systems from on‑premise to co‑location and cloud environments
• Mentor less senior staff
• Manage vendors for hardware, software, and service troubleshooting
• Help define and execute enterprise-wide infrastructure strategy
• Develop solutions supporting international expansion
• 8+ years of hands-on experience with enterprise LAN/WAN, servers, and storage
• Strong experience with routing, switching, firewalls, wireless infrastructure (physical & virtual)
• Hands-on experience with VMware ESXi, vSphere, and vCenter
• Experience administering Okta SSO / MFA
• Extensive experience with Microsoft Server OS and Active Directory
• Cloud experience with AWS and Azure (cloud-first approach)
• Disaster recovery and business continuity design experience
• Microsoft collaboration stack: O365, Teams, SharePoint, OneDrive
• Strong scripting skills
• Patch deployment experience
• Network and systems monitoring experience (plus)
• Splunk experience (plus)
• ITIL experience (plus)
• Linux experience (plus)
• Cisco Meraki experience (plus
• Minimum AA degree in Information Systems or equivalent experience
• Cisco certification (plus)
• O365 certifications (plus)
• AWS certifications (plus)
• Windows certifications (plus)

• AA degree in Information Systems
• Cisco certification
• O365 certifications
• AWS certifications
• Windows certifications