Posted 4mo ago

Systems Administrator

@ Sentient Jet
Farnborough, England, United Kingdom
OnsiteFull Time
Responsibilities:Build infrastructure, Administer systems, Monitor performance
Requirements Summary:4+ years IT infrastructure or systems administration; strong Microsoft 365, Windows Server, AD, Azure AD, Intune; networking (Palo Alto/Meraki); virtualization (VMware/Hyper-V); MDM (Intune); security mindset; 24/7 operations support; excellent troubleshooting and documentation.
Technical Tools Mentioned:Microsoft 365, Windows Server, Active Directory, Azure AD, Intune, VMware, Hyper-V, Palo Alto, Meraki, Veeam, Datadog, PowerShell, CCTV, Access Control
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Systems Administrator






Department:
820 MIS
Location:
Farnborough







Flexjet is redefining private aviation by delivering an elegant, high-performing and modern multi-tenant booking and operations platform supporting multiple brands across the globe. Join a cross-functional team where your work directly transforms the owner experience.

We�re looking for a versatile Systems Administrator to join our Farnborough-based team. You�ll be the hands-on expert responsible for ensuring the stability, security and performance of our network, servers and cloud services. From cabling and hardware setup to cloud and identity management, you�ll play a critical role in maintaining and evolving the systems that power our international operations.

Your Mission:

  • Build, maintain, and support core IT infrastructure across servers, networking, and datacentres.
  • Administer Microsoft 365, Active Directory, Azure AD, and hybrid identity environments.
  • Manage comms rooms � from cabling, patching, and racking to environmental oversight.
  • Implement and maintain MDM solutions (Intune essential, Jamf desirable) for secure device management.
  • Monitor system performance, backups, and security baselines to ensure uptime and reliability.
  • Collaborate with global IT teams to document, improve, and evolve infrastructure processes.

Must-haves:

  • 4+ years� experience in IT Infrastructure or Systems Administration roles.
  • Proven hands-on expertise with Microsoft 365, Windows Server, Active Directory, Cloud/Hybrid/OnPrem domains, printer Servers.
  • Strong networking knowledge (VLANs, VPNs, firewalls, routing, Wi-Fi) - Palo Alto / Meraki preferred.
  • Practical experience with virtualization platforms (VMware or Hyper-V).
  • Demonstrated ability to manage MDM environments, especially Intune.
  • A strong information security mindset, with working knowledge of core security principles and practical application across systems, identity, and network layers.
  • Experience monitoring and supporting critical 24�7 operations, ensuring uptime and rapid incident response.
  • Working knowledge of Meeting Rooms, AV systems, and connectivity support for conferencing solutions.
  • Excellent troubleshooting, documentation, and communication skills.

Nice-to-haves:

  • Certifications such as CompTIA Network+/Security+, or Microsoft Endpoint/Azure Administrator.
  • Experience using Microsoft�s security suite � Defender, Purview, and eDiscovery.
  • Experience with datacentre operations and structured cabling.
  • Familiarity with backup, monitoring, and automation tools (Veeam, Datadog, PowerShell).
  • Experience delivering security solutions including CCTV, access control.
  • Prior experience in aviation, hospitality, or other high-availability operational environments.

Candidates must possess the legal ability to work in the United Kingdom.

Flexjet is an equal-opportunity employer. We aim to choose individuals who have the highest integrity; those who personify genuine concern for customers and fellow employees alike. More than anything, we look for individuals who grasp the importance of trust in an employer/employee relationship.








 


 

 

 


 

 

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