IT Infrastructure & Security Engineer

• Life assurance
• Private healthcare cover
• Incremental holiday entitlement
• Extra paid day off for your birthday
• Company sick pay scheme
• Attendance bonus
• Employee assistance programme
• Perkbox rewards
• Free fruit delivered weekly
• Free onsite parking
• Staff events, We are seeking a capable and driven IT Infrastructure & Security Engineer to join our team. The successful candidate will have a strong technical background across Microsoft environments, networking, and security, with hands-on experience supporting and enhancing enterprise infrastructure. This role plays a key part in ensuring the reliability, scalability, and security of our systems, while contributing to ongoing projects, automation, and operational improvements., * Act as a senior escalation point for Service Desk, supporting complex infrastructure and security issues
• Provide day-to-day support and maintenance of core IT infrastructure including Windows Server, Active Directory, virtual environments, and business-critical systems
• Support and maintain security controls across the environment (MFA, VPN, endpoint protection, access control, etc.)
• Investigate and respond to security alerts, incidents, and vulnerabilities, ensuring timely remediation
• Assist with infrastructure and security projects, supporting delivery
• Monitor systems, logs, and alerts to identify issues, risks, and potential threats
• Perform regular infrastructure health checks, patching, and system updates to maintain stability and security
• Support firewall, network, and VPN configurations alongside senior engineers where required (Palo Alto or similar)
• Assist with user access control, permission structures, and identity management within Microsoft 365, Entra ID, and Active Directory
• Support and manage endpoint environments using Intune MDM, Windows Autopilot and RMM
• Provide support for cloud platforms including Azure and Microsoft 365, alongside basic AWS environments
• Assist with DNS, CDN, and security services such as Cloudflare (WAF, DNS, Zero Trust where applicable)
• Support RMM platforms for monitoring, automation, patching, and remote management of endpoints and servers
• Create and maintain technical documentation, knowledge base articles, and operational procedures
• Automate routine tasks and improvements using PowerShell or similar tools where possible
• Work closely with internal teams and international sites to support IT operations and minimise disruption

Do you have experience in Virtualization?, * Proven experience in an Infrastructure Engineer, Security Engineer, or advanced 2nd/3rd line IT role

• Strong knowledge of Microsoft environments including M365, Active Directory, Entra ID, and Group Policy
• Proficient with endpoint management using Intune MDM and Autopilot deployments
• Experience supporting cloud environments (Azure essential, AWS basics advantageous)
• Experience working with RMM tools for monitoring, patching, and automation (e.g., Datto RMM, etc.)
• Good understanding of networking fundamentals (TCP/IP, VPNs, firewalls, DNS, routing basics)
• Experience supporting firewall platforms (Palo Alto or similar highly desirable)
• Familiarity with Cloudflare services (DNS, WAF, CDN, Zero Trust concepts)
• Experience supporting endpoint and identity security (MFA, Defender, conditional access, etc.)
• Hands-on experience with Windows Server and virtualisation platforms (Hyper-V or VMware)
• Experience investigating issues using logs and monitoring tools, with a security-first mindset
• Comfortable using PowerShell for scripting and task automation
• Experience with patching, system maintenance, and vulnerability remediation
• Understanding of backup and disaster recovery concepts
• Familiarity with ITIL environments and structured change processes
• Strong troubleshooting skills with the ability to work independently and escalate when needed
• Strong understanding of Windows Clusters
• Strong understanding of Windows RDP Server Farm's
• Clear communication skills and ability to document work effectively
• A proactive attitude with a willingness to learn and develop

Nice to have:

• Exposure to security monitoring tools or SOC-style workflows
• Experience with Azure security tooling (Defender for Cloud, Sentinel, etc.)
• Basic Linux administration knowledge
• Relevant certifications (Microsoft, CompTIA, AWS, etc.)

Pulled from the full job description

• Employee discount
• Sick pay
• Employee assistance programme
• Free parking
• Private medical insurance
• On-site parking

Executive Jet Support Ltd is a world leading provider of commercial aircraft, engines and airframe components to almost 300 operators in over 50 countries across the globe. We aim to develop long-term relationships and build trust and loyalty with our customers. We are a family-based company that is driven by pride in our company and pride in the support we provide for our customers. And we are a great company to work for!