Infrastructure Engineer

Salary: £58,000 - 98,000 per year

Requirements:

• Proven experience as a Second Line Engineer or similar role.
• In-depth knowledge of O365, Exchange, Azure, and Active Directory.
• Preference for Azure Fundamentals or Azure Administration certifications.
• Knowledge and experience of certificate management and license management.
• Experience maintaining web servers and proxies.
• Experience administering software firewalls such as Fortinet.
• Demonstrable knowledge and experience of Citrix XenApp/XenDesktop.
• Relevant certifications such as Microsoft, Citrix, or Fortinet would be an advantage.
• Strong troubleshooting and problem-solving skills.
• Excellent communication and customer service skills.
• Ability to work collaboratively in a team environment.

Responsibilities:

• Support and maintain Azure infrastructure, including virtual machines on Azure and VMware.
• Manage and troubleshoot Active Directory issues, user accounts, and group policies.
• Manage our O365 environment and troubleshoot MFA, conditional access, email, public folders, and SharePoint-related issues.
• Administer certificate lifecycle, ensuring proper issuance, renewal, and revocation.
• Manage software licenses and ensure compliance with licensing agreements.
• Support and maintain web servers, ensuring high availability and performance.
• Utilize SCCM for software deployment, updates, and system configuration.
• Manage NetScaler load balancers and gateways for secure application delivery.
• Provide Citrix support for virtual desktops and applications, using Citrix Director to monitor and troubleshoot user sessions, analyze performance metrics, and optimize resource usage.
• Administer Fortinet firewalls and ensure network security.
• Implement and manage Deep Security solutions for server protection.
• Support Mailmeter and other platforms for email security and archiving.
• Administer and troubleshoot Commvault for data backup and recovery issues.
• Serve as the point of contact and knowledge expert within our level 2 team.
• Resolve incidents and monitor the supported estate through key monitoring tools.
• Ensure user tickets and monitoring alerts are handled in line with predefined SLAs for response time, updates, and closure.
• Perform changes related to requests or infrastructure change requests to ensure high availability of service.
• Create technical guides and work instructions.
• Invoke escalation procedures promptly and in a timely manner to other levels of support.

Technologies:

• Active Directory
• Azure
• Citrix
• Support
• Network
• Security
• SharePoint
• VMware
• Web
• Office 365
• Cloud
• DevOps

More:

Monday to Friday, 09:00 to 17:30, with a hybrid setup requiring a minimum of three days in the office. We provide remote monitoring and level 2 support for core systems and technologies supporting external client infrastructure. At Auxilion, we aim to be a great place to work, with career opportunities and people development at the heart of what we do. Our culture and values matter to us, and we offer roles that create meaningful impact and room to grow across technical, sales, finance, and other functions.

last updated 39 week of 2026