What is the role of an infrastructure engineer?

The roles of Infrastructure Engineer include being responsible for designing, building, deploying, and maintaining the IT infrastructure using the latest technology. An IT infrastructure engineer ensures all the IT systems that support businesses of any size function efficiently. Additionally, the infrastructure engineer may also support and develop specific platforms and will concentrate on unifying communications, messaging and identity toward a seamless user experience.

La Fosse Associates are currently partnered with a large Legal business who are currently looking to recruit an Infrastructure Engineer to their team. This will be a permanent role paying up to £55,000 Per Annum and will be offering a large amount of remote flexibility with the main office based in Newcastle.


The responsibilities of an infrastructure engineer can traverse BAU (business as usual) and project work and typically includes, but is not limited to:

  • Provide high quality, responsive and consistent resolutions to IT Incidents
  • Ownership of systems
  • Improvements to system efficiency
  • Mentoring of junior team members
  • Support and maintenance of server infrastructure
  • Assessing security of existing environment
  • Disaster recovery
  • ERP projects
  • Producing technical documentation
  • Dealing with technical migrations (e.g. Azure migration)
  • Technical de-bugging
  • Analysis of infrastructure and web applications
  • Server administration
  • Working with automation / DevOps tools
  • Dealing with email security, archiving and cleansing services
  • 3rd line support
  • Technical and administrative workloads
  • Maintaining knowledge of current and future information security threats and challenges
  • Managing the Infrastructure incident support queues activities on a day to day operational basis
  • Working closely with other Operations teams and vendors to ensure there is a coordinated approach to infrastructure support
  • Overseeing and managing the infrastructure support queue, ensuring all tickets are resolved/fulfilled within SLA and customer satisfaction targets and other KPIs are achieved
  • Providing periodic reporting and management information on infrastructure performance and operational KPIs
  • Work closely with various vendors, driving the resolution of incidents and fulfilment of requests, participating in regular service reviews
  • Testing, imaging and deployment of new mobile devices
  • Act as SME for MDM solution and point of escalation
  • Provide expertise and support in security engineering, incident response and risk management
  • Supporting Operations in their patching schedules, and acting as an escalation point

Typical Tech Stack

Software and services typically involved in the tech stack of an infrastructure engineer include, but are not limited to:

  • M365 (Microsoft 365)
  • Exchange 2016 On Prem
  • Microsoft Azure
  • Microsoft Azure SSO
  • Microsoft Azure MFA
  • Microsoft Azure AD
  • Active Directory
  • Mimecast
  • Windows Server systems e.g. (2016 / 2019)
  • Core Networking TCP/IP, DNS and DHCP
  • PowerShell
  • ITIL and ITSM
  • Exchange Online
  • Active Directory environments for MDM
  • Mobile technologies across iOS and Android
  • Modern Workplace M365/O365 Services
  • Firewalls, LAN, WAN, Wifi, Routers, Switches / Security technologies, DNS
  • Windows Internet, Google Workspace, Azure and Corporate active directory services
  • VMWare
  • Networking (TCP/IP, DHCP, DNS)
  • Windows Server
  • AWS Cloud Technologies
  • Backup technologies including BackupExec, Veeam


Whilst the qualifications and skills required by an infrastructure engineer will differ depending on the specific role and seniority, typical qualifications of an infrastructure engineer include, but are not limited to:

  • ITIL V3+ Foundation certification
  • Certification in Azure Infrastructure
  • Windows servers server management experience
  • BSc in relevant subjects such as:
    • Computer science
    • Computer systems/networks
    • Software engineering systems
    • Mathematics
  • Windows 2008R2 up to 2022 Cluster management experience
  • Server administration experience
  • Knowledge of operational and application security