Senior Infrastructure Engineer

Company: Nextech Group Limited
Apply for the Senior Infrastructure Engineer
Location: West Boldon
Job Description:

Salary: £55,000 – 55,000 per year

Requirements

  • 4-5 years in a similar senior IT/networking role
  • Strong expertise with Cisco routers & switches
  • Proficient in TCP/IP networking, firewalls (Fortinet), and IT security
  • Experience with Windows Server (2016/2019/2022) and Hyper-V
  • Knowledge of Active Directory & Azure AD
  • Familiarity with Microsoft Azure, Office 365, and Intune
  • Support for Windows 10/11 & Apple devices (MDM/Meraki)
  • Experience with backup & disaster recovery solutions
  • Strong communication and customer-facing skills
  • SQL Server experience beneficial

Responsibilities

  • Design, implement, and support secure, scalable network solutions across multi-site customer environments.
  • Lead the delivery of network and core infrastructure projects, including new installations, upgrades, and migrations.
  • Manage and maintain on-prem and cloud infrastructure, ensuring high availability, performance, and security.
  • Provide senior-level support for routing, switching, firewalls, VPNs, and WAN connectivity.
  • Administer and support Windows Server environments, virtualised platforms (Hyper-V), and associated services.
  • Support and optimise Microsoft cloud technologies, including Azure, Azure AD, Office 365, and Intune.
  • Monitor infrastructure performance, capacity, and security; proactively identify risks and improvement opportunities.
  • Implement and maintain security policies, patching, firmware updates, and disaster recovery solutions.
  • Act as an escalation point for complex technical issues, providing remote and on-site support where required.
  • Produce and maintain high-quality technical documentation, including network diagrams, configurations, and procedures.
  • Work closely with senior management and other technical teams to define standards, policies, and best practices.
  • Provide technical guidance, mentoring, and oversight to junior engineers and field teams.

Technologies

  • Active Directory
  • Azure
  • Cloud
  • Cisco
  • Firmware
  • Hyper-V
  • Support
  • Network
  • Office 365
  • SQL
  • Security
  • TCP/IP
  • Windows
  • DevOps

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Posted: June 30th, 2026