Senior Network Engineer – Lead Multi-Site & Cloud Infra

Nextech Group; Abingdon; On-site; GBP 51,000 - 63,000; Full time

Benefits offered by this job

Company Car

Company pension

Private healthcare & group life cover

Flexible working schedule

Employee discounts

Profit-share eligibility after 12&nbsp

Job summary

Nextech Group, a well-established IT solutions provider, seeks a Senior Network Engineer to lead and support secure network projects across multi-site environments. The role involves on-site Abingdon-based activity, with emphasis on routing, switching, VPNs, and cloud-integrated infrastructure.

You will manage Windows Server, Hyper-V, Azure AD, Office 365, and Intune, while mentoring junior staff and ensuring high availability and security across customers. Competitive benefits apply.

Qualifications

• 4-5 years in a senior IT/networking role
• Cisco routers & switches experience
• TCP/IP networking, firewalls (Fortinet) and IT security
• Windows Server (2016/2019/2022), Hyper-V
• Active Directory & Azure AD
• Microsoft Azure, Office 365, Intune
• Windows 10/11 & Apple device support (MDM/Meraki)
• 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 environments.
• Lead the delivery of network and core infrastructure projects, including installations, upgrades, and migrations.
• Manage on-prem and cloud infrastructure for high availability, performance, and security.
• Provide senior-level support for routing, switching, firewalls, VPNs, and WAN connectivity.
• Administer Windows Server environments, Hyper-V, and related services.
• Support Microsoft cloud technologies: Azure, Azure AD, Office 365, Intune.
• Monitor performance, capacity, and security; identify risks and improvements.
• Apply security policies, patching, firmware updates, and DR solutions.
• Act as escalation point for complex issues with remote/on-site support.
• Produce high-quality technical docs: diagrams, configurations, procedures.
• Collaborate with management to define standards, policies, and best practices.
• Mentor junior engineers and field teams.

Skills

Routing & Switching

Fortinet Firewall

Azure AD & Office 365

Windows Server & Hyper-V

AD & Azure AD

Azure / Intune / MDM

Windows 10/11 & Meraki

Communication skills

SQL Server knowledge

Tools

Cisco routers & switches

Fortinet

Hyper-V

Azure

Intune

Meraki

Office 365

Job description

Nextech Group, a well-established IT solutions provider, seeks a Senior Network Engineer to lead and support secure network projects across multi-site environments. The role involves on-site Abingdon-based activity, with emphasis on routing, switching, VPNs, and cloud-integrated infrastructure.

You will manage Windows Server, Hyper-V, Azure AD, Office 365, and Intune, while mentoring junior staff and ensuring high availability and security across customers. Competitive benefits apply.