Senior Network Engineer – On-Site, Flexible & Profit Share

Nextech; 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 mois

Job summary

Nextech is seeking a Senior Network Engineer to join our on-site team in Abingdon, Oxfordshire. You will lead network projects, design secure infrastructures, and support multi-site clients with strong routing, switching, and security expertise.

The role requires 4-5 years in a senior IT/networking position, hands-on experience with Cisco, Fortinet, Windows Server, Hyper-V, and cloud tools like Azure/Intune. A customer-focused mindset and clear communication are essential.

Qualifications

• 4-5 years in a senior IT/networking role.
• Design, implement and support secure, scalable network solutions.
• Experience with Cisco routers/switches and Fortinet firewalls; Windows Server environments; and cloud services.

Responsibilities

• Design, implement, and support secure, scalable network solutions across multi-site environments.
• Lead delivery of network and core infrastructure projects including installations, upgrades and migrations.
• Manage on-prem and cloud infrastructure with high availability, performance and security.
• Provide senior-level support for routing, switching, firewalls, VPNs, and WAN connectivity.
• Administer Windows Server environments and Hyper-V; support Azure, Office 365, and Intune.
• Monitor performance, capacity and security; identify risks and improvements.
• Maintain security policies, patching, firmware updates and disaster recovery.
• Act as escalation point for complex issues with remote and on-site support.
• Produce and maintain network documentation and diagrams.
• Collaborate with management to define standards and best practices.
• Provide guidance and mentorship to junior engineers.

Skills

Networking and routing

Cisco routers & switches

Windows Server & Hyper-V

Azure AD & Azure

IT security & firewalls

Customer-facing skills

Tools

Fortinet firewall

Active Directory

Intune

Office 365

Meraki management

Job description

Nextech is seeking a Senior Network Engineer to join our on-site team in Abingdon, Oxfordshire. You will lead network projects, design secure infrastructures, and support multi-site clients with strong routing, switching, and security expertise.

The role requires 4-5 years in a senior IT/networking position, hands-on experience with Cisco, Fortinet, Windows Server, Hyper-V, and cloud tools like Azure/Intune. A customer-focused mindset and clear communication are essential.