On Premise Network Engineer

Dubizzle Limited; Newport; On-site; GBP 80,000 - GBP 100,000; Full time

Job summary

A leading tech company is looking for a Network Infrastructure Engineer to support and maintain a secure LAN environment in Newport. This role requires a hands-on professional with CCNA/CCNP-level experience comfortable across network security and core LAN services. Responsibilities include configuring firewalls, managing remote access solutions, and troubleshooting live environments. Ideal candidates should have strong LAN technology knowledge and experience with Cisco ISE. Flexible work may be needed depending on requirements, and on-site presence will be essential.

Qualifications

• CCNA/CCNP-level networking experience required.
• Strong understanding of VLANs, routing, switching.
• Hands-on experience with firewalls preferred.

Responsibilities

• Support and maintain LAN infrastructure.
• Configure and troubleshoot firewalls and proxy services.
• Operate and support Network Access Control using Cisco ISE.

Skills

CCNA / CCNP-level networking experience

Strong understanding of LAN technologies

Hands-on experience with firewalls

Experience using Cisco ISE

Experience with remote access / VPN technologies

Solid troubleshooting skills in live environments

Tools

Cisco ISE

Palo Alto

Fortinet

EfficientIP

Job description

Network Infrastructure Engineer (Contract)

Location: Newport (on-site / hybrid as required)
Contract: 12 months
Rate: £600 per day
IR35: Outside IR35

Overview

We’re looking for a hands-on Network Infrastructure Engineer to support and maintain a secure enterprise LAN environment. This is a delivery-focused role suited to someone operating around CCNA / CCNP level, comfortable working across network security, access control, and core LAN services.

• Support and maintain LAN infrastructure in a secure enterprise environment
• Configure and troubleshoot firewalls and proxy services
• Operate and support Network Access Control (NAC) using Cisco ISE
• Manage remote access solutions (Cisco VPN / AAA)
• Support DDI services (DNS, DHCP, IPAM), ideally using EfficientIP
• Investigate incidents, implement fixes, and support ongoing network improvements
• Maintain documentation and follow standard operational processes

Essential Skills & Experience

• CCNA / CCNP-level networking experience
• Strong understanding of LAN technologies (VLANs, routing, switching, ACLs, NAT)
• Hands-on experience with firewalls (preference for Palo Alto and/or Fortinet)
• Experience using Cisco ISE for network access control
• Experience with remote access / VPN technologies
• Solid troubleshooting skills in live environments

Desirable

• Experience with DDI platforms, particularly EfficientIP
• Proxy technologies (explicit or transparent)
• Experience working in secure or regulated environments

Additional Notes

• On-site presence in Newport will be required
• Candidates must be eligible to work in security-conscious environments