Network Engineer (Cisco)

Yolk Recruitment; Cardiff; On-site; GBP 70,000 - 90,000; Full time

Job summary

Yolk Recruitment is supporting a leading organisation in strengthening its Technical Operations team with an experienced Network Engineer. This hands-on role covers WAN, LAN, Wi-Fi and firewalls across datacentres, Azure and office/depot environments.

You'll work with Cyber Security, project teams and external partners, acting as a key escalation point for network issues and helping ensure the network remains secure, reliable and performing at its best.

Qualifications

• Hands-on network engineering across networking, security and cloud environments.
• Experience with Cisco ACI and Cisco FMG and Fortinet ecosystem.
• Ability to review designs and align with security standards.

Responsibilities

• Implementing and supporting network infrastructure across WAN, LAN, Wi-Fi and firewalls.
• Managing Cisco ACI, Cisco FMG and Fortinet ecosystem.
• Working with Azure networking (VNets, NSGs, VPN gateways).
• Reviewing designs to ensure security policy compliance.
• Managing network security across firewalls, IDS/IPS, VPN, NAC and segmentation.
• Escalation handling for complex network incidents and minimizing downtime.
• Collaborating with stakeholders and service providers on changes and roadmaps.
• Monitoring performance and identifying reliability improvements.
• Maintaining network configurations, topologies and documentation.
• Integrating new networking technologies and pursuing automation.

Skills

Cisco routing & switching

Cisco ACI

Cisco FMG

Fortinet ecosystem

Azure networking

TCP/IP, DNS, DHCP, VPN, VLANs

Network firewalls/IDS/IPS/NAC

BGP and STP

Network troubleshooting

Stakeholder management

Tools

SolarWinds

Job description

We're working with a leading organisation operating who are looking to strengthen their Technical Operations team with an experienced Network Engineer.

This is a hands-on role where you'll be responsible for the implementation, support and ongoing improvement of network infrastructure across WAN, LAN, Wi-Fi and firewalls, covering datacentres, Azure and office/depot environments.

You’ll work closely with internal technical teams, Cyber Security, project teams and external service partners, acting as a key escalation point for network issues and helping to ensure the organisation’s network remains secure, reliable and performing at its best.

What You'll Be Doing

• Implementing and supporting network infrastructure across WAN, LAN, Wi-Fi and firewalls.
• Managing and supporting Cisco ACI, Cisco FMG and the Fortinet ecosystem.
• Working with Azure networking, including VNets, NSGs and VPN gateways.
• Reviewing technical designs and providing guidance to ensure solutions meet security policies and industry standards.
• Managing network security across firewalls, IDS/IPS, VPN, NAC and network segmentation.
• Working alongside the Cyber Security team on vulnerability remediation, risk assessments and threat intelligence.
• Acting as an escalation point for complex network incidents and helping minimise disruption to IT services.
• Working with internal stakeholders and external service providers on network changes, roadmaps and delivery.
• Monitoring network performance and identifying opportunities to improve reliability, performance and efficiency.
• Maintaining accurate network configurations, topologies and technical documentation.
• Supporting the integration of new networking technologies into the existing infrastructure.
• Identifying opportunities for automation and reducing manual network configuration activities.

What We're Looking For

We're looking for someone with strong hands-on network engineering experience who can operate comfortably across networking, security and cloud environments.

You’ll bring:

• Strong knowledge of Cisco routing and switching.
• Proven experience with Cisco ACI and Cisco FMG.
• Strong experience across the Fortinet ecosystem.
• Good understanding of TCP/IP, DNS, DHCP, VPNs, VLANs and network segmentation.
• Experience configuring and managing network firewalls, IDS/IPS, VPN and NAC technologies.
• Experience with routing protocols such as BGP and switching technologies including STP and VLANs.
• Experience working with Azure networking, including VNets, NSGs and VPN gateways.
• Strong troubleshooting and problem-solving skills, with experience acting as an escalation point for network issues.
• Experience working with internal stakeholders, technical teams and external service providers.
• The ability to work under pressure and support major incidents where required.

We’d Be Particularly Interested If You Have

• CCNA or equivalent certification.
• AZ-700 / Microsoft Azure Networking certification.
• Experience working with NAC.
• Experience with network monitoring platforms such as SolarWinds.
• Experience with network automation and scripting.Experience working within a CNI, regulated or similarly security-conscious environment.

Why This Role?

This is an opportunity to join an expanding Technical Operations function and have a genuine impact on the security, availability and performance of a critical network environment.

You’ll have exposure across networking, security, Azure and infrastructure, while working closely with Cyber Security, Architecture, Projects and senior technical stakeholders.

If you're a Network Engineer who enjoys solving complex technical problems, improving network environments and working across both operational and project-based challenges, we'd be keen to hear from you.