Network Security Engineer
Role: Network & Security Engineer
Location: Vale of Glamorgan, South Wales
Salary: £45,000 per annum
The Opportunity
The Network & Security Engineer will take full ownership of a complex, multi-site network estate operating in a highly visible, operational environment.
The Network Security Engineer will become the technical lead for networking, responsible for the improvement and long-term stability of the network across two major operational sites. While you’ll own the network domain, you’ll have the backing of both internal colleagues and external specialists when designing and implementing improvements.
The organisation is investing heavily in modernising its infrastructure, and you will play a central role in that journey.
A key early project will be leading
- the replacment tof the core network before end of support
- assessing the current environment, identifying risks, and designing the next generation network architecture.
You’ll work alongside an experienced Infrastructure Manager, a small internal IT team, external cyber security specialists and a SOC provider to bring the estate up to modern security and operational standards. The environment is collaborative rather than siloed.
Job Responsibilities
- Take ownership of the full network estate across two operational sites
- Assess existing core and edge switching infrastructure and identify improvement opportunities
- Design and lead a core network refresh, including potential vendor changes
- Implement robust VLAN design, segmentation, routing and network access controls
- Strengthen network security through port security, segmentation and configuration hardening
- Work closely with external cyber security specialists to implement CIS and security best practices
- Support the implementation of controls aligned with Cyber Essentials PlusCollaborate with an external SOC provider on monitoring and security improvements
- Contribute to the wider IT team where needed within a small operational environment
Essential Experience
- Proven experience as a Network Engineer or Senior Network Engineer
- Strong hands-on expertise with L2/L3 switching and routing
- Experience designing and supporting multi-site enterprise networks
- Strong understanding of VLANs
- Experience implementing network access controls, segmentation and port security
- Involvement in a refresh, core upgrade or infrastructure transition
- Comfortable working directly with switch configuration via CL
Nice to Have's
- Experience with vendors such as Cisco, HPE, Juniper or Ruckus
- Exposure to Cyber Essentials, CIS benchmarks or security frameworks
- Experience working with SOC providers or vulnerability management processes
- Industry certifications such as CCNA or CCNP
- Experience within operational or regulated environments
Why Join
- A rare opportunity to engineer neworks within one of Wales' most recognisable and operationally critical environments
- Genuine ownership of a network estate with your ownership
- Opportunity to join a major network transformation programme
- Broad exposure across networking, infrastructure and cyber security
- Varied operational environment with real-world impact
- A small technical team where your work will be highly visible
Please send your CV in today