Senior IT Network and Infrastructure Engineer

Job Title:

Senior IT Network and Infrastructure Engineer

From £48,000.00 per year

Location:

Haverfordwest

We are seeking an experienced Senior IT Network and Infrastructure Engineer to lead and optimise our organisation's network infrastructure. The successful candidate will be responsible for designing, implementing, and maintaining complex network solutions to ensure high availability, security, and performance. This role offers an excellent opportunity to work with cutting‑edge technologies within a dynamic IT environment, supporting a broad range of network protocols and systems.

The ideal applicant will possess extensive knowledge of computer networking, network security, and system administration, with a focus on delivering robust network solutions across diverse platforms. The role is site based at our state of the art facility in beautiful Pembrokeshire.

This role is ideal for a dedicated professional eager to leverage their extensive networking expertise within a forward‑thinking organisation committed to technological excellence.

• Design, implement and maintain enterprise‑level network architecture, including LAN, WAN, WLAN and VPN.
• Ensure high availability, performance and scalability of network services.
• Troubleshoot and resolve complex network issues across multiple environments.
• Configure and manage network hardware such as routers, switches, firewalls and load balancers.
• Lead network upgrades, migrations and infrastructure improvement projects.
• Implement and support secure remote access solutions using VPN, IPsec, SSL/TLS and SSH protocols.
• Implement and enforce network security best practices and policies.
• Manage network security measures such as firewall rules, IDS/IPS, encryption and PKI to safeguard organisational data.
• Monitor network performance, capacity and security using appropriate tools and perform troubleshooting where necessary to improve network health.
• Collaborate with infrastructure, security and application teams to support business requirements.
• Support disaster recovery and business continuity planning related to network services.
• Conduct regular system updates, patch management and configuration backups in accordance with best practices.
• Develop detailed documentation for network configurations, procedures and disaster recovery plans.
• Provide technical guidance and mentoring to junior network engineers.
• Participate in on‑call support and incident response as required.

• Proven experience in designing, implementing and managing large‑scale networks within enterprise environments.
• Extensive knowledge of routing protocols and network protocols (TCP/IP, DNS, DHCP, NFS).
• Strong background in network security including experience with firewalls, VPNs and encryption standards.
• Hands‑on experience with virtualisation platforms such as VMware vSphere or similar technologies; familiarity with containerisation is advantageous.
• Proficiency in operating systems including Windows Server.
• Certifications such as CCNP/CCIE, JNCIP or equivalent are highly regarded; familiarity with ITIL framework is beneficial.

• Bereavement leave
• Cycle‑to‑work scheme
• On‑site parking
• Referral programme