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Description
Job Summary:
As a Senior Network Engineer, you will lead the design, implementation, and support of enterprise network infrastructure across our UK data center and office environments. This role is focused on data center networking, load balancing, and core network services, ensuring high availability, performance, and security across all platforms.
Job Description:
Exciting Opportunity: Senior Network Engineer
Are you a seasoned network professional ready to lead the design, implementation, and evolution of enterprise network infrastructure? We are seeking a Senior Network Engineer to drive the planning, deployment, and optimization of our critical IT and security platforms. In this role, you’ll architect solutions, mentor team members, and ensure the seamless delivery of secure, reliable services across the organization.
About Us:
Join a forward-thinking company committed to pushing the boundaries of technology and driving innovation. Our team is made up of passionate individuals who thrive in a collaborative environment and are dedicated to shaping the future of our industry.
Your Role:
As a Senior Network Engineer, you will lead the design, implementation, and support of enterprise network infrastructure across our UK data center and office environments. This role is focused on data center networking, load balancing, and core network services, ensuring high availability, performance, and security across all platforms.
What You’ll Do:
Strategic Support & Risk Awareness
Proactively identify operational risks, performance issues, and security gaps within network and infrastructure environments
Monitor trends, alerts, and emerging technologies to support continuous improvement of network reliability and security
Contribute technical input to infrastructure and network strategy under the direction of IT leadership
Network Design & Implementation
Design, configure, and support enterprise network infrastructure across UK-based data centers and offices
Implement and maintain FortiGate firewalls, including policies, NAT, and high-availability configurations
Deploy and support FortiADC load balancers, including application delivery, traffic distribution, and high-availability designs
Configure and manage Dell L2/L3 switching environments, including VLANs, trunking, and inter-VLAN routing
Design and maintain core routing architecture using protocols such as OSPF
Provide secure VPN access into the data center for administrative and operational access
Operations & Troubleshooting
Provide advanced troubleshooting across routing, switching, firewalls, and load balancing platforms
Support network monitoring, logging, and alerting to ensure high availability and performance
Participate in incident response and root cause analysis for network-related outages
Security & Compliance
Implement and maintain network security controls aligned with ISO 27001 and Cyber Essentials Plus
Ensure proper segmentation, VLAN design, and access controls across environments
Support audit activities through documentation, configurations, and evidence collection
Change Management & Documentation
Support network connectivity for co-located UK data center environments
Manage cross-connects, switching infrastructure, and carrier handoffs
Ensure resilient and redundant network designs aligned to production requirements
Fortinet Firewalls (FortiGate)
FortiADC (load balancing and application delivery)
Experience supporting ISO 27001 and Cyber Essentials Plus compliance environments
Experience working in 24x7 production environments with on-call responsibilities
Skills:
Core Networking
Advanced TCP/IP networking fundamentals
Routing, switching, VLANs, and segmentation
Dell switch configuration and troubleshooting
Load Balancing & Application Delivery
FortiADC configuration and support
Traffic distribution, persistence, health checks, and high availability
Firewall & Security
FortiGate configuration, NAT, policy management, logging, and high availability
Network segmentation and access control
Connectivity
Secure remote access via VPN for administrative and operational use
Work Environment:
This position offers remote-first flexibility, with hybrid or on-site options available. Occasional travel to offices or vendor sites may be required based on project needs.
Why You’ll Love It Here:
Strategic Impact: Lead mission-critical IT projects with direct visibility to senior leadership.
Ownership & Autonomy:
You’ll own the project plan — and the outcome.
Collaborative Team: Work closely with experienced IT, business, and R&D professionals who value structure and results.
Flexibility & Growth: Enjoy a flexible work environment with room for continued professional development.
Ready to lead strategic IT projects with precision and impact? Apply now and help shape the future of our infrastructure and operations.
We are committed to building a diverse and inclusive team where everyone feels empowered to contribute and grow. If you meet most of the qualifications and are excited about the role, we encourage you to apply.
Senior Network Engineer | Modaxo | Hunt UK Visa Sponsors