Senior Network Engineer – Data Center & Load Balancing

Trellint; Portsmouth; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

Trellint is seeking a Senior Network Engineer to lead the design, implementation, and support of enterprise network infrastructure across its UK data centers and offices. You will focus on data center networking, load balancing, and core services to ensure high availability, performance, and security.

You will design and implement network solutions, mentor team members, and work with IT leadership to align infrastructure with business goals.

Qualifications

• Bachelor’s degree in Computer Science, Computer Information Systems, or related field.
• 7+ years of enterprise network engineering experience in data center environments.
• CCNP/CCIE or equivalent certifications preferred.
• Experience with ISO 27001 and Cyber Essentials Plus compliance environments.

Responsibilities

• Lead design, implementation, and support of enterprise network infrastructure across UK data centers and offices.
• Implement FortiGate firewalls, FortiADC load balancers, and Dell switching with high availability.
• Design core routing using OSFP and VLAN segmentation for secure networks.
• Provide secure VPN access for administrative and operational use.
• Troubleshoot routing, switching, firewalls, and load balancing platforms.
• Support monitoring, logging, and incident response for network events.

Skills

Core Networking

TCP/IP fundamentals

Routing & Switching

VPN & remote access

Network security

Education

Bachelor’s degree in CS / related field

CCNP/CCIE or equivalent

Tools

FortiGate

FortiADC

Dell Networking

Job description

Trellint is seeking a Senior Network Engineer to lead the design, implementation, and support of enterprise network infrastructure across its UK data centers and offices. You will focus on data center networking, load balancing, and core services to ensure high availability, performance, and security.

You will design and implement network solutions, mentor team members, and work with IT leadership to align infrastructure with business goals.