Senior Network Engineer

Salary: £30,000 - 49,000 per year

Requirements:

• Minimum of 8+ years experience in Network Engineering, Cloud Networking, and Network Security.
• Strong expertise across Cisco networking and routing/switching.
• Experience with Palo Alto, Check Point, Cisco ASA, and ForeScout.
• Experience with F5 load balancing.
• Experience with Infoblox DNS/DHCP/IPAM.
• Experience with AWS, Azure, and/or GCP networking.
• Hands-on experience with vulnerability management, patching, firmware upgrades, and compliance controls.
• Strong understanding of network security principles, Zero Trust Architecture, SD-WAN, and micro-segmentation.
• Experience with Infrastructure as Code (IaC) and network automation.
• Excellent troubleshooting, stakeholder engagement, and communication skills.
• Experience working in complex enterprise or multi-cloud environments.
• Relevant certifications such as CCNP/CCIE, PCNSE, CCSA/CCSE, F5-CA, AWS or Azure Networking Specialty, or CISSP.

Responsibilities:

• Design, implement, and support enterprise and cloud networking solutions across AWS, Azure, and GCP.
• Manage and optimize routing and switching environments using technologies including BGP, OSPF, EIGRP, VLANs, STP, QoS, and Multicast.
• Administer and enhance F5 Load Balancers (LTM, GTM, ASM) to deliver high availability and performance.
• Manage Infoblox DNS, DHCP, and IPAM services to support efficient network operations.
• Configure and manage security policies across Palo Alto, Check Point, Cisco ASA, and ForeScout platforms.
• Support the implementation of Zero Trust Architecture, micro-segmentation, VPNs, and secure access solutions.
• Lead network patching, firmware upgrades, vulnerability remediation, and security hardening activities.
• Ensure compliance with industry standards and frameworks, including ISO 27001, NIST, CIS Benchmarks, and PCI-DSS.
• Partner with Cyber Security teams to identify risks, strengthen controls, and enhance enterprise security posture.
• Monitor, troubleshoot, and optimize enterprise, cloud, and security infrastructure.
• Resolve complex LAN, WAN, cloud, and firewall issues to maintain business continuity.
• Drive automation and operational efficiency using tools such as Python, Ansible, Terraform, and PowerShell.
• Create and maintain technical documentation, network diagrams, security standards, and operational procedures.
• Mentor engineers and contribute to continuous improvement initiatives across the wider technology team.

Technologies:

• AWS
• Ansible
• Azure
• Cloud
• Cisco
• Firewall
• Firmware
• GCP
• Support
• LAN
• Load Balancing
• Network
• PowerShell
• Python
• Security
• Terraform
• Kubernetes
• Splunk

More:

We are a growing technology team based in London, working in a hybrid setup on a permanent or fixed-term contract basis with an ASAP start. We design, secure, and optimize enterprise and cloud network infrastructure across a complex global environment. This role offers the opportunity to lead modern networking and security solutions across cloud platforms, next-generation firewalls, automation technologies, and compliance initiatives, helping keep our infrastructure secure, resilient, scalable, and future-ready.

last updated 34 week of 2026