Senior Cloud Network Engineer: Security, Infra & Automation

UST; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

UST is actively seeking a Senior Network Engineer to design, secure, and optimize enterprise and cloud networking across AWS, Azure, and GCP from London. The role is hybrid and permanent, with ASAP start and a focus on modern networking and security solutions.

You will lead the implementation of Zero Trust architecture, network automation, and vulnerability remediation while collaborating with Cyber Security and IT teams to maintain compliance and resilience in a complex multi-cloud environment.

Qualifications

• Minimum of 8+ years' experience in Network Engineering, Cloud Networking, and Network Security.
• 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.

Responsibilities

• Design, implement, and support enterprise and cloud networking solutions across AWS, Azure, and GCP.
• Manage routing and switching environments with BGP, OSPF, EIGRP, VLANs, STP, QoS, and Multicast.
• Administer F5 Load Balancers to deliver high availability and performance.
• Manage Infoblox DNS, DHCP, and IPAM services.
• Configure security policies across Palo Alto, Check Point, Cisco ASA, and ForeScout.
• Lead network patching, firmware upgrades, vulnerability remediation, and security hardening.
• Ensure compliance with ISO 27001, NIST, CIS Benchmarks, and PCI-DSS.
• Partner with Cyber Security teams to strengthen controls.
• Drive automation with Python, Ansible, Terraform, and PowerShell.
• Create and maintain technical documentation and network diagrams.
• Mentor engineers and contribute to continuous improvement.

Skills

Cisco Networking & Routing/Switching

Zero Trust Architecture

IaC & network automation

Cloud Networking (AWS/Azure/GCP)

Vulnerability management

Stakeholder engagement

Tools

F5 Load Balancer

Infoblox DNS/DHCP/IPAM

Palo Alto / Check Point / Cisco ASA / ForeScout

Job description

UST is actively seeking a Senior Network Engineer to design, secure, and optimize enterprise and cloud networking across AWS, Azure, and GCP from London. The role is hybrid and permanent, with ASAP start and a focus on modern networking and security solutions.

You will lead the implementation of Zero Trust architecture, network automation, and vulnerability remediation while collaborating with Cyber Security and IT teams to maintain compliance and resilience in a complex multi-cloud environment.