Senior Network Engineer (Specialist II - Cloud Infrastructure Services)

London, England, United Kingdom

6/18/2025

Role Description

Senior Network Engineer with Cisco, Palo Alto, ForeScout, Infoblox, Check Point, and F5 technologies

London - Onsite

Fixed Term Employment contract

The Role:

We are looking for an experienced Senior Network Engineer to design, secure, and manage complex enterprise and cloud network environments to join our CIS Practice in London. You’ll work hands-on with Cisco, Palo Alto, ForeScout, Infoblox, Check Point, and F5 technologies, focusing on network performance, security compliance, patching, and continuous improvement.

The Role:

• Design, deploy, and manage enterprise and cloud networking (AWS, Azure, GCP).
• Configure and maintain routing and switching (BGP, OSPF, VLANs, QoS, etc.).
• Manage F5 load balancers (LTM, GTM, iRules) for high availability.
• Administer DNS, DHCP, and IP management using Infoblox.
• Manage and optimize firewall environments (Cisco ASA, Palo Alto, Check Point, ForeScout).
• Implement VPNs, zero-trust architecture, and micro-segmentation.
• Perform patching, firmware updates, and vulnerability remediation.
• Ensure compliance with standards like ISO 27001, NIST, PCI-DSS.
• Monitor and troubleshoot LAN, WAN, cloud networks, and security devices.
• Partner with vendors and internal teams to improve network performance and security.
• Automate network tasks with Python, Ansible, Terraform, and PowerShell.
• Maintain up-to-date documentation: diagrams, policies, firewall rules.
• Mentor junior engineers and share best practices across the IT team.
  
  

What You’ll Bring:

• Minimum of 10 years of deep, hands-on network engineering experience.
• Strong expertise in routing & switching, firewalls, and cloud networking.
• Experience with Cisco, Palo Alto, Check Point, ForeScout, F5, Infoblox.
• Cloud networking experience across AWS, Azure, or GCP.
• Skills in patch management, vulnerability scanning, and compliance.
• Knowledge of automation and infrastructure as code (IaC).
• Solid troubleshooting and stakeholder communication skills.
  
  

Nice To Have Certifications:

• CCNP, CCIE, PCNSE, CCSA/CCSE, F5-CA
• AWS or Azure Networking Specialty
• CISSP (or strong security knowledge)
  
  

Hurry & apply!

#UST

Skills

Routing And Switching,Checkpoint Firewall,palo alto,Network Security