3 of 3 Part-Time Network Security Engineer Jobs in the UK

Network Security Engineer (NOC) Salary: Up to 55,000 + shift allowance + bonus Security Clearance: Must hold active DV clearance. Join a forward-thinking team as a Network Security Engineer (NOC), helping to protect and optimise critical network infrastructure. Youll work within a 24x7 ISR and NOC environment, ensuring network reliability while defending against evolving threats. In this hands-on Network Security Engineer role, youll support incident triage with the SOC, design and implement secure network solutions, and collaborate across teams to identify vulnerabilities and improve performance. Youll also help optimise NOC tools and standardise network security platforms for greater resilience. What youll … bring as a Network Security Engineer. Strong understanding of TCP/IP, DNS, routing, switching, VLANs, and load balancing Experience as a NOC or Network Security Engineer in a 24x7 setting Hands-on with Cisco, Checkpoint, and Palo Alto firewalls Familiar with IPS/IDS, SSL decryption, and deep packet inspection Experience managing Bluecoat or More ❯

Job Title: Network Security Engineer (Active SC Clearance Required) Job Type: Contract Location: Fully Remote Day Rate: Up to 500/day (INSIDE IR35) Contract Length: 6 Months (with the view to extend) Network Security Engineer - Role & Responsibilities Design, configure, and implement Palo Alto Networks firewalls, including security policies, NAT, VPNs, and threat … prevention features. Deploy and maintain SD-WAN solutions (e.g., Prisma SD-WAN, Cisco, or Fortinet) to improve network performance, reliability, and cost efficiency. Monitor network traffic and firewall logs to detect and respond to security incidents. Utilise Panorama or API-based automation to centrally manage configurations, updates, and reporting. Maintain detailed documentation for network topology, security configurations, and change logs. Network Security Engineer - Required Experience 5+ years' experience in Network Security projects Active SC Clearance Palo Alto (project work in secure, public sector environments) SD-WAN (Prisma SD-WAN ideally) Excellent communication skills Interviews: October 2025 Start Date: November 2025 How to Apply: Apply to Gary Hargreaves at X4 Technology More ❯

This is an excellent opportunity for Network Engineer professionals to be part of leading-edge technology projects. Cognizants Cloud, Infrastructure & Security Services Practice provides end-to-end solutions covering architecture, design, implementation, management, and on-going support across the entire enterprise technology infrastructure. Our services include a spectrum of management, consulting, and systems integration services to help … our clients maximize value in their infrastructure resources, while optimizing infrastructure performance and cost. Key Responsibilities : Design, configure, and support scalable and secure enterprise network architectures across hybrid environments (on-premises and AWS Cloud). Implement and manage Cisco switching technologies and ensure optimal network performance and redundancy. Configure and maintain Palo Alto Networks Firewalls (both physical and … virtual), ensuring proper security policies and compliance. Administer and optimize dynamic routing protocols such as OSPF and BGP for efficient network traffic flow. Manage AWS networking components, including Transit Gateways, VPC Attachments, Security Groups, Endpoints, GWLB, ALB, NLB, and WAF. Provide technical leadership in wireless technologies and oversee deployments using Meraki products. Identify and implement automation opportunities More ❯