Network Engineer (Zero Trust & Palo Alto)

CACI Network Services; Greater London; Hybrid; GBP 60,000 - 90,000; Full time

Job summary

CACI Network Services in the United Kingdom is seeking a hands-on Network Engineer with deep expertise in Zero Trust architectures and Palo Alto networks to secure critical customer environments. This role is hybrid and UK-based.

You will design, deploy, and manage secure network infrastructure, implement ZTNA and network segmentation, and work with Cyber Security and Infrastructure teams to strengthen resilience across LAN/WAN, SD-WAN, VPN, and cloud networking.

Qualifications

• 5+ years in Network Engineering.
• Experience with large-scale, mission-critical networks.
• Eligibility to obtain UK security clearance is desirable.

Responsibilities

• Design, implement, and support secure network infrastructure.
• Deploy and manage Palo Alto NGFW, Panorama, Prisma Access, and GlobalProtect.
• Implement Zero Trust Network Access (ZTNA) and network segmentation.
• Support LAN, WAN, SD-WAN, VPN, and cloud networking environments.
• Troubleshoot complex network and security incidents.
• Collaborate with Cyber Security and Infrastructure teams to enhance network resilience.

Skills

Palo Alto Firewalls

Zero Trust

BGP

OSPF

TCP/IP

VPNs

DNS

DHCP

SD-WAN

Azure networking

AWS networking

Security frameworks

Python

Ansible

Tools

Palo Alto NGFW

Panorama

Prisma Access

GlobalProtect

Job description

Network Engineer (Zero Trust & Palo Alto) CACI Network Services

Location: Hybrid/UK

Type: Permanent

CACI Network Services is seeking an experienced Network Engineer with strong expertise in Zero Trust Architecture, Palo Alto Networks, and secure enterprise networking to support critical customer environments.

Key Responsibilities

• Design, implement, and support secure network infrastructure.
• Deploy and manage Palo Alto NGFW, Panorama, Prisma Access, and GlobalProtect.
• Implement Zero Trust Network Access (ZTNA) and network segmentation strategies.
• Support LAN, WAN, SD-WAN, VPN, and cloud networking environments.
• Troubleshoot complex network and security incidents.
• Collaborate with Cyber Security and Infrastructure teams to enhance network resilience.

Essential Skills

• Strong experience with Palo Alto Firewalls and security platforms.
• Proven delivery of Zero Trust and network security projects.
• Expertise in BGP, OSPF, TCP/IP, VPNs, DNS, DHCP, and SD-WAN.
• Experience with Azure and/or AWS networking.
• Knowledge of security frameworks and secure access technologies.

Desirable

• PCNSE certification.
• Experience within government, defence, or highly secure environments.
• Knowledge of automation tools such as Python or Ansible.

Experience

• 5+ years in Network Engineering.
• Experience supporting large-scale, mission-critical networks.
• Eligibility to obtain or hold UK security clearance is highly desirable.

Ideal Candidate: A hands-on network specialist with deep Palo Alto expertise and a strong understanding of Zero Trust security principles, capable of supporting complex and highly secure customer environments.