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Our client, a specialist in advanced communication, navigation, and electronic warfare technologies, is seeking a Senior IT Network and Firewall Engineer to join their team in the Defence & Security sector. Based in Marlow, this role is integral to designing, deploying, and maintaining secure network environments supporting cutting-edge projects.
Key Responsibilities:
- Build and deploy the required network infrastructure, ensuring readiness for ongoing support.
- Manage and troubleshoot secure development and reference environments.
- Design, administer, and maintain Corporate, Secure, and Development networks.
- Create and maintain firewall rule sets to safeguard network integrity.
- Handle IP switching and routing, subnetting, and VLAN configurations.
- Configure and maintain Palo Alto firewalls, Cisco & Aruba switches, and Aruba Wifi. Enterprise-grade encryption devices.
- Diagnose and resolve complex network issues effectively.
Job Requirements:
- Proven experience with Cisco, Aruba, and Palo Alto. Experience with Intrusion Prevention/Detection and network monitoring (e.g., Darktrace).
- Strong understanding of network protocols, including IP switching, routing, subnetting, and VLANs.
- Hands-on experience with Cisco technologies and Cisco CMNA certification.
Desirable Skills & Knowledge:
- Experience in Network Architecture.
- Knowledge of Software Defined Networking (SDN) technologies and ZTN (Zero Trust Networks).
- Posture checking and isolation.
- Port Authorisation Authentication (802.1x) Aruba/Fortinet.
- Palo Alto Networks - Firewalls (On-prem perimeter and Cloud-based appliances).
- Secure Proxy systems - Palo Alto Prisma (or others).
- MFA (RSA SecurID or similar hard/soft token systems).
- On-prem and Cloud security principles.
- Secure-by-design methodology.
- NIST 800-171 (CMMC CUI).
Certifications:
- PCNSE - Palo Alto Certified Network Security Expert preferred (or working towards).
Benefits:
- An opportunity to work on advanced technologies in the defence sector.
- A dynamic and innovative work environment.
- Competitive salary and benefits package.
If you are an experienced network engineer looking for a challenging role within the defence sector, we would love to hear from you. Apply now to join our client's innovative team in Marlow.
