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.
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