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Rackspace Technology

Network Security Architect

Hybrid

Cardiff, United kingdom

Full Time

28-01-2026

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Skills

Communication Network Security Networking Architecture Network Architecture Recruitment Artificial Intelligence

Job Specifications

Rackspace Technology is a leading provider of expertise and managed services across all the major public and private cloud technologies. We’ve evolved Fanatical Support to encompass the entire customer journey — providing Fanatical Experience™ from first consultation to daily operations. Our passionate experts combine the power of proactive, always-on service and expertise with best-in-class tools and automation to deliver technology when and how our customers need it.

We are seeking an experienced Network Security Architect to design, implement, and optimise secure, high‑performance network infrastructures across our Sovereign Customer environments.

This role is responsible for defining network architecture standards, leading major network transformation initiatives, and ensuring the resilience and security of our switching and firewall platforms. On a regular basis, you will be expected to produce high‑quality design documentation, including HLDs, LLDs, diagrams, and standards before implementation and to be familiar with technical service design reviews for Governance.

You will work closely with security, infrastructure, and operations teams to deliver scalable network solutions that support business growth, regulatory compliance, and modern security practices.

Specific areas of expertise

Extensive experience designing and implementing enterprise‑grade firewall and switching solutions.
Strong knowledge of firewall technologies (e.g., Palo Alto, Fortinet, Cisco ASA/Firepower, Check Point).
Deep understanding of switching architectures (Cisco, Arista, Juniper, etc.).
Expertise in routing protocols (BGP, OSPF, EIGRP), network segmentation, and secure access design.
Strong understanding of network security principles, Zero Trust, and compliance frameworks.
Ability to produce high‑quality architectural documentation and diagrams.
Excellent troubleshooting, analytical, and communication skills

Required Skills (must Have)

CCNP/CCIE, PCNSE, JNCIP/JNCIE, NSE, or equivalent.
NSX Networking
Switching Architecture
BGP / OSPF / EIGRP
Zero Trust
Palo Alto
Cisco
Fortinet / Fortiweb / Fortigate
VXLAN

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We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

About the Company

Be ready for what’s next with multicloud solutions from Rackspace Technology™. We are the multicloud solutions experts. We know what you're up against because we've helped global companies across industries through it — and you can bet we're ready to help. Our team delivers results by listening to your challenges and building custom cloud services and solutions that help your business perform better now and into the future. Know more