Senior Infrastructure Engineer

<p><strong>Role: Senior Infrastructure Engineer - NetDevOps</strong><strong>Location : Newcastle (preferred), Manchester, Leeds, Birmingham, Blackpool Peel Park</strong><strong>Type : Hybrid working 3-days a week onsite IR35: inside</strong></p><p></p><p><strong>Job Description:</strong></p><p><strong>Role Overview</strong></p><ul><li>We are looking for a Senior Infrastructure Engineer (NetDevOps) to design, build, and evolve large-scale enterprise network platforms, with a strong focus on modern, automated, and cloud-integrated infrastructure.</li><li>This role is suited to a hands-on engineer, not an operations or SRE specialist. You will be expected to quickly contribute to design and delivery activities, applying engineering best practice, automation, and network expertise to support critical services.</li><li>You will work closely with Architecture, Cloud, and Engineering teams to deliver secure, scalable, and highly available network solutions, balancing immediate delivery needs with longer-term platform improvement.</li></ul><p><strong>Key Responsibilities</strong></p><ul><li> Design, implement, and enhance enterprise network infrastructure across data centre, hybrid, and cloud environments</li><li> Engineer and implement network traffic flows to support business-critical services</li><li> Build and maintain secure hybrid connectivity across Azure, AWS, and OCI</li><li> Implement and manage Palo Alto firewall policies across on-prem and cloud environments, aligned to Zero Trust principles</li><li> Design and operate high-availability network services, including routing, segmentation, and resilience</li><li> Develop and maintain network automation using tools such as Python, Ansible, and Infrastructure as Code</li><li> Collaborate with architecture and platform teams to ensure solutions align with engineering standards and strategic direction</li><li> Contribute immediately to delivery work, demonstrating the ability to operate with minimal ramp up</li><li> Document designs and changes clearly and consistently, supporting maintainability and knowledge sharing</li></ul><p><strong>Essential Technical Skills (Priority Criteria)</strong></p><p>Candidates must demonstrate strong, hands-on experience in the following areas:</p><ol><li> Enterprise Networking Engineering</li></ol><p>o Complex OSPF and BGP environments</p><p>o Designing and implementing secure, resilient traffic flows</p><p>o Strong understanding of typical enterprise and cloud network patterns</p><ol><li> Firewall and Security Technologies</li></ol><p>o Extensive experience with Palo Alto firewalls</p><p>o Policy design and implementation across data centre and cloud</p><p>o Zero Trust and secure network design principles</p><ol><li> Data Centre & Network Architecture</li></ol><p>o VXLAN / EVPN, VRF segmentation, and multi-site fabrics</p><p>o Experience with vendors such as Arista (or equivalent)</p><p>o Load balancing technologies (e.g. F5 BIG-IP: LTM / APM / ASM)</p><p><strong>Automation & NetDevOps Capability</strong></p><p>You will be expected to demonstrate a clear move away from traditional, manual networking, including:</p><ul><li> Network automation experience using Python, Ansible, or similar tooling</li><li> Infrastructure as Code mindset (e.g. Terraform)</li><li> Version control and CI/CD exposure (e.g. GitLab CI/CD)</li><li> Applying DevOps-style practices to network and infrastructure engineering</li></ul><p><strong>Cloud & Hybrid Experience</strong></p><ul><li> Strong working experience with at least one major cloud provider (Azure, AWS, or OCI)</li><li> Designing and integrating hybrid cloud network solutions</li><li> Understanding of cloud-native networking constructs and security models</li></ul><p><strong>Experience & Knowledge</strong></p><ul><li> Proven track record as a Network / Infrastructure Engineer in large-scale enterprise environments</li><li> Experience delivering engineering solutions, not just supporting operations</li><li> Comfortable working across multiple workstreams and priorities</li><li> Experience in regulated or complex environments (public sector experience beneficial but not essential)</li></ul><p><strong>Nice to Have</strong></p><ul><li> Aruba Central / ClearPass</li><li> SD WAN technologies</li><li> SaaS and cloud-delivered WLAN / WiFi solutions</li><li> Prior experience modernising legacy network environments</li></ul><p>Randstad Technologies is acting as an Employment Business in relation to this vacancy.</p><img src="https://www.jobg8.com/Tracking.aspx?HEJlsczeL0vvdhE9AmAMVpoSAptKeZH%2fk" width="0" height="0" />