Senior Infrastructure Engineer
Certain Advantage is hiring for a Senior Infrastructure Engineer based in Manchester, Blackpool, Newcastle, Leeds or Birmingham. This role is an initial contract until the end of March 2027.
Responsibilities
* Design, implement, and enhance enterprise network infrastructure across data centre, hybrid, and cloud environments.
* Engineer and implement network traffic flows to support business‑critical services.
* Build and maintain secure hybrid connectivity across Azure, AWS, and OCI.
* Implement and manage Palo Alto firewall policies across on‑prem and cloud environments, aligned to Zero Trust principles.
* Design and operate high‑availability network services, including routing, segmentation, and resilience.
* Develop and maintain network automation using tools such as Python, Ansible, and Infrastructure as Code.
* Collaborate with architecture and platform teams to ensure solutions align with engineering standards and strategic direction.
* Contribute immediately to delivery work, demonstrating the ability to operate with minimal ramp‑up.
* Document designs and changes clearly and consistently, supporting maintainability and knowledge sharing.
Qualifications
* Strong hands‑on experience in enterprise networking (OSPF, BGP, secure traffic design).
* Deep knowledge of Palo Alto firewalls and Zero Trust security principles.
* Experience with data centre technologies (VXLAN/EVPN, VRF, multi‑site fabrics, load balancing).
* Proven network automation skills (Python, Ansible, Terraform, CI/CD).
* Solid cloud and hybrid networking experience (Azure, AWS, or OCI).
* Background delivering engineering solutions in large‑scale, complex environments.
* Able to work across multiple priorities with minimal ramp‑up.
* Active SC Clearance.
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