Senior Linux Infrastructure Engineer with AWS and Terraform experience (L3) at Experian

We are looking for a Senior Linux Infrastructure Engineer with AWS and Terraform experience to support and evolve Linux-based infrastructure across on-premise, AWS, and hybrid environments. This role combines hands-on operational ownership of enterprise Linux platforms with the ongoing standardization and automation of infrastructure using Terraform and related tooling. You will help ensure secure, reliable, and scalable environments while contributing to the gradual reduction of manual operations and legacy platform dependencies over time. The environment includes a mix of on-premise, AWS-hosted, and hybrid infrastructure, with some legacy virtualization and operational processes still in place as our platforms continue to mature.  You will report to the respective Delivery lead. You will: • Perform L3 administration of Linux environments (Red Hat Enterprise Linux, SUSE, Amazon Linux, or equivalent)  • Automate Linux and cloud operational tasks using Shell scripting, Ansible, and Python to improve efficiency, reliability, and consistency  • Support and operate Linux workloads hosted on AWS, including compute, storage, networking, and OS-level configuration.   • Implement OS hardening and configuration compliance in collaboration with Security and Compliance teams  • Monitor system performance and availability; respond to incidents and participate in major incident (P1/P2) management and on-call rotations  • Manage system services, including systemd services, cron jobs, logging, and performance tuning  • Design, provision, and manage AWS-based Linux infrastructure using Terraform, following Infrastructure as Code best practices  • Design reusable Terraform modules to support infrastructure provisioning and standardization  • Demonstrate working awareness of VMware/vSphere environments, including provisioning concepts, snapshot usage, and basic platform-level troubleshooting, as part of supporting a hybrid infrastructure landscape  • Participate in change management, capacity planning, documentation, and continuous improvement initiatives