maintaining secure, air-gapped Linux environments (Rocky 9). Automating infrastructure using Ansible, creating and managing playbooks and offline repositories. Implementing and enforcing robust firewall policies and system hardening standards. Reviewing, validating and improving scripts generated by tools or engineers to ensure security and suitability. Supporting and maintaining C++ development … restricted environments. Solid scripting capability (Bash, Python) with the ability to review and validate generated code. Experience working with C++ environments. Deep understanding of firewall configuration, logging and monitoring within secure systems. Experience operating in air-gapped or highly controlled environments. Desirable: Experience within MOD or wider government environments. Knowledge ...