We are seeking a Senior System and Network Administrator for a leading marine energy company based on Merseyside but operating globally to its maritime clients. The company provides battery and hybrid energy solutions that are used across the maritime industry. They offer products worldwide supported by remote and on-site monitoring to ensure a first-class customer service. Senior System and Network Administrator - The Role This is a full-time permanent position working for an outstanding Company who will provide full training The successful candidate will take ownership of the company s IT infrastructure, networks, cloud environments, servers, monitoring systems, and core internal services. This is a hands-on senior role covering network architecture, network security, Linux administration, AWS infrastructure, DNS, email systems, monitoring, backup, access control, incident response, and infrastructure automation. The administrator will be expected not only to maintain existing systems, but also to improve their architecture, security, reliability, documentation, and operational efficiency. What you will do Design, operate, and improve office, production, laboratory, and remote-access network infrastructure. Define network architecture, address plans, routing, segmentation, and security boundaries. Configure and maintain switches, routers, firewalls, wireless networks, VPN gateways, and related network equipment. Implement VLANs, routing policies, firewall rules, NAT, ..... full job details .....