Our client, a leading IT solutions enterprise is renowned for delivering critical services in a secure environment while championing a people-first agenda. With a strong focus on fostering community and ensuring a healthy work-life balance, they have earned positive customer feedback and continues to experience robust growth. This success enables the company to tackle both challenging and exciting projects. Based in Erskine or Newcastle, with a salary ranging £50,000 - £55,000 plus 35% shift allowance, private medical, electric vehicle scheme, option to buy additional leave and £10k bonus following DV clearance.As a valued member of the 24/7 team, the Unix/Solaris Infrastructure Engineer will provide advanced technical expertise on Solaris/AIX Servers during out-of-hours operations, ensuring high-level support service. This role is pivotal in contributing to team growth, optimising processes for efficiency, and enhancing customer satisfaction. The position involves troubleshooting, monitoring, and improving solutions, with a focus on maintaining SLAs and KPIs. Applicants must be UK sole nationals due to the nature of the work and security requirements. If you are a strong Unix or Linux Engineer, you can be trained into Solaris technology.Key Responsibilities:Deliver exceptional customer service, acting as a focal point during emergency support hours (24/7).Support disaster recovery tests across multiple virtual platforms.Address security vulnerabilities identified by the comp