Functional Application Support (FAS) Engineer Join our client in supporting mission-critical military systems within a secure, high-impact environment. This is a fantastic opportunity for an experienced 3rd Line Engineer with strong Functional Application Support (FAS) experience to work on secure systems and drive incident resolution. Role Overview Support and manage incident resolution on live, secure military systems, with escalation support from remote Level 1/2 resources. Work closely with other embedded engineers to troubleshoot and resolve issues across a range of functional applications used in military operations. Ensure technical fixes are delivered efficiently and in line with policies and procedures within a secure operational environment. Provide technical input to ongoing improvements and act as a subject matter expert in FAS applications. Key Responsibilities Ownership of incident management and resolution for FAS-related incidents. Collaborate with stakeholders and Level 1/2 support teams to ensure effective issue triage and escalation handling. Review and support installation and integration of software packages. Maintain and enforce system configurations, including OS-level firewall settings and security policies. Work as part of a tight-knit engineering team embedded in a Military operational environment. Essential Skills & Experience Demonstrable experience supporting FAS Applications, such as: NIRIS ICC JChat LOGFAS JOCWatch TOPFAS Hands-on experience reviewing documentation for software installation and integration. Operating System experience in: Windows Server 2012/2016, Windows 10 VMware, Solaris, Hyper-V RedHat/Oracle Linux, PKI, SQL, PostgreSQL Strong scripting knowledge, particularly with PowerShell. If you're passionate about technology, thrive in a secure environment, and want to make a tangible difference in operational support, this role is for you