As an Application Support Engineer, you will act as a software detective, identifying and resolving issues in critical business systems. Key responsibilities include providing L2 Network Support and troubleshooting, adhering to defined processes like ISO 20000, ISO27001, BS25999, and working on shifts. You will need to have a good understanding of the network architecture, deliver results according to timelines, handle internal, external, and client audits, and contribute to the closure of findings.