3rd Line is the workgroup responsible for providing specialized expert support for all requests (Incidents and Service Requests) which can be neither resolved nor fulfilled by 1st and 2nd Line support.
Responsibilities include identifying and developing Incident solutions, implementing or overseeing the implementation of solutions, documenting activities and evaluating solutions or restoration/fulfillment activities with regards to their suitability as standard procedures.
The following tasks are assigned to the role of 3rd Line support:
To be able to fulfill this role the following range of skills, experience & knowledge is required
3rd Line support usually is not available for all services. For specific, very technical requirements, however, a further specialization within the service line organization can be helpful. As with the other support Lines assignment should not be carried out on a per-person but rather on workgroup level.