1. A method comprising: receiving a workload plan of jobs, wherein the workload plan of jobs includes a critical job and a predecessor job, wherein the predecessor job must complete execution before the critical job can begin execution, and wherein the critical job must be completed by a deadline; monitoring execution of jobs in the workload plan; determining an ability of the critical job to complete its execution before the deadline based on an execution status of the predecessor job; and updating a risk level associated with the critical job based on the determination.