Create role for MediaConvert job in AWS

• Go to IAM dashboard.
• Go to IAM Roles.
• Click Create Role button.
• On next page select the following items
  • Select trusted entity >> Trusted entity type >> AWS service
  • Use case >> Use cases for other AWS services >> MediaConvert
    

Give the name of the job say MediaConvertJobRole in Name, review, and create section.

Following rules will be created after saving that.

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "",
            "Effect": "Allow",
            "Principal": {
                "Service": "mediaconvert.amazonaws.com"
            },
            "Action": "sts:AssumeRole"
        }
    ]
}

You need to make sure that the user who is creating the role should have the following permission/policies:

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "VisualEditor0",
            "Effect": "Allow",
            "Action": [
                "iam:GetRole",
                "iam:ListInstanceProfilesForRole",
                "iam:ListAttachedRolePolicies",
                "iam:CreateRole",
                "iam:DeleteRole",
                "iam:AttachRolePolicy",
                "iam:ListRolePolicies"
            ],
            "Resource": "arn:aws:iam::3xxxxxx:role/*"
        },
        {
            "Sid": "VisualEditor1",
            "Effect": "Allow",
            "Action": [
                "iam:ListPolicies",
                "iam:ListRoles"
            ],
            "Resource": "*"
        }
    ]
}