Salary expectations when moving from Middleware Engineer to Senior DevOps Engineer can vary based on factors like location, experience, and company size. Generally, the shift to a Senior DevOps role comes with a salary increase due to added responsibilities and technical skills. Research typical salaries in your area and consider a moderate raise, factoring in your new expertise and the demands of the new role.
If you are interested in getting into this field, then check out this video about Sathyasivam and how he achieved a career transition from a Middleware Engineer to a Senior DevOps Engineer just after completing DevOps Architect Masters Course from Intellipaat.