"that someone may lose seniority in the job after MS" In the US, there is no such thing is seniority in the job (barring some exceptions in govt. jobs etc). Yo

"that someone may lose seniority in the job after MS" In the US, there is no such thing is seniority in the job (barring some exceptions in govt. jobs etc). You are senior based on your experience and not just because you are a fresh MS graduate but with 7+ years of experience. Hzaving said that, the answer to your question depends on what you really want to do going forward. MS in CS is a lot more than System Administration. Are you interested in software development jobs ? Web development ? I would say think twice before going for an MS which will take 2 years of your time. Based on your post, you are in/from India and I can tell you that just getting an MS will not automatically get you in a higher salary range or designation as you call it at least here in the US. Indian working culture is different than the US in that sense.