Hi
You have mentioned as Sr. Software engineers. For Sr. SW engineers there are various grades and also the specific core level like experience on C, C++, Java, Oracle etc.
If need the basic competencies shall be as below
Education - BE/BTech/ME/MTech
Experience - Between 3-5 Years
Expertise on - Particular domain as Banking, CSR Medical
Knowledge - Java, C++, C, DOT Net
Communication Skills - Good
Minimum experience of atleast 2 years in any of the organisation
ETC