Sr Java Developer / Tech Lead
1. Core Java /J2EE
2. Spring
3. Hibernate
4. WebService
5. WebSphere Application Server
6. PL/SQL
Above listed 6 are the mandatory skill set
On top of that knowledge of the Flex will be Key.
Apart from that below skills or at least awareness is required.
a. basic Unix command
b. JUNIT
c. SDLC Life Cycle