I am an MM Consultant and have learnt a bit of PP too over the years and at career crossroads right now. I want to place myself in a (latest) technology that has demand right now in US market and with increasing demand in future and also where there are not many consultants/competition so that I stand out.
Interesting question on your crossroad. APO or SRM. Well that is a tough one as they both demand a very different skill set even though they both entail processes that span from build to procure. Remember, SRM integrates with ERP, PLM and SCM seamlessly to ensure effective implementation of cross-application business processes. And APO is a sub module (Large but one of the) within the SCM umbrella.
Your skill set in MM would prepare you easily to jump into an SRM consultant especially in certain business scenarios. However, the growing nature of SRM capabilities have provided the needed skill-set development in areas for even consultants with prior MM expertise. I find that it will be easier for you to develop a skill-set in SRM vs. APO. However, a large number of consultants have entered the SAP market with SRM training in the last 2 years. So, if you want to have an upper hand in distinguishing yourself from these consultants you will have to pocket additional skill sets that are scarce in the market within SRM. Here are a couple: SRM E-Sourcing, and SRM-MDM Catalog.
Increasing number of organizations are looking for these solutions within their SRM implementation and only a handful of consultants are available with these skills. However, mere training is not what you need here -- you will have to devote additional incubation time to gain the process knowledge to truly assist organizations. Also, remember whereby MM is a primarily functional module, SRM and its components require a much deeper technology adoption even for functional consultants. My advice is to learn the core SRM (EBP) solution and these in addition.
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