This is a guest post by Robert B. Tucker

In a time of economic disruption, unprecedented downsizings, budgetary cutbacks and the constant pressure to outsource more and more routine functions (and the employees who perform them), advice on professional survival always seems to convey the same tired message: Be visible. Don’t make enemies. Brown nose the boss. And work even harder.

In reality, you are already working hard. Simply working harder will not be enough, and may lead to a burnout. Relying solely on your functional skills and expertise will not be enough to make you difficult to replace. And your years of experience on the job may not have the cachet they once did either.

The good news is there is something you can do to take charge of your career if you’re willing to consider it. Based on research and interviews with 43 standout employees whom peers, bosses and colleagues identified as indispensable, I believe the only way to become more valuable to your organization – and have incredible job satisfaction in the process – is to focus on mastering a new set of strategic skills.…