http://www.forces...Translate this page
"Canadian Department of National Defence
juridique touchant le personnel des FC – qu'elles soient de nature administrative ou disciplinaire – dans l'ensemble du spectre des carrières, ..."

je dirais

... pour maîtriser les compétences générales utiles aux différents stades d'une carrière.

"Readers will not only walk away with a much better understanding and awareness of soft skills and how they are woven throughout their careers, but also gain practical insights, strategies, tools, and techniques for learning or improving a particular soft skills area. The lessons are organized into eight chapters, each covering an aspect in which soft skills play an especially significant role: career management, getting the job done, communication, handling critics, office politics, self-promotion, dealing with differences, and leadership.
“As well, I kept hearing from managers and HR folks about employees—both those entering the workforce and those already on board—who were sorely lacking when it came to their soft skills,” notes Klaus."

Guide Meertens de la Traduction : across the political spectrum = l'ensemble de la classe politique, toutes tendances confondues...

"Techniques et outils pratiques pour maîtriser les compétences relationnelles (savoir-être) sur l'ensemble d'une carrière, tous postes confondus...( métiers ou fonctions)