Talent development can be viewed from literature as the strategic activities and programs that help staff develop and enhance superior and unique skills and competencies to accomplish high level institutional objectives. This resource is an important source of competitiveness especially if the talent is strategic in nature inimitable and rare.For this reasons it is important for a firm to appreciate the unique contributions of investing in talent development and its relationship with competitive advantage. To have the right talent on the right job at the right time defines how telecommunication firms reposition their competitive advantage. Competitive firms should therefore effectively harness the sum of a person's abilities, intrinsic gifts, skills, knowledge, experiences, intelligence, judgment, attitude, character, and drive, ability to learn and to grow potential to positively contribute to creation of an organization competitive advantage. The study sought to establish if there was a positive relationship between talent development processes and competitive advantage. The findings indicated that telecommunication firms have largely invested in talent development plans at (76%) and Talent methodologies at (62%) which are key determinants of successful talent development processes. The study therefore recommended that Telecommunication firms should adopt and implement talent development processes as key source of competitive advantage.