Although employers are also responsible to keep their offers aligned with the staff's skills and experience, Stagg said if disloyal employees do not contribute after training, it will discourage other employers from providing further training.

Building soft skills

Apart from the technical skills, deteriorating communication skills is another common complaints among employers.

Lee from Towngas noted that communication skills are essential at two levels: to cooperate with fellow technicians and to understand business users' needs.

Application development in enterprise-scale projects relies on teamwork, so it's important that IT staff understand each other and communicate in a professional way to allow cooperation, noted Chih at OOCL.