Diefra is a multidisciplinary company with technical maturity and solid professional training, resulting from an entrepreneurial and proactive attitude. With an extensive portfolio of accomplishments, Diefra provides operational and technological support to public and private companies across Brazil. **Join our team!** **Responsibilities and duties:** * Monitoring expiration dates of mandatory training programs; * Organizing and archiving legal and technical documentation; mobilizing employees via portal according to contractual requirements; * Preparing and reviewing PRAs (Preliminary Risk Analyses); * Updating and managing documents for the RMP (Risk Management Program) and PCMSO (Occupational Health Surveillance Program); * Monitoring and supervising operational activities; identifying unsafe conditions and acts; * Conducting DDS (Daily Safety Discussions), campaigns, and training sessions; * Supporting incident investigations and proposing preventive improvements; * Ensuring proper use of PPEs (Personal Protective Equipment) and collective protective measures. **Requirements:** * Technical qualification in Occupational Safety. * Active registration with the Ministry of Labor and Employment (MTE); prior experience in administrative routines and fieldwork, minimum of 2 years; * Proficiency in Microsoft Office suite (especially Excel); * Preferred: experience with integrated management systems (IMS) and employee mobilization portals. * Preferred experience at USIMINAS