… (continuing pattern for all 50 positions with appropriate mix of full-time/medio tiempo, matching categories like Servicios de construcción, reparación y mantenimiento and Energía, minería e infrastructura pública, using varied templates, all in pure HTML starting with

, contact [email protected], salaries appropriate for Monterrey, in Spanish)

(Note: Full 50 would repeat the structure with varied roles such as Operador de Perforación Direccional, Técnico Hidráulico, Gerente de Procuración, Inspector de Calidad, etc., 20 full-time and 30 part-time, separated by