Puesto de Base vs Puesto de Confianza: What the Difference Actually Is

Puesto de base and puesto de confianza describe two different categories of employment within the Mexican federal government, defined by function rather than by the SPC concurso process itself. The distinction comes from labor law, principally Article 5 of the Ley Federal de los Trabajadores al Servicio del Estado and the general concept of trabajador de confianza in the Ley Federal del Trabajo, not from the Servicio Profesional de Carrera’s own stages.

What actually defines a puesto de confianza

A puesto de confianza is defined by the functions the role carries out, general duties of direction, inspection, oversight or supervision, or work tied closely to the personal responsibilities of the employer, rather than by where the post sits on an organizational chart. A person in a confianza role generally cannot unionize and can be separated from the position for loss of confidence without a right to reinstatement, in exchange for functions that carry more managerial or oversight weight.

What defines a puesto de base

A puesto de base covers personnel not classified as confianza under the applicable law or the specific legal provisions that create their category. Base personnel are typically understood to have stronger job security in the role, since they fall outside the loss-of-confidence separation that applies to confianza positions, and they generally can unionize.

Does the SPC concurso process apply to both types of plaza

The Servicio Profesional de Carrera specifically governs career civil-service posts, and the five-stage concurso structure, curriculum review, exam and skills evaluation, merit valuation, interview, determination, applies to the plazas the system covers. Whether a specific plaza being contested through TrabajaEn is classified as base or confianza is a separate question from the concurso process itself, and it is the convocatoria and the specific puesto’s classification, not the SPC stages, that determines which category a role falls into.

Why does this distinction matter to a candidate

Understanding whether a target plaza is base or confianza matters for what comes after winning the concurso, since it affects job security and unionization rights going forward, not the process of competing for the plaza itself. The general eligibility requirements under Article 21 of the LSPCAPF and what the curriculum review actually checks cover the eligibility and process side that applies regardless of a plaza’s base or confianza classification. Full background on the concurso structure is on the Servicio Profesional de Carrera exam page.

Frequently asked questions

Is base vs confianza a stage in the SPC concurso? No. It is a classification of the type of federal employment itself, defined by labor law, separate from the five concurso stages every applicant goes through.

Can a puesto de confianza unionize? Generally no. Confianza roles typically cannot unionize, given the managerial or oversight functions that define the category.

Which category has stronger job security? Puesto de base is generally understood to carry stronger job security, since confianza roles can be separated for loss of confidence without a right to reinstatement.

Does the SPC concurso process differ for base versus confianza plazas? The five-stage concurso structure applies to career civil-service posts covered by the SPC; the base or confianza classification of a specific plaza is a separate legal question from the process used to fill it.