Current Opportunities

Front Desk Agents are responsible for greeting and registering the guest providing outstanding guest service during their stay and settling the guest's account upon completion of their stay. Primary responsibilities include: registering guests making and modifying reservations hotel operator and concierge duties. Providing attentive courteous and efficient service to all guests prior to arrival and throughout their stay while maximizing room revenue and occupancy.

The House Attendant-Night responsibilities include cleaning and maintaining the appearance of the public areas of the hotel. Responsibilities might include (as dictated by the hotel vertical): deep cleaning of assigned areas setting-up and maintaining complimentary hotel lobby functions including the coffee service and nightly concierge events cleaning and setting-up meeting room functions delivering service items to guest rooms upon requests from the front desk and driving shuttle van when needed (property specific). This role primarily works in the evenings overnight hours.

The Night Auditor is responsible for the preparation and disposition of all Night Audit work. Responsible for the front desk operation during the overnight shift (Typically 11pm-7am). Primary responsibilities include: registering guests making reservations preparing daily reports balancing transactions and conducting security walks.

The Maintenance Engineer is responsible for assisting with the operation maintenance service and repair of equipment as assigned. He/she is also responsible for participating in the preventative maintenance program handling guest requests and other work orders as assigned. He/she is also responsible for performing the job in a safe and efficient manner and performing trade jobs such as carpentry painting plumbing etc. May require driving shuttle van when needed (property specific). El personal de mantenimiento es responsable de ayudar con la operación mantenimiento servicio y reparación de los equipos asignados. Él / ella también es responsable de participar en el programa de mantenimiento preventivo manejar las solicitudes de los huéspedes y otras órdenes de trabajo asignadas. Él / ella también es responsable de realizar el trabajo de manera segura y eficiente y realizar trabajos comerciales como carpintería pintura plomería etc. Puede requerir conducir la camioneta del hotel cuando sea necesario (propiedad específica).

The Front Desk Supervisor is responsible for assisting the Front Desk Manager and/or General Manager while providing attentive courteous and efficient service to all guests prior to arrival and throughout their stay. He/she is also responsible for maximizing room revenue and occupancy.

The Sales Manager is responsible for attainment of assigned goals tied to the overall performance of the hotel. The individual will be responsible for effectively soliciting and securing new accounts. The Sales Manager will work in conjunction with the Director of Sales to achieve the hotel’s revenue and market share goals for one or more properties. The focus of sales may vary based on the respective property the associate is assigned to (i.e. Leisure Business Travel Group SMERF). Management-level associates are expected to work as much of each workday as is necessary to complete their job responsibilities; for OEM associates overtime does apply and is calculated accordingly.

As a Barista you will fill a guest services role in supporting your hotel's financial goals of the daily operation of the Starbucks facilities and/or other areas of the Food and Beverage departments. You will prepares and/or serve beverages and/or food to guests to ensure the highest quality of product and service standards to ensure guest satisfaction and maximize revenues and profitability by providing prompt and courteous food and beverage service in a fast-paced work environment.

Información disponible en español a continuación. A Housekeeper is primarily responsible for maintaining clean and attractive guest rooms hallways and public areas in the hotel servicing guest rooms daily in accordance with hotel procedures stocking cart with room supplies and replacing bed linens and replenishing guest room supplies while following company standards and safety/security procedures. In some instances this role would also be responsible for conducting ‘deep cleaning’ activities within the guest room in conjunction with preventative maintenance tasks. Recamarera tiene la responsabilidad de mantener limpias ordenadas y atractivas las habitaciones de los clientes pasillos áreas públicas del hotel limpiando los cuartos de acuerdo a los procedimientos del hotel llenar los carros con material reemplazando la línea y reabastecer el cuarto de amenidades siguiendo las normas de la empresa y los procedimientos de seguridad. En algunos casos esta función también sería responsable de realizar actividades de 'limpieza profunda' dentro de la habitación de invitados junto con tareas de mantenimiento preventivo.

Front Desk Agents are responsible for greeting and registering the guest providing outstanding guest service during their stay and settling the guest's account upon completion of their stay. Primary responsibilities include: registering guests making and modifying reservations hotel operator and concierge duties. Providing attentive courteous and efficient service to all guests prior to arrival and throughout their stay while maximizing room revenue and occupancy.

The Host person is responsible for ensuring the prompt recognition and seating of all guests in outlets as assigned and assists the servers in providing attentive courteous and efficient service to guests throughout their dining experience. He/she is also responsible for assisting the cashier in the collection of payment for all guest transactions.

The Maintenance Engineer is responsible for assisting with the operation maintenance service and repair of equipment as assigned. He/she is also responsible for participating in the preventative maintenance program handling guest requests and other work orders as assigned.  He/she is also responsible for performing the job in a safe and efficient manner and performing trade jobs such as carpentry painting plumbing etc. May require driving shuttle van when needed (property specific). $750 SIGN ON BONUS FREE DOWNTOWN PARKING

Información disponible en español a continuación. The Maintenance Engineer is responsible for assisting with the operation maintenance service and repair of equipment as assigned. He/she is also responsible for participating in the preventative maintenance program handling guest requests and other work orders as assigned.  He/she is also responsible for performing the job in a safe and efficient manner and performing trade jobs such as carpentry painting plumbing etc. May require driving shuttle van when needed (property specific). El personal de mantenimiento es responsable de ayudar con la operación mantenimiento servicio y reparación de los equipos asignados.  Él / ella también es responsable de participar en el programa de mantenimiento preventivo manejar las solicitudes de los huéspedes y otras órdenes de trabajo asignadas. Él / ella también es responsable de realizar el trabajo de manera segura y eficiente y realizar trabajos comerciales como carpintería pintura plomería etc.  Puede requerir conducir la camioneta del hotel cuando sea necesario (propiedad específica).

The Bartender is responsible for preparing food and drink orders serving beverages and meals to patrons as regulated by state and federal age requirements and coordinating lounge/bar activities.

The Front Desk Assistant Manager is responsible for assisting the Front Desk Manager with the operation of the Front Office in an attentive friendly efficient and courteous manner providing all guests with quality service prior to and throughout their stay while maximizing room revenue and occupancy. Management-level associates are expected to work as much of each workday as is necessary to complete their job responsibilities; for OEM associates overtime does apply and is calculated accordingly.

The Laundry Attendant maintains constant supply of clean linens for the hotel. Performs all stages of linen processing including collecting transporting sorting weighing loading and unloading (washers dryers and chutes) ironing folding storing and delivering) during the overnight hours. Cleans laundry machinery and laundry area.

Ensure guest satisfaction and the efficient operation of the hotel by supervising operating departments in the absence of the General Manager and/or the Manager on Duty. Assist the General Manager by continually focusing on achieving hotel profitability through revenue generation cost control guest satisfaction and development of associates. Exempt associates are expected to work as much of each workday as is necessary to complete their job responsibilities (OEM associates are required to work a minimum of 47.5 hours per work week). Exempt managers must customarily and regular direct the work of at least 3 full-time associates or their equivalents. Primary duties must consist of administrative executive or professional tasks more than 50 percent of the time and job duties must also involve the use of discretion and independent judgement more than 50 percent of the time. 

Front Desk Agents are responsible for greeting and registering the guest providing outstanding guest service during their stay and settling the guest's account upon completion of their stay. Primary responsibilities include: registering guests making and modifying reservations hotel operator and concierge duties. Providing attentive courteous and efficient service to all guests prior to arrival and throughout their stay while maximizing room revenue and occupancy.

A Housekeeper Lead will perform the same duties as a Housekeeper but also serve as the primary point of contact for questions and/or be assigned special projects. In addition to serving as a lead this role is primarily responsible for maintaining clean and attractive guest rooms hallways and public areas in the hotel servicing guest rooms daily in accordance with hotel procedures stocking cart with room supplies and replacing bed linens and replenishing guest room supplies while following company standards and safety/security procedures.

The Complimentary AM Attendant is responsible for providing the highest quality of service possible to guests in an efficient and courteous manner within the complimentary breakfast area of a hotel. In addition this individual shall be well-versed on the hotel-brand standards guest expectations and the and unique characteristics of the hotel and local area.

The Night Auditor is responsible for the preparation and disposition of all Night Audit work. Responsible for the front desk operation during the overnight shift (Typically 11pm-7am). Primary responsibilities include: registering guests making reservations preparing daily reports balancing transactions and conducting security walks.

Información disponible en español a continuación. A Housekeeper is primarily responsible for maintaining clean and attractive guest rooms hallways and public areas in the hotel servicing guest rooms daily in accordance with hotel procedures stocking cart with room supplies and replacing bed linens and replenishing guest room supplies while following company standards and safety/security procedures. In some instances this role would also be responsible for conducting ‘deep cleaning’ activities within the guest room in conjunction with preventative maintenance tasks. Recamarera tiene la responsabilidad de mantener limpias ordenadas y atractivas las habitaciones de los clientes pasillos áreas públicas del hotel limpiando los cuartos de acuerdo a los procedimientos del hotel llenar los carros con material reemplazando la línea y reabastecer el cuarto de amenidades siguiendo las normas de la empresa y los procedimientos de seguridad. En algunos casos esta función también sería responsable de realizar actividades de 'limpieza profunda' dentro de la habitación de invitados junto con tareas de mantenimiento preventivo.

The Bartender is responsible for preparing food and drink orders serving beverages and meals to patrons as regulated by state and federal age requirements and coordinating lounge/bar activities.

  The Bartender is responsible for preparing food and drink orders serving beverages and meals to patrons as regulated by state and federal age requirements and coordinating lounge/bar activities.

The Executive Kitchen Steward manages the stewarding function in all kitchen areas to promote overall cleanliness sanitation and compliance with state and local health regulations. Management-level associates are expected to work as much of each workday as is necessary to complete their job responsibilities; for OEM associates overtime does apply and is calculated accordingly. Exempt managers must customarily and regular direct the work of at least 3 full-time associates or their equivalents. Primary duties must consist of administrative executive or professional tasks more than 50 percent of the time and job duties must also involve the use of discretion and independent judgement more than 50 percent of the time. 

Información disponible en español a continuación. The Maintenance Engineer is responsible for assisting with the operation maintenance service and repair of equipment as assigned. He/she is also responsible for participating in the preventative maintenance program handling guest requests and other work orders as assigned.  He/she is also responsible for performing the job in a safe and efficient manner and performing trade jobs such as carpentry painting plumbing etc. May require driving shuttle van when needed (property specific). El personal de mantenimiento es responsable de ayudar con la operación mantenimiento servicio y reparación de los equipos asignados.  Él / ella también es responsable de participar en el programa de mantenimiento preventivo manejar las solicitudes de los huéspedes y otras órdenes de trabajo asignadas. Él / ella también es responsable de realizar el trabajo de manera segura y eficiente y realizar trabajos comerciales como carpintería pintura plomería etc.  Puede requerir conducir la camioneta del hotel cuando sea necesario (propiedad específica).

Información disponible en español a continuación. A Housekeeper is primarily responsible for maintaining clean and attractive guest rooms hallways and public areas in the hotel servicing guest rooms daily in accordance with hotel procedures stocking cart with room supplies and replacing bed linens and replenishing guest room supplies while following company standards and safety/security procedures. In some instances this role would also be responsible for conducting ‘deep cleaning’ activities within the guest room in conjunction with preventative maintenance tasks. Recamarera tiene la responsabilidad de mantener limpias ordenadas y atractivas las habitaciones de los clientes pasillos áreas públicas del hotel limpiando los cuartos de acuerdo a los procedimientos del hotel llenar los carros con material reemplazando la línea y reabastecer el cuarto de amenidades siguiendo las normas de la empresa y los procedimientos de seguridad. En algunos casos esta función también sería responsable de realizar actividades de 'limpieza profunda' dentro de la habitación de invitados junto con tareas de mantenimiento preventivo.

Información disponible en español a continuación. A Housekeeper is primarily responsible for maintaining clean and attractive guest rooms hallways and public areas in the hotel servicing guest rooms daily in accordance with hotel procedures stocking cart with room supplies and replacing bed linens and replenishing guest room supplies while following company standards and safety/security procedures. In some instances this role would also be responsible for conducting ‘deep cleaning’ activities within the guest room in conjunction with preventative maintenance tasks. Recamarera tiene la responsabilidad de mantener limpias ordenadas y atractivas las habitaciones de los clientes pasillos áreas públicas del hotel limpiando los cuartos de acuerdo a los procedimientos del hotel llenar los carros con material reemplazando la línea y reabastecer el cuarto de amenidades siguiendo las normas de la empresa y los procedimientos de seguridad. En algunos casos esta función también sería responsable de realizar actividades de 'limpieza profunda' dentro de la habitación de invitados junto con tareas de mantenimiento preventivo.

Under general supervision of the Accounts Payable Manager performs all A/P related functions in a fast-paced environment.

The House Attendant-Lobby responsibilities include cleaning and maintaining the appearance of the public areas of the hotel. Responsibilities might include (as dictated by hotel vertical): deep cleaning of assigned areas, setting-up and maintaining complimentary hotel lobby functions including the coffee service and nightly concierge events, cleaning and setting-up meeting room functions, delivering service items to guest rooms upon requests from the front desk, and driving shuttle van when needed (property specific).

The Area Sales Manager is responsible for attainment of assigned goals tied to the overall performance of a collection of 2-10 hotels. The individual will be responsible for effectively soliciting and securing new accounts for all assigned hotels. The Area Sales Manager will work in conjunction with the respective Directors of Sales/hotel leadership to achieve the revenue and market share goals for the hotels assigned. The focus of sales may vary based on the respective properties the associate is assigned to (i.e. Leisure Business Travel Group SMERF). Management-level associates are expected to work as much of each workday as is necessary to complete their job responsibilities; for OEM associates overtime does apply and is calculated accordingly.

Información disponible en español a continuación. The House Attendant responsibilities include cleaning and maintaining the appearance of the public areas of the hotel. Responsibilities might include (as dictated by hotel vertical): deep cleaning of assigned areas setting-up and maintaining complimentary hotel lobby functions including the coffee service and nightly concierge events cleaning and setting-up meeting room functions delivering service items to guest rooms upon requests from the front desk and driving shuttle van when needed (property specific). Él / la Asistente de la Casa es responsable de mantener la limpieza de los pasillos de los cuartos los elevadores y las áreas asignadas. Él / ella también es responsable de entregar artículos como maletas planchas café etc. a las habitaciones según lo dicte el vertical del hotel. También puede incluir eventos de conserjería todas las noches limpieza y configuración de las funciones de la sala de reuniones entrega de artículos de servicio a las habitaciones a solicitud de la recepción y manejo de la camioneta cuando sea necesario (propiedad específica).

Información disponible en español a continuación. The Cook II is responsible for supervising and assisting in the preparation of all food items for the Restaurant/Dining Outlet Cafe Room Service Employee Cafeteria and Banquets while maintaining the highest standards to produce an appealing and appetizing product. El asistente de cocinero es la persona responsable de supervisar y apoyar en la preparación de todos los alimentos para el restaurante / comedor cafetería servicio a cuarto cafetería para empleados y banquetes. También se asegura de mantener las normas más altas de calidad en la preparación de alimentos atractivos y apetitosos.

  A Steward is responsible for maintaining cleanliness and proper storage of all china glass and silver and ensuring the highest standards of sanitation. He/she is also responsible for assisting the kitchen staff in maintaining the cleanliness of the kitchen and all storage areas; specifically for cleaning all equipment utensils and the physical work area. He/she is also responsible for assisting with proper food storage and rotation.

Información disponible en español a continuación. The Cook II is responsible for supervising and assisting in the preparation of all food items for the Restaurant/Dining Outlet Cafe Room Service Employee Cafeteria and Banquets while maintaining the highest standards to produce an appealing and appetizing product. El asistente de cocinero es la persona responsable de supervisar y apoyar en la preparación de todos los alimentos para el restaurante / comedor cafetería servicio a cuarto cafetería para empleados y banquetes. También se asegura de mantener las normas más altas de calidad en la preparación de alimentos atractivos y apetitosos.

The Senior Sales Manager is responsible for attainment of assigned goals tied to the overall performance of the hotel. The individual will be responsible for effectively soliciting and securing new accounts. The Senior Sales Manager will work in conjunction with the Director of Sales to achieve the hotel’s revenue and market share goals for one or more properties. The focus of sales may vary based on the respective property the associate is assigned to (i.e. Leisure Business Travel Group SMERF). This role will also serve as a mentor/trainer for members of the Sales team. Management-level associates are expected to work as much of each workday as is necessary to complete their job responsibilities; for OEM associates overtime does apply and is calculated accordingly.

The Catering Coordinator is responsible for articulating and negotiating all details related to scheduled meetings/events requested at the hotel including event specifications and payment. It is the responsibility of this role to work closely with clients on details pertaining to menus set up sleeping rooms and up-sells where possible. 

The Convention Service Coordinator assists the Director of Sales & Marketing Convention Services Managers and Sales Managers in obtaining customer satisfaction by performing clerical and administrative duties relating to guest and hotel communications through the sales team as well as light selling duties to small groups and functions.

A Cook is responsible for preparing all food items based on standardized recipes for the Cafe Room Service Employee Cafeteria and Banquets while maintaining the highest standards to produce an appealing and appetizing product. He/she is also responsible for ensuring the cleanliness sanitation and safety in the kitchen and work areas while minimizing waste and maximizing cost/production ratio. The Prep Cook also is responsible for preparing cold foods and shellfish slicing meat and brewing coffee or tea.

Assist in managing the day to day operation of the Housekeeping Department and responsible for ensuring efficient operations of the Department in the absence of the Housekeeping Manager and in accordance with Aimbridge Hospitality standards. Management-level associates are expected to work as much of each workday as is necessary to complete their job responsibilities; for OEM associates overtime does apply and is calculated accordingly. Exempt managers must customarily and regular direct the work of at least 3 full-time associates or their equivalents. Primary duties must consist of administrative executive or professional tasks more than 50 percent of the time and job duties must also involve the use of discretion and independent judgement more than 50 percent of the time.  

Información disponible en español a continuación. The House Attendant responsibilities include cleaning and maintaining the appearance of the public areas of the hotel. Responsibilities might include (as dictated by hotel vertical): deep cleaning of assigned areas setting-up and maintaining complimentary hotel lobby functions including the coffee service and nightly concierge events cleaning and setting-up meeting room functions delivering service items to guest rooms upon requests from the front desk and driving shuttle van when needed (property specific). Él / la Asistente de la Casa es responsable de mantener la limpieza de los pasillos de los cuartos los elevadores y las áreas asignadas. Él / ella también es responsable de entregar artículos como maletas planchas café etc. a las habitaciones según lo dicte el vertical del hotel. También puede incluir eventos de conserjería todas las noches limpieza y configuración de las funciones de la sala de reuniones entrega de artículos de servicio a las habitaciones a solicitud de la recepción y manejo de la camioneta cuando sea necesario (propiedad específica).

The Night Auditor is responsible for the preparation and disposition of all Night Audit work. Responsible for the front desk operation during the overnight shift (Typically 11pm-7am). Primary responsibilities include: registering guests making reservations preparing daily reports balancing transactions and conducting security walks.

The Sales Manager is responsible for attainment of assigned goals tied to the overall performance of the hotel. The individual will be responsible for effectively soliciting and securing new accounts. The Sales Manager will work in conjunction with the Director of Sales to achieve the hotel’s revenue and market share goals for one or more properties. The focus of sales may vary based on the respective property the associate is assigned to (i.e. Leisure Business Travel Group SMERF). Management-level associates are expected to work as much of each workday as is necessary to complete their job responsibilities; for OEM associates overtime does apply and is calculated accordingly.

Información disponible en español a continuación. A Steward is responsible for maintaining cleanliness and proper storage of all china glass and silver and ensuring the highest standards of sanitation. He/she is also responsible for assisting the kitchen staff in maintaining the cleanliness of the kitchen and all storage areas; specifically for cleaning all equipment utensils and the physical work area.  He/she is also responsible for assisting with proper food storage and rotation. El Lavaplatos es el responsable de mantener la limpieza guardar adecuadamente la vajilla vasos y cubiertos y asegurar el más alto grado de higiene. Es responsable también de ayudar al personal de la cocina a mantener limpias todas las áreas de almacenamiento y la cocina; específicamente de limpiar todos los equipos utensilios y el área física de trabajo. Además debe ayudar a almacenar y alternar adecuadamente los alimentos.

Información disponible en español a continuación. A Housekeeper is primarily responsible for maintaining clean and attractive guest rooms hallways and public areas in the hotel servicing guest rooms daily in accordance with hotel procedures stocking cart with room supplies and replacing bed linens and replenishing guest room supplies while following company standards and safety/security procedures. In some instances this role would also be responsible for conducting ‘deep cleaning’ activities within the guest room in conjunction with preventative maintenance tasks. Recamarera tiene la responsabilidad de mantener limpias ordenadas y atractivas las habitaciones de los clientes pasillos áreas públicas del hotel limpiando los cuartos de acuerdo a los procedimientos del hotel llenar los carros con material reemplazando la línea y reabastecer el cuarto de amenidades siguiendo las normas de la empresa y los procedimientos de seguridad. En algunos casos esta función también sería responsable de realizar actividades de 'limpieza profunda' dentro de la habitación de invitados junto con tareas de mantenimiento preventivo.

Información disponible en español a continuación. The Laundry Attendant maintains constant supply of clean linens for the hotel. Performs all stages of linen processing including collecting transporting sorting weighing loading and unloading (washers dryers and chutes) ironing folding storing and delivering. Cleans laundry machinery and laundry area. El asistente de Lavandería es responsable de lavar toda la ropa de cama toallas servilletas y manteles sucios; así como de doblarlos y plancharlos. Responsable por todas las actividades de proceso de línea incluyendo colectar transportar separar pesar cargar y descargar maquinas planchado doblado almacenamiento y entrega. Mantener limpia la maquinaria y el área de lavandería.

Front Desk Agents are responsible for greeting and registering the guest providing outstanding guest service during their stay and settling the guest's account upon completion of their stay. Primary responsibilities include: registering guests making and modifying reservations hotel operator and concierge duties. Providing attentive courteous and efficient service to all guests prior to arrival and throughout their stay while maximizing room revenue and occupancy.

Join our team! The Charles Hotel, a luxury 4 diamond hotel located near Harvard Square in Cambridge, MA, is seeking a Marketing Manager to oversee all aspects of Marketing including advertising. website management, and collateral production for the hotel. The primary responsibility of the Marketing Manager is to drive interest in the hotel's products, services, and brand. 

Información disponible en español a continuación. A Housekeeper is primarily responsible for maintaining clean and attractive guest rooms hallways and public areas in the hotel servicing guest rooms daily in accordance with hotel procedures stocking cart with room supplies and replacing bed linens and replenishing guest room supplies while following company standards and safety/security procedures. In some instances this role would also be responsible for conducting ‘deep cleaning’ activities within the guest room in conjunction with preventative maintenance tasks. Recamarera tiene la responsabilidad de mantener limpias ordenadas y atractivas las habitaciones de los clientes pasillos áreas públicas del hotel limpiando los cuartos de acuerdo a los procedimientos del hotel llenar los carros con material reemplazando la línea y reabastecer el cuarto de amenidades siguiendo las normas de la empresa y los procedimientos de seguridad. En algunos casos esta función también sería responsable de realizar actividades de 'limpieza profunda' dentro de la habitación de invitados junto con tareas de mantenimiento preventivo.

Ensure guest satisfaction and the efficient operation of the hotel by supervising operating departments in the absence of the General Manager and/or the Manager on Duty. Assist the General Manager by continually focusing on achieving hotel profitability through revenue generation cost control guest satisfaction and development of associates. Exempt associates are expected to work as much of each workday as is necessary to complete their job responsibilities (OEM associates are required to work a minimum of 47.5 hours per work week). Exempt managers must customarily and regular direct the work of at least 3 full-time associates or their equivalents. Primary duties must consist of administrative executive or professional tasks more than 50 percent of the time and job duties must also involve the use of discretion and independent judgement more than 50 percent of the time. 

Información disponible en español a continuación. A Housekeeper is primarily responsible for maintaining clean and attractive guest rooms hallways and public areas in the hotel servicing guest rooms daily in accordance with hotel procedures stocking cart with room supplies and replacing bed linens and replenishing guest room supplies while following company standards and safety/security procedures. In some instances this role would also be responsible for conducting ‘deep cleaning’ activities within the guest room in conjunction with preventative maintenance tasks. Recamarera tiene la responsabilidad de mantener limpias ordenadas y atractivas las habitaciones de los clientes pasillos áreas públicas del hotel limpiando los cuartos de acuerdo a los procedimientos del hotel llenar los carros con material reemplazando la línea y reabastecer el cuarto de amenidades siguiendo las normas de la empresa y los procedimientos de seguridad. En algunos casos esta función también sería responsable de realizar actividades de 'limpieza profunda' dentro de la habitación de invitados junto con tareas de mantenimiento preventivo.