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Custodial Worker Supervisor

Saint Louis, MissouriFull-timeLeadPosted Oct 19, 2026

Job description

You will serve as a Custodial Worker Supervisor at Gateway Arch National Park in Saint Louis, Missouri Please visit find a park for additional park information. This is a Permanent, Full-time, Competitive appointment.

This position supervises the custodial/janitorial work in the Gateway Arch, Visitor Center, and Museum of Westward Expansion, the Old Courthouse, Dispatch Center, and the Grounds Maintenance and Ranger Station Facility. At the full performance level (WS-04) the major duties will include, but are not limited to: Coordination with the Facilities Operations Supervisor, developing and directing the overall housekeeping program, determining maintenance, personnel, supply, and safety requirements.

Preparing and developing budget utilizing formats required by management. Providing detailed costs for personal services, materials and equipment. Preparing requisitions to include detailed specifications when needed for materials, tools, services, and equipment, and tracks inventory and maintains costs records of all purchases.

Determining duties of subordinate personnel, developing Position Descriptions and Performance Standards, and counseling subordinates on performance and conduct in relation to those standards. Prepares annual performance standards for employees, provides periodic feedback, and completes annual performance reports for all.

Resolving complaints of employees if possible and within scope of knowledge. Works with Supervisor on complex issues. Independently implements minor disciplinary measures such as warnings and reprimands. Identifying training and developmental needs of employees; and providing or making provisions for such.

All qualifications must be met by the closing date of this announcement - 10/26/2026 - unless otherwise stated in this vacancy announcement. To qualify for this position, you must have sufficient knowledge and ability in the following job-related factors: Ability to Lead or Supervise (SCREEN OUT) Work Practices (including keeping things neat, clean, and in order) Ability To Use and Maintain Tools and Equipment Dexterity and Safety Ability to Interpret Instructions, Specifications, etc.

Your resume must show that you have assisted in leading a team in custodial services and motor vehicle operations including: Have had some input into the hiring of custodial employees and their performance. Performed custodial services including solid waste and recycling collection. Assisted in ensuring custodial services are performed to standards.

Given some input in establishing and adjusting work assignments and routes to ensure custodial services are provided where and when needed. Performed janitorial services including use of tools, techniques and the safe handling and storage of chemicals. Given input to maintaining an inventory of custodial supplies and safely handling, storing and transporting materials.

If your knowledge and ability in the SCREEN OUT factor above is not sufficient, you will receive no further consideration. In preparing your application, describe in detail the experience and training which you have had that specifically prepared you for this job and to perform the duties described for this job. Experience should be clearly described and documented in your resume.

Your resume must support your response to the assessment questionnaire, and if it does not, your application will be marked as not eligible. The qualifications reviewer will not assume performance of such duties by Job Titles alone. Address your knowledge, skills and/or abilities in the areas shown in the job-related factors.

You must meet at least 2 points on the screen-out element(s) and obtain an average of at least 2 points on all of the job elements to be considered qualified for this position. Volunteer Experience: Experience refers to paid and unpaid experience, including volunteer work done through National Service programs (e.g., Peace Corps, Ameri.

Corps) and other organizations (e.g., professional; philanthropic; religious; spiritual; community, student, social). Volunteer work helps build critical competencies, knowledge, and skills and can provide valuable training and experience that translates directly to paid employment. You will receive credit for all qualifying experience, including volunteer experience.

There is no substitution of education for experience for Federal Wage System (FWS) positions.

Description copied from National Park Service's careers page. Read the full posting before you apply.

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